Our Company History

February 1953 We established TOHOKU CHEMICAL Co., Ltd., for purpose of sale of industrial chemicals in Hirosaki, Aomori Prefecture Kitakawarakecho.
January 1963 Opened Hachinohe sales office in Hachinohe, Aomori prefecture (currently Hachinohe Branch)
January 1968 Opened Aomori sales office in Aomori, Aomori prefecture (currently Aomori Branch)
April 1975 Opened Tokyo Branch in Chuo-ku, Tokyo
March 1979 Opened Odate sales office in Odate, Akita Prefecture
June 1980 Opened Akita sales office in Akita, Akita Prefecture (currently Akita Branch)
August 1981 The head office moved to the present location
March 1982 The funded Tokyo Small and Medium Business Investment Co., Ltd., and 85 million yen in capital.
June 1983 We established subsidiary TOO Kaken Co., Ltd., for purpose of manufacture of industrial chemicals. (currently ASUNARO RIKEN Co., Ltd.)
January 1984 Opened Yamagata sales office in Higashine, Yamagata Prefecture (currently Yamagata Branch)
January 1984 Opened Morioka sales office in Morioka, Iwate Prefecture (currently Iwate Branch)
June 1985 Opened Tsuruoka Branch in Tsuruoka, Yamagata Prefecture (currently Tsuruoka sales office)
July 1985 Moved Morioka sales office to Iwate Prefecture Kitakami, renamed Iwate branch
August 1988 We established subsidiary Tohoku Systems Co., Ltd., for purpose of sales of personal computers and software development.
April 1989 Opened Sendai Branch in Kurokawa-gun, Miyagi Prefecture
April 1993 Opened Mutsuogawara sales office in Kamikita-gun, Aomori Prefecture
March 1994 Capital increased to 408.5 million yen.
June 1995 Capital increased to 537.2 million yen.
June 1995 Listed on the OTC market in the Japan Securities Dealers Association
December 1996 Opened Yonezawa sales office
February 1997 Capital increased to 753.7 million yen.
January 2002 ISO14001 certification
July 2003 Opened Research Institute of Bio-System Information
July 2005 Capital increased to 820.4 million yen.
November 2006 Green Care Garden Co., Ltd. to do long-term care services, making a corporate affiliate based on the equity method
April 2007 Acquired 100% of the shares of Hokusei Chemical Co., Ltd. of reagent sales company
October 2012 NICHIEI TOKAI Co., Ltd. of clinical diagnostic reagents sales company, making it a consolidated subsidiary.