Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5643174 | Endoscopic guide tube with embedded coil spring | Manabu Yamamoto, Yasunobu Izumi | 1997-07-01 |
| 5507797 | Slidable kit for endoscopic ligation | Yasunobu Izumi | 1996-04-16 |