Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5217299 | Reflection type lighting apparatus | Kazushi Yoshida | 1993-06-08 |
| 5038162 | Still camera | — | 1991-08-06 |
| 5005968 | Contrast decreasing apparatus in image forming optical system | Ryota Ogawa, Makoto Sato | 1991-04-09 |
| 4998191 | Illuminating optical device | Ryota Ogawa | 1991-03-05 |
| 4981352 | Projection display device | Takashi Iizuka, Hideki Nakamura | 1991-01-01 |
| 4949115 | Automatic focusing projector | Akihiro Arai, Hideaki Yuda, Saburo Sugawara, Shigeo Toji | 1990-08-14 |
| 4936657 | Projection type liquid-crystal video display device using a fresnel lens | Ryota Ogawa | 1990-06-26 |
| 4918476 | Still camera | — | 1990-04-17 |
| 4905034 | Automatic focusing projector | Akihiro Arai, Hideaki Yuda, Saburoh Sugawara, Shigeo Tohji | 1990-02-27 |
| 4870442 | Auxiliary light projecting apparatus for a focus detecting system | Saburo Sugawara, Hideaki Yuda | 1989-09-26 |
| 4771308 | Auxiliary light projecting apparatus for a focus detecting system | Saburo Sugawara, Hideaki Yuda | 1988-09-13 |