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Name Koken Chemical Co., Ltd.
Location 2-11-5, Fukuura, Kanazawa-ku, Yokohama City, Kanagawa
Telephone: 045-785-5551
Fax: 045-785-3336
Founded November 26, 1973
Capital 10 million yen
Officer
  • Managing Director: Kazufumi Tsujii
Business activities Photo etching, wire cutting, electroforming, thermo-compression bonding, special printed circuit boards, laser processing, glass masks, and plating,nickel-copper three-ply metal
Bank
  • Resona Bank, Limited. Shinyokohama Branch
  • Sumitomo Mitsui Banking Corporation, Kamiooka Branch
  • Yokohama Bank, Kanazawa Sangyo Center branch
  • Yokohama Credit Union, Fukuura branch

History

November 1973
  • Established as Niko Co., Ltd. for plating business at Futoo-cho, Kita-ku, Yokohama.
January 1975
  • Started photo etching.
  • Started manufacturing metal masks.
September 1976
  • Started trial manufacture of various parts.
December 1977
  • Changed company name to Koken Chemical Co., Ltd.
February 1978
  • Increased capital to 4 million yen.
June 1981
  • Purchased plant site at Kanazawa-ku, Yokohama.
June 1984
  • Constructed Yokohama Plant.
March 1985
  • Moved to 2-10-12, Fukuura, Kanazawa-ku, Yokohama.
  • Increased capital to 10 million yen.
  • Started mass production of various parts.
April 1997
  • Expanded plant, and increased automation equipment as the business expanded.
May 1998
  • Moved plant in front of Yokohama Plant due to business expansion.
April 2001
  • Acquired ISO9002 certification.
May 2003
  • Changed to ISO-9001 in May, 2003. Expected to obtain ISO-14001 in October, 2003.
October 2003
  • Acquired ISO-14001 certification.
November 2011
  • Our capital value has changed to 2.179 billion yen due to shareholder changes.
April 2017
  • Announcement Regarding Holding Company's acquisition.[Click]
September 2017
  • Decreased capital 10 million yen.
  • MS JAB CM009
  • ISO-9001 ISO-14001