Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7394582 | Rotary deflector, optical scanning unit and image forming apparatus | Takahiko Kobayashi, Tehli Shao, Masahiko Otsu | 2008-07-01 |
| 6980340 | Rotary deflector, optical scanning unit and image forming apparatus | Takahiko Kobayashi, Tehli Shao, Masahiko Otsu | 2005-12-27 |