Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873572 | Electronic endoscope apparatus | Akihiko Miyazaki, Tetsuo Nonami | 1989-10-10 |
| 4870488 | Endoscope imaging system used with an electronic scope and an optical endoscope | Hiroki Hibino | 1989-09-26 |
| 4862258 | Multiple characteristic endoscope light source for frame sequential color imaging, mosaic color imaging and fiber image guide scopes | Atsushi Kidawara, Toshiaki Nishikori, Masahide Kanno, Hisao Yabe, Shinichi Katoh +1 more | 1989-08-29 |