| November 1981 | Company is founded |
|---|---|
| April 1995 | Starts handling diagnostic medical imaging equipment manufactured by Toshiba Medical Systems Corporation (Now Canon Medical Systems Corporation) |
| December 1997 | Office is moved from Shinagawa ward (Tokyo) to Minato ward (Tokyo) |
| April 2012 | Starts handling sales of dental scalers manufactured by Micron Corporation |
| March 2013 | Mariko Nakabe is inaugurated as board member |
| October 2014 | Mariko Nakabe is inaugurated as representative director |
| June 2016 | Lighting business is launched |
| January 2017 | Starts handling sales of organic LED lighting panels manufactured by OLEDWorks |
| Starts handling sales of portable ultrasound diagnostic equipment manufactured by Lequio Power Technology Corporation | |
| August 2017 | Starts handling sales of organic LED lighting manufactured by emdedesign |
| September 2017 | Class III Marketing License for Medical Devices is acquired |
| October 2017 | Wearable surgical lighting system OPELA III is released |
| January 2020 | Starts handling sales of portable medical device viewphii series manufactured by Socionext |