Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882623 | Signal processing apparatus for endoscope capable of changing outline enhancement frequency | — | 1989-11-21 |
| 4868647 | Electronic endoscopic apparatus isolated by differential type drive means | Masao Uehara, Jun Hasegawa, Masahiko Sasaki, Masahide Kanno, Shinji Yamashita +1 more | 1989-09-19 |
| 4816909 | Video endoscope system for use with different sizes of solid state devices | Kenji Kimura, Masao Uehara, Hiroki Hibino, Jun Hasegawa, Masahide Kanno +3 more | 1989-03-28 |