Issued Patents All Time
Showing 51–68 of 68 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4760418 | Flash photographing system | Yasuo Suda | 1988-07-26 |
| 4745426 | Light measuring device for a camera | Yasuo Suda | 1988-05-17 |
| 4739157 | Method of detecting the correlation between signals with weighting | Akira Akashi, Yasuo Suda, Keiji Ohtaka, Hiroshi Ohmura | 1988-04-19 |
| 4728785 | Focus detecting device using adjustable inclined sensing means | Ichiro Ohnuki, Yasuo Suda, Akira Akashi, Keiji Ohtaka, Takeshi Koyama | 1988-03-01 |
| 4716282 | Focus state detection method and apparatus with selective statistical processing | Akira Akashi, Hiroshi Ohmura, Keiji Ohtaka, Yasuo Suda | 1987-12-29 |
| 4714332 | Film data reading device | Masaharu Eguchi, Yoichi Tosaka, Ichiro Ohnuki, Yoshihiko Aihara | 1987-12-22 |
| 4701626 | Accumulation time adjusting device for photo-electric converter | Kazuhiko Arakawa | 1987-10-20 |
| 4698492 | Focus detector system with a distortion compensation mask | Keiji Ohtaka, Akira Hiramatsu, Yasuo Suda, Akira Akashi | 1987-10-06 |
| 4688920 | Focus state detecting system | Yasuo Suda, Hiroshi Ohmura, Akira Akashi, Keiji Ohtaka | 1987-08-25 |
| 4670645 | Focus detecting device with shading reduction optical filter | Keiji Ohtaka, Akira Akashi, Yasuo Suda, Akira Hiramatsu | 1987-06-02 |
| 4643557 | Exposure control apparatus | Akira Akashi, Keiji Ohtaka, Yasuo Suda, Akira Hiramatsu | 1987-02-17 |
| 4634255 | Focus detection apparatus | Yasuo Suda, Keiji Ohtaka, Akira Akashi, Akira Hiramatsu | 1987-01-06 |
| 4618236 | Focus detecting apparatus | Akira Akashi, Akira Hiramatsu, Yasuo Suda, Keiji Ohtaka | 1986-10-21 |
| 4614418 | Distance detection apparatus | Takashi Kawabata, Susumu Matsumura | 1986-09-30 |
| 4599603 | Compression type A/D converter | Shinji Sakai, Takashi Kawabata | 1986-07-08 |
| 4555169 | Focus detecting device for a camera | Yasuo Suda, Akira Akashi, Akira Hiramatsu, Keiji Ohtaka | 1985-11-26 |
| 4538892 | Automatic focus control system | Shinji Sakai, Yoshihito Harada, Takashi Kawabata | 1985-09-03 |
| 4491403 | Automatic focusing optical apparatus | Shinji Sakai, Yoshihito Harada, Takashi Kawabata | 1985-01-01 |