Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8408709 | Illumination optical system and projector | Yasumasa Sawai | 2013-04-02 |
| 6809780 | Projector with fan controller | Yasumasa Sawai, Satoshi Onishi, Kazuhiko Inoue, Hideki Nagata | 2004-10-26 |
| 6618081 | Image acquisition device removing distortion in image signals | Sinji Harada, Takahiro MOURI, Masumi Shoji | 2003-09-09 |
| 6561655 | Projector | Satoshi Onishi, Kazuhiko Inoue, Yasumasa Sawai, Hideki Nagata | 2003-05-13 |
| 5321717 | Diode laser having minimal beam diameter and optics | Yoshifumi Adachi | 1994-06-14 |
| 5245402 | General aspherical surface optical testing device | — | 1993-09-14 |
| 5187539 | Mirror surface characteristic testing | Stephen Blaine Coffman | 1993-02-16 |
| 5076689 | Off axis mirror alignment | — | 1991-12-31 |
| 4846944 | Process for figuring the surface of a metal mirror | — | 1989-07-11 |
| 4692003 | Real-time analysis keratometer | Yoshifumi Adachi, Robert E. Frazer | 1987-09-08 |
| 4609258 | Diode laser collimator | Yahiko Yamada | 1986-09-02 |
| 4247600 | Metallized plastic camera housing and method | — | 1981-01-27 |