Research and Development

Based on our corporate philosophy of ‘Otsuka - people creating new products for better health worldwide’, the Otsuka Group conducts diversified research and development activities aimed at improving health and wellness, taking a long-term approach to changes in the health-care environment. Following is a brief overview of the research and development activities of Otsuka Group.


Our comprehensive approach to pharmaceutical research and development ranges from diagnosis to treatment of diseases targeted at unmet medical needs.


Expertise developed through our pharmaceuticals business is applied to the research and development of products that aid in the maintenance and improvement of day-to-day well-being.

Consumer Products

The Otsuka Group is engaged in the research and development of original and unique products in the food and beverage field.

Other Businesses

Research and development initiatives extend to chemical products, agrichemical products and electronic equipment.