Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10564567 | Image forming apparatus with second mode rotating toner bearing member faster and larger second maximum toner carrying amount | — | 2020-02-18 |
| 10036977 | Image forming apparatus | — | 2018-07-31 |
| 9798276 | Image forming apparatus | — | 2017-10-24 |
| 9134667 | Fixing apparatus having cooling device for pressure roller | — | 2015-09-15 |
| RE45252 | Image forming apparatus with change unit for changing temperature of fixing unit at time of actuating image forming unit | — | 2014-11-18 |
| 8699079 | Image forming apparatus having paper dust removal device | — | 2014-04-15 |
| 8687992 | Image heating apparatus | — | 2014-04-01 |
| 8655213 | Image heating device and image forming apparatus | Masanobu Tanaka | 2014-02-18 |
| 8433212 | Image forming apparatus setting different target temperatures of an image heating device depending on the image forming modes | — | 2013-04-30 |
| 8175485 | Image heating apparatus | — | 2012-05-08 |
| 8018622 | Image forming apparatus and image processing apparatus | — | 2011-09-13 |
| 7437086 | Image forming apparatus with change unit for changing temperature of fixing unit at time of actuating image forming unit | — | 2008-10-14 |
| 7366457 | Color image forming apparatus having toner recycling | — | 2008-04-29 |
| 7020423 | Image heating apparatus and image forming apparatus | Masayoshi Kachi, Daigo Matsuura | 2006-03-28 |
| 7016638 | Image heating apparatus and image forming apparatus | Masayoshi Kachi, Daigo Matsuura | 2006-03-21 |
| 6614004 | Heater including heat dissipation resistor on substrate and image heating apparatus equipped with the heater | Shuji Moriya | 2003-09-02 |
| 5940668 | Image forming apparatus with voltage polarity switching means | Koichi Tanigawa, Kimio Nakahata, Akihiko Takeuchi, Hideo Nanataki | 1999-08-17 |
| 5715498 | Color image forming apparatus and method for forming a color image corrected for aberration in registration of image stations for each color | Akihiko Takeuchi, Koichi Tanigawa, Toshio Miyamoto | 1998-02-03 |
| 5682576 | Fixing device | Hiroaki Sakai, Masaharu Ohkubo, Norio Hashimoto, Takayasu Yuminamochi, Hiroto Hasegawa +2 more | 1997-10-28 |
| 5589924 | Electrophotographic image forming system | Hideyuki Yano, Koichi Tanigawa, Akihiko Takeuchi, Hiroshi Sasame, Yasumasa Otsuka +2 more | 1996-12-31 |
| 5521683 | Image forming apparatus using constant voltage or constant current AC signal applied to developer bearing member, and control function in accordance with detected voltage or current of developer bearing member | Toshio Miyamoto, Akihiko Takeuchi, Katsuhiko Nishimura, Minoru Matsuguma | 1996-05-28 |
| 5519475 | Image forming apparatus with peripheral speed difference between image bearing and transfer members | Toshio Miyamoto, Koichi Tanigawa | 1996-05-21 |
| 5438398 | Image forming apparatus with intermediate transfer member | Koichi Tanigawa, Kimio Nakahata, Akihiko Takeuchi, Hideo Nanataki | 1995-08-01 |
| 5412455 | Charging device, image forming apparatus and detachably mountable process cartridge having a constant voltage power source feature | Koichi Tanigawa, Akihiko Takeuchi, Hajime Motoyama, Toshio Miyamoto | 1995-05-02 |
| 5321482 | Process cartridge and image forming apparatus including a lubricant provided on a cleaning member for cleaning an image bearing member | Hideyuki Yano, Koichi Tanigawa, Akihiko Takeuchi, Hiroshi Sasame, Yasumasa Otsuka +2 more | 1994-06-14 |