Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6466247 | Timing control of light beam scan | Shunji Kitagawa | 2002-10-15 |
| 6411325 | Optical unit, and electrophotographic recording device having same | Yukihiro Matsushita | 2002-06-25 |