Teijin Limited (帝人株式会社) is a diversified Japanese multinational corporation engaged in the development, manufacture, and sale of advanced materials and healthcare products.
Founded in 1918, the company initially focused on synthetic fibers and has grown into a global leader in high-performance materials, including aramid fibers (such as Twaron and Technora under the Teijin Aramid brand), carbon fibers, composites, resins, films, sheets, and flame retardants. These products serve key industries including automotive, aerospace, electronics, construction, and safety protection.
The healthcare segment encompasses pharmaceuticals for bone, joint, respiratory, and metabolic diseases, as well as medical devices and home healthcare services, where it holds Japan's leading market position in CPAP devices for sleep therapy.
Headquartered in Tokyo with operations also in Osaka, the Teijin Group comprises 126 companies (43 in Japan and 83 overseas) and employs approximately 15,689 people as of March 2026. It maintains a strong international presence with over 50% of revenue from overseas markets across Asia, the Americas, and Europe.
Listed on the Tokyo Stock Exchange (ticker 3401) and a constituent of the Nikkei 225, Teijin operates as a technology-driven holding company committed to sustainable innovation under its purpose of "Pioneering solutions together for a healthy planet."
Also known as Teijin Ltd., Teijin Group, 帝人株式会社, Teijin Kabushiki-gaisha, 東邦テナックス, 東邦テナックス株式会社, Toho Tenax Co., Ltd., and Toho Tenax.
New merged textile/materials unit formed with 80/20 ownership split, 2.0 billion yen capital and Osaka base; integration already reflected in FY ending March 31, 2027 forecast.
Joint research will advance manufacturing, automation and quality-control for cell and gene therapies to expand Japan's manufacturing infrastructure and patient access.
Carbon-fiber-reinforced thermoplastic selected for structural parts of a single-seat, battery-powered last-mile device; offers lower weight, lower cost and injection-moldable pellets from PIR carbon fiber.
An 80% recycled polycarbonate alloy resin is used to make remanufactured printer front covers with restored physical properties and white-color matching.
Thermosetting long-carbon-fiber CFRP that is heat-repairable and chemically recyclable while retaining mechanical parity with conventional CFRPs.
Japan expands XEOMIN label to two focal dystonias, adding to existing spasticity and sialorrhea indications.
Polyester textile pairs bulky raised nap for dead-air warmth with large-knit voids that double breathability and crimped-yarn moisture wicking; aimed at fall/winter 2027 sports and outdoor apparel.
MoU to engineer non-structural composite bulkheads for ships using a patented carbon-based composite that holds non-combustibility certification.
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