Issued Patents All Time
Showing 25 most recent of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12013654 | Fixing device and image forming apparatus provided therewith | Hiroki Kawasaki, Ryohei Tokunaga, Yuta Kitabayashi, Rina Kikugawa, Shunsaku FUJII +1 more | 2024-06-18 |
| 11768455 | Fixing device and image forming apparatus | Rina Kikugawa, Akihiro Kondo, Ryohei Tokunaga, Yuta Kitabayashi, Hiroki Kawasaki +2 more | 2023-09-26 |
| 11644772 | Image forming apparatus | Akihiro Kondo, Ryohei Tokunaga, Yuta Kitabayashi, Hiroki Kawasaki, Shunsaku FUJII +2 more | 2023-05-09 |
| 11614701 | Image forming apparatus | Akihiro Kondo, Ryohei Tokunaga, Yuta Kitabayashi, Rina Kikugawa, Hiroki Kawasaki +2 more | 2023-03-28 |
| 11137705 | Fixing device, image forming apparatus | Shunsaku FUJII, Hiroki Kawasaki, Ryohei Tokunaga, Rina Kikukawa, Sadanori Nakae +5 more | 2021-10-05 |
| 10866549 | Fixing device capable of restricting electric connection state from becoming unstable, image forming apparatus | Atsushi Kohama, Yuhiro Sakai, Hiroki Kawasaki | 2020-12-15 |
| 10838335 | Fixing device capable of restricting heater from bending toward pressure roller, image forming apparatus | Yuhiro Sakai | 2020-11-17 |
| 10768561 | Fixing device and image forming apparatus | Hiroki Kawasaki, Atsushi Kohama, Yuhiro Sakai | 2020-09-08 |
| 10627756 | Fixing device and image forming apparatus | Hiroki Kawasaki, Atsushi Kohama, Yuhiro Sakai | 2020-04-21 |
| 10514639 | Heating unit, fixing device, and image forming apparatus | Hiroki Kawasaki, Kotatsu Kawaguchi, Ryohei Tokunaga, Atsushi Kohama, Yuhiro Sakai +3 more | 2019-12-24 |
| 10386762 | Heating unit including heating parts, in which each heating part includes heating resistors, fixing device including this heating unit, and image forming apparatus including this fixing device | Hiroki Kawasaki, Ryohei Tokunaga, Atsushi Kohama, Yuhiro Sakai, Kotatsu Kawaguchi +1 more | 2019-08-20 |
| 10001736 | Fixing device and image forming apparatus | Yoshihiro Yamagishi | 2018-06-19 |
| 9915900 | Fixing device and image forming apparatus | Yoshihiro Yamagishi | 2018-03-13 |
| 9817344 | Fixing device capable of sensing temperature of heating body outside frame surrounding heating body regardless of moving frame and image forming apparatus including this fixing device | Takefumi Yotsutsuji, Yoshihiro Yamagishi, Kotatsu Kawaguchi | 2017-11-14 |
| 9804547 | Fixing device and image forming apparatus that reduce rotation failure of fixing belt | Yoshihiro Yamagishi, Kotatsu Kawaguchi, Takefumi Yotsutsuji | 2017-10-31 |
| 9778607 | Fixing device having fixing belt and image forming apparatus including the same | Kotatsu Kawaguchi, Yoshihiro Yamagishi, Takefumi Yotsutsuji | 2017-10-03 |
| 9658583 | Fixing device and image forming apparatus | Takefumi Yotsutsuji, Yoshihiro Yamagishi | 2017-05-23 |
| 9454115 | Fixing device and image forming apparatus | Takefumi Yotsutsuji, Yoshiharu Kanematsu, Yoshihiro Yamagishi, Eriko Hayashi, Hironori Takahashi | 2016-09-27 |
| 9436141 | Fixing device comprising controller which judges whether or not fixing belt is rotating and image forming apparatus including same | Takefumi Yotsutsuji, Yoshihiro Yamagishi | 2016-09-06 |
| 9405245 | Fixing device comprising deformation preventing member for preventing deformation of fixing belt and image forming apparatus including same | Yoshihiro Yamagishi, Satoshi Ishii, Takefumi Yotsutsuji | 2016-08-02 |
| 9405246 | Fixing device comprising heating stop device to stop heat source from heating fixing belt and image forming apparatus including same | Yoshihiro Yamagishi, Satoshi Ishii, Takefumi Yotsutsuji | 2016-08-02 |
| 9400465 | Fixing device and image forming apparatus | Yoshihiro Yamagishi, Takefumi Yotsutsuji | 2016-07-26 |
| 9372457 | Fixing device and image forming apparatus | Yoshihiro Yamagishi, Satoshi Ishii, Takefumi Yotsutsuji | 2016-06-21 |
| 9335691 | Fixing device and image forming apparatus | Yoshihiro Yamagishi, Yoshiharu Kanematsu, Hironori Takahashi, Takefumi Yotsutsuji, Eriko Hayashi | 2016-05-10 |
| 9250589 | Fixing device and image forming apparatus having moving member to block radiant heat and moving by a friction force between a fixing belt and the moving member | — | 2016-02-02 |