Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884134 | Video endoscope apparatus employing device shutter | Kiyoshi Tsuji, Kenji Kimura | 1989-11-28 |
| 4853767 | Color graphic image processing system involving data compression using reference samples | Toshiyuki Sakai, Keiichiro Hyodo | 1989-08-01 |