History

1964 - 1981

Idemitsu Petrochemical markets plastic processed products

Year Month Milestone
1964 Sep. Idemitsu Petrochemical Co., Ltd. is founded
1965 Jul. Plastic net technology is introduced by U.S. Company - Plastic processing technology is introduced and plastic processed product manufacturing and marketing start
1966 Dec. Inflation film manufacturing equipment is introduced at Chiyoda Kakoushi Co., Ltd. Atsugi Plant (later Hikari Chemical Industries Co., Ltd.)
1967 Jan. Mizonoguchi Processing Laboratory opens in Kawasaki City, Kanagawa Prefecture
Jun. T-diecast film manufacturing equipment is installed at the Mizonoguchi Processing Laboratory (Development of co-extruded multi-layer casting film UNILAX starts)
1968 Sep. Idemitsu Petrochemical exhibits at the 2nd Tokyo International Packaging Exhibition TOKYO PACK
1970 Aug. Mizonoguchi Processing Laboratory closes
Sep. R&D Laboratory for Plastic Products (now R&D Center for Plastic Products) opens in Sodegaura City, Chiba Prefecture
1971 Jun. Marketing of laver screen starts (business was transferred in 1984)
Aug. Marketing of kerosene cans (logistics material) starts
Aug. Marketing of plastic containers (logistics material) starts
1972 Mar. Marketing of petrochemical products starts at gas stations directly operated by Idemitsu Kosan Co., Ltd.
1973 Oct. [1973 Oil Crisis] - August 1974
1974 Apr. Development of HDPE thin, high-strength film (UF film) starts
Aug. Idemitsu Petrochemical invests in Hikari Chemical Industries
1975 Aug. High-speed inflation film maker is installed at the R&D Laboratory, accelerating UF film development
1976 - Marketing of plastic bags (general packaging material and UF film) starts
1977 Dec. Joint development of a co-extruded multi-layer PS sheet starts with a Japanese company (partnership discontinued in 1984), later leads to the development of the co-extruded multi-layer sheet MULTILAY
1978 Jan. Co-extrusion multi-layer inflation film system is installed at R&D Laboratory (Development of UNIMARB, now UNICREST, starts)
Oct. [1979 Oil Crisis] - April 1982
Nov. Development of the gas barrier co-extruded multi-layer sheet MULTILAY PBP grade using EVOH resin starts
Dec. Development of OPS sheets using the tubular method starts
1979 Feb. Marketing of the co-extruded multi-layer sheet MULTILAY PNP grade starts
- Marketing of the co-extruded multi-layer inflation film UNIMARB starts
Apr. Nationwide marketing of petrochemical products starts, using Idemitsu Kosan's dealerships
Aug. Idemitsu Petrochemical invests in Taiyo Chemical Industries
1980 Oct. Marketing of the co-extruded multi-layer sheet MULTILAY PBP grade starts
1981 Apr. Development of the high-transparency PP sheet PURELAY starts
Oct. Market research and technology research starts for zipper bags (Development of zipper profile PLALOC starts)

