Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4249809 | Automatic control circuit system for cameras provided with a focal-plane shutter having front and rear screens | Kenji Kanemaru | 1981-02-10 |
| 4188551 | Amplifier circuit having photoelectric converter | Jun-ichi Mameda | 1980-02-12 |
| 4187018 | Automatic control circuit system for cameras provided with a focal-plane shutter having front and rear screens | Kenji Kanemaru | 1980-02-05 |