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 and Lundbeck submit sNDA for FDA review of brexpiprazole and sertraline combination as potential treatment for PTSD

Pharmaceuticals

Otsuka Works with Verily to Launch Longitudinal Mental Health Registry to Advance Novel Research in Psychiatry in the U.S.

Pharmaceuticals

FACEDUO Emotion Recognition Training VR now available - Support for those with developmental conditions such as autism spectrum disorder (ASD), which makes it difficult to read emotions -

Global Topics