| February 11, 1932 |
Inauguration of business at Nippori, Arakawa-ward.? Started manufacturing of vanish tubes |
| May, 1964 |
Started molding of Bakelite, epoxide resin, etc. |
| September, 1971 |
Started cutting operation by general-purpose machines for plastics |
| August, 1982 |
Introduced machining center |
| 1988 |
Introduced large-sized machining center (1000*2000) |
| 1989 |
憎Introduced CAD/CAM |
| 1993 |
Constructed Shirasaki Building that has factory area |
| May, 2002
| Opened Akita office |
| October, 2003
| Opened Akita plant |
| 2004 |
Acquired ISO 9001 (2000) |
| 2006 |
・Introduced electron microscope and 3 D image checking device |
| 2006 |
Introduced 2 router machines and introduced an injection molding machine |
| 2007 |
Introduced grinder |
| 2007
| Acquired process patent of DLC coating wafer holder and DLC coating wafer holder. |
