ESG data
Environment
・For the reporting Scope, please refer to the footnotes for each data point.
・The data for FY2023 indicated with (✔) has been assured by the Independent Practitioner.
| GHG Emissions
by Scope※1,2 |
Unit | FY2021 | FY2022 | FY2023 | Third partyIndependent Practitioner's Assurance | Note |
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| Scope 1 | Thousand t-CO₂ | 12,474 | 13,521 | 13,080 | ✔ | |
| t-CH₄ | 20,905 | 10,480 | 10,943 | ✔ | ||
| t-HFC | 0.298 | 0.294 | 0.179 | ✔ | ||
| t-N₂O | 431 | 392 | 472 | ✔ | ||
| t-SF₆ | 0.002 | 0.003 | 0.004 | ✔ | ||
| Thousand t-CO₂e | 13,126 | 13,900 | 13,487 | ✔ | Total 7 GHGs (no use of PFCs, NF3) converted to carbon dioxide | |
| Scope 2 | Thousand t-CO₂ | 630 | 559 | 473 | ✔ | |
| Scope3 (Category11) | Thousand t-CO₂ | 109,191 | 123,578 | 117,297 | ✔ | Use of sold products: Calculated based on coal/natural gas production and fuel/LPG production at refineries and complexes |
| Scope 1+2 | Thousand t-CO₂ | 13,105 | 14,080 | 13,553 | ✔ | |
| Thousand t-CO₂e | 13,756 | 14,459 | 13,960 | ✔ | Total 7 GHGs (no use of PFCs, NF3) converted to carbon dioxide | |
| Scope 1+2+3 | Thousand t-CO₂ | 122,296 | 137,658 | 130,850 | ✔ | Scope3 records category11 (only Independent Practitioner’s Assurance coverage) |
| Thousand t-CO₂e | 122,947 | 138,038 | 131,257 | ✔ | Total 7 GHGs (no use of PFCs, NF3) converted to carbon dioxide |
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Historical data has been revised.
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Idemitsu, consolidated refining companies (TOA Oil Co., Ltd., Showa Yokkaichi Sekiyu Co., Ltd., Seibu Oil Co.,Ltd.) and major consolidated group companies
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Idemitsu, consolidated refining companies (TOA Oil Co., Ltd., Showa Yokkaichi Sekiyu Co., Ltd., Seibu Oil Co.,Ltd.) and major consolidated group companies
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The calculations of CO₂ emissions and reduction rates (FY2013, FY2021-2023) include Seibu Oil Co.,Ltd.. On the other hand, the calculation of GHG emissions by Scope covers consolidated refining companies, etc. as of the reporting year, so the calculations for FY2021 do not include Seibu Oil Co.,Ltd., but the calculation for FY2022 includes it from June 2022 to March 2023, after it became a consolidated group company and the calculations for FY2023 include it from April 2023 to March 2024.
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Historical data has been revised.
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Intensity Reduction Rate |
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reduction rate※ |
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Idemitsu, consolidated refining companies (TOA Oil Co., Ltd., Showa Yokkaichi Sekiyu Co., Ltd., Seibu Oil Co.,Ltd.) and major consolidated group companies
| Scope 3 emissions (Idemitsu Kosan only) | Unit | FY2022 | FY2023 | Third partyIndependent Practitioner's Assurance | Note | |
|---|---|---|---|---|---|---|
| Scope3 ※ | Category1: Purchased goods and services※1 | Thousand t-CO₂ | 15,732 | 15,504 | ✔ | |
| Category3: Fuel- and energy-related activities (not included in Scope1 or 2)※1 | Thousand t-CO₂ | 4,207 | 2,918 | ✔ | ||
| Category4: Upstream transportation and distribution | Thousand t-CO₂ | 2,648 | 2,509 | ✔ | Including those included in Scope 1 emissions | |
| Category11: Use of sold products※1 | Thousand t-CO₂ | 127,853 | 123,241 | ✔ | Use of sold products: Calculated based on the volume of coal, natural gas, fuel and LPG, etc. sold by Idemitsu Kosan Co.,Ltd. | |
| Category12: End-of-life treatment of sold products※1 | Thousand t-CO₂ | 5,791 | 5,843 | ✔ | ||
※ Calculated using AIST (The National Institute of Advanced Industrial Science and Technology) IDEA Ver. 3.2 and 3.3.
※1 Historical data has been revised.
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Historical data has been revised.
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Idemitsu Gas Production (Vietnam) Co.,Ltd.
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Ensham Resources Pty. Ltd.、Muswellbrook Coal Co., Ltd.、Boggabri Coal Pty. Ltd.
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Hokkaido Refinery, Chiba Complex (Petroleum), Aichi Complex, TOA Oil Co., Ltd., Showa Yokkaichi Sekiyu Co., Ltd., Seibu Oil Co.,Ltd.
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Chiba Complex (Chemicals), Tokuyama Complex
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(Petrochemical plant)※4 |
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Historical data has been revised.
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Idemitsu, consolidated refining companies (TOA Oil Co., Ltd., Showa Yokkaichi Sekiyu Co., Ltd., Seibu Oil Co.,Ltd.) and major consolidated group companies
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Hokkaido Refinery, Chiba Complex (Petroleum), Aichi Complex, TOA Oil Co., Ltd., Showa Yokkaichi Sekiyu Co., Ltd., Seibu Oil Co.,Ltd.
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Chiba Complex (Chemicals), Tokuyama Complex
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(1.Industrial water intake: 85,178; 2.Industrial water use: 1,462,560; 3.Industrial water recycling: 1,377,383, Water recycling rate=3/2) ※2=1+3 |
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Historical data has been revised.
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Idemitsu, consolidated refining companies (TOA Oil Co., Ltd., Showa Yokkaichi Sekiyu Co., Ltd., Seibu Oil Co.,Ltd.) and major consolidated group companies
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Historical data has been revised.
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Idemitsu Gas Production (Vietnam) Co.,Ltd.
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Ensham Resources Pty. Ltd.、Muswellbrook Coal Co., Ltd.、Boggabri Coal Pty. Ltd.
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Hokkaido Refinery, Chiba Complex (Petroleum), Aichi Complex, TOA Oil Co., Ltd., Showa Yokkaichi Sekiyu Co., Ltd., Seibu Oil Co.,Ltd.
