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 Launches Frailty Prevention Support VR as Newest Content in FACEDUO VR Program Portfolio - Enables earlier detection of frailty to support health maintenance and prevent or defer the need for nursing care -

Pharmaceuticals

Otsuka Receives FDA Accelerated Approval for VOYXACT^® (sibeprenlimab-szsi) for the Reduction of Proteinuria in Adults with Primary Immunoglobulin A Nephropathy (IgAN) at Risk for Disease Progression

Pharmaceuticals

Otsuka Pharmaceutical Submits New Drug Application to U.S. FDA for Centanafadine for the Treatment of ADHD in Children, Adolescents, and Adults