| Apr. 1971 |
Hiroshi Teramachi established Toho Seiko Co., Ltd., in Meguro-ku, Tokyo. The company started selling parts for machine tools, link balls, LM rollers, and LM balls. |
| Apr. 1972 |
Toho Seiko started selling its main products, LM Guides and ball splines. |
| Dec. 1972 |
Toho Seiko took over Nisshin Seisakusho Co., Ltd., and began operating the new acquisition as its Tokyo factory. |
| Mar. 1973 |
THK CO., LTD., was established by a joint investment between Toho Seiko and Miyairi Valve Seisakusho Co., Ltd. |
| Apr. 1977 |
Toho Seiko acquired the manufacturing department of THK CO., LTD., and began operating it as its Kofu plant. |
| Sept. 1979 |
Toho Seiko started manufacturing and selling ball screws. |
| Mar. 1981 |
THK America, Inc. (currently a consolidated subsidiary) was established in Chicago, Illinois, U.S.A. |
| July 1982 |
Toho Seiko started manufacturing and selling X-Y tables. |
| Oct. 1982 |
With a change in the face value of its shares (from 500 yen to 50 yen per share), Toho Seiko was taken over by THK CO.,LTD. (a pro forma merging corporation). The plants of Toho Seiko continued operation as THK's Nagoya and Osaka plants. |
| Oct. 1982 |
THK Europe GmbH (currently THK GmbH, a consolidated subsidiary) was established in Düsseldorf, Germany. |
| Jan. 1984 |
The company's trading name was re-established as THK CO., LTD. |
| Feb. 1984 |
THK acquired Daiko Seisakusho Co., Ltd., and began operating the new acquisition as its Gifu plant. |
| Apr. 1985 |
THK took over Toyo Seiko Co., Ltd., and began operating the new acquisition as its Mie plant. THK established Yamaguchi plant (which manufactures LM Guides). |
| Dec. 1985 |
THK participated in capital investment in Daito Seiki Co., Ltd. (currently THK INTECHS CO., LTD., currently a consolidated subsidiary), and entered into a technical tie-up. |
| Jan. 1988 |
THK Yasuda Co., Ltd. (currently THK NIIGATA CO., LTD., currently a consolidated subsidiary), was established in Yasuda-cho (currently Agano City), Kitakanbara-gun, Niigata Prefecture, by joint investment between THK CO., LTD., and Samon Kogyosho CO., LTD. |
| Apr. 1988 |
THK took over THK Distribution Co., Ltd. |
| Jan. 1989 |
THK Taiwan Co., Ltd. (currently a consolidated subsidiary), was established in Taipei, Taiwan, as a joint venture between THK and Fishion Trading Co., Ltd. (Taiwan). |
| May 1989 |
THK co-founded the CNTIC-THK Service Center in Beijing, China, with National Technical Import & Export Corporation (China) and Beijing Numerical Control Technical Development Center (China). |
| Nov. 1989 |
THK was listed on the over-the-counter market. |
| Apr. 1991 |
THK participated in capital investment in Beldex Co., Ltd. (currently THK INTECHS CO., LTD., currently a consolidated subsidiary). |
| June 1991 |
THK established the Yamagata plant. |
| Oct. 1991 |
THK participated in capital investment in Samick Industrial Co., Ltd. (currently Samick THK Co., Ltd., currently an equity investee), in South Korea, and entered into a technical tie-up. |
| Aug. 1992 |
THK acquired PGM Ballscrews Ireland Ltd. (currently THK Manufacturing of Ireland Ltd., currently a consolidated subsidiary), located in Dublin, Ireland. |
| May 1993 |
THK Europe B.V. (currently a consolidated subsidiary) was established in Amsterdam, the Netherlands. |
| May 1994 |
THK participated in capital investment in Toden System Co., Ltd. (currently Talk System Co., Ltd., currently a consolidated subsidiary). |
| Mar. 1996 |
DALIAN THK CO., LTD. (currently a consolidated subsidiary), was established in Dalian, China, as a joint venture between THK and Wafangdian Bearing Group Corporation. |