1982 - 1999

Idemitsu Petrochemical becomes a plastic product manufacturer

Year Month Milestone
1982 Apr. Product Marketing Development is established at Idemitsu Petrochemical headquarters (independent division established for plastic processed products)
1983 Apr. UNIMARB SUX film technology is licensed to a UK company
Dec. Aoyagi Experiment Plant is completed, and the first production line for MULTILAY is installed and starts operation in Ichihara City, Chiba Prefecture
1984 Jan. Uni Chemical Industries is established as a plastic packaging material manufacturing company
Apr. Development of the double-bubble tubular nylon film UNIRON starts based on the previous development of OPS sheets
Jun. First production line for UNILAX™ is installed at the Aoyagi Experiment Plant, and production of single-item (bread, noodles, sprouts) packaging grade films start
Jul. Idemitsu Packaging News is published
1985 Jan. Packaging Laboratory opens in the R&D Laboratory
1986 Feb. R&D Laboratory is abolished, and the Packaging Laboratory becomes an independent laboratory of the plastic processed products business
Mar. Construction of the Hyogo Plant starts in Himeji City, Hyogo Prefecture (completed in May 1987)
May Construction of the Chiba Plant starts in Sanbu-gun, Chiba Prefecture (completed in June 1987)
Aug. Marketing of the inorganic filler multi-layer sheet OPALAY starts
Sep. OEM production of PLALOC zipper profiles starts at a Japanese contractor
Sep. PURELAY™ technology is licensed to a West German company
Oct. Idemitsu Petrochemical exhibits at TOKYO PACK 1986 › Magic Top exhibition › (Continuous exhibition up to 2012)
Oct. Second production line for UNILAX™ starts operation at Chiba Plant
1987 Jan. First and second production lines for MULTILAY™ and manufacturing equipment for PURELAY™ start operation at Hyogo Plant
Jan. First production line for UNILAX™ is transferred to and starts operation at Chiba Plant
Jan. Packaging Laboratory is transferred to Hyogo Plant
Apr. Co-extruded multi-layer inflation film production system starts operation at Hikari Chemical Industries’ Chiba Plant
1988 Apr. First production line for UNILON is installed and starts operation at Hyogo Plant
May First production line for PP spunbond nonwoven fabric STRATEC starts operation at Chiba Plant
Sep. MAGICTOP™ technology is licensed to a U.S. company
1989 Mar. MAGICTOP™ technology is licensed to an Australian company
Oct. MAGICTOP™ technology is licensed to a West German company
1990 Mar. Additional production line for MULTILAY™ is installed and starts operation at Hyogo Plant
Jul. Industrial Materials Laboratory is established in Hyogo Plant (for the development of nonwoven fabric grades, etc.)
Oct. Additional production line for UNILAX™ is installed and starts operation at Chiba Plant
1991 Jan. PLALOC Co., Ltd. is founded in Susono City, Shizuoka Prefecture
Mar. [Collapse of the Bubble Economy] - October 1993
Sep. MEDIPAIL™ (logistics material, medical waste container) receives Good Design Award
1992 Nov. Marketing of the linear-cut double-bubble tubular nylon film UNIASLON™ starts
1993 Apr. Marketing of the zippered comforter compression bag (laminated product) starts
1994 May OEM production of the high-transparency PP sheet SUPERPURELAY™ for foldable boxes starts at Japanese contractor via belt process
1995 Jan. [Great Hanshin-Awaji Earthquake]
Mar. Product Laboratory is established at the Hyogo Plant (dual organizational structure consisting of the Packaging Laboratory and Industrial Materials Laboratory)
Apr. Idemitsu Plastics Co., Ltd. is founded spinning off the business for general packaging, logistics materials, laminated products, etc.)
May 1st Idemitsu Packaging Event is held
1997 Mar. Belt process technology is licensed to a German company
1998 Mar. Product Laboratory is transferred to the premises of Idemitsu Kosan Central Laboratory (now Advanced Technology Research Laboratories) in Sodegaura City, Chiba Prefecture
Mar. PLALOC™ tight-seal technology is licensed to a U.S. company
Apr. Production of the soft polyolefin sheet PURESOFTY™ starts at Hyogo Plant
Apr. Production of the composite nonwoven fabric STRAMIGHTY™ starts at Chiba Plant
1999 Mar. UNIASLON™ technology is licensed to a Japanese company (expired in 2013)
Nov. Marketing of the recyclable and reusable ink container RS Can starts
Dec. Hyogo Plant acquires ISO 9001 certification