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Chiba Complex (Chemicals), Tokuyama Complex
| Water Pollution Effects | Unit | FY2021 | FY2022 | FY2023 | Third partyIndependent Practitioner's Assurance | Note |
|---|---|---|---|---|---|---|
| COD ※1 | t | 205 | 206 | 198 | ✔ | Laws: Water Pollution Control Law |
| Total nitrogen※2 | t | 211 | 251 | 222 | ✔ | |
| Total phosphorus※2 | t | 3.6 | 4.2 | 3.9 | ✔ |
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Hokkaido Refinery, Chiba Complex, Aichi Complex, Tokuyama Complex, TOA Oil Co., Ltd., Showa Yokkaichi Sekiyu Co., Ltd., Seibu Oil Co.,Ltd. and major consolidated group companies
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Chiba Complex, Aichi Complex, Tokuyama Complex, TOA Oil Co., Ltd., Showa Yokkaichi Sekiyu Co., Ltd., Seibu Oil Co.,Ltd. and major consolidated group companies
| Air Pollutant Emissions※2 | Unit | FY2021 | FY2022 | FY2023 | Third partyIndependent Practitioner's Assurance | Note |
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| SOx *1 | t | 8,263 | 10,660 | 10,047 | ✔ | Laws: Air Pollution Control Act |
| NOx *1 | t | 19,719 | 19,981 | 21,822 | ✔ | |
| Soot/dust | t | 194 | 257 | 240 | ✔ | |
| VOC | t | 6,265 | 7,235 | 6,474 | ✔ |
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Historical data has been revised.
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Hokkaido Refinery, Chiba Complex, Aichi Complex, Tokuyama Complex, TOA Oil Co., Ltd., Showa Yokkaichi Sekiyu Co., Ltd., Seibu Oil Co.,Ltd. and major consolidated group companies
| Waste※ | Unit | FY2021 | FY2022 | FY2023 | Third partyIndependent Practitioner's Assurance | Note |
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| Total waste | t | 236,263 | 225,375 | 242,238 | ✔ | Total amount of industrial waste and specially controlled industrial waste Laws: Waste Management and Public Cleansing Law |
| Reduced by intermediate treatment | t | 86,197 | 82,554 | 85,399 | ✔ | |
| Recycled | t | 113,599 | 106,908 | 115,369 | ✔ | |
| Final disposal | t | 82 | 25 | 1,915 | ✔ | |
| Final disposal rate | % | 0.035 | 0.011 | 0.791 | ✔ |
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Hokkaido Refinery, Chiba Complex, Aichi Complex, Tokuyama Complex, TOA Oil Co., Ltd., Showa Yokkaichi Sekiyu Co., Ltd., Seibu Oil Co.,Ltd.
| Hazardous Waste※ | Unit | FY2021 | FY2022 | FY2023 | Third partyIndependent Practitioner's Assurance | Note |
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| Total waste | t | 7,978 | 6,970 | 14,274 | Specially controlled industrial waste is defined as hazardous waste Related laws and regulations: Waste treatment and cleaning laws |
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| Reduced by intermediate treatment | t | 3,318 | 1,693 | 2,409 | ||
| Recycled | t | 4,651 | 5,277 | 10,032 | ||
| Final disposal | t | 9 | 0 | 1,833 | ||
| Final disposal rate | % | 0.108 | 0.000 | 12.842 |
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Hokkaido Refinery, Chiba Complex, Aichi Complex, Tokuyama Complex, TOA Oil Co., Ltd., Showa Yokkaichi Sekiyu Co., Ltd., Seibu Oil Co.,Ltd.
| Non-Hazardous Waste※ | Unit | FY2021 | FY2022 | FY2023 | Third partyIndependent Practitioner's Assurance | Note |
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| Total waste | t | 228,989 | 218,405 | 227,964 | Defining industrial waste as non-hazardous waste Related laws and regulations: Waste treatment and cleaning laws |
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| Reduced by intermediate treatment | t | 102,173 | 80,861 | 82,990 | ||
| Recycled | t | 123,903 | 101,632 | 105,337 | ||
| Final disposal | t | 73 | 25 | 82 | ||
| Final disposal rate | % | 0.032 | 0.011 | 0.036 |
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Hokkaido Refinery, Chiba Complex, Aichi Complex, Tokuyama Complex, TOA Oil Co., Ltd., Showa Yokkaichi Sekiyu Co., Ltd., Seibu Oil Co.,Ltd.
| CFC Leakage* | Unit | FY2021 | FY2022 | FY2023 | Third partyIndependent Practitioner's Assurance | Note |
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| t | 0.5 | 0.3 | 1.2 | Fidures based on Fluorocarbon calculation report of Law Concerningthe Discharge and Control of Fluorocarbons | ||
| t-CO2e | 1,097 | 586 | 2,057 |
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Hokkaido Refinery, Chiba Complex, Aichi Complex, Tokuyama Complex, Lubricants Research Laboratory, Advanced Technology Research Laboratories, Performance Materials Laboratories, Narita hydrogen station, Hakodate oil terminal, Niigata Petroleum Import Terminal
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Idemitsu Kosan and major affiliated companies
| ISO14001（環境 マネジメントシステム） 取得状況Acquisition Status of ISO 14001 (Environmental Management Systems) |
Unit | As of June 30, 2022 |
As of June 30, 2023 |
As of June 30, 2024 |
Third partyIndependent Practitioner's Assurance | Note |
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| Domestic business sites | Number of certifications | 19 | 17 | 29 | More than 94% of the Idemitsu Group’s CO2 emissions are from sites that have acquired ISO 14001 certificates. | |
| Overseas business sites | Number of certifications | 13 | 13 |
Each Refineries/Complexes
Each Refineries/Complexes
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The figure for energy consumption (crude oil equivalent) is calculated by subtracting the amount of by-product energy sold.
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Unit energy consumption = Crude oil equivalent (L) / Atmospheric distillation equipment converted throughput (kL)
| Chiba Complex | Unit | FY2021 | FY2022 | FY2023 |
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| Crude oil throughput | Thousand kL | 9,321 | 10,660 | 9,083 |
| Petrochemical product manufacturing (Ethylene equivalent) | Thousand tons | 1,834 | 1,874 | 1,423 |
| Energy consumption (crude oil equivalent) | Thousand kL *1 | 1,388 | 1,473 | 1,247 |
| Unit energy consumption | kL/Thousand kL *2 | 9.03 | 8.83 | 9.18 |
| kL/t *3 | 0.33 | 0.32 | 0.35 | |
| Seawater | Thousand tons | 436,446 | 456,730 | 396,939 |
| Industrial water | Thousand tons | 19,886 | 19,889 | 19,136 |
| Tap water | Thousand tons | - | - | - |
| Underground water | Thousand tons | 402 | 343 | 329 |
| CO2 emissions | Thousand t-CO₂ | 3,348 | 3,563 | 3,069 |
| SOx emissions | t | 3,080 | 3,672 | 2,715 |
| NOx emissions | t | 2,270 | 2,524 | 2,128 |
| Soot/dust | t | 94 | 122 | 88 |
| Wastewater | Thousand kL | 455,318 | 475,913 | 415,335 |
| COD | t | 38 | 38 | 35 |
| Total nitrogen | t | 68 | 65 | 65 |
| Total phosphorus | t | 0.5 | 0.3 | 0.3 |
| Total waste | t | 89,501 | 77,105 | 84,807 |
| Reduced by intermediate treatment | t | 3,692 | 1,720 | 4,729 |
| Recycled | t | 52,206 | 41,864 | 43,431 |
| Final disposal | t | 13 | 5 | 6 |
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The figure for energy consumption (crude oil equivalent) is calculated by subtracting the amount of by-product energy sold.
