| June 1975 |
Founded with capital 5 million yen to Komatsu Ryusuke-cho address 117 |
| October 1979 |
Capital increase to 15 million yen |
| March 1982 |
Capital increase to 30 million yen |
| August 1987 |
Development Center opened in Komatsu Dairyo-cho, Tsu 35 |
| November 1995 |
Building new construction moved to Komatsu Ryusuke-cho, 135 address |
| June 1996 |
Osaka sales office opened |
| June 1998 |
Tokyo sales office opened |
| July 2004 |
Hiraomote factory new construction, Co., Ltd. Mutsumi Development Center relocation |
| October 2007 |
Moved to Daikanyama the Tokyo office as Tokyo Branch (opened an antenna shop) |
| April 2008 |
Dairyo factory MPM opening |
| March 2012 |
Tokyo Branch Minami Aoyama closed |
