Issued Patents All Time
Showing 1–25 of 80 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10001261 | Light source apparatus and projector | Shinji Yagyu, Nobutaka Kobayashi, Akihiro Yamada | 2018-06-19 |
| 9739921 | Surface light source device and liquid crystal display device | Akira Daijogo, Saki MAEDA, Nami Okimoto, Eiji Niikura | 2017-08-22 |
| 9703142 | Surface light source device and liquid crystal display device | Saki MAEDA, Nami Okimoto, Eiji Niikura, Tomohiko Sawanaka | 2017-07-11 |
| 9599316 | Light source device using monochromatic light to excite stationary phosphor layers | Akihiro Yamada, Tomohiko Sawanaka, Shinji Yagyu, Kenji Samejima | 2017-03-21 |
| 9467670 | Projection display device | Akihiro Yamada, Tomohiko Sawanaka, Shinji Yagyu, Kenji Samejima | 2016-10-11 |
| 9310033 | Light source device and projection-type display apparatus | Akihiro Yamada, Takeshi Utakoji, Kenji Samejima, Tomohiko Sawanaka, Shinji Yagyu | 2016-04-12 |
| 8434876 | Projection type display apparatus having a light source device with improved light utilization efficiency | Kuniko Kojima | 2013-05-07 |
| 7991346 | Image recording system | Kimihito Yamasaki, Yuji Okamoto | 2011-08-02 |
| 7702272 | Power control method for controlling a setting value of electric power to be supplied to each of components of an apparatus by switching between power control modes depending on a status of operation of each of the components of the apparatus | Tetsunori Mitsuoka, Takashi Yamanaka, Toshiaki Kagawa | 2010-04-20 |
| 7695145 | Projection-type display apparatus | Kuniko Kojima | 2010-04-13 |
| 7661829 | Projection display apparatus | Akihiro Yamada, Yoshinori Sato, Akira Daijogo, Motoo Takahashi | 2010-02-16 |
| 7647014 | Pretransfer charging device and image forming apparatus including same | Toshiaki Kagawa, Hideki Ohnishi, Yoshiaki Masuda | 2010-01-12 |
| 7551886 | Image forming device | Tatsuya Inoue, Yoshiharu Yoneda | 2009-06-23 |
| 7551377 | Projection display apparatus | Futoshi Kuroki, Toshimitsu Iwai | 2009-06-23 |
| 7532834 | Fixing device and fixing method and image forming device | Toshiaki Kagawa, Takashi Yamanaka, Tetsunori Mitsuoka | 2009-05-12 |
| 7446281 | Heating device | Toshiaki Kagawa, Takashi Yamanaka, Tetsunori Mitsuoka | 2008-11-04 |
| 7440200 | Projection type display apparatus having micro mirror type display element | Futoshi Kuroki, Toshimitsu Iwai | 2008-10-21 |
| 7426364 | Fixing method, fixing device, and image forming apparatus | Toshiaki Kagawa, Toyoaki Nanba, Kouji Yamaji, Tatsuya Shinkawa | 2008-09-16 |
| 7299002 | Heater, and image forming apparatus, heating method incorporating same | Toshiaki Kagawa, Takashi Yamanaka | 2007-11-20 |
| 7266319 | Heater, and image forming apparatus, heating method incorporating same | Toshiaki Kagawa, Takashi Yamanaka, Tetsunori Mitsuoka | 2007-09-04 |
| 7260352 | Fixing device cleaning device and image forming device | Masanobu Deguchi, Toshiaki Kagawa | 2007-08-21 |
| 7251432 | System for collecting an unfixed developer with an airflow | Yoshiharu Yoneda, Masanobu Deguchi | 2007-07-31 |
| 7233766 | Screw conveyor and developer conveying mechanism | Kazuhiro Matsuyama, Hirokazu Yamauchi, Yoshiaki Masuda | 2007-06-19 |
| 7233754 | Image forming system and image forming apparatus being configured for easy removal of jammed recording material and for reducing installation space | — | 2007-06-19 |
| 7199332 | Heating device and image forming device | Toshiaki Kagawa, Takashi Yamanaka, Tetsunori Mitsuoka | 2007-04-03 |