Domestic Sites
Head Office
Head Office
Tokyo Midtown Yaesu, Yaesu Central Tower, 2-2-1 Yaesu, Chuo-ku, Tokyo 104-0028
Life & Healthcare Solutions Business Sector
Vision Care Materials Div.
Personal Care Materials Div.
Oral Care Business Div.
Mitsui Chemicals Crop & Life Solutions, Inc.
Medical Business Development Div.
Development Div.
Planning & Coordination Div.
Mobility Solutions Business Sector
Elastomers Div.
Performance Compound Div.
PP Composites Div.
Mitsui Elastomers Singapore（MELS）
Composite Materials Business Development Div.
Mobility Solutions Development Div.
Development Div.
Planning & Coordination Div.
ICT Solutions Business Sector
Semiconductor & Optical Materials Div.
Coatings & Engineering Materials Div.
Mitsui Chemicals ICT Materia, Inc.
Mitsui Chemicals Asahi Life Materials Co., Ltd.
ICT Materials Business Div.
Development Div.
Planning & Coordination Div.
Basic & Green Materials Business Sector
Phenols Div.
Industrial Chemicals Div.
Sustainable Feedstocks Div.
Licensing Div.
Polyurethanes Div.
Prime Polymer Co., Ltd.
Planning & Coordination Div.
New Business Incubation Center
Green Sustainable Chemicals Div.
Intellectual Property Div.
Production & Technology Center
Planning & Coordination Div.
Engineering Div.
Overseas Technical Coordination Div.
Safety & Environment Technology Div.
Advanced Production Technology Promotion Div.
Fabrication Process Engineering Div.
Digital Transformation Sector
Purchasing Div.
Logistics Div.
Information System Div.
Business Transformation Div.
Digital Transformation Planning and Coordination Div.