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 |
| 4867138 | Rigid electronic endoscope | Tetsumaru Kubota, Takeaki Nakamura, Hitoshi Karasawa, Hiroyuki Kusunoki, Tadao Hagino +4 more | 1989-09-19 |
| 4806001 | Objective for an endoscope | Akira Yokota, Kimihiko Nishioka | 1989-02-21 |