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Unit energy consumption = Crude oil equivalent (L) / Atmospheric distillation equipment converted throughput (kL)
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Unit energy consumption = Crude oil equivalent (L) / Ethylene equivalent production (t)
| Aichi Complex | Unit | FY2021 | FY2022 | FY2023 |
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| Crude oil throughput | Thousand kL | 5,740 | 7,879 | 7,362 |
| Energy consumption (crude oil equivalent) | Thousand kL *1 | 547 | 702 | 744 |
| Unit energy consumption | kL/Thousand kL *2 | 9.17 | 9.56 | 9.94 |
| Seawater | Thousand tons | 198,874 | 237,441 | 242,017 |
| Industrial water | Thousand tons | 11,978 | 13,629 | 15,462 |
| Tap water | Thousand tons | 189 | 165 | 174 |
| Underground water | Thousand tons | - | - | - |
| CO2 emissions | Thousand t-CO₂ | 1,528 | 1,910 | 2,040 |
| SOx emissions | t | 504 | 736 | 940 |
| NOx emissions | t | 1,061 | 1,362 | 1,445 |
| Soot/dust | t | 37 | 50 | 49 |
| Wastewater | Thousand kL | 211,041 | 251,235 | 257,652 |
| COD | t | 8 | 10 | 16 |
| Total nitrogen | t | 12 | 10 | 18 |
| Total phosphorus | t | 1.1 | 1.2 | 1.0 |
| Total waste | t | 78,586 | 68,666 | 66,869 |
| Reduced by intermediate treatment | t | 50,159 | 45,396 | 43,249 |
| Recycled | t | 26,716 | 21,988 | 22,036 |
| Final disposal | t | 67 | 17 | 65 |
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The figure for energy consumption (crude oil equivalent) is calculated by subtracting the amount of by-product energy sold.
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Unit energy consumption = Crude oil equivalent (L) / Atmospheric distillation equipment converted throughput (kL)
| Tokuyama Complex | Unit | FY2021 | FY2022 | FY2023 |
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| Petrochemical product manufacturing (Ethylene equivalent) | Thousand tons | 1,796 | 1,523 | 1,714 |
| Energy consumption (crude oil equivalent) | Thousand kL *1 | 904 | 861 | 941 |
| Unit energy consumption | kL/t *2 | 0.50 | 0.57 | 0.55 |
| Seawater | Thousand tons | 426,763 | 396,776 | 424,998 |
| Industrial water | Thousand tons | 11,308 | 10,159 | 5,698 |
| Tap water | Thousand tons | 191 | 202 | 195 |
| Underground water | Thousand tons | - | - | - |
| CO2 emissions | Thousand t-CO₂ | 1,985 | 1,792 | 1,924 |
| SOx emissions | t | 862 | 812 | 829 |
| NOx emissions | t | 1,589 | 1,492 | 1,691 |
| Soot/dust | t | 13 | 14 | 17 |
| Wastewater | Thousand kL | 438,261 | 406,139 | 430,888 |
| COD | t | 20 | 16 | 16 |
| Total nitrogen | t | 16 | 14 | 16 |
| Total phosphorus | t | 0.4 | 0.5 | 0.7 |
| Total waste | t | 30,501 | 28,405 | 37,535 |
| Reduced by intermediate treatment | t | 20,487 | 17,782 | 18,478 |
| Recycled | t | 9,968 | 10,623 | 17,224 |
| Final disposal | t | 0 | 0 | 1,833 |
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The figure for energy consumption (crude oil equivalent) is calculated by subtracting the amount of by-product energy sold.
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Unit energy consumption = Crude oil equivalent (L) / Ethylene equivalent production (t)
Discharge and Transfer of PRTR-Designated Substances in FY2023
| PRTR-No. |
CAS No. |
Substance name | Unit | 合計 / 排出量－ 大気への排出 （標準単位） Total / Discharged amount – Emissions to atmosphere (standard emission intensity) |
合計 / 排出量－ 公共用水域への排出 （標準単位） Total/Discharged amount – Emissions to public water bodies (standard emission intensity) |
合計 / 排出量－ 土壌への排出 （標準単位） Total/Discharged amount – Emissions to soil (standard emission intensity) |
合計 / 移動量－ 廃棄物 （標準単位） Total/Transferred amount – Disposed amount (standard emission intensity) |
Total |
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| 1 | - | Water-soluble compounds of zinc | t | 0.0 | 1.4 | 0.0 | 0.0 | 1.4 |
| 20 | 141-43-5 | 2-aminoethanol | t | 0.0 | 0.0 | 0.0 | 51.2 | 51.2 |
| 33 | 1332-21-4 | Asbestos | t | 0.0 | 0.0 | 0.0 | 3.3 | 3.3 |
| 53 | 100-41-4 | Ethylbenzene | t | 9.4 | 0.0 | 0.0 | 2.4 | 11.8 |
| 80 | 1330-20-7 | Xylene (also known as dimethylbenzene) |
t | 26.8 | 0.1 | 0.0 | 3.2 | 30.1 |
| 104 | 75-45-6 | Chlorodifluoromethane (HCFC-22) |
t | 1.0 | 0.0 | 0.0 | 0.0 | 1.0 |
| 186 | 75-09-2 | Dichloromethane (also known as methylene chloride) |
t | 0.2 | 0.0 | 0.0 | 15.2 | 15.4 |
| 190 | 77-73-6 | Dicyclopentadiene | t | 0.3 | 0.0 | 0.0 | 0.0 | 0.3 |
| 219 | 624-92-0 | Dimethyl disulfide | t | 0.0 | 0.0 | 0.0 | 0.2 | 0.2 |
| 232 | 68-12-2 | N,N-dimethylformamide | t | 0.0 | 0.0 | 0.0 | 5.0 | 5.0 |
| 238 | 61788-32-7 | Hydrogenated terphenyl | t | 0.0 | 0.0 | 0.0 | 2.0 | 2.0 |
| 240 | 100-42-5 | Styrene | t | 18.8 | 0.0 | 0.0 | 0.2 | 19.0 |
| 243 | - | Dioxins | mg-TEQ | 0.0 | 1.1 | 0.0 | 0.0 | 1.1 |
| 260 | 1897-45-6 | 2,4,5,6-tetrachloroisophthalonitrile (also known as chlorothalonil or TPN) |
t | 0.0 | 0.0 | 0.0 | 25.0 | 25.0 |
| 300 | 108-88-3 | Toluene (also known as methylbenzene) |
t | 103.2 | 0.0 | 0.0 | 19.2 | 122.4 |
| 302 | 91-20-3 | Naphthalene | t | 0.1 | 0.0 | 0.0 | 1.7 | 1.8 |
| 349 | 108-95-2 | Phenol | t | 0.2 | 0.0 | 0.0 | 2.0 | 2.2 |
| 389 | 112-02-7 | Hexadecyltrimethylammonium chloride | t | 0.0 | 10.6 | 0.0 | 0.0 | 10.6 |
| 392 | 110-54-3 | N-hexane | t | 239.1 | 0.0 | 0.0 | 9.4 | 248.5 |
| 400 | 71-43-2 | Benzene | t | 24.5 | 0.0 | 0.0 | 0.0 | 24.6 |
| 412 | - | Manganese and its compounds | t | 0.0 | 0.0 | 0.0 | 9.9 | 9.9 |
| 629 | 110-82-7 | Cyclohexane | t | 3.3 | 0.0 | 0.0 | 48.1 | 51.4 |
| 674 | - | Tetrahydrofuran | t | 0.0 | 0.0 | 0.0 | 1.8 | 1.8 |
| 691 | - | Trimethylbenzene t | t | 3.9 | 0.0 | 0.0 | 0.3 | 4.1 |
| 721 | 98-01-1 | Furfural | t | 0.0 | 0.0 | 0.0 | 2.0 | 2.0 |
