Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867136 | Endoscope apparatus | Akira Suzuki, Susumu Takahashi, Takeaki Nakamura, Tatsuya Yamaguchi, Takashi Tsukaya +19 more | 1989-09-19 |
| 4868644 | Electronic endoscope with solid state imaging device | Hisao Yabe | 1989-09-19 |
| 4856495 | Endoscope apparatus | Yoshikazu Tohjoh, Akira Hasegawa | 1989-08-15 |