Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4830146 | Fluid-pressure elevator | Toshihiko Nara | 1989-05-16 |
| 4809679 | Forceps plug for endoscopes | Kideki Shimonaka | 1989-03-07 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4830146 | Fluid-pressure elevator | Toshihiko Nara | 1989-05-16 |
| 4809679 | Forceps plug for endoscopes | Kideki Shimonaka | 1989-03-07 |