Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873572 | Electronic endoscope apparatus | Akihiko Miyazaki, Yuji Ikuno | 1989-10-10 |
| 4862873 | Stereo endoscope | Akihiko Yajima, Masahiko Sasaki, Masao Uehara, Takashi Tsukaya, Kenichi Kikuchi +3 more | 1989-09-05 |