Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5214465 | Exposure calculating apparatus | Takehiro Katoh, Akihiko Fujino, Kenji Tsuji, Shuji Izumi, Masaaki Nakai +1 more | 1993-05-25 |
| 5162835 | Exposure calculating apparatus | Takehiro Katoh, Akihiko Fujino, Kenji Tsuji, Shuji Izumi, Masaaki Nakai +1 more | 1992-11-10 |
| 5144359 | Aperture value determining device for a flash system | Kohtaro Hayashi, Toshihiko Karasaki, Koji Hata | 1992-09-01 |
| 5142317 | Exposure calculating apparatus | Takehiro Katoh, Akihiko Fujino, Kenji Tsuji, Shuji Izumi, Masaaki Nakai +1 more | 1992-08-25 |
| 5097281 | Exposure calculating apparatus | Takehiro Katoh, Akihiko Fujino, Kenji Tsuji, Shuji Izumi, Masaki Nakai +1 more | 1992-03-17 |
| 5051769 | Flash system | Kohtaro Hayashi, Toshihiko Karasaki, Koji Hata | 1991-09-24 |
| 5040014 | Camera system | Koji Hata, Shinichi Nishimura, Toshihiko Ishimura, Takehiro Katoh, Masaaki Nakai | 1991-08-13 |
| 5023649 | Exposure controlling apparatus of a camera having a plurality of areas for measuring brightness | Kohtaro Hayashi, Toshihiko Karasaki, Hiromu Mukai, Koji Hata, Masayuki Ikemura | 1991-06-11 |
| 4994844 | Camera system | Yoshihiko Azuma, Takehiro Katoh, Masayasu Hirano, Hiroshi Ootsuka, Takeshi Egawa +3 more | 1991-02-19 |
| 4984006 | Brightness measuring apparatus for providing adequate object brightness and a flashlight emission apparatus providing adequate exposure, irrespective of photographing conditions | Masayuki Ikemura, Takehiko Karasaki, Manabu Inoue, Takehiro Katoh, Koji Hata | 1991-01-08 |
| 4977423 | Exposure calculating apparatus | Takehiro Katch, Akihiko Fujino, Kenji Tsuji, Shuji Izumi, Masaaki Nakai +1 more | 1990-12-11 |
| 4937601 | Winding and rewinding apparatus | Yoshihiko Azuma, Takehiro Katoh, Masayasu Hirano, Hiroshi Ootsuka, Takeshi Egawa +3 more | 1990-06-26 |