| February 1989 | 
Started business | 
| April 1991 | 
Built Shiga Factory | 
| April 1992 | 
Opened Tokyo Branch Office | 
| October 1992 | 
Received Kyoto Venture Grand Prize
  | 
| May 1993 | 
Opened Shimaya Development Laboratory | 
| November 1993 | 
Received fund from Venture Business Promoting Fund Foundation | 
| December 1993 | 
Opened New York Branch Office | 
| December 1995 | 
Obtained a $300,000 fund from FORECS (warrant issued) | 
| February 1996 | 
Built Shimaya Factory | 
| April 1996 | 
Incorporated Sigmax International Inc. in Manhattan, New York | 
| December 1996 | 
Obtained “Excellent Award” at Osaka Venture Business Competition ’96 and $250,000 fund from Osaka City as an extra prize
  | 
| February 1997 | 
Obtained $42,000 as a Reserch & Developing subsidy | 
| May 1998 | 
Moved the development laboratory from the Shimaya business incubator to Shiga factory | 
| October 1999 | 
Obtained approval under the “Creative Activity Law for Small and Middle-sized Enterprises” | 
| February 2000 | 
Obtained “Fukuda Special Award of the Japan Invention Award”
  | 
| August 2000 | 
Rebuilt Shiga factory | 
| June 2003 | 
Relocated head office to 1-4-8 Tosabori Nishi-ku Osaka | 
| April 2013 | 
Annex I completed in Shiga Plant
  | 
| March 2018 | 
SIGMAX INTERNATIONAL closed and overseas operations transferred to the head office | 
| October 2018 | 
Annex II completed in Shiga Plant
  | 
| April 2025 | 
A new building was constructed on the Shiga factory site and operations began as a new factory.
  | 
| June 2025 | 
Presidential transition, Mr.Kyohei Komi succeeded Mr.Minoru Yamano on 1st. |