| December 1992 | Founded in Hongo, Bunkyo Ward, Tokyo |
| April 1993 | Sendai Sales Office opened |
| August 1993 | Nagoya Sales Office opened |
| September 1993 | Osaka Sales Office opened |
| June 1994 | Fukuoka Sales Office opened |
| August 1996 | Okayama Sales Office opened |
| July 1998 | Sapporo Sales Office opened |
| October 1999 |
Tokyo Sales Office divided from the Head Office The Head Office moved to 2-chome, Hongo, Bunkyo Ward, Tokyo (Current address) |
| November 2000 | Logistic center established at Misuji, Taito Ward, Tokyo |
| October 2003 | Logistic center moved to Tatekawa, Sumida Ward, Tokyo |
| May 2006 | Obtained the ISO13485 certification |
| October 2006 |
Logistic Center moved to Kojima, Taito Ward, Tokyo Service Center established in the Logistic Center |
| November 2010 | Tokyo Sales Office moved to 2-chome, Hongo, Bunkyo Ward, Tokyo |
| February 2017 | Logistic Center moved to Heiwajima, Ota Ward, Tokyo |
| May 2017 | Service Center moved to Ueno, Taito Ward, Tokyo |
| November 2017 | Became a wholly owned subsidiary of M3,Inc |