Issued Patents 1989
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882601 | Camera with an automatic focusing device | Nishinomiya Taniguchi, Tokuji Ishida, Toshio Norita, Masataka Hamada | 1989-11-21 |
| 4878079 | Focus detecting device | Masataka Hamada, Toru Matsui, Yukio Maekawa | 1989-10-31 |
| 4878076 | Exposure controlling system and interchangeable lens therefor | Nobuyuki Taniguchi, Hiromu Mukai, Hisashi Tokumaru, Tokuji Ishida | 1989-10-31 |
| 4862204 | Focus detection device and method | Tokuji Ishida, Masataka Hamada, Toshio Norita, Nobuyuki Taniguchi | 1989-08-29 |
| 4857720 | Focus detecting system using multiple portions of the image to be focussed | — | 1989-08-15 |
| 4857718 | Focus detecting device | Kazumi Sugitani | 1989-08-15 |
| 4851657 | Focus condition detecting device using weighted center or contrast evaluation | Nobuyuki Taniguchi, Tokuji Ishida, Masataka Hamada, Toshio Norita | 1989-07-25 |
| 4845353 | Focus detecting system | — | 1989-07-04 |
| 4835562 | Focus condition detecting device | Toshio Norita, Tokuji Ishida, Masataka Hamada, Nobuyuki Taniguchi | 1989-05-30 |
| 4835615 | Image sensor with improved response characteristics | Nobuyuki Taniguchi, Tokuji Ishida, Masataka Hamada, Toshio Norita | 1989-05-30 |
| 4831403 | Automatic focus detection system | Tokuji Ishida, Masataka Hamada, Kenji Ishibashi, Nobuyuki Taniguchi, Hiroshi Ootsuka +1 more | 1989-05-16 |
| 4818865 | Focus detecting system for camera utilizing correction data on the aberration of the photographic lens | Toru Matsui | 1989-04-04 |
| 4816861 | Focus condition detecting device | Nobuyuki Taniguchi, Tokuji Ishida, Masataka Hamada, Toshio Norita | 1989-03-28 |
| 4808808 | Focus detecting optical system including two prisms for light refraction | Tokuji Ishida, Masataka Hamada, Toshio Norita, Nobuyuki Taniguchi | 1989-02-28 |
| 4809077 | Solid state image sensor drive apparatus | Toshio Norita, Tokuji Ishida, Masataka Hamada, Nobuyuki Taniguchi | 1989-02-28 |