Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860113 | Camera with enhanced communication with detachable lens | Shinji Sakai | 1989-08-22 |
| 4823185 | Colorimetric circuit with storage of simultaneously detected color components | Shinji Sakai | 1989-04-18 |
| 4812727 | Stepping motor drive device | Shinji Sakai, Takashi Kawabata | 1989-03-14 |