Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6809752 | Optical head and image forming apparatus | — | 2004-10-26 |
| 6801232 | Distance maintaining member between optical head and image drum | Norio Nakajima, Yu Kobayashi | 2004-10-05 |