Corporate Profile

Corporate Profile

Company Name
DOW-MITSUI POLYCHEMICALS CO.,LTD.
Establishment Date
December 14, 1960
Head Office
Shiodome City Center, 5-2, Higashi-Shimbashi 1-chome, Minato-ku, Tokyo 105-7122
Shareholders

* Performance Materials Japan K.K. is a Japanese subsidiary of the Dow Chemical Group.

Capital Stock
6.48 billion yen
Main Businesses
Manufacture and sale of ethylene vinyl acetate copolymer, and ionomer resins with broad applications in food packaging materials and films, etc.
Domestic Offices
2. plants and 1. laboratory
Board Members

As of July 1, 2022

[ General Director ]
  • President, General Director and Chief Executive OfficerRyoji Kato
  • Vice President, General Director and Chief Executive OfficerTaro Fukuzaki
  • General Manager, Corporate Planning DivisionKaoru Suzuki
  • Toshihisa Toyoda
  • General Manager, Production & Technology DivisionAtsushi Miwa
  • Patrick McLeod
  • Jason Roach
  • Don Dufresne
  • Eliezer Maldonado
  • Satoshi Ichimura
[ Corporate Auditors ]
  • Masahiro Sato
  • Takeo Sato

History

1960
Establishment of the company (company name: Mitsui Polychemicals Co., Ltd., headquarters set up in the Hibiya Mitsui Building in Chiyoda-ku, Tokyo)
1961
Head office is relocated to the Otemachi Mitsui Building (also located in Chiyoda-ku)
1962
  • The Otake Plant begins operation and domestic production of MIRASON (low-density polyethylene)
  • Import and sale of ELVAX (ethylene-vinyl acetate copolymer resin) begins
  • Representative office in Osaka is opened (renamed to the Osaka Sales Office the following year)
1964
Import and sale of SURLYN (ionomer resin) begins
1965
Domestic production of ELVAX begins (product name is changed to EVAFLEX)
1967
The Chiba Plant begins operation
1970
Head office is relocated to the Kasumigaseki Building (also located in Chiyoda-ku)
1976
Sales of CMPS (multi-purpose sealing resin) begins
1978
Partial domestic production of SURLYN begins (product name is changed to HIMILAN)
1979
Import and sale of ELVALOY (special ethylene-based copolymer resin) begins
1981
Chiba Plant awarded Excellent High-Pressure Gas Manufacturing Plant (now known as the Minister of Economy, Trade and Industry Award)
1982
  • Otake Plant awarded Excellent High-Pressure Gas Manufacturing Plant (now known as the Minister of Economy, Trade and Industry Award)
  • Import and sale of NUCREL (ethylene (meta) acrylic acid copolymer resin) begins
1984
MIRASON business is transferred to Mitsui Chemicals, Inc. and company name is changed to DuPont-Mitsui Polychemicals Co., Ltd.
1985
Full domestic production of HIMILAN and NUCREL commences
1987
Technical Service Research Institute is renamed to Technical Center
1988
Import and sale of Sealer PA (amorphous nylon resin) begins
1989
Import and sale of ALCRYN (thermoplastic elastomer) begins
1992
  • Otake Plant obtains certification for ISO 9002 (international quality assurance standard)
  • Chiba Plant obtains certification for ISO 9002 (international quality assurance standard)
1993
  • Domestic production of ALCRYN commences
  • Otake Plant awarded Outstanding Safety (now known as the Minister of Health, Labour and Welfare Award)
1995
Membership to the Japan Responsible Care Council
2002
  • Chiba Plant obtains certification for ISO 14001 (international environmental standard)
  • Otake Plant obtains certification for ISO 14001 (international environmental standard)
2003
Head office is relocated to Shidome City Center Building (Minato-ku, Tokyo)
2006
Sales of ENTIRA (polymer type antistatic agent) begins
2010
Sales of HIMILAN ES (solar cell encapsulant) begins
2019
One shareholder changed from DuPont to Performance Materials Japan K.K., a Japanese subsidiary of the Dow Chemical Group. Due to this change, the company name was changed to Dow-Mitsui Polychemicals Co., Ltd.