|1931||Founded at Terajimacho in Hamamatsu,Japan to manufacture weaving machines.|
|1941||Started to manufacture centerless grinding machines and lathes.|
|1945||Closed the plant by war damage.|
|1947||Re-started the manufacturing of textile machines.|
|1950||Re-started the manufacturing of centerless grinding machines.|
|1964||Increased the capital to 80,000,000 Yen.|
|1967||Moved to the new plant located at Aritamanishimachi, Hamamatsu.|
|1970||Developed the first High Speed Hydrostatic Centerless Grinder HI-GRIND 2 and exhibited it to the 5th Japan International Machine Tool Show.|
|1973||Developed a fully automated machine with inprocess and post process gauges.|
|1974||Added Engineering Service Division and expanded rebuilding business, and customers service.|
|1983||Developed an ultra-precision grinding machine and trueing machine to grind ceramics materials and published the results in 1985-SME(USA)|
Developed an ultra-precision centerless grinding machine UG-1000.
Increased the capital to 120,000,000 Yen.
|1987||Developed a small type ultra-precision centerless grinder NANOTRON and published the results in 1993-ASPE(USA)|
Added R&D building with total temperature and enviroment control.
Development of high precision shoe type grinder CG-1100.
|1991||Developed vertical type ultraprecision surface grinder to grind ceramics.|
|1992||Developed horizontal type ultraprecision surface grinder to grind ceramics and published the results in 1994-ASPE(USA)|
|1996||Developed ultraprecision high performance centerless grinder UG-250.|
|1998||Developed small type ultraprecision high performance centerless grinder UG-150.|
|2001||Development of an ultra precision matching grinder for injection nozzle needles.|
Development of Twin Head centerless grinder SPG-100 for combined grinding of stem and brim of HDD spindle moter shaft.
Development of ECOGRIND-50R with environmental management.
Certification of ISO14001(2002.12.25.No.EC02JO254).
Development of small type precision machine ECOGRIND-100R.
Development of compact size precision machine ECOGRIND-2A.
|2010||"Best Technical Award" is granted to our HI-GRIND 2 model by the "Association to recognize historic valuable machine in Japan" in the 12th meeting, June 9, 2010.|
|2014||Development of HI-GRIND400-TS model for precision grinding of middle and large size workpieces.|
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