About us

  1. Home
  2. About us
  3. Company History

Company History

  1. 2019

    Exhibited at Cologne Interzum 2019
    Unbreakable Gear
    (N50-90L-32AF/N50-90L-15 (90)) debut
    In addition, a variety of electric functional
    mechanisms(EL-02H2, EL-03H, & MA-02SH2)
    introduced in the market.

  2. 2013

    Micro-Pitch gear and Free-Lock gear started production and sales

  3. 2013

    Established KOYO Germany GmbH in Dusseldolf, Germany
    and started local sales

  4. 2013

    Exhibited at Cologne Interzum 2013
    Micro-Pitch gear and IS gear with long stretch mechanism(IS150LT) debut in European market.

  5. 2011

    Exhibited at Cologne Interzum 2011
    IS gear with stretch mechanism(IS150T) debut in European market

  6. 2009

    IS/LS gear (For Wooden Frame Sofa) started production and sales

  7. 2009

    Exhibited at Cologne Interzum 2009
    Successfully developed LS gear and start the sales drastically
    KOYO IS/LS Gear debuted in European market
    Started business transactions with Ipea s.r.l. Group in Europe
    Distribution channel for Italy, Spain, Portugal firmly established

  8. 2008

    Successfully developed IS functional gears for European sofa Exhibited KOYO IS gear at Shanghai FMC show as a reference
    Started business transactions with Lider Interior, Brazil and established the sales in South America

  9. 2008

    Established Dongguan KOYO Trading Co., Ltd. and started local sales

  10. 2007

    Exhibited at Cologne Interzum 2007
    Started business transactions with Cieffe s.r.l., Italy for KOYO Legman distribution and Bursali Metal Furniture, Turkey for KOYO ratchet gear system
    Stanford University, USA selected KOYO Legman for their new Y2E2 ecology building.

  11. 2007

    Built a new warehouse

  12. 2006

    Opened KOYO China Sales office & factory in Dongguan city, China
    Sales and distribution for China and the South East Asian nations enlarged
    Successfully developed KX-14 fine pitch reclining gear .

  13. 2006

    China factory and sales office opened

  14. 2005

    Exhibited at Cologne Interzum 2005
    Successfully developed the world smallest fine pitch gear mechanism:
    KS series debuted in world market
    KS gear got the largest market share in Japan (2010)

  15. 2005

    Fine gear (14 steps gear) started production and sales

  16. 2005

    Tokyo sales office opened

  17. 2004

    Expanded and renovated new head quarter building

  18. 2003

    Masanobu Yamashita succeeded Yoshinobu Yamashita as CEO.

  19. 2003

    Exhibited at Cologne Interzum 2003
    Started business with HAFELE USA for the distribution of KOYO Legman.
    US school facility newly adopted KOYO Legman for their science tables

  20. 2003

    Celebrated KOYO's 100th Anniversary at Swiss Hotel Nankai Osaka and thanked customers

  21. 2002

    ISO9001:2000 Certified

  22. 2002

    Awarded an excellent declarer by the Sakai Tax Head Officer, Japan

  23. 2001

    Legman awarded Interzum Prize in Cologne, Germany

  24. 2001

    Exhibited at Cologne Interzum 2001
    Winner of Interzum Award (KOYO Legman) as the first Asian manufacture in its history.
    Office furniture manufacturers in the USA and Europe started to use KOYO Legman
    Started selling Legman for USA, UK, and France

  25. 2000

    Started exporting to North America

  26. 1999

    Started to produce Legman (patented): Height adjustable table leg system

  27. 1999

    Exhibited at Cologne Interzum 1999
    KOYO Legman exhibited as reference
    Started joint development of KOYO height adjustment mechanism with American Major office furniture manufacturer

  28. 1997

    Increased the capital doubled for KOYO Giken and KOYO Engineering Co., Ltd.

  29. 1995

    Started exporting to Europe

  30. 1992

    Awarded the distinguished invention award by Osaka Governor, Japan

  31. 1988

    Started exporting to Asia

  32. 1987

    Expanded head factory at Kusabe, and became head office of KOYO Giken

  33. 1980

    Established KOYO Engineering Co., Ltd. at Kusabe, Sakai, Osaka, Japan for international operations

  34. 1974

    Started new ratchet gear production for floor chairs and wooden seats

  35. 1973

    Changed trade name to KOYO Giken Co., Ltd.
    Built four story building as a new head quarter closed to the factory

  36. 1971

    Yoshinobu Yamashita became President after Giichi Yamashita

  37. 1961

    Founded "KOYO Nukimono Company" and Giichi Yamashita became President

  38. 1960

    Started to manufacture ratchet gears for beach chairs

  39. 1947

    Rebuilt the factory, and resumed production Products manufactured were bicycle components

  40. 1944

    The factory burned and destroyed due to air raid during WW Ⅱ

  41. 1926

    Changed trade name to Yamashita Manufacturing Company Products Manufactured were farming machinery and equipment