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

Nutraceuticals

Otsuka Pharmaceutical Launches Sales of POCARI SWEAT in India　Expanding the Nutraceutical Business Globally

Pharmaceuticals

eMind, Tohoku University, and Otsuka Pharmaceutical Launch Epilepsy Smart Medical Joint Research Project (Phase II) Aiming to Start and Expand Epilepsy Treatment Support System

Pharmaceuticals

Otsuka Launches Comprehensive Support Program for Families of People with Severe Social Withdrawal (Hikikomori) in Collaboration with Hokkaido University