2000 - 2020

Idemitsu Unitech makes further advancement in business and management base

Year Month Milestone
2000 Apr. Idemitsu Unitech Co., Ltd. is founded
Sep. License for composite nonwoven fabric is granted to a South Korean company
Nov. Chiba Plant acquires ISO 9001 certification
2001 Apr. Production of the high-transparency sheet PURETHERMO™ for heat molding starts at Hyogo Plant
May Belt Process technology wins the 11th Aoki Technical Award
Aug. PLALOC™ technology is licensed to a Japanese company. Contract manufacturing in China is determined (license discontinued in 2017).
Dec. MAGICTOP™ technology is licensed to a U.S. company
2003 Feb. Joint company is established with a Japanese company for the purpose of manufacturing UNILON™ at a local Chinese company (Operation started in 2005 and the joint company dissolved in 2010, leading to business retreat)
Mar. Taiyo Chemical Industries’ heat molding business is transferred to a Japanese company
2004 May MAGICTOP™ technology is licensed to a South Korean company
Aug. [Merger of Idemitsu Kosan and Idemitsu Petrochemical]
Sep. PURESOFTY™ business is transferred to a Japanese company
Oct. Hikari Chemical Industries is consolidated into Idemitsu Unitech and reorganized as Manufacturing Section 3, Chiba Plant
Oct. High-speed container molding equipment is installed at a Japanese contractor to start operation
Nov. Headquarters, branches, R&D Center for Plastic Products, and Chiba Plant (Manufacturing Section 3) acquire ISO 9001 certification
2005 Aug. SUPERPURELAY™ technology is licensed to a Japanese company, making it a base for manufacturing the product in West Japan (partnership discontinued in 2014)
2006 Jun. Idemitsu Plastics Co., Ltd. is consolidated into Idemitsu Unitech
Aug. Headquarters, branches, plants, and R&D Center for Plastic Products acquire ISO 14001 certification
2007 Mar. Capital increase is determined (Capital increased from 300 million yen to 1.6 billion yen)
Apr. Functional Parts Plant (now Mie Plant) is established on the premises of Taiyo Chemical Industries
May PS sheet distribution company is jointly founded with two other Japanese companies
Jul. Manufacturing equipment for UNIPLUS LCD diffuser plate sheets is installed at the Functional Parts Plant
Oct. MAGICTOP technology is licensed to a Japanese company
Dec. Taiyo Chemical Industries’ PS sheet production business is transferred to a Japanese company
2008 Mar. Functional Parts Plant (now Mie Plant) acquires ISO 9001 certification
Apr. Idemitsu Unitech participates in the German interpack exhibition for the first time
Sep. [Global Financial Crisis]
2009 Mar. Taiyo Chemical Industries is consolidated into Idemitsu Unitech
Mar. Capital increase is determined (Capital increased from 1.6 billion yen to 2.6 billion yen)
Jun. Manufacturing equipment for UNITACLAY protection film installed at Chiba Plant
Nov. PLALOC is integrated into Shizuoka Plant
2011 Mar. [Great East Japan Earthquake]
May Belt Process technology wins the 2011 James L. White Innovation Award
Dec. Double-bubble tubular nylon film manufacturing company called K&I Film Co., Ltd. is jointly established with KOHJIN Co., Ltd. (Now KOHJIN Film & Chemicals Co. Ltd.)
2012 Jun. Idemitsu Unitech participates in ProPak Asia exhibition in Thailand for the first time
Oct. Idemitsu Unitech withdraws from the UNIPLUS business. Functional Parts Plant changes to Mie Plant. Production of PLALOC™ starts.
Nov. Idemitsu Unitech participates in PACK EXPO in the U.S. for the first time
2013 Jan. Idemitsu Unitech establishes Plaloc Asia (Thailand) Co., Ltd. in Thailand (“PAT”)
Mar. Marketing of decorative sheets for motorcycles starts
Jun. First production line at K&I Film starts operation
Dec. Production of PLALOC starts at PAT
2014 May Idemitsu Unitech participates in Walmart Sam's Club International Packaging Exposition
2015 Mar. Idemitsu Unitech withdraws from the UNITACLAY business.
Apr. Idemitsu Unitech opens the PAT Bangkok Sales Office.
2016 Mar. General-purpose packaging and logistics materials businesses are transferred to other Idemitsu group companies. Idemitsu Unitech withdraws from the nonwoven fabric business.
Mar. Package using UNIASLON wins the Highest Achievement Award at the 60th Annual Flexible Packaging Achievement Awards sponsored by the U.S. Flexible Packaging Association (FPA).
Jun. Idemitsu Unitech participates in the GLOBAL POUCH FORUM in the U.S. (Has participated every year since)
Dec. Idemitsu Unitech closes the Shizuoka Plant and consolidates it with Mie Plant
2017 Jan. Idemitsu Unitech participates in the 3D Surface Decoration Technology Exhibition for the first time, exhibiting its decorative sheets.
Mar. Idemitsu Unitech formulates Vision 2026, its mid-to-long-term management vision
Dec. PAT receives ISO 9001:2015 certification.
2018 Oct. Idemitsu Unitech establishes its North American MR base at Idemitsu Chemicals U.S.A. Corporation (State of Michigan).
Oct. Idemitsu Unitech participates in TOKYO PACK 2018, marking a return to TOKYO PACK for the first time since the 2012 event.
2019 Jan. Idemitsu Unitech joins the Clean Ocean Material Alliance (CLOMA)
Jan. Idemitsu Unitech exhibits decorative sheets at the Idemitsu Kosan booth at the 11th Automotive World 2019 and the 9th Automotive Lighter Weight Technology Exhibition.
Feb. Idemitsu Unitech joins the U.S. Association for Packaging and Processing (PMMI).
Feb. Idemitsu Unitech starts the introduction of automatic defect inspection line for molded containers at Japanese contract manufacturers.
Mar. Packages using PLALOC (pocket zipper) wins the Highest Achievement Award and the Silver Award in the 63rd Annual Flexible Packaging Achievement Awards sponsored by the U.S. Flexible Packaging Association (FPA).
Mar. Idemitsu Unitech is certified by the Healthy Enterprise Declaration Tokyo Promotion Council as an excellent health-conscious enterprise “Gold” class.
Mar. Idemitsu Unitech is certified by the Tokyo Metropolitan Government as a Sports Encouragement Company.
Apr. [Idemitsu Kosan and Showa Shell Sekiyu merge]
2020 Apr. 20th anniversary
Apr. COVID-19 Declaration of State of Emergency was announced
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