About Our GroupAbout Our Group
Message from the CEO
History
Our BusinessesOur Businesses
Otsuka's Strengths
Our Four Businesses and R&D
Investor RelationsInvestor Relations
Management Message
Integrated Report
SustainabilitySustainability
Library
Environmental Report
The Otsuka group operates in four business segments: pharmaceuticals, nutraceuticals, consumer products, and others.
Our Businesses
