Issued Patents 1989
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888609 | Automatic focus adjusting apparatus | Tokuji Ishida, Yasuaki Akada | 1989-12-19 |
| 4882601 | Camera with an automatic focusing device | Nishinomiya Taniguchi, Tokuji Ishida, Toshio Norita, Toshihiko Karasaki | 1989-11-21 |
| 4878079 | Focus detecting device | Toshihiko Karasaki, Toru Matsui, Yukio Maekawa | 1989-10-31 |
| 4864117 | Device with a discriminating priority system | Tokuji Ishida, Katsumi Kozakai | 1989-09-05 |
| 4862204 | Focus detection device and method | Tokuji Ishida, Toshihiko Karasaki, Toshio Norita, Nobuyuki Taniguchi | 1989-08-29 |
| 4860045 | Automatic focusing device | Tokuji Ishida | 1989-08-22 |
| 4851657 | Focus condition detecting device using weighted center or contrast evaluation | Nobuyuki Taniguchi, Tokuji Ishida, Toshihiko Karasaki, Toshio Norita | 1989-07-25 |
| 4835615 | Image sensor with improved response characteristics | Nobuyuki Taniguchi, Toshihiko Karasaki, Tokuji Ishida, Toshio Norita | 1989-05-30 |
| 4835562 | Focus condition detecting device | Toshio Norita, Tokuji Ishida, Toshihiko Karasaki, Nobuyuki Taniguchi | 1989-05-30 |
| 4831403 | Automatic focus detection system | Tokuji Ishida, Kenji Ishibashi, Nobuyuki Taniguchi, Hiroshi Ootsuka, Toshio Norita +1 more | 1989-05-16 |
| 4829170 | Digital focus detecting device | Tokuji Ishida, Katsumi Kozakai | 1989-05-09 |
| 4816861 | Focus condition detecting device | Nobuyuki Taniguchi, Tokuji Ishida, Toshihiko Karasaki, Toshio Norita | 1989-03-28 |
| 4816856 | Automatic focus control device | Tokuji Ishida, Kenji Ishibashi, Nobuyuki Taniguchi, Hiroshi Ootsuka | 1989-03-28 |
| 4812912 | Focus detection condition display device for camera | Takashi Iida, Masatoshi Itoh, Hidenori Fukuoka, Takeya Tsukamoto, Kenji Ishibashi +1 more | 1989-03-14 |
| 4809077 | Solid state image sensor drive apparatus | Toshio Norita, Tokuji Ishida, Toshihiko Karasaki, Nobuyuki Taniguchi | 1989-02-28 |
| 4808808 | Focus detecting optical system including two prisms for light refraction | Toshihiko Karasaki, Tokuji Ishida, Toshio Norita, Nobuyuki Taniguchi | 1989-02-28 |