Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6589167 | Valve and valved trocar jacket tube | Yukihiko Tamai | 2003-07-08 |
| 6110154 | Valve and valved trocar jacket tube | Yukihiko Tamai | 2000-08-29 |
| 6077288 | Valved trocar jacket tube | Yukihiko Tamai | 2000-06-20 |