Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11314183 | Developing device and image forming apparatus therewith | Masashi Fujishima, Norio Kubo, Asami Sasaki, Yasuhiro Tauchi, Tamotsu Shimizu +3 more | 2022-04-26 |
| 11209752 | Developing device and image forming apparatus therewith | Asami Sasaki, Norio Kubo, Koji Suenami, Yuji Toyota, Tamotsu Shimizu +2 more | 2021-12-28 |
| 11112732 | Image forming device | Tamotsu Shimizu, Yasuhiro Tauchi, Masashi Fujishima | 2021-09-07 |
| 11048192 | Image forming apparatus capable of suppressing occurrence of image defects in response to difference in carrier resistance and obtaining high image quality | Yuji Toyota, Yasuhiro Tauchi, Masashi Fujishima, Norio Kubo | 2021-06-29 |
| 10901358 | Image forming apparatus capable of executing a running-in operation for a developing section | Masaru Watanabe | 2021-01-26 |
| 10795302 | Image forming apparatus | Masaru Watanabe | 2020-10-06 |
| 9551959 | Image forming apparatus forming toner image on surface layer portion of image conveying portion | Einosuke Kikuchi | 2017-01-24 |
| 9471011 | Image forming apparatus transferring toner image onto surface layer portion of intermediate transfer medium | Einosuke Kikuchi | 2016-10-18 |
| 9291944 | Developing device having a control device that performs a recovery process and image forming apparatus including the same | Tamotsu Shimizu | 2016-03-22 |
| 9280092 | Developing device and image forming apparatus including the same | Minoru Wada, Masaru Hatano, Yoshinori Horiuchi, Ayaka Kondo, Motoki Moriguchi +1 more | 2016-03-08 |
| 9239541 | Image forming apparatus | Tamotsu Shimizu, Akihiro Watanabe | 2016-01-19 |
| 8934800 | Transfer device and image forming apparatus provided with same | — | 2015-01-13 |
| 8903288 | Intermediate transfer belt and tandem color image forming apparatus | — | 2014-12-02 |
| 8190073 | Endless belt, belt conveyor and image forming apparatus | Takeshi Watanabe | 2012-05-29 |
| 7929896 | Image forming apparatus with main and auxiliary cleaning device for cleaning an image bearing surface | Takeshi Watanabe, Hironori Daigo | 2011-04-19 |
| 7657214 | Image forming apparatus | Hiroshi Inui, Mitsuhiro Hashimoto | 2010-02-02 |
| 7613418 | Image forming apparatus | — | 2009-11-03 |
| 7599646 | Image forming apparatus with an endless belt for receiving toner images and a controller for controlling surface speed of an image bearing member or the moving speed of the endless belt in accordance with surface conditions of the endless belt | — | 2009-10-06 |
| 7444091 | Image forming apparatus having a toner carrying member | Mitsuhiro Hashimoto | 2008-10-28 |
| 7406282 | Image forming apparatus | Hiroshi Inui, Mitsuhiro Hashimoto | 2008-07-29 |
| 7330685 | Photoconductive image formation apparatus | — | 2008-02-12 |
| 7263321 | Image forming apparatus with speed detector for detecting rotational speed of a tension roller | Hiroshi Inui, Mitsuhiro Hashimoto | 2007-08-28 |
| 7123869 | Color image forming method and apparatus with image flaw reducing speed control of toner image carrier peripheral velocity | Shinji Yamane, Takeshi Watanabe, Katsuya Ota | 2006-10-17 |
| 6778796 | Driving mechanism for use in image forming apparatus | Masanobu Maeshima, Naoki Yamane, Masahiro Tsutsumi, Eiji Nimura, Nariaki Tanaka +1 more | 2004-08-17 |