Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9228825 | Positional change measurement device, positional change measurement method, and image forming apparatus | Atsushi Takaura, Koji Masuda, Yasuhiro Nihei, Takeshi Ueda, Koichi Kudo +2 more | 2016-01-05 |
| 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, Yukio Itami, Shingo Tachikawa | 2015-01-06 |
| 8908001 | Optical scanning device and image forming apparatus | — | 2014-12-09 |
| 8593497 | Flow guide for optical scanning device and image forming apparatus | Tomohiro Nakajima | 2013-11-26 |
| 8270053 | Holding mechanism for long length optical element, optical scanning device, and image forming device | Hiromichi Atsuumi | 2012-09-18 |
| 8228583 | Optical scanning device and image forming apparatus | Hibiki Tatsuno | 2012-07-24 |
| 8217978 | Optical scanning apparatus, an image formation apparatus, and a phase modulation method | Tomohiro Nakajima, Akihisa Itabashi, Seizo Suzuki | 2012-07-10 |
| 8174747 | Optical scanning apparatus and image forming apparatus | Atsuhiko Ogawa | 2012-05-08 |
| RE42865 | Image forming system employing effective optical scan-line control device | Mitsuo Suzuki, Naoki Miyatake, Seizo Suzuki, Kazuyuki Shimada, Satoru Itoh | 2011-10-25 |
| 8031362 | Optical scanning device, image forming apparatus, and liquid crystal element | — | 2011-10-04 |
| 7936492 | Light source device, optical scanning device, and image forming apparatus | Tomohiro Nakajima | 2011-05-03 |
| 7800641 | Light source unit, optical scan apparatus, and image formation apparatus | Nobuaki Kubo, Tomohiro Nakajima, Yoshinori Hayashi | 2010-09-21 |
| 7777774 | Image forming system employing effective optical scan-line control device | Mitsuo Suzuki, Naoki Miyatake, Seizo Suzuki, Kazuyuki Shimada, Satoru Itoh | 2010-08-17 |
| 7719737 | Optical scanning device, image forming apparatus and liquid crystal device driving method | Seizo Suzuki, Akihisa Itabashi, Hiroyuki Suhara, Mitsuo Suzuki | 2010-05-18 |
| 7710445 | Light source unit, optical scan apparatus, and image formation apparatus | Tomohiro Nakajima, Yoshinori Hayashi, Nobuaki Kubo | 2010-05-04 |
| 7706040 | Optical scanning apparatus, illuminant apparatus and image forming apparatus | Seizo Suzuki, Satoru Itoh, Tomohiro Nakajima | 2010-04-27 |
| 7684100 | Optical-element holding device, method of adjusting shape of optical element, optical-element shape adjusting device, method of correcting scanning line variation, optical scanning device, and image forming apparatus | — | 2010-03-23 |
| 7532227 | Optical scanner and image forming apparatus | Tomohiro Nakajima, Akira Kojima, Ikuko Yamashiro, Seizo Suzuki, Yoshinori Hayashi +1 more | 2009-05-12 |
| 7525561 | Optical scanner and image forming apparatus | Tomohiro Nakajima, Akira Kojima, Ikuko Yamashiro, Seizo Suzuki, Yoshinori Hayashi +1 more | 2009-04-28 |
| 7505060 | Light scanning apparatus having a liquid crystal deflector and image forming apparatus using the same | Takeshi Ueda | 2009-03-17 |
| 7460145 | Multi-beam pitch adjusting apparatus and image forming apparatus | Kazuyuki Shimada | 2008-12-02 |
| 7450274 | Optical scanning apparatus, image forming apparatus, and beam positioning method | Akihisa Itabashi, Seizo Suzuki, Toshihiro Suzuki | 2008-11-11 |
| 7403316 | Optical scanning device, image forming apparatus and liquid crystal device driving method | — | 2008-07-22 |
| 7333254 | Optical scanning apparatus, illuminant apparatus and image forming apparatus | Seizo Suzuki, Satoru Itoh, Tomohiro Nakajima | 2008-02-19 |
| 7206014 | Multi-beam pitch adjusting apparatus and image forming apparatus | Kazuyuki Shimada | 2007-04-17 |