Issued Patents 1989
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878076 | Exposure controlling system and interchangeable lens therefor | Nobuyuki Taniguchi, Toshihiko Karasaki, Hisashi Tokumaru, Tokuji Ishida | 1989-10-31 |
| 4864345 | Distance measuring and light measuring optical system | — | 1989-09-05 |
| 4862206 | Exposure control system | Hiroshi Ootsuka, Shinji Tominaga, Haruo Kobayashi, Shuzo Matsushita, Takeo Hoda | 1989-08-29 |
| 4843417 | Light measuring device | Tokuji Ishida, Hiroshi Ootsuka | 1989-06-27 |
| 4821074 | Exposure control device for a camera | Masaaki Nakai, Shuji Izumi, Akihiko Fujino, Nobuyuki Taniguchi, Toshio Yamaki | 1989-04-11 |
| 4806003 | Inverted-telephoto type wide angle lens system | Hisashi Tokumaru | 1989-02-21 |
| 4796043 | Multi-point photometric apparatus | Shuji Izumi, Masaaki Nakai, Akihiko Fujino, Toshio Yamaki, Nobuyuki Taniguchi | 1989-01-03 |