| 731 | 142-82-5 | Heptane | t | 21.4 | 0.0 | 0.0 | 3.7 | 25.1 |
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Scope of Reporting: Idemitsu, consolidated refining companies (TOA Oil Co., Ltd., Showa Yokkaichi Sekiyu Co., Ltd., Seibu Oil Co.,Ltd.) and major consolidated group companies
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Chemicals are not listed if the total volume of discharge and transfer is less than 0.1 ton per year.
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Figures presented above may not be consistent with the totals since they are rounded off to one decimal place.
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PRTR: Act on the Assessment of Releases of Specified Chemical Substances in the Environment and the Promotion of Management Improvement
Society
・The scope of data is Idemitsu Kosan non-consolidated. However, the reporting scope of some data point differs from the others. For details, please refer to the notes for each data point.
・The data for FY2023 indicated with (✔) has been assured by the Independent Practitioner.
| Status of Employees ※As of March 31, 2024 |
Unit | FY2021 | FY2022 | FY2023 | Third partyIndependent Practitioner's Assurance | Note | ||
|---|---|---|---|---|---|---|---|---|
| Number of employees (combined number of members and employees in managerial positions) | People | 5,112 | 4,981 | 4,960 | ✔ | [Scope of Reporting] Idemitsu hires (employees, seniors, full-time contract employees, and advisors) Excluding employees seconded to other companies |
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| Men | People | 4,460 | 4,316 | 4,256 | ✔ | |||
| Women | People | 652 | 665 | 704 | ✔ | |||
| Percentage of women | % | 12.8 | 13.4 | 14.2 | ✔ | |||
| Foreign nationality | People | 41 | 36 | 29 | ||||
| Percentage of foreign nationals | % | 0.8 | 0.7 | 0.6 | ||||
| Senior (over 60 years old) |
People | 634 | 433 | 595 | ||||
| Senior (Over 65 years old) |
People | 112 | 160 | 144 | ||||
| Number of members | People | 4,137 | 4,029 | 3,777 | [Scope of Reporting] Idemitsu hires (employees) Excluding employees seconded to other companies |
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| Men | People | 3,510 | 3,397 | 3,177 | ||||
| Women | People | 627 | 632 | 600 | ||||
| Percentage of women | % | 15.2 | 15.7 | 15.9 | ||||
| Number of employees in managerial positions (managers, general managers) |
People | 975 | 952 | 924 | ✔ | [Scope of Reporting] Idemitsu hires (employees, seniors, full-time contract employees, and advisors) Excluding employees seconded to other companies |
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| Men | People | 950 | 919 | 883 | ✔ | |||
| Women | People | 25 | 33 | 41 | ✔ | |||
| Percentage of women | % | 2.6 | 3.5 | 4.4 | ✔ | |||
| Of the numbers of employees in managerial positions, higher posts than general manager | People | 39 | 44 | 48 | ||||
| Men | People | 37 | 41 | 43 | ||||
| Women | People | 2 | 3 | 5 | ||||
| Percentage of women | % | 5.1 | 6.8 | 10.4 | ||||
| Of the numbers of employees in managerial positions, lower posts than deputy general manager | People | 935 | 908 | 876 | ||||
| Men | People | 912 | 878 | 840 | ||||
| Women | People | 23 | 30 | 36 | ||||
| Percentage of women | % | 2.5 | 3.3 | 4.1 | ||||
| Average age | age | 42.1 | 42.2 | 41.6 | ✔ | [Scope of Reporting] Idemitsu hires (employees) Excluding employees seconded to other companies |
||
| Men | age | 42.4 | 42.5 | 41.8 | ✔ | |||
| Women | age | 40.1 | 40.5 | 40.7 | ✔ | |||
| Average years employed | Year | 18.6 | 18.5 | 18.0 | ✔ | |||
| Men | Year | 19.0 | 18.9 | 18.3 | ✔ | |||
| Women | Year | 16.1 | 16.1 | 16.6 | ✔ | |||
| Average wage |
Basic wages received by men | Management-level employees | yen/month | 691,727 | 688,951 | 693,770 | [Aggregation target] Idemitsu Kosan employment (employee, senior, full-time contract, advisor) |
|
| Staff members | yen/month | 371,354 | 342,687 | 354,626 | ||||
| Bonuses received by men | Management-level employees | yen/year | 4,131,412 | 5,201,780 | 5,387,778 | |||
| Staff members | yen/year | 2,048,839 | 2,401,878 | 2,592,877 | ||||
| Basic wages received by women | Management-level employees | yen/month | 676,088 | 664,407 | 664,054 | |||
| Staff members | yen/month | 334,948 | 319,638 | 331,811 | ||||
| Bonuses received by women | Management-level employees | yen/year | 4,302,342 | 4,699,277 | 4,738,437 | |||
| Staff members | yen/year | 1,827,210 | 1,995,833 | 2,194,812 | ||||
| Average salary (The average of the total monthly salary and bonus) | yen/year | - | - | 9,800,598 | [Scope of Reporting] Idemitsu hires (employees, seniors, advisors) Excluding employees seconded to other companies, and employees seconded from other companies |
|||
| Average gender salary gap | ％ | - | - | 73.4 | Average gender salary gap: The difference between the average salary of male full-pay relevant employees and female full-pay relevant employees. ※The gender gap in salary is not considered to stem from the remuneration structures or systems, but rather from factors such as disparities in the grade system. There is no disparity in the remuneration system based on gender, gender identity, or other personal attributes. The observed salary differences are due to variations in the composition of employees by grade. We will work towards ensuring diversity at management levels that is not influenced by characteristics such as gender. |
|||
| Status of employees with disabilities ※As of June 1, 2024 |
