Issued Patents All Time
Showing 1–25 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9864164 | Optical deflector, method for mirror finishing of mirror by cutting, and light detection and ranging device | Shigeaki Imai, Tadashi Nakamura | 2018-01-09 |
| 9851559 | Optical scanning unit and image forming apparatus | Yoshinori Hayashi, Naoki Miyatake, Yukihisa Yokoyama | 2017-12-26 |
| 9846236 | Optical scanner, object detector, and sensing apparatus | Shigeaki Imai, Masataka Uehira, Kohji Sakai, Tadashi Nakamura | 2017-12-19 |
| 9804385 | Object detector and sensing apparatus | Shigeaki Imai, Tadashi Nakamura | 2017-10-31 |
| 9470999 | Optical deflector, optical scanning apparatus, and image forming apparatus | — | 2016-10-18 |
| 9323171 | Optical scanning device including a rotating polygon mirror and image forming apparatus incorporating same | Yukihisa Yokoyama, Naoki Miyatake | 2016-04-26 |
| 9304315 | Optical scanning unit and image forming apparatus | Yoshinori Hayashi, Naoki Miyatake, Yukihisa Yokoyama | 2016-04-05 |
| 9229225 | Optical scanning device and image forming apparatus | Tadashi Nakamura | 2016-01-05 |
| 9116351 | Optical scanning device and image forming apparatus | Shigeaki Imai, Kensuke Masuda | 2015-08-25 |
| 9116457 | Optical deflector, optical scanning apparatus, and image forming apparatus | — | 2015-08-25 |
| 9069174 | Optical scanning unit and image forming apparatus | Yoshinori Hayashi, Naoki Miyatake, Yukihisa Yokoyama | 2015-06-30 |
| 9019333 | Optical scanning apparatus and image forming apparatus utilizing a rotational polygon mirror | Yoshinori Hayashi, Naoki Miyatake, Naoto Watanabe, Yukihisa Yokoyama | 2015-04-28 |
| 8928716 | Optical scanning device and image forming apparatus in which a plurality of scanning optical systems except one include a reflecting mirror | Tadashi Nakamura, Toshiaki Tokita, Taku Amada, Shingo Tachikawa | 2015-01-06 |
| 8896649 | Optical scanning device and image forming apparatus | Kensuke Masuda, Shigeaki Imai | 2014-11-25 |
| 8896898 | Optical deflector, optical scanning apparatus, and image forming apparatus | — | 2014-11-25 |
| 8743445 | Optical deflector, optical scanning apparatus, and image forming apparatus | — | 2014-06-03 |
| 8416483 | Optical deflector, optical scanning apparatus, and image forming apparatus | — | 2013-04-09 |
| 8169458 | Optical scanning device and image forming apparatus | Tomoya Ohsugi, Magane Aoki, Tomohiro Nakajima, Yoshinori Hayashi, Naoki Miyatake +3 more | 2012-05-01 |
| 7898709 | Optical scan apparatus, image formation apparatus, optical deflector manufacturing method, polygon mirror processing method, and polygon mirror processing apparatus | Kensuke Masuda, 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 | Kensuke Masuda, Yoshihiro Takahashi, Tomotaka Takamura, Noriyuki Kadowaki | 2010-10-12 |
| 7679801 | Optical deflector, method of manufacturing optical deflector, optical scanning apparatus, and image forming apparatus | — | 2010-03-16 |
| 7671884 | Rotary drive apparatus, optical scan apparatus, and image formation apparatus | Kensuke Masuda, Yoshihiro Takahashi, Tomotaka Takamura | 2010-03-02 |
| 7602540 | Optical deflector, optical scanner, and image forming apparatus | Kensuke Masuda, Yoshihiro Takahashi, Tomotaka Takamura | 2009-10-13 |
| 7586660 | DC brushless motor, light deflector optical scanning device, having an increased efficiency to reduce power consumption and heat generation using exactly six poles and stator with nine teeth and corresponding coils | — | 2009-09-08 |
| 7420723 | Optical deflector, production method thereof, optical scanning device, and image forming apparatus | Kazuhiro Koseki, Makoto Endo, Yoshihiro Takahashi, Tomotaka Takamura, Noriyuki Kadowaki +4 more | 2008-09-02 |