Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10388839 | Light-emitting device | Yosuke Tsuchiya, Makoto Ishida, Motoyuki Tanaka, Toshiaki Mori | 2019-08-20 |
| 10095148 | Charging device including first and second cleaning members for cleaning a charging wire | Yusuke Kitagawa, Sadao Okano, Yasuo Takayama | 2018-10-09 |
| 9851653 | Charging device and image forming apparatus including movable member to which cleaning member is attached | Yusuke Kitagawa, Yasuo Takayama, Sadao Okano | 2017-12-26 |
| 9817329 | Charging device including cleaning member and image forming apparatus | Sadao Okano, Yasuo Takayama, Yusuke Kitagawa | 2017-11-14 |
| 9791800 | Charging device and image forming apparatus having a rotation member with a spiral protrusion | Yasuo Takayama, Sadao Okano, Yusuke Kitagawa | 2017-10-17 |
| 8718531 | Cleaning apparatus having damping unit to regulate vibration | Yuzo Ichikawa, Tomoya Ichikawa | 2014-05-06 |
| 8682186 | Image forming device comprising charging device having plural discharge portions | Tomoya Ichikawa | 2014-03-25 |
| 8634755 | Cleaning unit, image carrier unit, and image forming apparatus | Tomoya Ichikawa, Yuzo Ichikawa, Takahiro Shinkawa, Masaaki Tokunaga, Tsuneo Fukuzawa +2 more | 2014-01-21 |
| 8577247 | Discharger and image forming apparatus having an electrode cleaning detection member | Kanji Watanabe, Yuzo Ichikawa, Tomoya Ichikawa | 2013-11-05 |
| 8543028 | Maintenance system, cleaning system, and image forming apparatus | Tomoya Ichikawa | 2013-09-24 |
| 8509671 | Cleaner and image forming apparatus | Tomoya Ichikawa, Yuzo Ichikawa, Takahiro Shinkawa, Hirohisa Hoshino, Toshiyuki Matsui | 2013-08-13 |
| 7678521 | Electrophotographic toner and image forming apparatus | Yasushige Nakamura, Shinichi Yaoi | 2010-03-16 |
| 6416873 | Intermediate transfer material and image-forming apparatus | Yukio Hara, Shinichi Ishigame, Shigeru Fukuda | 2002-07-09 |
| D279328 | Cassette Holder or similar article | Shigeru Shimmi | 1985-06-25 |