Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4844584 | Semiconductor laser beam splitting device | — | 1989-07-04 |
| 4832446 | Laser optical system | — | 1989-05-23 |
| 4832469 | Optical system for semiconductor laser beam | Masaru Noguchi | 1989-05-23 |
| 4807992 | Method of detecting semiconductor laser mode hopping and semiconductor laser beam source apparatus | Masaru Noguchi, Kazuo Horikawa | 1989-02-28 |