Issued Patents All Time
Showing 1–25 of 85 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12422766 | Fixing device and image forming apparatus incorporating same | Hiroshi Yoshinaga, Ryohhei Sugiyama, Ryohei Matsuda, Yoshiki Yamaguchi | 2025-09-23 |
| 12353150 | Fixing device and image forming apparatus | Hiroshi Yoshinaga, Yoshiki Yamaguchi, Ryohei Matsuda, Ryohhei Sugiyama | 2025-07-08 |
| 12197150 | Fixing device and image forming apparatus incorporating the same | Ryohei Matsuda, Yoshiki Yamaguchi, Hiroshi Yoshinaga, Ryohhei Sugiyama | 2025-01-14 |
| 11803143 | Nip formation pad, heating device, fixing device, and image forming apparatus | Yoshiki Yamaguchi, Ippei Fujimoto, Hiroshi Yoshinaga, Kentaro Yamashita | 2023-10-31 |
| 11780244 | Heating device, liquid applying apparatus, image forming apparatus, post-processing apparatus, and conveying device | Takamasa Hase | 2023-10-10 |
| 11691835 | Conveying device, liquid applying apparatus, image forming apparatus, and post-processing apparatus | Takamasa Hase | 2023-07-04 |
| 11681250 | Nip former, fixing device, and image forming apparatus | Toshiyuki Kabata, Yoshiki Yamaguchi, Hiroshi Yoshinaga, Kentaro Yamashita, Daisuke Inoue | 2023-06-20 |
| 11402781 | Heating device, liquid applying apparatus, image forming apparatus, post-processing apparatus, and conveying device | Takamasa Hase | 2022-08-02 |
| 11099509 | Fixing device and image forming apparatus | Ippei Fujimoto, Yoshiki Yamaguchi, Hiroshi Yoshinaga | 2021-08-24 |
| 10942475 | Fixing device and image forming apparatus including nip former of specific surface roughness | Ippei Fujimoto, Yoshiki Yamaguchi, Hiroyuki Shimada | 2021-03-09 |
| 10691049 | Fixing device and image forming apparatus | Ippei Fujimoto, Hiroyuki Shimada, Yoshiki Yamaguchi, Takayuki Seki | 2020-06-23 |
| 10571837 | Fixing device and image forming apparatus | Yoshiki Yamaguchi, Ippei Fujimoto, Hiroyuki Shimada, Takayuki Seki, Yoshiyuki Fukuda +1 more | 2020-02-25 |
| 10331062 | Image forming apparatus and image forming method | Hiroshi Yoshinaga, Kenji Ishii, Hiroyuki Shimada, Ippei Fujimoto, Takayuki Seki +1 more | 2019-06-25 |
| 10317823 | Fixing device and image forming apparatus having a thermal conduction aid contacting a nip formation pad | Ippei Fujimoto, Hiroshi Yoshinaga, Kenji Ishii, Hiroyuki Shimada, Takayuki Seki +1 more | 2019-06-11 |
| 10295937 | Fixing device and image forming apparatus | Kazunari Sawada, Ippei Fujimoto, Kenji Ishii, Hiroyuki Shimada, Hiroshi Yoshinaga +1 more | 2019-05-21 |
| 10295939 | Fixing device including a pressure rotator and a thermal conduction aid, and image forming apparatus including the fixing device | Hiroshi Yoshinaga, Kenji Ishii, Ippei Fujimoto, Takayuki Seki, Kazunari Sawada +1 more | 2019-05-21 |
| 10289037 | Fixing device and image forming apparatus | Takayuki Seki, Kenji Ishii, Hiroshi Yoshinaga, Ippei Fujimoto, Kazunari Sawada +1 more | 2019-05-14 |
| 10241448 | Fixing device and image forming apparatus having nip pad including a center bend line | Kazunari Sawada, Ippei Fujimoto, Kenji Ishii, Hiroshi Yoshinaga, Takayuki Seki | 2019-03-26 |
| 10222732 | Fixing device having a lateral end heater and image forming apparatus incorporating same | Takayuki Seki, Kenji Ishii, Hiroshi Yoshinaga, Ippei Fujimoto, Kazunari Sawada +1 more | 2019-03-05 |
| 10082751 | Fixing device and image forming apparatus | Kenji Ishii, Hiroshi Yoshinaga, Takayuki Seki, Ippei Fujimoto, Hiroyuki Shimada +2 more | 2018-09-25 |
| 10042297 | Fixing device and image forming apparatus incorporating same | Kazunari Sawada, Kenji Ishii, Kazuhito Kishi, Takayuki Seki, Ippei Fujimoto +2 more | 2018-08-07 |
| 10042295 | Fixing device, image forming apparatus, and image forming method | Hiroshi Yoshinaga, Kenji Ishii, Kazuhito Kishi, Takayuki Seki, Ippei Fujimoto +2 more | 2018-08-07 |
| 10025247 | Fixing device including a pressure pad with at least one mouth, and image forming apparatus incorporating same | Kazunari Sawada, Ippei Fujimoto, Kenji Ishii, Takayuki Seki, Hiroshi Yoshinaga +1 more | 2018-07-17 |
| 9989905 | Fixing device and image forming apparatus | Takayuki Seki, Hiroshi Yoshinaga, Kenji Ishii, Ippei Fujimoto, Kazunari Sawada | 2018-06-05 |
| 9964905 | Fixing device and image forming apparatus | Takayuki Seki, Kenji Ishii, Kazuhito Kishi, Hiroshi Yoshinaga, Ippei Fujimoto +2 more | 2018-05-08 |