Otsuka Pharmaceutical

Otsuka Pharmaceutical Co., Ltd.
Native name
大塚製薬株式会社
Ōtsuka Seiyaku Kabushiki-gaisha
Company typePublic KK
TYO: 4578
TOPIX 100 Component
IndustryPharmaceutical
Founded1921; 103 years ago (1921) (Founded)
1964 (Incorporated)
FounderBusaburo Otsuka
Headquarters,
Number of locations
69
Area served
Worldwide
Key people
Tatsuo Higuchi (President)
Revenue¥ 1.74 trillion (2022)
¥ 150.32 billion (2022)
OwnerNomura Trust and Banking investment trusts (11.43%)
and investment trusts managed by other banks
Number of employees
5,634 (2017)
ParentOtsuka Holdings Co. Ltd
Websiteotsuka.com

Otsuka Pharmaceutical Co., Ltd. (大塚製薬株式会社, Ōtsuka Seiyaku Kabushiki-gaisha) (TYO: 4578), abbreviated OPC, is a pharmaceutical company headquartered in Tokyo, Osaka and Naruto, Japan. The company was established August 10, 1964.