Toho Tenax has a long, successful history going back to 1934 and the manufacture of synthetic fibers.

Toho Tenax Co., Ltd.

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

Toho Tenax Europe GmbH

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

Toho Tenax 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.