| June 1976 |
Started business in Hoya city Tokyo . |
| November 1980 |
It makes to the corporation by the capital JPY6 million, the Tokyo Office is established in Ota-Ku, and sales of the equipment are added on business. |
| April 1982 |
The Osaka Office is established in Yodogawa-Ku Osaka City as a office and factory for its own design and manufacturing. |
| May 1984 |
Fumio Otake assumes the position of the President & CEO by the election of officers. |
| November 1987 |
Headquarters is moved from Nerima-Ku Tokyo to Hoya City Tokyo. |
| June 1989 |
Osaka office is moved to Fushimi-Ku Kyoto City for the production factory expansion and it is changed the title as the Kansai Office. |
| November 1991 |
Kansai office is moved from Kyoto City to the Nara City . |
| January 1996 |
Taiwan Office established. |
| April 1997 |
Tohoku Office established in Yamagata . |
| November 1999 |
Tohoku office is made to become independent, and F-tech Opto is established. |
| April 2000 |
Korea Office established. |
| August 2000 |
Headquarters is moved from Tokyo to Kyotanabe city Kyoto . Tokyo headquarters changed the title as the Tokyo Office. |
| November 2000 |
Merged I-Tech Opto as a group company. |
| June 2001 |
R&D Center established in Kyotanabe City Kyoto. |
| December 2001 |
China Office established. |
| May 2002 |
North America Office established in Canada . |
| November 2002 |
F-Tech Opto is amalgamated, and the capital is assumed to be 83.5 million.
Opto Engineering established in Kyotanabe City Kyoto. |
| October 2003 |
North America Office is moved from Canada to SF, and it is changed the title as the America Office. |
| November 2004 |
I-Tech Opto is amalgamated , and it makes it to the Kita-Kyoto office. |
| April 2005 |
Thinkx is amalgamated, and it makes it to the Niigata Office. |
| November 2006 |
America Office is moved from SF to NC. |