Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876556 | Beam recorder with a temperature sensor for light quantity control | — | 1989-10-24 |
| 4858019 | Light scanning recording device | Hideo Watanabe | 1989-08-15 |
| 4814791 | Laser beam scanning method for maintaining a linear beam intensity over the led and laser oscilation regions and implementing apparatus | Hideo Watanabe, Takashi Shoji | 1989-03-21 |