Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860631 | Outer tubular envelope for inserting apparatus | — | 1989-08-29 |
| 4771766 | Guide tube assembly of endoscope | Mitsuru Sato | 1988-09-20 |
| 4241729 | Endoscope with gas-tight cap permitting pressurization | — | 1980-12-30 |
| 4216767 | Endoscope with closed pressurized inner cavity | — | 1980-08-12 |