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

As a total healthcare company
we strive to support the unique potential of each individual

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：8.19MB)

Otsuka Virtual Factory Tour (Japanese)

News Releases

Pharmaceuticals

Otsuka Enters into Licensing Agreement for Ophthalmic Gene Therapy Drug Candidate 4D-150 (Anti-VEGF agent) ‐ Acquires Exclusive Development and Commercialization Rights for Asia-Oceania Region, Including Japan, from 4DMT ‐

Pharmaceuticals

Research on Work Productivity Among Japanese Workers Published in the Journal of Occupational Health — Visualizing the Impact of a Range of Diseases on Productivity Using Large-Scale Data —

Pharmaceuticals

Otsuka and Lundbeck Receive Complete Response Letter from U.S. FDA for sNDA of REXULTI^® (brexpiprazole) in Combination with Sertraline for the Treatment of Adults with Post-Traumatic Stress Disorder (PTSD)