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.
Mitsui Chemicals Asahi Life Materials Co., Ltd.
Medical Business 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.
Planning & Coordination Div.
ICT Solutions Business Sector
Semiconductor & Optical Materials Div.
Coatings & Engineering Materials Div.
Mitsui Chemicals ICT Materia, Inc.
ICT Materials Business 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.
R&D Center
R&D Planning & Coordination Div.
Production & Technology Center
Planning & Coordination Div.
Engineering Div.
Overseas Technical Coordination Div.
Safety & Environment Technology Div.
Advanced Production Technology Promotion Div.
Intellectual Property Div.
Fabrication Process Engineering Div.
RC & Quality Assurance Div.
Digital Transformation Sector
Purchasing Div.
Logistics Div.
Information System Div.
Business Transformation Div.
Digital Transformation Planning and Coordination Div.