Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875763 | Video projector lens system | — | 1989-10-24 |
| 4830478 | Video projector lens system | Kazuhito Aoki | 1989-05-16 |
| 4799747 | Tilt error corrective scanning optical system | — | 1989-01-24 |