Teijin Limited (帝人株式会社, Teijin Kabushiki-gaisha) is a Japanese chemical, pharmaceutical and information technology company. Its main fields of operation are high-performance fibers such as aramid, carbon fibers & composites, healthcare, films, resin & plastic processing, polyester fibers, products converting and IT products.
The company is listed on the first section of the Tokyo Stock Exchange and is a constituent of the Nikkei 225 stock index.
As of March 2014, the Teijin Group comprises 151 companies, 56 in Japan and 95 overseas.
Teijin is a member of the Mitsubishi UFJ Financial Group (MUFJ) keiretsu.
Business segments and products
- Advanced Fibers & Composites Business
- Aramid fibers
- High-performance polyethylene (e.g., Endumax branded UHMWPE)
- High-performance polyester fibers
- PEN fibers
- Artificial leather
- Carbon fiber reinforced composites
- Flame-resistant fibers
- Electric Materials & Performance Polymer Products Business
- Polycarbonate resin
- PEN resin
- PET film
- PEN film
- Processed film
- Healthcare Business
- Pharmaceuticals in the treatment of bone and joint disease, respiratory disease and cardiovascular and metabolic disease
- IT Business
- IT services in the healthcare field
- Total web-based enterprise resource planning (ERP)
- Digital content management services
- Content distribution services for mobile phones and smartphones (electronic books, music)
- E-commerce services
- Products Converting Business
- Sales and trading of fibrous raw material, apparel, industrial materials and performance polymer products
- Polyester/Recycled polyester fibers/textiles
- Closed-loop recycling of polyester products
On October 1, 2026, Teijin Frontier merged with Asahi Kasei Advance to form TA Frontier, a materials trading and manufacturing company owned 80% by Teijin and 20% by Asahi Kasei.
Gallery
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Former headquarters in Chuo-ku, Osaka -
Teijin's plant in Mihara, Hiroshima -
The company's Tokyo offices -
Mucosolvan capsules made by Teijin
