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1962 July Established HEPHAIST SEIKO Co., Ltd. with the capital of 5 million yen for the purpose of manufacturing precision parts.
July Started the prototype development of linear ball bearings.

July Started the production of engine parts.
1964 September

Started resarch and development of linear ball bearings.

1965 January

Newly established Saitama Factory in Kawagoe City, Saitama Prefecture for business expansion and factory relocation, to start the production of linear ball bearings.

May Relocated the head office to 2-5, Azusawa town, Itabashi ward, Tokyo.
1968 June Increased capital to 10 million yen.
November Made an OEM linear ball bearings agreement with NSK Ltd. (Terminated in January, 1984.)
1978 June Relocated the head office to 44-7, Kumano town, Itabashi ward, Tokyo.
1980 April Moved the Saitama Factory to the industrial park in Yoshinodai, Kawagoe City, Saitama Prefecture due to the expansion of business.
June Started the production and sales of "Angular-Way" for the direct-acting guide mechanism of machine and industrial tools.
1981 May Started sales of "Angular-Way" in European and US markets.
Increased capital to 20 million yen.
1984 November Relocated the head office to 48-2, Oyama-Kanai town, Itabashi ward, Tokyo.
1987 April Started the development of "Positioning Stage" and "Parallel Mechanisms".
1990 November Established the Akita Factory inside Toyoiwa Industrial Park in Akita City, to supply "Linear Bearing" to THK Co.,Ltd.
1992 December Relocated the head office to 10-9, Oyama-Kanai Town, Itabashi Ward, Tokyo.
1996 July Honored with the designation of "Sai-no-Kuni Factory" by the Governor of Saitama Prefecture.
1997 February Patent acquired for spherical rolling joints.
1999 April Started the sales of spherical rolling joint.
September Developed and started the sales of the optimal "Circular Arc Roller Guide" for highly stiff direct-acting bearings for pressing machines and dies.
2001 January Increased capital to 40 million yen.
May Increased capital to 160 million yen.
August Relocated the head office to 1-103-60, Yoshinodai, Kawagoe City, Saitama Prefecture.
December Increased capital to 433,430,000 yen.


November Increased capital to 539,830,000 yen.


June OTC registration with Japan Securities Dealers Association.
Capital 692,830,000 yen.
Increased capital to 703,470,000 yen.


August Increased capital to 707,100,000 yen.


December OTC Registration with Japan Securities Dealers Association cancelled and shares listed on JASDAQ Stock Exchange.


April Increased capital to 708,750,000 yen.


June Increased capital to 709,575,000 yen.


August Sold headquarters factory (Yoshinodai, Kawagoe City, Saitama), relocating to newly established head office and Saitama factory in Imafuku, Kawagoe City, Saitama.


May Increased capital to 717,495,000 yen


March Achieved ISO 9001:2000 certification
Cooperated in“ARTA Challenge”cart racing project


December Developed ultra-thin alignment stage CHX and guide ball bushing LG, for OEM supply to THK Co.,Ltd.


January Two cylindrical linear bushes added to lineup,“ ball spline with integrated rotation bearing” and“ miniature ball screw and ball spline”.


April Following the merger of the Osaka Securities Exchange and JASDAQ Securities
Exchange, (and) shares listed on Osaka Securities Exchange JASDAQ. (currently the Osaka Securities Exchange JASDAQ“Standard”)


July Get an Eco-Action 21 (Environmental Management System) certification.
Small linear motion bearings“, Stroke Ball Spline(has a limited)”published a series of 12.

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