Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8004553 | Optical scanning device, optical scanning method, and image forming apparatus, using the optical scanning device | Eiichi Hayashi, Kan Aoki | 2011-08-23 |
| 8004554 | Plastic optical element, optical scanning device, and image forming apparatus using the optical scanning device | Eiichi Hayashi, Kan Aoki, Masafumi Furusawa, Takamichi Ohhashi | 2011-08-23 |
| 7898739 | Plastic optical element, nest structure, die, optical scan apparatus and image formation apparatus | Eiichi Hayashi, Kan Aoki, Akihiro Iwamatsu | 2011-03-01 |