Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6650454 | Multi-beam scanning optical system and image forming apparatus using the same | Manabu Kato, Yutaka Ishikawa | 2003-11-18 |
| 6628444 | Scanning optical device and image forming apparatus having the same | — | 2003-09-30 |