Teijin's Carbon Fiber Business has a long, successful history going back to 1934 and the manufacture of synthetic fibers.

Teijin, Carbon Fiber Business

2018 Teijin Limited to Integrate Carbon Fiber Subsidiary Toho Tenax.
2014Taiwan Office opened.
2013Toho Tenax Singapore Pte. Ltd. opened.
2008Sakura Line completed at Mishima Plant.
2007Toho Tenax becomes a wholly-owned subsidiary of Teijin Limited via stock swap.
2006Change of carbon fiber brand name from Besfight to Tenax.
2005Company logo changed, and names of subsidiaries changed to Toho Tenax Europe GmbH and Toho Tenax America, Inc.
2004Acquisition of Fortafil Fibers and create product base in America.
2003Shanghai Office opened.
2001Company name changed to Toho Tenax.
2000Teijin Ltd. becomes majority shareholder and therefore parent corporation.
1993Toho Carbon Fibers established in the U.S.
1993Tenax Fibers established in Germany.
1977Manufacture of prepreg begins.
1975Final decision to enter carbon fiber business. Sale of Besfight® begin. First mass-production line for Pyromex™ flame-resistant fiber completed at Mishima Plant.
1972Carbon fiber pilot plant operation begins.
1969Research into carbon fiber begins.
1963Operations begin at Mishima Plant (acrylic fiber production)
1952Ibigawa Plant constructed.
1950Toho Rayon Co., Ltd. established in compliance with Japan's Antitrust Law and Corporate Reorganization Law.
1935Tokushima Plant opened, production of rayon staple begins.
1934Toho Synthetic Fiber Co., Ltd. established.

Teijin Carbon Europe GmbH

2018Change of company name into Teijin Carbon Europe GmbH.
2011July 2011: Toho Tenax Europe GmbH receives EN 9100 certification.
2010October 2010: Full-fledged operation of carbon fiber production line #4 in Oberbruch.
2009August 2009: Completion of line #4.
2009Toho Tenax Europe receives lab certification from Germanischer Lloyd.
2008April 23, 2008: The foundation stone is laid for production line #4.
2008April 1st, 2008: Introduction of a worldwide unified nomenclature and lot number system for all filament yarns within Toho Tenax Group.
2007September 2007: Toho Tenax becomes a 100% subsidiary of Teijin Limited.
2006August 2006: Start-up of production line #3.
2006January 2006: Tenax™ becomes the worldwide unified trade name for Toho Tenax Group carbon fiber
2005April 1st, 2005: Change of company name into Toho Tenax Europe GmbH.
2004August 31st, 2004: Acquisition of carbon-fiber business in the United States.
2001July 2001: Toho Rayon Co., Ltd., changes its name into Teijin Carbon Co., Ltd.
2000March 1st, 2000: 100% Toho Rayon (Japan).
2000February 2000: Teijin Ltd. acquires more than 50% of shares in Toho Rayon Ltd.
1999Increase of company percentage Toho Rayon (95%), Acordis (5%).
1998Start-up of production on line #2, Oberbruch (Germany). 
1997Increase of company percentage Toho Rayon (80%), Akzo Nobel (20%).
1993Tenax Fibers is certified according to ISO 9001.
1993Joint Venture between Toho Rayon and Akzo Nobel resulting in the foundation of Tenax Fibers GmbH & Co. KG. 
1990Start-up of a development production line.
1987First aerospace qualification for Tenax™ carbon fiber.
1986Start-up of first production line in Germany. 
1983Toho Rayon (today’s Teijin Limited, Japan) licenses carbon fiber manufacturing technology to Enka AG (later Akzo Nobel AG and Acordis AG). 

Teijin Carbon America, Inc.

2018Change of company name into Teijin Carbon America, Inc.
2005Toho Tenax America, Inc. is established.
2004Toho Carbon Fibers, Inc acquires Fortafil* Fibers, Inc, Rockwood, TN from Acordis thereby securing a production base in North America.
1993Toho Rayon forms Toho Carbon Fibers, Inc to directly market carbon fiber in North America.
1992BASF exits carbon fiber business.
1985Celanese sells carbon fiber operations to BASF.
1981Carbon fiber manufacturing starts in Rock Hill, SC.
1976Toho Rayon forms technical and sales collaboration with Celanese Corporation in North America.

Renegade Materials Corporation

2019  Renegade Materials Corporation became a wholly owned subsidiary of Teijin Holdings USA, Inc.