Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12353159 | Fixing device and image forming apparatus | Jun Okamoto, Yuusuke Furuichi, Tamotsu Ikeda, Shigeo Nanno | 2025-07-08 |
| 11841652 | Contact-separation device, fixing device, and image forming apparatus | Takahiro Imada, Yoshikuni Sasaki, Tamotsu Ikeda, Hiromasa Takagi, Jun Okamoto | 2023-12-12 |
| 11789389 | Pressing device, fixing device, and image forming apparatus | — | 2023-10-17 |
| 11693362 | Image forming apparatus | Hiromasa Takagi, Jun Okamoto, Tamotsu Ikeda, Yoshikuni Sasaki, Takahiro Imada | 2023-07-04 |
| 11644773 | Heating device, fixing device and image forming apparatus | — | 2023-05-09 |
| 10955777 | Fixing device including at least one temperature detector and a device-side connector and image forming apparatus including same | Toshiharu Hachisuka, Hiroshi Seo, Yutaka Naitoh, Daisuke Inoue, Masao Katoh +4 more | 2021-03-23 |
| 10788775 | Fixing device and image forming apparatus including same | Jun Okamoto, Yutaka Naitoh, Toshiharu Hachisuka, Hiroshi Seo, Daisuke Inoue +4 more | 2020-09-29 |
| 10481530 | Separation member, separation device, fixing device, and image forming apparatus | Keisuke Kubota, Masami Okamoto, Kenji Nozawa, Fumihiro Hirose, Kensuke Yamaji +4 more | 2019-11-19 |
| 10317828 | Fixing device including a nip formation pad with a porous structure, and image forming apparatus incorporating same | Yutaka Naitoh, Yasuharu Kawarasaki, Kenta Kashiwagi, Masahiro Samei | 2019-06-11 |
| 10101691 | Fixing device and image forming apparatus | — | 2018-10-16 |
| 10095166 | Fixing device and image forming apparatus | Masami Okamoto, Keisuke Kubota, Shuutaroh Yuasa, Yuuta Kanda, Fumihiro Hirose +1 more | 2018-10-09 |
| 10088786 | Fixing device and image forming apparatus | Keisuke Kubota, Masami Okamoto, Kensuke Yamaji, Fumihiro Hirose, Shuutaroh Yuasa +1 more | 2018-10-02 |
| 10042294 | Separation device, fixing device, and image forming apparatus | Yohhei Watanabe, Fumihiro Hirose, Naoto Suzuki, Takashi Sakamaki | 2018-08-07 |
| 10012937 | Fixing device and image forming apparatus including a fixing belt, a presser, and a gap retainer | Shuutaroh Yuasa, Keisuke Kubota, Masami Okamoto, Fumihiro Hirose, Kensuke Yamaji +2 more | 2018-07-03 |
| 10012936 | Fixing device and image forming apparatus | Kensuke Yamaji, Keisuke Kubota, Masami Okamoto, Fumihiro Hirose, Shuutaroh Yuasa +4 more | 2018-07-03 |
| 9996035 | Fixing device and image forming apparatus with a movable presser which moves a fixing belt | Masami Okamoto, Keisuke Kubota, Shuutaroh Yuasa, Kensuke Yamaji, Fumihiro Hirose +1 more | 2018-06-12 |
| 9715201 | Fixing device and image forming apparatus including a rotation load applicator | Takamasa Hase, Takashi Fujita, Kenji Ishii, Akiyasu Amita, Kenichi Hasegawa +4 more | 2017-07-25 |
| 9229381 | Cleaning device, fixing device including the cleaning device, and image forming apparatus including the fixing device | — | 2016-01-05 |
| 8929788 | Fixing device having a fixing pad and a pressing pad and image forming apparatus incorporating the same | — | 2015-01-06 |
| 8331820 | Fixing device and image forming apparatus using same | — | 2012-12-11 |
| 7493059 | Method and apparatus for image forming with an improved warm-up control | — | 2009-02-17 |
| 6816701 | Fixing device including guide unit and image forming apparatus | — | 2004-11-09 |
| 6104889 | Automatic component replacement detecting system in an image forming apparatus | — | 2000-08-15 |
| 5722012 | Image forming apparatus | — | 1998-02-24 |