Otsuka Pharmaceutical

Otsuka Pharmaceutical Co., Ltd.
Native name
大塚製薬株式会社
Ōtsuka Seiyaku Kabushiki-gaisha
Company typeSubsidiary KK
IndustryPharmaceutical
Founded1921 (1921) (brand)
August 10, 1964 (1964-08-10) (company)
FounderBusaburo Otsuka
HeadquartersTsukasamachi, ,
Number of locations
69
Area served
Worldwide
Key people
Tatsuo Higuchi (President)
Revenue¥ 1.74 trillion (2022)
¥ 150.32 billion (2022)
Number of employees
5,634 (2017)
ParentOtsuka Holdings
Websitehttps://www.otsuka.com/jp/

Otsuka Pharmaceutical Co., Ltd. (大塚製薬株式会社, Ōtsuka Seiyaku Kabushiki-gaisha), abbreviated OPC, is a pharmaceutical company headquartered in Chiyoda, Tokyo. The company was established on August 10, 1964.