Percentage | % | 2.35 | 2.50 | 2.55 | ✔ | [Scope of Reporting] Scope of Reporting: Idemitsu hires (employees, seniors, full-time contract employees, and advisors) Including employees seconded to other companies, but excluding employees seconded from other companies Based on the calculation method of the Ministry of Health, Labour and Welfare |
|
| Number | People | 124 | 125 | 127 | ||||
| Number of employees (Consolidated) | People | 14,209 | 14,363 | 13,991 | [Scope of Reporting] Idemitsu and consolidated subsidiaries (FY2021: 62 companies, FY2022: 63 companies,FY2023: 58 companies) |
|||
| Turnover rate (Including honorable retreat) | % | 3.97 | 4.22 | 4.50 | [Scope of Reporting] Idemitsu hires (employees, seniors, full-time contract employees, and advisors) Excluding employees seconded to other companies |
|||
| Voluntary retirement rate | % | 2.13 | 2.29 | 2.22 | ||||
| New graduate retention rate (Average for newly hired employees between 2019 and 2021) |
% | 89.6 | 89.3 | 88.6 | ✔ | [Scope of Reporting] Results are from Idemitsu's direct hires Retention rate: Average rate of three-year retention of new graduates in the relevant fiscal years Turnover rate: Average rate of new graduates within three years of employment in the relevant fiscal year |
||
| Turnover rate of new graduates (Average for newly hired employees between 2019 and 2021) |
% | 7.9 | 10.0 | 10.6 | ✔ | |||
| Status of Recruitment | Unit | FY2021 | FY2022 | FY2023 | Third partyIndependent Practitioner's Assurance | Note | |
|---|---|---|---|---|---|---|---|
| Recruitment of new graduates
※Hired in April 2024 |
People | 131 | 87 | 101 | ✔ | [Scope of Reporting] Results are from Idemitsu's direct hires Data in parentheses FY2022 and FY2023 are for college graduates or higher. |
|
| (48) | (63) | ✔ | |||||
| Men | People | 107 | 70 | 72 | ✔ | ||
| (32) | (38) | ✔ | |||||
| Women | People | 24 | 17 | 29 | ✔ | ||
| (16) | (twenty five) | ✔ | |||||
| Percentage of women | % | 18.3 | 19.5 | 28.7 | ✔ | ||
| (33.3) | (39.7) | ✔ | |||||
| Foreign nationality | People | 1 | 1 | 0 | ✔ | ||
| (1) | (0) | ✔ | |||||
| Percentage of foreign nationals | % | 0.8 | 1.1 | 0 | ✔ | ||
| (2.1) | (0.0) | ✔ | |||||
| Career recruitment ※Hired in FY2023 |
People | 62 | 33 | 51 | ✔ | [Scope of Reporting] Idemitsu Kosan's direct employment records for hires made between April 1 and March 31 |
|
| Women | People | - | - | 28 | |||
| Percentage of women | % | - | - | 54.9 | |||
| Female hiring ratio | Percentage of women | % | 18.0 | 39.5 | 47.3 | ✔ | [Scope of Reporting] Results are from Idemitsu’s direct hires college graduates or higher (Recruitment of new graduates, and Career) between April 1 and March 31. |
| Work-Life Balance Support Systems and Usage Numbers | Unit | FY2021 | FY2022 | FY2023 | Third partyIndependent Practitioner's Assurance | Note | |
|---|---|---|---|---|---|---|---|
| Maternity leave | Women | People | 30 | 31 | 26 | ✔ | [Scope of Reporting] Idemitsu hires (employees, including employees seconded to other companies) ※By law, only the Men's childcare leave acquisition rate is required to be disclosed. In our company, we also calculate the childcare leave acquisition rate using the same approach as for Women's childcare leave. For women, there may be instances where the fiscal year of childbirth and the fiscal year in which childcare leave is taken do not align, leading to situations where the acquisition rate exceeds 100% when using the statutory calculation formula. |
| Childcare leave | People | 108 | 168 | 198 | ✔ | ||
| Men | People | 49 | 142 | 176 | ✔ | ||
| Women | People | 59 | 26 | 22 | ✔ | ||
| Rate of employees taking childcare leave※ | % | - | 86 | 94 | ✔ | ||
| Men | % | - | 84 | 93 | ✔ | ||
| Women | % | - | 96 | 110 | ✔ | ||
| Rate of employees returning to work after childcare leave | % | - | 100 | 100 | ✔ | ||
| Men | % | - | 100 | 100 | ✔ | ||
| Women | % | 100 | 100 | 100 | ✔ | ||
| Nursing care leave | People | 5 | 8 | 7 | ✔ | ||
| Men | People | 3 | 7 | 4 | ✔ | ||
| Women | People | 2 | 1 | 3 | ✔ | ||
| Reduced working hours for parenting | People | 62 | 50 | 61 | ✔ | ||
| Men | People | 0 | 3 | 4 | ✔ | ||
| Women | People | 62 | 47 | 57 | ✔ | ||
| Leave to care for sick/injured child | People | 226 | 228 | 257 | ✔ | ||
| Men | People | 133 | 121 | 137 | ✔ | ||
| Women | People | 93 | 107 | 120 | ✔ | ||
| Family care leave | People | 43 | 56 | 84 | ✔ | ||
| Men | People | 35 | 44 | 69 | ✔ | ||
| Women | People | 8 | 12 | 15 | ✔ | ||
| Telecommuting | People | 4,581 | 4,592 | 4,213 | ✔ | ||
| Men | People | 3,976 | 4,033 | 3,585 | ✔ | ||
| Women | People | 605 | 559 | 628 | ✔ | ||
| Self-development leave of absence | People | 0 | 3 | 4 | ✔ | ||
| Men | People | 0 | 1 | 2 | ✔ | ||
| Women | People | 0 | 2 | 2 | ✔ | ||
| Volunteer leave of absence | People | 0 | 0 | 0 | |||
| Men | People | 0 | 0 | 0 | |||
| Women | People | 0 | 0 | 0 | |||
| Cessation from work by employees whose spouses are transferred to countries abroad | People | 8 | 10 | 8 | |||
| Men | People | 0 | 0 | 0 | |||
| Women | People | 8 | 10 | 8 | |||
|
時間外勤務、 年次有給休暇取得実績 Overtime Work and Annual Paid Leave | Unit | FY2021 | FY2022 | FY2023 | Third partyIndependent Practitioner's Assurance | Note |
|---|---|---|---|---|---|---|
| Average overtime work hours per employee | hours/month | 20.8 | 20.5 | 20.1 | ✔ | [Scope of Reporting] Idemitsu hires (employees) Excluding employees on leave and seconded employees Results of overtime work is excluding employees in managerial positions |
| Average annual paid leave taken by an employee | Days | 15.3 | 16.9 | 17.5 | ✔ | |
| Average usage rate of annual paid leave per employee | % | 75.3 | 83.0 | 85.4 | ✔ |
| Training Results | Unit | FY2021 | FY2022 | FY2023 | Third partyIndependent Practitioner's Assurance | Note | |
|---|---|---|---|---|---|---|---|
