Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862208 | Information transmitting device for camera | Akira Yamada | 1989-08-29 |
| 4859842 | Multi-directional focus state detection apparatus | Yasuo Suda, Akira Akashi, Akira Ishizaki, Keiji Ohtaka, Takeshi Koyama | 1989-08-22 |
| 4833313 | Focus detecting apparatus having increased SNR by selectively varying or holding constant the number of signals from sensor arrays | Akira Akashi, Akira Ishizaki, Yasuo Suda, Keiji Ohtaka, Takeshi Koyama | 1989-05-23 |
| 4812869 | Focus detecting apparatus | Akira Akashi, Akira Ishizaki, Yasuo Suda, Keiji Ohtaka, Takeshi Koyama | 1989-03-14 |
| 4804986 | Camera | Keiji Ikemori, Masaharu Eguchi | 1989-02-14 |
| 4800410 | Focus detecting apparatus for selecting the operating process in conformity with the contrast of an object | Akira Akashi, Akira Ishizaki, Yasuo Suda, Keiji Ohtaka, Takeshi Koyama | 1989-01-24 |