Issued Patents 1989
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882601 | Camera with an automatic focusing device | Nishinomiya Taniguchi, Tokuji Ishida, Masataka Hamada, Toshihiko Karasaki | 1989-11-21 |
| 4862273 | Focus condition detecting device for use in a camera | Tokuji Ishida | 1989-08-29 |
| 4862204 | Focus detection device and method | Tokuji Ishida, Masataka Hamada, Toshihiko Karasaki, Nobuyuki Taniguchi | 1989-08-29 |
| 4851657 | Focus condition detecting device using weighted center or contrast evaluation | Nobuyuki Taniguchi, Tokuji Ishida, Masataka Hamada, Toshihiko Karasaki | 1989-07-25 |
| 4835615 | Image sensor with improved response characteristics | Nobuyuki Taniguchi, Toshihiko Karasaki, Tokuji Ishida, Masataka Hamada | 1989-05-30 |
| 4835562 | Focus condition detecting device | Tokuji Ishida, Masataka Hamada, Toshihiko Karasaki, Nobuyuki Taniguchi | 1989-05-30 |
| 4831403 | Automatic focus detection system | Tokuji Ishida, Masataka Hamada, Kenji Ishibashi, Nobuyuki Taniguchi, Hiroshi Ootsuka +1 more | 1989-05-16 |
| 4816861 | Focus condition detecting device | Nobuyuki Taniguchi, Tokuji Ishida, Masataka Hamada, Toshihiko Karasaki | 1989-03-28 |
| 4808808 | Focus detecting optical system including two prisms for light refraction | Toshihiko Karasaki, Tokuji Ishida, Masataka Hamada, Nobuyuki Taniguchi | 1989-02-28 |
| 4809077 | Solid state image sensor drive apparatus | Tokuji Ishida, Masataka Hamada, Toshihiko Karasaki, Nobuyuki Taniguchi | 1989-02-28 |