Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5367531 | Laser light beam generating apparatus | Michio Oka | 1994-11-22 |
| 5347500 | Compact optical pickup head with tracking error signal generator | — | 1994-09-13 |
| 5339324 | Laser beam generator including automatic resonator length control | Michio Oka | 1994-08-16 |
| 5289479 | Laser light beam generating apparatus | Michio Oka | 1994-02-22 |