| 1979 May |
Established |
 |
|
| 1982 Aug. |
Capital increased to 12million yen |
|
|
| 1989 Feb. |
Office building constructed |
|
|
| 1991 Sept. |
Capital increased to 20million yen |
|
|
| 1994 July |
Capital increased to 30 million yen |
|
|
| 1998 Dec. |
Capital increased to 40 million yen |
|
|
| 2010 Aug. |
Nagoya office opened |
|
|
