- 1942 Established on 17th October
- 1943 Appointed as a fabrication factory for Japan Naval Technological Arsenal in Yokosuka, and entrusted with Binocular and Range Finder component production
- 1958 Start optics production for medical applications
- 1963 Began laser optics manufacturing
- 1963 Electron tube components manufacturing
- 1966 Began development of optics for laser fusion
- 1967 Awarded a secretary of Science and Technology prize for Development of the High magnification-Stereo microscope
- 1968 Completion of new Hitorizawa factory
- 1986 Began manufacturing of thin films coatings at Hitorizawa facility.
- 1991 Development of Light-weight Foamed Silica with Osaka University and ShinEtsu
- 1992 Development of Light-weight Cassegrain Mirror with Osaka Univ. & ShinEtsu Quartz Inc.
- 1997 Takayuki Okamoto inaugurated as third president
- 2003 Development of the optics LFEX Laser amplifier at ILE Osaka University
- 2004 Coating development of the anastigmat and manufacture of the compensation plate for Solar Physics Satellite “HINODE”(SOLAR-B)
- 2005 Development of Low stress and high laser damage threshold coating for Fire-X project of ILE Osaka University
- 2007 Produced first meter scale optics for pulse compression optical gratings
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Mr. Takayuki Okamoto President, Okamoto Optics Works
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