Issued Patents All Time
Showing 26–50 of 83 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9235154 | Image forming method of exposing the surface of an image carrier with light and image forming apparatus | Hiroyuki Suhara, Hiroaki Tanaka | 2016-01-12 |
| 8922863 | Optical scanning device and image forming apparatus | Toshiaki Tokita, Nobuaki Kubo, Naoto Watanabe | 2014-12-30 |
| 8913096 | Optical scanning device and image forming apparatus | — | 2014-12-16 |
| 8848009 | Optical scanning device and image forming apparatus | Naoto Watanabe, Toshiaki Tokita, Nobuaki Kubo | 2014-09-30 |
| 8786658 | Exposure device and image forming apparatus | Nobuaki Kubo, Toshiaki Tokita, Naoto Watanabe, Tomohiro Nakajima, Yorichika Ishiyama | 2014-07-22 |
| 8441513 | Light source device and image forming apparatus | — | 2013-05-14 |
| 8390908 | Optical scanning apparatus, and image forming apparatus | — | 2013-03-05 |
| 8169455 | Optical scanning device, image forming apparatus, control method, and computer program product | Yoshinori Hayashi | 2012-05-01 |
| 8170058 | Communications device, communications method, and storage medium | Kota Tanaka, Fumihiro Fukae, Hitoshi Naoe, Atsuhiro Doi | 2012-05-01 |
| 8077369 | Optical scanning device, optical writing device, and image forming apparatus | Yoshinori Hayashi, Takeshi Ueda, Daisuke Ichii, Kenichiroh Saisho | 2011-12-13 |
| 8020054 | Test apparatus and test method | — | 2011-09-13 |
| 8009342 | Optical scanning device, image forming apparatus, and controlling method | — | 2011-08-30 |
| 7973990 | Optical scanning device, optical writing device, and image forming apparatus | Yoshinori Hayashi, Takeshi Ueda, Daisuke Ichii, Kenichiroh Saisho | 2011-07-05 |
| 7876486 | Optical scanning apparatus, optical writing apparatus, and image forming apparatus | Kenichiroh Saisho | 2011-01-25 |
| 7843482 | Multi-beam optical scanning device and image forming apparatus | Takeshi Ueda, Yoshinori Hayashi | 2010-11-30 |
| 7688491 | Diffractive-optical element, scanning optical system, optical scanner, and image forming apparatus | Kenichiro Saisho, Yoshinori Hayashi | 2010-03-30 |
| 7672032 | Optical scanner and image forming apparatus using optical scanner | Yoshinori Hayashi, Takeshi Ueda, Daisuke Ichii, Kenichiroh Saisho | 2010-03-02 |
| 7663657 | Optical scanning device and image forming apparatus | Daisuke Ichii, Yoshinori Hayashi, Takeshi Ueda, Kenichiro Saisho | 2010-02-16 |
| 7616364 | Scanning optical system, optical scanner, and image forming apparatus having a biconvex lens having a change of curvature of the toric surface in the cross section in the sub-scanning direction along the main scanning direction is asymmetric with an optical axis of the lens | Kenichiroh Saisho | 2009-11-10 |
| 7554708 | Optical scanning device and image forming apparatus | Yoshinori Hayashi, Daisuke Ichii | 2009-06-30 |
| 7443558 | Optical scanning device and image forming apparatus | Yoshinori Hayashi, Daisuke Ichii | 2008-10-28 |
| 7417777 | Optical scanning device and image forming apparatus | Kenichiroh Saisho, Yoshinori Hayashi, Takeshi Ueda, Daisuke Ichii | 2008-08-26 |
| 7411712 | Optical scanner and image formation apparatus | Tomohiro Nakajima, Tomoya Ohsugi, Naoki Miyatake | 2008-08-12 |
| 7362486 | Optical scanning device with at least one resin lens for controlling a beam waist position shift | Yoshinori Hayashi, Takeshi Ueda | 2008-04-22 |
| RE40109 | Multi-beam optical scanner | Magane Aoki | 2008-02-26 |