| Training hours | Total | hours | 81,653 | 74,722 | 68,252 | ✔ | [Scope of Reporting] Results for Idemitsu non-consolidated from training organized by the Human Resources Department |
| Per person | hours | 15.6 | 12.8 | 11.8 | ✔ | ||
| Amount of investment in training | Total | Thousand yen | 235,400 | 247,810 | 299,138 | ✔ | |
| Per person | Thousand yen | 45 | 43 | 52 | ✔ | ||
| Occupational Accident Results | Unit | FY2021 | FY2022 | FY2023 | Third partyIndependent Practitioner's Assurance | Note | |
|---|---|---|---|---|---|---|---|
| Fatalities due to occupational accidents | Employee | People | 0 | 0 | 0 | ✔ | [Scope of Reporting] Hokkaido Refinery, Chiba Complex (Including Prime Polymer Co., Ltd. Anesaki Works), Aichi Complex, Tokuyama Complex, TOA Oil Co., Ltd., Showa Yokkaichi Sekiyu Co., Ltd., Seibu Oil Co., Ltd. ※Until FY2021, Chiba Complex includes BASF Idemitsu Co., Ltd.. ■ Employees: Including employee of group refinery companies listed above ■ Employee of partner companies: Including employees of Idemitsu Plantec Group [Reporting period] From January to December [Calculation Method] Frequency rate= (Number of casualties due to occupational accidents/hours of actual work) ×1,000,000 Severity rate= (Number of lost working days/hours of actual work) ×1,000 TRIFR= (Number of overall occupational accidents/hours of actual work)×1,000,000 LTIFR= (Number of accidents resulting in lost work days/hours of actual work)×1,000,000 |
| Employees of partner companies | People | 1 | 0 | 0 | ✔ | ||
| Fatal accidents | Employee | Cases | 0 | 0 | 0 | ||
| Employees of partner companies | Cases | 1 | 0 | 0 | |||
| Accidents resulting in lost time injuries | Employee | Cases | 5 | 1 | 4 | ||
| Employees of partner companies | Cases | 6 | 5 | 12 | |||
| Accidents not resulting in lost time injuries | Employee | Cases | 12 | 10 | 5 | ||
| Employees of partner companies | Cases | 29 | 24 | 24 | |||
| Frequency rate | Employee | - | 0.74 | 0.15 | 0.60 | ✔ | |
| Employees of partner companies | - | 0.41 | 0.46 | 0.98 | ✔ | ||
| Severity rate | Employee | - | 0.01 | 0.00 | 0.01 | ✔ | |
| Employees of partner companies | - | 0.52 | 0.02 | 0.04 | ✔ | ||
| TRIFR (Total Recordable Injury Frequency Rate) |
Employee | - | 2.51 | 1.62 | 1.35 | ✔ | |
| Employees of partner companies | - | 2.41 | 2.66 | 2.72 | ✔ | ||
| LTIFR (Lost Time Incident Frequency Rate) |
Employee | - | 0.74 | 0.15 | 0.60 | ✔ | |
| Employees of partner companies | - | 0.41 | 0.46 | 0.98 | ✔ | ||
| Process Safety Accident Results | Unit | FY2021 | FY2022 | FY2023 | Third partyIndependent Practitioner's Assurance | Note | |
|---|---|---|---|---|---|---|---|
| Serious accidents | Cases | 0 | 0 | 0 | ✔ | [Scope of Reporting] Idemitsu and major group companies |
|
| Acquisition Status of ISO 45001 (Eoccupational Health and Safety Management Systems (OHSMS)) |
Unit | As of June 30, 2022 |
As of June 30, 2023 |
As of June 30, 2024 |
third party Warranty CoverageIndependent Practitioner's Assurance |
Note | |
|---|---|---|---|---|---|---|---|
| Domestic and overseas business sites | Number of certifications | - | - | 10 | |||
|
ISO 9001(Quality Management Systems)Acquisition status |
|
2022 |
2023 |
2024 |
Warranty Independent Practitioner's Assurance |
|
|---|---|---|---|---|---|---|
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| Results Related to Health | Unit | FY2021 | FY2022 | FY2023 | Note | |
|---|---|---|---|---|---|---|
| Periodic medical checkup participation rate | % | 99.9 | 99.9 | 100.0 | [Scope of Reporting] Idemitsu hires, including employees seconded to other companies but excluding employees seconded from other companies and overseas workers | |
| Ratio of employees who underwent follow-up medical checkups | % | 89.1 | 89.0 | 91.1 | [Scope of follow-up medical checkups] Including non-mandatory items | |
| Ratio of employees requiring blood pressure control measures | % | 0.2 | 0.1 | 0.1 | [Calculation criteria] Individuals whose systolic blood pressure is 180mmHg or higher or whose diastolic blood pressure is 110mmHg or higher | |
| Ratio of employees requiring diabetes control measures | % | 0.6 | 0.5 | 0.5 | [Calculation criteria] Individuals with an HbA1c level of 8.0% or higher | |
| Ratio of employees who received health guidance after being diagnosed as high risk | % | 92.3 | 94.6 | 97.0 | [Calculation criteria] Individuals considered as requiring control measures for BMI, blood pressure, ALT/HDL cholesterol, LDL cholesterol, neutral lipid or HbA1c in order to meet Idemitsu’s standards | |
| Ratio of employees who receive ongoing assistance after being diagnosed as high risk | % | 62.3 | 75.2 | 70.4 | [Scope of Reporting] Individuals under Idemitsu hires who are supervised by Head Office’s medical office (including employees seconded to other companies but excluding employees seconded from other companies and overseas workers) | |
| Ratio of employees not considered as requiring weight control measures | % | 66.2 | 65.2 | 64.8 | [Calculation criteria] Individuals whose BMI ranges from 18.5 to below 25.0 | |
| The result of the medical examination questionnaire | Ratio of employees who smokes | % | 20.9 | 20.6 | 20.9 | |
| Ratio of employees who maintain exercise habits | % | 36.7 | 37.0 | 37.3 | [Calculation criteria] Individuals who engage in at least 30 minutes of physical exercise twice a week | |
| Ratio of employees with no sleeping issues inhibiting sufficient rest | % | 78.1 | 75.9 | 75.4 | ||
| Ratio of employees who maintain a regular drinking habit | % | 15.1 | 17.8 | 20.2 | [Calculation criteria] Individuals who habitually drink alcohol in a quantity equivalent to at least 360ml of rice wine on a daily basis or several days a week | |
