Avril 1971
Création de Toho Seiko Co., Ltd., changement de nom pour THK Co., Ltd.

Avril 1972
Toho Seiko started selling its main products, LM Guides and ball splines.

Décembre 1972
Toho Seiko took over Nisshin Seisakusho Co., Ltd (captial: 5,000,000 yen). Toho Seikos capital was increased to 45,000,000 yen.

Mars 1973
THK Co., Ltd. was founded by a joint investment between Toho Seiko and Miyairi Valve Seisakusho Co., Ltd.

Avril 1977
Toho Seiko acquired the manufacturing department of THK Co., Ltd. and began operating it as its Kofu Plant.

Septembre 1979
Toho Seiko started manufacturing and selling ballscrews.

Mars 1981
THK America, Inc. (currently a affiliated company) was founded in Chicago, USA.

Juillet 1982
Toho Seiko started manufacturing and selling X-Y stages.

Octobre 1982
With a change in the face value of its shares (from 500 yen to 50 yen per share), THK Co., Ltd (a pro forma merging corporation) was merged with Toho Seiko. The plants of Toho Seiko continued operation as THKs Nagoya and Osaka Plant.

Octobre 1982
THK Europe GmbH (currently THK GmbH an affiliated company) was founded in Dusseldorf, Germany.

Janvier 1984
The companys trading name was re-established as THK Co., Ltd.

Février 1984
THK acquired Daiko Seisakusho Co., Ltd and began operating the new acquisitions as its Gifu Plant.

Avril 1985
Toyo Seiko Co., Ltd was merged with THK and inaugurated as the companys Mie Plant. Yamaguchi Plant (for manufacturing LM Guides) was established.

Décembre 1985
THK participated in capital investment in Daito Seiki Co., Ltd (currently an equity method applied company) and entered into a technical tie-up.

Juin 1987
THK started manufacturing and selling intelligent actuators.

Juillet 1987
Techno Plaza was founded in Yamaguchi Plant.

Janvier 1988
THK Yasuda Co.,  Ltd was established in Yasuda-cho, Kita Kanbara-gun, Niigata Prefecture, by joint investment between THK and Samon Kogyosho Co., Ltd (currently an affiliated company).

Avril 1988
THK Distribution Co., Ltd was merged with THK.

Juillet 1988
The third facility at the Yamaguchi Plant was completed.

Janvier 1989
THK Taiwan Co., Ltd (currently an affiliated company) was founded in Taipei, Taiwan,as a joint venture between THK and Fishion Trading Co., Ltd (Taiwan).

Mai 1989
THK founded the CNTIC-THK Service Center in Beijing, China, with National Technical Import & Export Corportion (China) and Beijing Numerical Control Technical Development Center (China).

Novembre 1989
THK was listed on the over-the-counter market.

Avril 1991
THK participated in capital investment in Beldex Co., Ltd (currently an affiliated company).

Juin 1991
Yamagata Plant (for manufacturing LM guuides and special bearings) was established.

Octobre 1991
THK participated in capital investment in Samick Industrial Co., Ltd. (currently Samick LMS Co., Ltd.) South Korea, and entered into a technical tie-up.

Août 1992
THK acquired PGM Ballscrews Ltd. (currently an affiliated company, the head office located in Coventry) in the UK.

Octobre 1992
THK started manufacturing and selling R Guides.

Mai 1993
The head office was moved to the current location (3-11-6, Nishi-Gotanda, Shinagawa-ku, Tokyo).

Mai 1993
THK Europe B.V. (currently an affiliated company) was founded in Amsterdam, Netherlands.

Mai 1994
THK participated in capital investment in Talk System Co., Ltd (currently an affiliated company, renamed from Toden System Co., Ltd. in Octobre 1994).

Octobre 1994
THK started manufacturing and selling cross LM Guides.

Mars 1996
Dalian THK Co., Ltd was founded in Dalian, China, as a joint venutre between THK and Wafangdian Bearing Group Corporation.

Juillet 1996
THK started manufacturing and selling LM Guide with Caged Ball.

Août 1997
THK Manufactuing of America (currently an affiliated company) was founded in Heblon, Ohio, USA.

Août 1997
The second facility at the Yamagata Plant was completed.

Août 1998
THK started manufacturing and selling linear motor actuators.

Février 2000
THK Manufacturing of Europe S.A.S (currently an affiliated company) was founded in Ensisheim, Alsace, France.

Mai 2000
MRC center was established.

Janvier 2001
THK started manufacturing and selling Caged Ball Roller Guides.

Février 2001
Lists stocks on the First Section of the Tokyo Stock Exchange.

Juillet 2001
The second facility at the THK Manufacturing of America, Inc was completed.

Août 2001
New ballscrew facility established in Dublin.

Mai 2003
The second facility at the THK Manufacturing of Europe, S.A.S. was completed.

Mai 2003
THK South Africa office established.

Août 2003
THK (Shanghai) Co., Ltd. was established in Shanghai, China.

Mars 2004
THK Manufacturing of China (Wuxi) Co., Ltd. was established in Wuxi, China.

Juillet 2004
THK Yasuda Co., Ltd. was renamed to THK Niigata Co., Ltd.

Novembre 2004
Daito Seiki Co., Ltd. became a full subsidiary of THK through share exchange.

Mars 2005
THK Manufacturing of China (Liaoning) Co., Ltd. was established in Dalian, China.

Septembre 2005
THK (China) Co., Ltd. was established in Dalian, China.