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History

1939
Company established with the name “Yamamaru Seiyaku.”
1944
Company name changed to “Nippon Rika Co., Ltd.”
1950
Succeeded in extracting and separating cystine from natural proteins.
1953
Began mass production of Cystine.
 
L-Cystine used as additive in dry milk for infants.
1962
Began construction of main plant in Ashikaga City, Tochigi Prefecture.
1971
Ministry of Health and Welfare approved L-Cysteine as an additive for perm solutions.
1983
Obtained manufacturing patents for DL-Cysteine and Cystine.
1985
Received the Clean Japan Center’s Chairman’s Award for contributing to the reuse of resources.
 
Succeeded at optically resolving synthetic cystine.
1987
Underwent first GMP inspection of US FDA.
1999
Completed new head office building.
2004
Obtained ISO 14001 certification.
2005
Underwent first GMP inspection of German regional authorities.
2009
Underwent second GMP inspection of German regional authorities.
2011
Underwent first GMP inspection of Korean FDA.
2015
Underwent seventh GMP inspection of US FDA.