Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888777 | Semiconductor laser control apparatus | — | 1989-12-19 |
| 4837588 | Synchronizing signal generating system for laser scanner | Susumu Imakawa | 1989-06-06 |
| 4835780 | Semiconductor laser output control circuit | Keiichi Sugimura, Kazuyuki Shimada | 1989-05-30 |