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History
History
- Jun 1939
- Started manufacturing industrial chemicals
- Dec 1943
- Changed the corporate name to "YONEYAMA YAKUHIN KOGYO Co., Ltd."
- Jun 1960
- Started manufacture of amino acid in Mikuni plant, Osaka
- Oct 1961
- Opened Tokyo branch office
- Jun 1965
- Opened Ueda branch office in Nagano
- Mar 1966
- Opened Nagoya branch office
- Mar 1968
- Opened Hiroshima branch office
- Oct 1989
- Moved Nagoya branch to a new office
- May 1991
- Completed a new L-Leucine plant in Mikuni plant
- Oct 1991
- Mikuni plant registered FDA & DMF for L-Leucine
Dec.2017 Mikuni plant closed FDA & DMF registration for L-Leucine
- Nov 1996
- Built a new Ueda branch office
- Mar 1999
- Moved Tokyo branch to a new office
- Feb 2002
- Mikuni plant obtained ISO9001 certification
- Dec 2005
- Completed a new amino acid plant in Mikuni plant
- May 2006
- Moved Hiroshima branch to a new office
- Oct 2007
- Obtained ISO14001 certification
May.2016 Mikuni plant gave up ISO14001 certification and shifted to self-management
- Apr 2011
- Completed a new office and warehouse building at Mikuni plant
- Jul 2018
- Launched Pharmaceutical affairs section
- Feb 2019
- Expanded Cleanroom in Mikuni plant
- Jul 2021
- Launched Food Materials Sales section
- May 2022
- Launched Business Promotion Office