| February 1981
|
Founded with a capital of 3million yen at Naniwa Toushiba building |
|---|---|
| September 1981 | Relocated to Toushiba Edobori building |
| June 1982 | Relocated to Sanyou building |
| June 1982 | Capital increased to 8million yen |
| October 1982 | Capital increased to 10million yen |
| September 2000 | Opened Tokyo Sales Office |
| September 2012 | Capital increased to 11.6million yen |
| September 2013 | Capital increased to 13.424million yen |
| June 2019 | Relocated to the current head office location |