| Ratio of employees who eat breakfast | % | 75.9 | 74.9 | 73.7 | [Calculation criteria] Individuals who eat breakfast at least five times a week | |
| Ratio of employees deemed to practice robust self healthcare | % | 27.6 | 28.0 | 27.8 | [Calculation criteria] Individuals with no lifestyle-related issues, such as smoking, a lack of exercise, poor sleeping, a regular drinking habit, or failure to eat breakfast | |
| Ratio of employees who took leave due to mental health issues | % | 1.5 | 1.7 | 1.6 | [Scope of Reporting] Idemitsu hires, including employees seconded to other companies and overseas workers but excluding employees seconded from other companies [Calculation criteria] Individuals who took at least a full month of leave due to mental health issues (two or more rounds of such leave taken within a single fiscal year are counted separately) |
|
| Employee stress checks | Participation rate | % | 89.3 | 88.8 | 88.0 | [Scope of Reporting] Idemitsu hires, including overseas workers but excluding employees seconded to other companies and employees seconded from other companies |
| Ratio of employees exposed to a high level of stress | % | 7.7 | 7.8 | 7.5 | [Scope of Reporting] Individuals who underwent stress checks [High[Criteria for a high level of stress] stress standard] Based on standards recommended by the Ministry of Health, Labour and Welfare |
|
| Presenteeism | % | - | 19.2 | 20.3 | [Calculation Criteria] A drop degree of the productivity by the aggravation of the mental and physical health condition. The standard uses the University of Tokyo (SPQ). | |
Governance
Governance
・The scope of data is Idemitsu Kosan non-consolidated.
| Composition of Executive ※As of June 30, 2024 |
Unit | FY2021 | FY2022 | FY2023 | FY2024 | |
|---|---|---|---|---|---|---|
| Directors | People | 11 | 11 | 11 | 10 | |
| Of the numbers mentioned above, Outside Directors | People | 4 (Female 2) |
4 (Female 2) |
4 (Female 2) |
4 (Female 2) |
|
| Audit & Supervisory Board Members | People | 4 | 4 | 4 | 4 | |
| Of the numbers mentioned above, Outside Audit & Supervisory Board Members | People | 2 | 2 | 2 | 2 | |
| Number of Convened Meetings of the Board of Directors, etc. | Unit | FY2021 | FY2022 | FY2023 | |
|---|---|---|---|---|---|
| Board of directors | Number of meetings | times | 15 | 15 | 15 |
| Average rate of attendance | % | 100.0 | 99.4 | 99.4 | |
| Audit & Supervisory Board | Number of meetings | times | 16 | 16 | 16 |
| Average rate of attendance | % | 100 | 100 | 100 | |
| Compliance | Unit | FY2021 | FY2022 | FY2023 | Note |
|---|---|---|---|---|---|
| serious compliance violation | Cases | 0 | 2 | 0 | [Scope of Reporting] Idemitsu and affiliated companies |
| Number of cases of corruption and bribery | Cases | 0 | 0 | 0 | |
| Number of employee disciplinary actions related to corruption and bribery | Cases | 0 | 0 | 0 | |
| Tax compliance violation | Cases | 0 | 0 | 0 | [Scope of Reporting] Idemitsu and affiliated companies substantially controlled by Idemitsu (Companies of which Idemitsu hold more than 50% shares except for Astomos Energy Corporation) |
| information security | Unit | FY2021 | FY2022 | FY2023 | Note |
|---|---|---|---|---|---|
| Serious information security violation | Cases | 0 | 0 | 0 | [Scope of Reporting] Idemitsu and affiliated companies |
| Serious violations of personal information | Cases | 0 | 0 | 0 |
| intellectual property | Unit | FY2021 | FY2022 | FY2023 | Note | |
|---|---|---|---|---|---|---|
| Number of patents published applications | Japan | Cases | 233 | 251 | 192 | [Scope of Reporting] Idemitsu Kosan Co., Ltd., Idemitsu Unitech Co., Ltd., IDEMITSU FINE COMPOSITES CO., LTD., Solar Frontier K.K, NIPPON GREASE Co., Ltd., Idemitsu Engineering Co., Ltd., IDEMITSU CREDIT CO., LTD. |
| Overseas | Cases | 143 | 194 | 169 | ||
| Number of registered patents held | Japan | Cases | 2,050 | 1,975 | 1,942 | |
| Overseas | Cases | 3,538 | 3,599 | 3,599 | ||
Graph collection
Graph collection
● Resource inputs and environmental footprints attributable to the Idemitsu Group’s operations in FY2023
*Ratio data may not add up to the total due to rounding.
*Ratio data may not add up to the total due to rounding.
*Ratio data may not add up to the total due to rounding.
●CO₂ emissions (Scope1, 2, 3)
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*Scope of reporting: Idemitsu, consolidated refining companies (TOA Oil Co., Ltd., Showa Yokkaichi Sekiyu Co., Ltd., Seibu Oil Co.,Ltd.) and major consolidated group companies
*Scope of reporting: Idemitsu, consolidated refining companies (TOA Oil Co., Ltd., Showa Yokkaichi Sekiyu Co., Ltd., Seibu Oil Co.,Ltd.) and major consolidated group companies
*Scope of reporting: Idemitsu, consolidated refining companies (TOA Oil Co., Ltd., Showa Yokkaichi Sekiyu Co., Ltd., Seibu Oil Co.,Ltd.) and major consolidated group companies
●CO₂ emissions (Scope1+2)
*Scope of reporting: Idemitsu, consolidated refining companies (TOA Oil Co., Ltd., Showa Yokkaichi Sekiyu Co., Ltd., Seibu Oil Co.,Ltd.) and major consolidated group companies
*Scope of reporting: Idemitsu, consolidated refining companies (TOA Oil Co., Ltd., Showa Yokkaichi Sekiyu Co., Ltd., Seibu Oil Co.,Ltd.) and major consolidated group companies
*Scope of reporting: Idemitsu, consolidated refining companies (TOA Oil Co., Ltd., Showa Yokkaichi Sekiyu Co., Ltd., Seibu Oil Co.,Ltd.) and major consolidated group companies
●Breakdown of waste disposal in FY2023
*The amount of waste generated does not match the total value of each disposal amount in the figure, as it includes the amount of waste disposed of internally.
