| May 1935 | Established. Started manufacturing cutting tools and gauges as well as processing heat treatment grinding. |
|---|---|
| June 1941 | Started manufacturing Japanese standard gauges and cutting tools as well as processing heat treatment of aircraft parts as military factory. |
| October 1957 | Switched to emphasizing construction machinery equipment production and heat treatment processing. |
| August 1962 | Designated as a Machinery Industry Special Factory by the Ishikawa Prefectural government. |
| August 1963 | Built a new plant in Nonoichi and moved all operations there. |
| March 1964 | Reorganized as a joint-stock corporation. |
| January 1976 | Designated as a Machinery Industry Factory for the Promotion of Technological Improvement by the Ishikawa Prefectural government. |
| May 1978 | Built a new factory in the Ishikawa Ironworks Complex in Matto; shifted all operations there. (land space: 14,000㎡; 5 buildings; total floor area: 4,300㎡） |
| July 1979 | Designated as a Small- and Medium-Sized Enterprise Model Factory by the Ishikawa Prefectural government. |
| January 1983 | Started manufacturing transportation equipment for logistics system. |
| August 1983 | Designated as a TQC Promotion Factory by the Ishikawa Prefectural government. |
| March 1987 | Started manufacturing multilevel parking system-related equipment. |
| April 1990 | Designated as a Strategy Promotion Factory by the Ishikawa Prefectural government. |
| November 1990 | Expanded the site of the Kanazawa factory and built a new building there.(land space: 22,920㎡; 11 buildings; total floor area: 10,350㎡） |
| October 1992 | Approved as a Machinery Equipment Installation Business by the Ishikawa Prefectural government. [NO.011879] |
| April 1995 | Expanded the site in the Ironworks Complex and built a new building there. （land space: 28,100㎡; 12 buildings; total floor area: 11,520㎡） |
| August 2000 | Acquired "ISO9001". |
| March 2002 | Issued private placement bonds. |
| September 2004 | Acquired "ISO14001". |
| December 2005 | Expanded the site of the Kanazawa factory and built two new buildings. （land space: 37,700㎡, 14 buildings, total floor area: 14,300㎡) |
| September 2012 | Started solar power generation. |  |
|---|---|---|
| November 2013 | Registration “Japan Industrial Safety & health Association GOOD SAFETY COMPANY” | |
| December 2018 | Certified as a regional future leading company by the Ministry of Economy, Trade and Industry | |
| August 2019 | Acquired "ISO45001". | |
| June 2020 | Certified as 2020 Global Niche Top 100 |
