Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5245379 | Exposure value setting device for a camera | Yoshihiko Azuma, Takehiro Katoh, Hiroshi Ootsuka, Toshihiko Ishimura, Masataka Hamada +2 more | 1993-09-14 |
| 5159383 | Focus detecting device | Tokuji Ishida, Masataka Hamada | 1992-10-27 |
| 5107291 | Focus detecting device | Tokuji Ishida, Masataka Hamada | 1992-04-21 |
| 5053800 | Automatic focus detecting apparatus | Tokuji Ishida, Masataka Hamada, Toshio Norita, Masayuki Ueyama, Hiroshi Ootsuka +2 more | 1991-10-01 |
| 5019851 | Camera system | Yoshihiko Azuma, Takehiro Katoh, Hiroshi Ootsuka, Toshihiko Ishimura, Masataka Hamada +2 more | 1991-05-28 |
| 4974011 | Camera system | Yoshihiko Azuma, Takehiro Katoh, Hiroshi Ootsuka, Toshihiko Ishimura, Masataka Hamada +2 more | 1990-11-27 |
| 4974005 | Light measuring and distance measuring apparatus for camera | Shuji Izumi, Toshihiko Ishimura, Reiji Seki, Shinichi Nishimura | 1990-11-27 |
| 4952965 | Automatic focus detecting apparatus | Tokuji Ishida, Masataka Hamada, Toshio Norita, Masayuki Ueyama, Hiroshi Ootsuka +2 more | 1990-08-28 |
| 4935765 | Automatic focus detecting apparatus | Tokuji Ishida, Masataka Hamada, Toshio Norita, Masayuki Ueyama, Hiroshi Ootsuka +2 more | 1990-06-19 |
| 4864117 | Device with a discriminating priority system | Tokuji Ishida, Masataka Hamada | 1989-09-05 |
| 4829170 | Digital focus detecting device | Tokuji Ishida, Masataka Hamada | 1989-05-09 |
| 4766302 | Focus detecting device including means for determining a priority of correlation calculations | Tokuji Ishida, Masataka Hamada | 1988-08-23 |