Teijin Limited engages in the fibers, films and sheets, composites, healthcare, and IT businesses in Japan and internationally. The company offers aramid fibers; glass and carbon fibers, composite materials, infusion resins, adhesives, fillers and resin films, and oxidized PAN fibers; polycarbonate sheets and films; high-density polyethylene porous films and materials; and microporous films. It also provides PC resins, polyphenylene sulfide resins, molded parts, flame retardant, and additives; lightweight glass and carbon fiber reinforced composites for automotive applications; and polytrimethylene telephthalate products, artificial leather materials, polyester nanofibers, and recycled polyester fibers. In addition, the company offers pharmaceuticals for bone and joint, respiratory, cardiovascular and metabolic, and other diseases; home oxygen therapy, non-invasive positive pressure ventilation, and sleep disordered breathing related devices, as well as sonic accelerated fracture healing system and community-based integrated care system businesses. Further, the company provides implantable medical devices and regenerative medical products. Additionally, it develops and implements engineering solutions for various issues, such as environmental pollution, energy supply stability, and aging-related workforce population decline. Teijin Limited was incorporated in 1918 and is headquartered in Tokyo, Japan.