Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4890291 | Laser oscillator control circuit | — | 1989-12-26 |
| 4887272 | Laser oscillator device | Norio Karube, Akira Egawa, Nobuaki Iehisa, Mitsuo Manabe | 1989-12-12 |
| 4823350 | Laser device | — | 1989-04-18 |
| 4796046 | Copy machine toner fixing device | Hirosuke Suzuki, Yoshiaki Sato | 1989-01-03 |