Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12372906 | Fixing member and fixing unit | Takaaki Tsuruya | 2025-07-29 |
| 12298687 | Image forming apparatus with control of transfer voltage | Hiroki Eguchi | 2025-05-13 |
| 12164248 | Image forming apparatus that selectively changes trailing end voltage | Masatake Usui | 2024-12-10 |
| 11852986 | Image forming apparatus | Masaki Hirose, Taisuke Minagawa | 2023-12-26 |
| 11378901 | Image forming apparatus capable of suppressing maldistribution of an ion conductive agent on an intermediary transfer member | Yasutaka Yagi, Ken Yokoyama, Hiroyuki Seki | 2022-07-05 |
| 11079712 | Image forming apparatus for an intermediate transfer of a toner image and for reversely transferring collected developer to an image bearing member | Bunro Noguchi, Taku Watanabe, Yuichiro Hirata | 2021-08-03 |
| 10845735 | Image forming apparatus | — | 2020-11-24 |
| 10824105 | Image forming apparatus having a control of transfer voltage | Tomoaki Nakai | 2020-11-03 |
| 10496028 | Image forming apparatus | Taisuke Minagawa | 2019-12-03 |
| 10372077 | Image forming apparatus | Yasuharu Hirado, Tomoaki Nakai, Bunro Noguchi | 2019-08-06 |
| 10338502 | Image-forming apparatus | Yasuharu Hirado | 2019-07-02 |
| 10289056 | Image forming apparatus | Yu Izaki, Tomoaki Nakai, Takamitsu Soda | 2019-05-14 |
| 10216122 | Image forming apparatus | Tomoaki Nakai, Takamitsu Soda, Masaki Shimomura | 2019-02-26 |
| 10101689 | Image forming apparatus | Tomoaki Nakai, Yu Izaki, Takateru Ohkubo | 2018-10-16 |
| 10073382 | Image forming apparatus that applies bias voltage according to stored image bearing member information | Takayoshi Kihara | 2018-09-11 |
| 9977363 | Image forming apparatus with selective control of charges applied to residual toner | Yasuharu Hirado, Masaki Shimomura | 2018-05-22 |
| 9494899 | Fixing device and heater used in fixing device | Hisashi Nakahara, Hideaki Yonekubo, Satoru Taniguchi, Hiroyuki Sakakibara, Koji Nihonyanagi +3 more | 2016-11-15 |
| 9098035 | Fixing device and heater used in fixing device | Hisashi Nakahara, Hideaki Yonekubo, Satoru Taniguchi, Hiroyuki Sakakibara, Koji Nihonyanagi +3 more | 2015-08-04 |
| 8886105 | Pressure roller and fixing device equipped with the same | Hiroyuki Sakakibara, Hirohiko Aiba | 2014-11-11 |