Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8004554 | Plastic optical element, optical scanning device, and image forming apparatus using the optical scanning device | Go Takahashi, Eiichi Hayashi, Kan Aoki, Takamichi Ohhashi | 2011-08-23 |