Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4621918 | Compensation for diaphragm control in SLR camera | Masahiro Kawasaki, Zenichi Okura | 1986-11-11 |
| 4589750 | Adapter for connecting single-lens reflex camera lens to video camera | Yasumasa Tomori, Sadao Okudaira, Harumi Aoki, Tahei Morisawa | 1986-05-20 |
| 4577952 | Photographic camera having a diaphragm actuator with preliminary displacement for lens compensation | Zenichi Okura, Masahiro Kawasaki | 1986-03-25 |
| 4558368 | Stop control apparatus for electronic camera | Harumi Aoki, Shigeo Enomoto, Tahei Morisawa | 1985-12-10 |
| 4477161 | Compensator system for diaphragm control in a single-lens reflex camera of interchangeable lens type | Masahiro Kawasaki, Zenichi Okura | 1984-10-16 |
| 4440403 | Drop-proof and dust-proof device in rotary operation section of camera | Junji Umetsu | 1984-04-03 |
| 4429973 | Compensation for diaphragm control for SLR camera | Masahiro Kawasaki, Yasumasa Tomori | 1984-02-07 |
| 4395106 | Compensation for diaphragm control in SLR camera | Masahiro Kawasaki, Zenichi Okura | 1983-07-26 |
| 4239360 | Indication device in the finder of a single-lens reflex camera | — | 1980-12-16 |
| 4222651 | Camera film rewinding device | Takumi Kobayashi | 1980-09-16 |
| 4212525 | Release device in a camera having a motor drive unit | Akihiro Arai, Takumi Kobayashi, Eiji Yamamori, Junji Umetsu | 1980-07-15 |
| 4209247 | Environmentally protected camera with an interchangeable drawing type finder | Akihiro Arai, Takumi Kobayashi, Eiji Yamamori, Norimichi Takahashi, Junji Umetsu | 1980-06-24 |
| 4208118 | Moisture and dust proof sealing arrangement for camera body rear cover | Junji Umetsu | 1980-06-17 |
| 4202617 | Shutter release security device in motor drive camera | Akihiro Arai, Takumi Kobayashi, Junji Umetsu | 1980-05-13 |
| 4201462 | Lens barrel having an aperture information transmission section | Naoyuki Uno, Eiichi Tano, Hiroshi Kurei | 1980-05-06 |
| 4191463 | Counter device for multiple exposure in a camera | Keisuke Haraguchi, Akihiro Arai | 1980-03-04 |
| 4181411 | Indicator device used in camera to indicate exposure values within a finder | Naoyuki Uno, Tetsuji Shono, Masahiro Kawasaki | 1980-01-01 |