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：7.40MB)

Otsuka Virtual Factory Tour (Japanese)

News Releases

Pharmaceuticals

Announcement of Termination of Global License Agreements for Renal Anemia Treatment with Akebia Therapeutics, Inc.

Four Otsuka Group Companies in Indonesia Adopts CO₂-Free Electricity - Approximately 13% reduction in annual CO₂ emissions -

Pharmaceuticals

Otsuka and Ai-BrainScience Announce Sales Collaboration Agreement for New Cognitive Function Testing Application That Uses Eye Tracking Technology

Global Topics