Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837588 | Synchronizing signal generating system for laser scanner | Yoshinobu Takeyama | 1989-06-06 |
| 4834477 | Method of controlling the temperature of semiconductor laser in an optical device | Satoru Tomita | 1989-05-30 |