Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10718938 | Optical scanning device, image display device, heads-up display, and mobile object | — | 2020-07-21 |
| 9471028 | Optical scanning device and image forming apparatus | Kazunori Watanabe, Yoshinobu Sakaue, Susumu Narita | 2016-10-18 |
| 9436004 | Optical scanning device and image forming apparatus | Keiichi Serizawa, Daisuke Yoshida, Kazunori Watanabe | 2016-09-06 |
| 9360790 | Optical scanning device and image forming apparatus | Yoshinobu Sakaue, Kazunori Watanabe, Susumu Narita | 2016-06-07 |
| 9333766 | Optical scanner with housing to support light sources and image forming apparatus incorporating same | Kazunori Watanabe, Keiichi Serizawa, Shuji Takamatsu | 2016-05-10 |
| 9298121 | Optical scanning device and image forming apparatus | Kazunori Watanabe, Yoshinobu Sakaue, Susumu Narita | 2016-03-29 |
| 9261698 | Optical scanner and image forming apparatus including same | Kazunori Watanabe, Keiichi Serizawa | 2016-02-16 |
| 9207629 | Image forming apparatus having a biasing member having a release state and a locked state in which a detachable attachable unit is secured to an apparatus body | Yoshinobu Sakaue | 2015-12-08 |
| 9170523 | Optical scanning apparatus, method for performing the same and image forming apparatus | Keiichi Serizawa, Daisuke Yoshida, Kazunori Watanabe | 2015-10-27 |
| 8928709 | Optical scanner and image forming apparatus including same | Keiichi Serizawa, Kazunori Watanabe | 2015-01-06 |
| 8754918 | Optical scanner and image forming apparatus including same | Takeshi Yamakawa, Keiichi Serizawa, Kazunori Watanabe | 2014-06-17 |
| 8711195 | Optical writer and image forming apparatus including same | Keiichi Serizawa, Kazunori Watanabe | 2014-04-29 |
| 8610753 | Optical scanner and image forming apparatus including same | Keiichi Serizawa, Takeshi Yamakawa, Kazunori Watanabe, Tomoya FUJII | 2013-12-17 |
| 8503055 | Curve correction mechanism, optical scanner, and image forming apparatus | Keiichi Serizawa, Takeshi Yamakawa, Kazunori Watanabe | 2013-08-06 |
| 8456716 | Light source unit, optical scanner including same, and image forming apparatus including the optical scanner | Kazunori Watanabe | 2013-06-04 |
| 8368986 | Optical scanning device and image forming apparatus | Keiichi Serizawa, Takeshi Yamakawa, Kazunori Watanabe | 2013-02-05 |
| 8184352 | Optical scanning device and image forming apparatus | Takeshi Yamakawa, Keiichi Serizawa, Kazunori Watanabe | 2012-05-22 |