| 12399451 |
Fixing device for image forming apparatus with retention member having groove for retaining lubricant |
Ryohei Tokunaga, Hiroki Kawasaki, Shunsaku FUJII, Rina Kikugawa, Akihiro Kondo +2 more |
2025-08-26 |
| 12332592 |
Fixing device including heater retention member, having slits formed on face opposing inner circumferential surface of fixing belt, and image forming apparatus |
Hiroki Kawasaki, Ryohei Tokunaga, Akihiro Kondo, Rina Kikugawa, Shunsaku FUJII +1 more |
2025-06-17 |
| 12013654 |
Fixing device and image forming apparatus provided therewith |
Hiroki Kawasaki, Takashi Eiki, Ryohei Tokunaga, Rina Kikugawa, Shunsaku FUJII +1 more |
2024-06-18 |
| 11768455 |
Fixing device and image forming apparatus |
Rina Kikugawa, Takashi Eiki, Akihiro Kondo, Ryohei Tokunaga, Hiroki Kawasaki +2 more |
2023-09-26 |
| 11644772 |
Image forming apparatus |
Takashi Eiki, Akihiro Kondo, Ryohei Tokunaga, Hiroki Kawasaki, Shunsaku FUJII +2 more |
2023-05-09 |
| 11614701 |
Image forming apparatus |
Akihiro Kondo, Takashi Eiki, Ryohei Tokunaga, Rina Kikugawa, Hiroki Kawasaki +2 more |
2023-03-28 |
| 11137705 |
Fixing device, image forming apparatus |
Shunsaku FUJII, Takashi Eiki, Hiroki Kawasaki, Ryohei Tokunaga, Rina Kikukawa +5 more |
2021-10-05 |
| 10545447 |
Image forming apparatus |
Yoshihiro Yamagishi, Kenichi Kasama, Koji Uno, Nobuyuki Hayashi |
2020-01-28 |
| 10514639 |
Heating unit, fixing device, and image forming apparatus |
Hiroki Kawasaki, Takashi Eiki, Kotatsu Kawaguchi, Ryohei Tokunaga, Atsushi Kohama +3 more |
2019-12-24 |
| 10185281 |
Image forming apparatus provided with a photosensitive member having a photosensitive layer and a surface protection layer which is formed on the surface of the photosensitive layer and which has a hardness higher than that of the photosensitive layer |
Tamotsu Shimizu, Yoshihiro Yamagishi, Akifumi Yamaguchi, Koji Uno, Kenichi Kasama +1 more |
2019-01-22 |
| 10120315 |
Image forming apparatus |
— |
2018-11-06 |
| 9835989 |
Image forming apparatus |
— |
2017-12-05 |
| 9568861 |
Image forming apparatus having a cleaning member that controls rotation speed according to sheet thickness and number of sheets |
Koji Uno, Satoshi Uemura |
2017-02-14 |