Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10520878 | Image forming apparatus having developing cartridge movable relative to photosensitive drum | Atsushi Hayakawa, Takuya Yamaguchi | 2019-12-31 |
| 10152018 | Image forming apparatus having developing cartridge movable relative to photosensitive drum | Atsushi Hayakawa, Takuya Yamaguchi | 2018-12-11 |
| 9170560 | Image forming apparatus | Shinji Ohashi | 2015-10-27 |
| 9069277 | Image forming apparatus including a controller configured to switch a state of developing roller between a stopped state and a rotating state | Yasuhiro Suzuki | 2015-06-30 |
| 8781388 | Image forming device | Takuya Yamaguchi | 2014-07-15 |
| 8699937 | Image processing device | Takuya Yamaguchi | 2014-04-15 |
| 8693915 | Image forming apparatus including chargers around which air passes | Takahiro Nozaki, Takuya Yamaguchi, Yohsuke Hata | 2014-04-08 |
| 8655229 | Image forming apparatus | Tomitake Aratachi | 2014-02-18 |
| 8634749 | Image forming apparatus | Tomitake Aratachi | 2014-01-21 |
| 8401459 | Image-forming device | Sakae Ito | 2013-03-19 |
| 8204428 | Image forming device capable of preventing detection error of test pattern on conveyor belt | — | 2012-06-19 |
| 8126366 | Image forming apparatus in which drive transmission member engages drive input member | — | 2012-02-28 |
| 7991303 | Image forming apparatus | — | 2011-08-02 |
| 7950861 | Opening-angle restricting device | Hiroshi Igarashi | 2011-05-31 |
| 7925181 | Image forming apparatus | Wei-Ming Wang, Hidetoshi Yano, Atsuhisa Nakashima | 2011-04-12 |
| 7912418 | Image-forming device | Sakae Ito | 2011-03-22 |
| 7885562 | Color image forming apparatus having movable developer members | Wei-Ming Wang | 2011-02-08 |
| 7869735 | Image forming apparatus having paper dust collecting roller | — | 2011-01-11 |
| 7809294 | Image forming device controlling driving of a motor based on a detected temperature | Atsushi Hayakawa | 2010-10-05 |
| 7715756 | Image forming apparatus with linear movement member | — | 2010-05-11 |
| 7653328 | Image forming device capable of closing door with high accuracy | Hiroshi Igarashi | 2010-01-26 |
| 7644921 | Image forming apparatus | — | 2010-01-12 |
| 7599641 | Exhaust system of image forming device | Hideo Yoshihara, Masamitsu Ukai | 2009-10-06 |
| 7561825 | Image forming apparatus that restricts excessive pivotal movement of image reading unit | Atsuo Hirose, Sakae Ito | 2009-07-14 |
| 7429039 | Hinge device, automatic document feeder, scanning unit, and image forming apparatus | Atsuo Hirose | 2008-09-30 |