Corporate History
| Apr. 1971 | Toho Seiko CO., LTD. was established in Meguro-ku Tokyo by Hiroshi Teramachi.Sale of Link Balls, LM Rollers, LM Balls, and parts of machine tools started. |
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| Apr. 1972 | Sale of LM Guides and Ball Splines started. |
| Dec. 1972 | Toho Seiko tookover Nisshin Seisakusho CO., LTD. (capital \5,000,000) and Toho Seiko's capital was increased to \45,000,000. |
| Mar. 1973 | THK CO., LTD. was established by joint investment between Miyairi Valve Seisakusho Co., Ltd. and Toho Seiko Co., Ltd. |
| Apr. 1977 | The production department of THK CO., LTD. was purchased by Toho Seiko and established as the Kofu plant. |
| Sep. 1979 | Production and Sale of Ball Screws started. |
| Mar. 1981 | THK America Inc. was established in Chicago, U.S.A. |
| Jul. 1982 | Production and Sale of X-Y Stages. |
| Oct. 1982 | Share denomination was changed (face value \500 per share changed to \50) and Toho Seiko CO., LTD. was merged by THK CO., LTD. (formal retaining company). Plants of Toho Seiko CO., LTD. continued manufacturing operation as THK's Nagoya and Osaka plants. |
| Oct. 1982 | THK GmbH was established in Dusseldorf, Germany. |
| Jan. 1984 | THK CO., LTD. acquired Daiko Seisakusho CO., LTD. and transformed facility of Daiko Seisakusho into the Gifu plant. |
| Apr. 1985 | THK CO., LTD. merged Toyo Seiko Co.,Ltd and established as the Mie plant. Yamaguchi plant was established. |
| Dec. 1985 | Participated in capital investment in DAITO SEIKI CO., LTD.（currently THK INTECHS CO.,LTD.) under an engineering cooperation agreement. |
| Jan. 1988 | THK NIIGATA CO., LTD.(currently THK Yasuda Co.,Ltd.) was established by joint investment between THK CO., LTD. and Samon Kogyosho CO., LTD. |
| Apr. 1988 | THK CO., LTD. merged with THK Distribution CO., LTD. |
| Jul. 1988 | The third facility at the Yamaguchi plant was completed. |
| Jan. 1989 | THK TAIWAN CO., LTD. was established in Taipei, Taiwan. |
| May. 1989 | CINTIC - THK SERVICE CENTER was established in Beijing, China. |
| Nov. 1989 | Registered on the Tokyo OTC market. |
| Apr. 1991 | Participated in capital investment in Beldex Corporation(currently THK INTECHS CO.,LTD.). |
| Jun. 1991 | The Yamagata plant was established. |
| Oct. 1991 | Participated in capital investment in Samick Industrial Co.,Ltd.(currently Samick THK Co.,Ltd. an equity investee) |
| Aug. 1992 | Acquired PGM Ireland Ltd. in Dublin, Ireland. |
| May. 1993 | The head office was moved to the present address. |
| May. 1993 | THK Europe B.V. was established in Amsterdam, Netherlands. |
| May. 1994 | Participated in capital invetment in TALK SYSTEM CO.,LTD.. |
| Mar. 1996 | DALIAN THK CO., LTD. was established in Dalian, China. |
| Jul. 1996 | Production and sale of second generation LM Guides started. |
| Aug. 1997 | THK Manufacturing of America, Inc. was established in Hebron, Ohio. |
| Feb. 2000 | THK Manufacturing of Europe S. A. S. was established in Ensisheim, France. |
| Jan. 2001 | Production and sale of Caged Roller LM Guide started. |
| Feb. 2001 | Listed on the First Section of Tokyo Stock Exchange. |
| Oct. 2002 | THK France S. A. S. was established in Dardilly, France. |
| Aug. 2003 | THK (SHANGHAI) CO., LTD. was established in Shanghai, China. |
| Mar. 2004 | THK MANUFACTURING OF CHINA (WUXI) CO., LTD. was established in Wuxi, China. |
| Nov. 2004 | THK CO., LTD. acquired DAITO SEIKI CO., LTD.（currently THK INTECHS CO.,LTD.) as a wholly owned subsidiary, via a stock swap. |
| Feb. 2005 | THK MANUFACTURING OF CHINA (LIAONING) CO., LTD. was established in Dalian, China. |
| Sep. 2005 | THK (CHINA) CO.,LTD. was established in Dalian, China. |
| Dec. 2006 | THK LM SYSTEM Pte. Ltd. was established in Singapore. |
| May. 2007 | THK made Rhythm Corporation its subsidiary by acquiring all of the company's share（currently THK RHYTHM CO., LTD.) . |
| Jul. 2007 | THK RHYTHM(THAILAND)CO.,LTD.was established in Ryaong, Thailand. |
| Sep. 2008 | THK MANUFACTURING OF VIETNAM CO., LTD. was established in Bac Ninh, Vietnam. |
| Jul. 2009 | THK transferred a 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 integrated the operations. |
| Apr. 2011 | THK established THK RHYTHM CHANGZHOU CO., LTD. (currently a consolidated subsidiary) in Changzhou, China. |
| Apr. 2011 | THK incorporated former non-consolidated subsidiary Nippon Slide CO., LTD. into its scope of consolidation. |
| Jun. 2011 | THK acquired all outstanding shares in THK RHYTHM MALAYSIA Sdn. Bhd. (currently a consolidated subsidiary, company name changed from "TRW Steering & Suspension (Malaysia) Sdn. Bhd."in August 2011). |