Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879992 | Rigid electronic endoscope | Shinichi Nishigaki, Takeaki Nakamura, Jun Yoshinaga, Masahide Kanno, Hisao Yabe +3 more | 1989-11-14 |
| 4862872 | Endoscope and endoscope washing apparatus | Hisao Yabe, Masahide Kanno, Jun Yoshinaga, Takeshi Yokoi, Kazuhiko Ozeki +3 more | 1989-09-05 |
| 4862873 | Stereo endoscope | Akihiko Yajima, Tetsuo Nonami, Masahiko Sasaki, Masao Uehara, Takashi Tsukaya +3 more | 1989-09-05 |
| 4803550 | Imaging apparatus having illumination means | Hisao Yabe, Kenji Kimura, Masahide Kanno, Kiyoshi Tsuji, Jun Yoshinaga +5 more | 1989-02-07 |