Principal Research & Development Facilities
Pharmaceutical Business
Research Institutes
Japan- Tokushima Research Center for Drug Discovery
- Osaka Research Center for Drug Discovery
- CMC Headquarters
- Diagnostic Division, Research Department
U.S.- Visterra
China- Otsuka Shanghai Research Institute
U.K.- Astex Therapeutics (Drug Discovery and Preclinical Development)
Clinical Institutes
Japan- Diagnostic Division, Clinical Development Department
- Headquarters of Clinical Development
South Korea- Korea Otsuka Pharmaceutical
U.S.- Otsuka Pharmaceutical Development & Commercialization
China- Otsuka Beijing Research Institute
Germany- Otsuka Novel Products
- Otsuka Pharmaceutical Development & Commercialisation Europe
Nutraceutical Business
Japan- Otsu Nutraceuticals Research Institute
- Otsu Skin Care Research Institute
- Saga Nutraceuticals Research Institute