History
History
1960-
December 1965
Kenko Tsusho Corporation established (capital: 5.4 million yen), first president: Satoshi Tobbe
1970-
1975
Established Kenko Brenntag Co.
A joint venture is established with Brentag, Germany's No. 1 chemical trading company.
1980-
May 1989
U.S. subsidiary Chemco Industries Inc. established (joint venture with Chisso Corp.)
1990-
July 1992
Osaka branch opened
May 1994
U.S. subsidiary Optio Health Products Inc. is established.
June 1994
EPC-Kenko liaison office opened in Beijing, China, jointly with EPC of Germany.
September 1994
Established U.S. subsidiary Soft Gel Technologies Inc.
January 1997
Opened Mumbai Branch in India
February 1998
U.S. subsidiary American Nutriceutical Products Inc. is established.
2000-
March 2000
U.S. subsidiary Microfoods Inc. is established.
April 2000
Optipure Japan Y.K. is established.
June 2000
Kenko-Bally Enterprises Limited, a subsidiary in Hong Kong, China, is established.
May 2001
Moscow, Russia Branch Office opened
August 2001
Established Daiwa-Kenko Co., Ltd. as a subsidiary in Hong Kong, China.
January 2003
China subsidiary KIS Conductive Plastic Co.
March 2003
Shanghai, China Branch Office opened
April 2003
U.S. subsidiary Kenko Holding Company Inc. established (holding company for three U.S. subsidiaries, Chemco, Optio Health, and Soft Gel)
August 2003
Cairo, Egypt branch office opened
November 2003
China subsidiary SKI Conductive Plastic Co.
April 2004
U.S. subsidiary Kenko USA Inc. established.
June 2004
Kenko-Bally Enterprises (Shenzhen) Ltd. established as a subsidiary in China.
July 2004
Kenko-Bally Hong Kong Ltd. established as a subsidiary in China.
August 2004
Establishment of Chinese subsidiary Kenko (Suzhou) Pharma Science Co.
August 2004
U.S. subsidiary Kenko Holding Company Inc. becomes a subsidiary of Kenko USA Inc.
July 2005
Kenko-Bally Hong Kong Limited, a subsidiary in Hong Kong, China, is established.
July 2005
German subsidiary Beckmann-Kenko GmbH established (joint venture with Beckmann)
August 2006
Invested in National Enviropak Limited (Nanshan Enviropak Packaging Materials Co., Ltd.), a Hong Kong corporation in China.
September 2006
Kenko (Qingdao) Co., Ltd. established as a subsidiary in China.
October 2006
Established Puyang Kenko Pengceng Biological Product Co.
November 2006
U.S. subsidiary Kenko International, Inc. established.
December 2006
U.S. subsidiary Kenko International Inc. absorbs Kenko USA Inc. and becomes the surviving company.
February 2007
China subsidiary Kenko Hongtai (Xinxiang) Bio Product Co., Ltd. established (Kenko Hongtai (Xinxiang) Bio Product Co.)
February 2007
Korean subsidiary Kenko BioChemical Co.
May 2007
Raises its stake in German subsidiary Beckmann-Kenko GmbH
December 2007
Increased its stake in National Enviropak Limited, a Hong Kong subsidiary in China.
2010-
November 2012
Fukuoka Sales Office opened
June 2013
Establishment of Chinese subsidiary Qingdao Kenko Co.
January 2014
Juzo Matsuo assumes office as the 2nd President
February 2014
Sofuku Tsuchibe, founder of the company, held a farewell ceremony at noon on February 20 at Aoyama Funeral Home
June 2015
Tatsuya Imoo appointed as the 3rd President
December 2015
50th Anniversary
2020-
January 2021
Yasunori Kamei appointed as the 4th President
March 2022
Consolidated sales exceed 20 billion yen (58th term)
April 2023
The core system was updated and OBIC7 was introduced. At the same time, Rakuraku Seikatsu was introduced as an expense reimbursement system.
April 2023
Ken Tsuchibe Joined the Company
April 2024
Reorganization of business divisions (7 divisions consolidated into 4 divisions. Osaka Division integrated into Head Office)
June 2024
Hitoshi Sasaki appointed as the 5th President
June 2025









