Issued Patents All Time
Showing 1–25 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10241333 | Light guide, virtual image display device, and light guide unit | Naoki Nakamura, Shiori OHSUGI, Takashi Kubota | 2019-03-26 |
| 9925798 | Optical scanning apparatus and image forming device | Naoto Watanabe, Kohji Sakai, Nobuaki Kubo, Masayuki Muranaka | 2018-03-27 |
| 9625711 | Optical scanning apparatus and image forming device | Naoto Watanabe, Kohji Sakai, Nobuaki Kubo, Masayuki Muranaka | 2017-04-18 |
| 8928716 | Optical scanning device and image forming apparatus in which a plurality of scanning optical systems except one include a reflecting mirror | Tadashi Nakamura, Yukio Itami, Taku Amada, Shingo Tachikawa | 2015-01-06 |
| 8922863 | Optical scanning device and image forming apparatus | Nobuaki Kubo, Naoto Watanabe, Kohji Sakai | 2014-12-30 |
| 8848009 | Optical scanning device and image forming apparatus | Naoto Watanabe, Kohji Sakai, Nobuaki Kubo | 2014-09-30 |
| 8848013 | Optical scanning device and image forming apparatus including a plurality of scanned members | Kenichiroh Saisho, Nobuaki Kubo, Seizo Suzuki | 2014-09-30 |
| 8786658 | Exposure device and image forming apparatus | Nobuaki Kubo, Kohji Sakai, Naoto Watanabe, Tomohiro Nakajima, Yorichika Ishiyama | 2014-07-22 |
| 8559053 | Optical scanning device and image forming device | Kenichiroh Saisho, Nobuaki Kubo | 2013-10-15 |
| 8531766 | Polarization-separation device, optical scanning apparatus, and image forming apparatus | Nobuaki Kubo, Kenichiro Saisho | 2013-09-10 |
| 8456726 | Light scanning device, and image forming apparatus having the same | Naoto Watanabe | 2013-06-04 |
| 8368736 | Optical scanning device and image forming apparatus | Kenichiro Saisho, Nobuaki Kubo | 2013-02-05 |
| 8351118 | Polarization splitting device, method of manufacturing polarization beam splitter, optical scanning device, and image forming apparatus | Hideaki Hirai, Seizo Suzuki | 2013-01-08 |
| 8162485 | Intermediate image formation optical system, image formation device, and methods thereof | Atsushi Takaura, Takanobu Osaka, Yasuyuki Takiguchi, Kazuhiro Fujita, Kazuya Miyagaki +1 more | 2012-04-24 |
| 8158020 | Liquid crystal element, optical path deflecting element, and image displaying apparatus | Yohei Takano, Hiroyuki Sugimoto, Koh Fujimura, Yasuyuki Takiguchi, Yumi Matsuki +2 more | 2012-04-17 |
| 7929071 | Electric field generating device comprising an electric field generating resistor and line electrodes, light deflecting device having the same, and image display apparatus having the same | Yukiko Hirano, Koh Fujimura, Yumi Matsuki, Toshimichi Hagiya, Takanobu Osaka +2 more | 2011-04-19 |
| 7889224 | Optical path switching device, optical scanning device, and image forming apparatus | Toshimichi Hagiya, Kazuya Miyagaki, Atsushi Takaura | 2011-02-15 |
| 7857458 | Image display device and image projection device | Kazuhiro Fujita, Atsushi Takaura, Yasuyuki Takiguchi, Toshiharu Murai, Hiroyuki Sugimoto +2 more | 2010-12-28 |
| 7787001 | Image processing apparatus, image display apparatus, image processing method, and computer product | Kenji Namie, Toshiharu Murai, Yasuyuki Takiguchi, Kazuhiro Fujita, Hiroyuki Sugimoto | 2010-08-31 |
| 7753531 | Image display apparatus and projection optical system | Kazuhiro Fujita, Takanobu Osaka, Kazuya Miyagaki, Atsushi Takaura, Masanori Kobayashi +3 more | 2010-07-13 |
| 7733317 | Image display apparatus and alternative current drive method | Toshiharu Murai, Kazuhiro Fujita, Kenji Kameyama, Yasuyuki Takiguchi | 2010-06-08 |
| 7564508 | Light path shift device and image display device | Hiroyuki Sugimoto, Kazuhiro Fujita, Toshiharu Murai, Yasuyuki Takiguchi, Atsushi Takaura +2 more | 2009-07-21 |
| 7495831 | Optical device, display device, and three-dimension image display device for changing a polarization state of a light beam in time | Kazuhiro Fujita, Toshiharu Murai, Atsushi Takaura, Kazuya Miyagaki, Takanobu Osaka +4 more | 2009-02-24 |
| 7489383 | Optical axis deflecting method, optical axis deflecting element, optical path deflecting unit, method of driving optical axis deflecting element, and image display apparatus | Hiroyuki Sugimoto, Yumi Matsuki, Yukiko Hirano, Kenji Namie, Takanobu Osaka +1 more | 2009-02-10 |
| 7345733 | Light deflection element, light deflection device and image display device | Hiroyuki Sugimoto, Yumi Matsuki, Shigeaki Nimura, Masanori Kobayashi, Yasuyuki Takiguchi +2 more | 2008-03-18 |