Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4799791 | Illuminance distribution measuring system | Masakatsu Ota, Akiyoshi Suzuki | 1989-01-24 |
| 4717242 | Illumination optical system | Takashi Omata | 1988-01-05 |
| 4626449 | Method for forming deposition film | Yutaka Hirai, Masafumi Sano, Hisanori Tsuda, Katsuji Takasu | 1986-12-02 |