Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870950 | Endoscope system | Kouji Kanbara, Kenichi Kikuchi, Yoshihito Shimizu, Yoshikazu Tojo, Akira Hasegawa +6 more | 1989-10-03 |
| 4867136 | Endoscope apparatus | Akira Suzuki, Susumu Takahashi, Takeaki Nakamura, Tatsuya Yamaguchi, Takashi Tsukaya +19 more | 1989-09-19 |
| 4801792 | Endoscope | Nobuo Yamasita, Iwao Kanamori | 1989-01-31 |