About Otsuka

Otsuka Pharmaceutical was established in 1964.
At Otsuka Pharmaceutical, we are committed to a holistic approach to health and well-being of people and are striving to create innovative, thoroughly-original pharmaceutical and nutraceutical products based on our corporate philosophy
"Otsuka-people creating new products for better health worldwide".

Message from Top Management

Otsuka-people creating new products for better health worldwide

Otsuka People Talk

Otsuka employees share their stories of continually rising to the challenge

Corporate Profile

Timeline of Otsuka's History

Contact Addresses in Japan

Affiliated Companies Around the World

Production Activities

Original Global Development

Business Collaborators

Corporate Governance

Other Information

Corporate brochure

Download our corporate brochure

(PDF：9.69MB)

Otsuka Virtual Factory Tour (Japanese)

News Releases

Pharmaceuticals

Otsuka Announces FDA Acceptance and Priority Review of Biologics License Application (BLA) for Sibeprenlimab in the Treatment of Immunoglobulin A Nephropathy (IgAN)

Nutraceuticals

Pharmavite Established a New Facility in Ohio, US, Dedicated to The Manufacturing of Gummy SupplementsFacilitating the Research and Development of Gummy Products

Pharmaceuticals

Otsuka Signs Joint Research Agreement with Keio UniversityIndustry-academia collaboration for infrastructure development toward the social implementation of psychedelics in Japan