Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11669028 | Image forming apparatus having control unit that controls drive unit and conveyance portion | Masanobu Tanaka, Koichi Kakubari, Hiroto Ito | 2023-06-06 |
| 10725403 | Image forming apparatus | Masayuki Tamaki, Hiroto Ito | 2020-07-28 |
| 10409203 | Image forming apparatus that executes a cleaning mode in which positional relationships of a first sheet and a second sheet, fed through a fixing nip during a cleaning mode, relative to a rotatable heating member differ from each other | Masanobu Tanaka, Akiyoshi Shinagawa | 2019-09-10 |
| 10386758 | Image forming apparatus | Keita Ishiguro, Masanobu Tanaka, Suguru Takeuchi, Asuna Fukamachi, Yasuharu Toratani | 2019-08-20 |
| 10241455 | Fixing device having a pressing mechanism that presses first and second rotatable members together | Asuna Fukamachi, Masanobu Tanaka, Suguru Takeuchi, Yasuharu Toratani, Keita Ishiguro | 2019-03-26 |
| 10031455 | Image forming apparatus | Masanobu Tanaka, Akiyoshi Shinagawa | 2018-07-24 |
| 10021261 | Image forming apparatus | Masanobu Tanaka, Yasuharu Chiyoda, Asuna Fukamachi | 2018-07-10 |
| 9952544 | Image forming apparatus and control device therefor | Masanobu Tanaka, Yasuharu Chiyoda, Asuna Fukamachi | 2018-04-24 |
| 9494903 | Image forming apparatus with cleaning mode | Akiyoshi Shinagawa, Masanobu Tanaka | 2016-11-15 |
| 9459566 | Image forming apparatus controlling the operation speed of each of an image forming portion and a fixing portion thereof when an image formation process is continuously performed for a plurality of sheets | Akiyoshi Shinagawa, Masanobu Tanaka | 2016-10-04 |
| 9392642 | Image heating apparatus | Masanobu Tanaka, Shigeaki Takada, Akiyoshi Shinagawa, Hiroki Kawai | 2016-07-12 |
| 9372450 | Image forming apparatus | Akiyoshi Shinagawa, Masanobu Tanaka | 2016-06-21 |
| 9329557 | Image forming apparatus | Shigeaki Takada, Akiyoshi Shinagawa, Masanobu Tanaka, Hiroki Kawai | 2016-05-03 |
| 9025999 | Fixing apparatus | — | 2015-05-05 |
| 8989640 | Image forming apparatus | Shigeaki Takada, Akiyoshi Shinagawa, Masanobu Tanaka, Hiroki Kawai | 2015-03-24 |
| 8929762 | Image heating apparatus with an air feeding device configured to feed air to a belt cooperating with a heating rotatable member to form a nip for heating an image on recording material | Akiyoshi Shinagawa, Shigeaki Takada, Hiroki Kawai | 2015-01-06 |
| 8918003 | Fixing device | Hiroki Kawai, Shigeaki Takada, Akiyoshi Shinagawa | 2014-12-23 |
| 8917999 | Image heating apparatus executing a rubbing operation of a rotatable rubbing member on a rotatable heating member | Shigeaki Takada, Akiyoshi Shinagawa, Hiroki Kawai | 2014-12-23 |
| 8554099 | Image heating apparatus for cooling the surfaces of an image heating device and a pressing device pressing against the heating device to form a nip | — | 2013-10-08 |
| 8391730 | Image forming apparatus | — | 2013-03-05 |
| 8208833 | Image forming apparatus | — | 2012-06-26 |