| July 1996 |
THK started manufacturing and selling Caged Ball LM Guides. |
| Aug. 1997 |
THK Manufacturing of America (currently a consolidated subsidiary) was established in Hebron, Ohio, U.S.A. |
| Aug. 1998 |
THK started manufacturing and selling linear motor actuators. |
| Feb. 2000 |
THK Manufacturing of Europe S.A.S. (currently a consolidated subsidiary) was established in Ensisheim, France. |
| Jan. 2001 |
THK started manufacturing and selling Caged Roller LM Guides. |
| Feb. 2001 |
THK was listed on the First Section of the Tokyo Stock Exchange. |
| Oct. 2002 |
THK France S.A.S. (currently a consolidated subsidiary) was established in Dardilly, France. |
| Aug. 2003 |
THK (SHANGHAI) CO., LTD. (currently a consolidated subsidiary), was established in Shanghai, China. |
| Mar. 2004 |
THK MANUFACTURING OF CHINA (WUXI) CO., LTD. (currently a consolidated subsidiary), was established in Wuxi, China. |
| Nov. 2004 |
Daito Seiki Co., Ltd. (currently THK INTECHS CO., LTD., currently a consolidated subsidiary) became a full subsidiary of THK through share exchange. |
| Feb. 2005 |
THK MANUFACTURING OF CHINA (LIAONING) CO., LTD. (currently a consolidated subsidiary), was established in Dalian, China. |
| Sept. 2005 |
THK (CHINA) CO., LTD. (currently a consolidated subsidiary), was established in Dalian, China, as THK's controlling company in China. |
| Dec. 2006 |
Established THK LM System Pte. Ltd. (currently a consolidated subsidiary) in Singapore. |
| May 2007 |
RHYTHM CO., LTD. (currently THK RHYTHM CO., LTD., currently a consolidated subsidiary), and its group companies became a subsidiary of THK through sale of its shares. |
| July 2007 |
THK RHYTHM (THAILAND) CO., LTD. (currently a consolidated subsidiary), was established in Ryaong, Thailand. |
| Sept. 2008 |
THK MANUFACTURING OF VIETNAM CO., LTD. (currently a consolidated subsidiary), was established in Bac Ninh, Vietnam. |
| July 2009 |
THK transferred business of Beldex Co., Ltd. to THK INTECHS CO., LTD. (currently a consolidated subsidiary; company name changed from “Daito Seiki Co., Ltd.” in July 2009), to integrate operations. |
| Mar. 2011 |
THK established THK RHYTHM CHANGZHOU CO., LTD. (currently a consolidated subsidiary), in Changzhou, China. |
| June 2011 |
THK acquired all outstanding shares in TRW Steering & Suspension (Malaysia) Sdn. Bhd. (currently THK RHYTHM MALAYSIA Sdn. Bhd., currently a consolidated subsidiary) in Malaysia. |
| Feb. 2012 |
THK RHYTHM MEXICANA S.A. DE C.V. (currently a consolidated subsidiary) was established in Guanajuato, Mexico. |
| Mar. 2012 |
Development and manufacturing division of ball joint products at Future Automotive Industry Division was split off from THK and merged into THK RHYTHM CO., LTD. (currently a consolidated subsidiary). |
| Apr. 2012 |
THK established THK MANUFACTURING OF CHINA (CHANGZHOU) CO., LTD. (currently a consolidated subsidiary) in Changzhou, China. |
| Nov. 2012 |
THK India Pvt. Ltd. (currently a consolidated subsidiary) was established in Bengaluru, Karnataka, India. |
| Feb. 2015 |
DALIAN THK CO., LTD. (currently a consolidated subsidiary), was expanded and moved to Dalian Economic and Technological Development Zone in China. |
| Aug. 2015 |
THK completed the business transfer of L&S (Linkage and Suspension) business of TRW Automotive Inc. (now part of ZF Friedrichshafen AG) in Europe and North America and the purchase of shares of its subsidiaries. |
| Oct. 2017 |
The headquarters was moved to the current location (2-12-10, Shibaura, Minato-ku, Tokyo). |
