Issued Patents All Time
Showing 25 most recent of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9134644 | Charging member contamination determining device | Toru Ishii | 2015-09-15 |
| 9129566 | Image displaying medium, image display device, writing device and displaying method | Kiyoshi Shigehiro, Yasufumi Suwabe, Yoshinori Machida, Takeshi Matsunaga, Atsushi Hirano | 2015-09-08 |
| 8643901 | Detection apparatus and method, image forming apparatus, and non-transitory computer readable medium | — | 2014-02-04 |
| 8643916 | Reading device | Hirokazu Ichikawa, Eigo Nakagawa, Jiro Matsuda | 2014-02-04 |
| 8482516 | Image display medium, image display device, and image display method | Kiyoshi Shigehiro, Yoshinori Machida, Motohiko Sakamaki, Takeshi Matsunaga | 2013-07-09 |
| 8446646 | Light guide and image reading apparatus | Hirokazu Ichikawa, Akihiko Naya | 2013-05-21 |
| 8312156 | Communication method control system | Yoshitsugu Hirose, Masao Watanabe, Takayuki Takeuchi, Eriko Tamaru, Kimitake Hasuike | 2012-11-13 |
| 8228291 | Image display medium, image display device, and image display method | Kiyoshi Shigehiro, Yoshinori Machida, Motohiko Sakamaki, Takeshi Matsunaga | 2012-07-24 |
| 7982710 | Driving device for image display medium | Yoshinori Machida, Yasufumi Suwabe, Takeshi Matsunaga, Atsushi Hirano, Kiyoshi Shigehiro | 2011-07-19 |
| 7885457 | Image processing device and image processing method which are capable of displaying white, black and a color other than white and black at each pixel | Atsushi Hirano, Yasufumi Suwabe, Yoshinori Machida, Motohiko Sakamaki, Takeshi Matsunaga +1 more | 2011-02-08 |
| 7859513 | Image display device that can suppress a reduction in display density due to changes in the charge amount of charged particles | Yoshinori Machida, Atsushi Hirano, Takeshi Matsunaga, Yasufumi Suwabe, Motohiko Sakamaki +1 more | 2010-12-28 |
| 7746319 | Image display device | Yasufumi Suwabe, Yoshinori Machida, Motohiko Sakamaki, Takeshi Matsunaga, Atsushi Hirano +1 more | 2010-06-29 |
| 7701423 | Image display device and method | Yasufumi Suwabe, Yoshinori Machida, Motohiko Sakamaki, Atsushi Hirano, Takeshi Matsunaga +2 more | 2010-04-20 |
| 7671835 | Image display apparatus and image display method | Yasufumi Suwabe, Yoshinori Machida, Motohiko Sakamaki, Takeshi Matsunaga, Atsushi Hirano +1 more | 2010-03-02 |
| 7649204 | Image display medium | Atsushi Hirano, Yasufumi Suwabe, Yoshinori Machida, Takeshi Matsunaga, Kiyoshi Shigehiro | 2010-01-19 |
| 7616185 | Image display medium, image display device, and image display method | Kiyoshi Shigehiro, Yoshinori Machida, Motohiko Sakamaki, Takeshi Matsunaga | 2009-11-10 |
| 7414777 | Image display medium, and image display device equipped with the image display medium | Yoshinori Machida, Yasufumi Suwabe, Hiroaki Moriyama, Takeshi Matsunaga, Atsushi Hirano +1 more | 2008-08-19 |
| 7362485 | Image display medium, image writing device, and image forming apparatus | Yoshinori Yamaguchi, Takayuki Takeuchi, Takashi Ozawa, Shigehiko Sasaki | 2008-04-22 |
| 7230604 | Display medium driving method | Yoshinori Machida, Kiyoshi Shigehiro, Motohiko Sakamaki, Takeshi Matsunaga | 2007-06-12 |
| 7209112 | Image display device and driving method thereof | Takeshi Matsunaga, Yoshinori Machida, Yasufumi Suwabe, Motohiko Sakamaki, Kiyoshi Shigehiro | 2007-04-24 |
| 7119787 | Image display device | Yasufumi Suwabe, Yoshinori Machida, Motohiko Sakamaki, Takeshi Matsunaga, Kiyoshi Shigehiro | 2006-10-10 |
| 7027029 | Image display apparatus | Yasufumi Suwabe, Yoshinori Machida, Motohiko Sakamaki, Takeshi Matsunaga, Kiyoshi Shigehiro | 2006-04-11 |
| 7002729 | Image display medium and manufacturing method of the same | Yoshinori Machida, Yasufumi Suwabe, Motohiko Sakamaki, Takeshi Matsunaga, Kiyoshi Shigehiro | 2006-02-21 |
| 6967762 | Image display medium, image display, device and image display method | Yoshinori Machida, Yasufumi Suwabe, Motohiko Sakamaki, Takeshi Matsunaga, Kiyoshi Shigehiro | 2005-11-22 |
| 6956557 | Image display device | Yoshinori Machida, Takeshi Matsunaga, Kiyoshi Shigehiro, Yasufumi Suwabe, Motohiko Sakamaki | 2005-10-18 |