*Total amount of Industrial waste and Specially controlled industrial waste.
*Scope of reporting: Hokkaido Refinery, Chiba Complex, Aichi Complex, Tokuyama Complex, TOA Oil Co., Ltd., Showa Yokkaichi Sekiyu Co., Ltd., Seibu Oil Co.,Ltd.
*The amount of waste generated does not match the total value of each disposal amount in the figure, as it includes the amount of waste disposed of internally.
*Total amount of Industrial waste and Specially controlled industrial waste.
*Scope of reporting: Hokkaido Refinery, Chiba Complex, Aichi Complex, Tokuyama Complex, TOA Oil Co., Ltd., Showa Yokkaichi Sekiyu Co., Ltd., Seibu Oil Co.,Ltd.
*The amount of waste generated does not match the total value of each disposal amount in the figure, as it includes the amount of waste disposed of internally.
*Total amount of Industrial waste and Specially controlled industrial waste.
*Scope of reporting: Hokkaido Refinery, Chiba Complex, Aichi Complex, Tokuyama Complex, TOA Oil Co., Ltd., Showa Yokkaichi Sekiyu Co., Ltd., Seibu Oil Co.,Ltd.
●Final disposal rate at group refineries
*Total amount of Industrial waste and Specially controlled industrial waste.
*Scope of reporting: Hokkaido Refinery, Chiba Complex, Aichi Complex, Tokuyama Complex, TOA Oil Co., Ltd., Showa Yokkaichi Sekiyu Co., Ltd., Seibu Oil Co.,Ltd.
*Total amount of Industrial waste and Specially controlled industrial waste.
*Scope of reporting: Hokkaido Refinery, Chiba Complex, Aichi Complex, Tokuyama Complex, TOA Oil Co., Ltd., Showa Yokkaichi Sekiyu Co., Ltd., Seibu Oil Co.,Ltd.
*Total amount of Industrial waste and Specially controlled industrial waste.
*Scope of reporting: Hokkaido Refinery, Chiba Complex, Aichi Complex, Tokuyama Complex, TOA Oil Co., Ltd., Showa Yokkaichi Sekiyu Co., Ltd., Seibu Oil Co.,Ltd.
●Idemitsu Engagement Index
*Scope of reporting: Idemitsu employees (excludes employees seconded to other companies)
*Scope of reporting: Idemitsu employees (excludes employees seconded to other companies)
*Scope of reporting: Idemitsu employees (excludes employees seconded to other companies)
●Female ratio in managerial positions
*Idemitsu employees (employees, seniors, full-time contract employees, and advisors) including employees seconded to other companies
*Idemitsu employees (employees, seniors, full-time contract employees, and advisors) including employees seconded to other companies
*Idemitsu employees (employees, seniors, full-time contract employees, and advisors) including employees seconded to other companies
●Female recruiting ratio
*Scope of reporting: Idemitsu’s direct hires college graduates or higher (Recruitment of new graduates, and Career) between April 1 and March 31
*Scope of reporting: Idemitsu’s direct hires college graduates or higher (Recruitment of new graduates, and Career) between April 1 and March 31
*Scope of reporting: Idemitsu’s direct hires college graduates or higher (Recruitment of new graduates, and Career) between April 1 and March 31
●Male ratio taking childcare leave
*Scope of reporting: Idemitsu hires (employees, including employees seconded to other companies)
*Results as of the end of the fiscal year for all data
*The above includes parental leave for childcare purposes
*Scope of reporting: Idemitsu hires (employees, including employees seconded to other companies)
*Results as of the end of the fiscal year for all data
*The above includes parental leave for childcare purposes
*Scope of reporting: Idemitsu hires (employees, including employees seconded to other companies)
*Results as of the end of the fiscal year for all data
*The above includes parental leave for childcare purposes
●Investments in training per employee
●Occupational accidents frequency rate (accident incidence frequency)
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●Severity rate (degree of accident severity)
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*Scope of Reporting: Hokkaido Refinery, Chiba Complex (Including Prime Polymer Co., Ltd. Anesaki Works), Aichi Complex, Tokuyama Complex, TOA Oil Co., Ltd., Showa Yokkaichi Sekiyu Co., Ltd., Seibu Oil Co., Ltd.*Until FY2021, Chiba Complex includes BASF Idemitsu Co., Ltd..
・Employees: Including employee of group refinery companies listed above
・Employee of partner companies: Including employees of Idemitsu Plantec Group
*Reporting period: From January to December
*Figures presented as averages for all industries for business sites of 100 or more employees are cited from the Ministry of Health, Labor and Welfare’s Survey on Industrial Accidents 2023.
*Scope of Reporting: Hokkaido Refinery, Chiba Complex (Including Prime Polymer Co., Ltd. Anesaki Works), Aichi Complex, Tokuyama Complex, TOA Oil Co., Ltd., Showa Yokkaichi Sekiyu Co., Ltd., Seibu Oil Co., Ltd.*Until FY2021, Chiba Complex includes BASF Idemitsu Co., Ltd..
・Employees: Including employee of group refinery companies listed above
・Employee of partner companies: Including employees of Idemitsu Plantec Group
*Reporting period: From January to December
*Figures presented as averages for all industries for business sites of 100 or more employees are cited from the Ministry of Health, Labor and Welfare’s Survey on Industrial Accidents 2023.
*Scope of Reporting: Hokkaido Refinery, Chiba Complex (Including Prime Polymer Co., Ltd. Anesaki Works), Aichi Complex, Tokuyama Complex, TOA Oil Co., Ltd., Showa Yokkaichi Sekiyu Co., Ltd., Seibu Oil Co., Ltd.*Until FY2021, Chiba Complex includes BASF Idemitsu Co., Ltd..
・Employees: Including employee of group refinery companies listed above
・Employee of partner companies: Including employees of Idemitsu Plantec Group
*Reporting period: From January to December
*Figures presented as averages for all industries for business sites of 100 or more employees are cited from the Ministry of Health, Labor and Welfare’s Survey on Industrial Accidents 2023.
● Composition of Board of Directors and Audit & Supervisory Board
●Number of patent applications (published applications)
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●Number of registered patents held
●Value of patents held and percentage of patents with high value (company-wide)
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●Value of patents held (OLED, Lithium battery materials businesses)
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Independent Assurance Report
Independent Assurance Report