Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877955 | Optical unit with detachably-mounted optics to maintain hermetic sealing of the unit | — | 1989-10-31 |
| 4873435 | Laser beam scanning system | Masafumi Yamamoto | 1989-10-10 |
| 4849631 | Apparatus for recording, reading and reproducing radiation image information | — | 1989-07-18 |