Issued Patents All Time
Showing 51–55 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8081203 | Light-amount detecting device, light source device, optical scanning unit and image forming apparatus | Tomohiro Nakajima, Satoru Itoh, Daisuke Ichii, Masahiro Soeda, Yoshinori Hayashi | 2011-12-20 |
| 7898709 | Optical scan apparatus, image formation apparatus, optical deflector manufacturing method, polygon mirror processing method, and polygon mirror processing apparatus | Yukio Itami, Hisashi Inada, Kiyofumi Arai, Takeshi Kikuchi, Yoshihiro Takahashi +1 more | 2011-03-01 |
| 7813020 | Hydrodynamic bearing unit, and optical deflector, optical scanner and image forming apparatus using the same | Yukio Itami, Yoshihiro Takahashi, Tomotaka Takamura, Noriyuki Kadowaki | 2010-10-12 |
| 7671884 | Rotary drive apparatus, optical scan apparatus, and image formation apparatus | Yukio Itami, Yoshihiro Takahashi, Tomotaka Takamura | 2010-03-02 |
| 7602540 | Optical deflector, optical scanner, and image forming apparatus | Yukio Itami, Yoshihiro Takahashi, Tomotaka Takamura | 2009-10-13 |