Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4830478 | Video projector lens system | Kazuo Yamakawa | 1989-05-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4830478 | Video projector lens system | Kazuo Yamakawa | 1989-05-16 |