Issued Patents All Time
Showing 1–25 of 85 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12386293 | Fixing device and image forming apparatus with a controller to switch between a first heating and a second heating | Kentaro Yamashita, Takamasa Hase, Daisuke Inoue, Mototaka IWAMA, Ryohhei Sugiyama | 2025-08-12 |
| 12072666 | Sheet conveying device, fixing device, and image forming apparatus | Takahiro Imada, Yoshikuni Sasaki, Hiromasa Takagi, Takuya Seshita, Hiroshi Yoshinaga | 2024-08-27 |
| 12066780 | Fixing device including nip formation plate having a plurality of protruding portions and image forming apparatus incorporating same | Shogo NAKAMOTO, Daisuke Inoue | 2024-08-20 |
| 10935911 | Fixing device capable of enhancing durability of endless belt and image forming apparatus incorporating the same | Teppei Kawata, Masahiko Satoh, Masaaki Yoshikawa, Kenji Ishii, Hiroshi Yoshinaga +13 more | 2021-03-02 |
| 10007213 | Fixing device, image forming apparatus, and slide member | Yutaka Ikebuchi, Hideo Nagafuji, Kohichi Utsunomiya, Motoyoshi Yamano | 2018-06-26 |
| 10001735 | Fixing device and image forming apparatus | Takahiro Imada, Masaaki Yoshikawa, Kenji Ishii, Hiroshi Yoshinaga, Yuji Arai +9 more | 2018-06-19 |
| 9983526 | Fixing device and image forming apparatus including same | Takeshi Uchitani, Masahiko Satoh, Kenji Ishii, Tadashi Ogawa, Teppei Kawata +19 more | 2018-05-29 |
| 9971289 | Image forming apparatus | Takamasa Hase, Masahiko Satoh, Shinichi Namekata, Kenji Ishii, Takeshi Uchitani +14 more | 2018-05-15 |
| 9927748 | Fixing device and image forming apparatus | Hiroshi Yoshinaga, Masahiko Satoh, Masaaki Yoshikawa, Kenji Ishii, Tadashi Ogawa +12 more | 2018-03-27 |
| 9897950 | Fixing device and image forming apparatus | Hideo Nagafuji, Kohichi Utsunomiya, Yutaka Ikebuchi, Motoyoshi Yamano | 2018-02-20 |
| 9869952 | Fixing device and image forming apparatus including a friction reducer including a lubricant | Kohichi Utsunomiya, Hideo Nagafuji, Yutaka Ikebuchi, Motoyoshi Yamano | 2018-01-16 |
| 9817345 | Fixing device, image forming apparatus, and method of controlling fixing device | Motoyoshi Yamano, Tetsuo Tokuda, Yoshikuni Sasaki, Hiroshi Ono, Hironori Yamaoka +3 more | 2017-11-14 |
| 9811031 | Fixing device capable of enhancing durability of endless belt and image forming apparatus incorporating the same | Teppei Kawata, Masahiko Satoh, Masaaki Yoshikawa, Kenji Ishii, Hiroshi Yoshinaga +13 more | 2017-11-07 |
| 9727008 | Fixing device and image forming apparatus including the fixing device | Teppei Kawata, Masahiko Satoh, Kenji Ishii, Masaaki Yoshikawa, Hiroshi Yoshinaga +13 more | 2017-08-08 |
| 9715203 | Fixing device and image forming apparatus including same | Takeshi Uchitani, Masahiko Satoh, Kenji Ishii, Tadashi Ogawa, Teppei Kawata +19 more | 2017-07-25 |
| 9690243 | Image forming apparatus including a fixing device that includes a radiant heat heating source and a fixing member that rotates before an abnormality solved | Takamasa Hase, Masahiko Satoh, Shinichi Namekata, Kenji Ishii, Takeshi Uchitani +14 more | 2017-06-27 |
| 9650219 | Paper conveying device and image forming device | Hideo Nagafuji, Yuji Arai, Kohichi Utsunomiya, Kiho Sai, Shohei Saito +2 more | 2017-05-16 |
| 9599940 | Fixing device with nip forming member having a high thermal-conductive layer with a low thermal conductive portion | Motoyoshi Yamano, Kohichi Utsunomiya, Hiromasa Takagi, Kenji Ishii, Takayuki Seki +6 more | 2017-03-21 |
| 9557692 | Fixing device and image forming apparatus | Takahiro Imada, Masaaki Yoshikawa, Kenji Ishii, Hiroshi Yoshinaga, Yuji Arai +9 more | 2017-01-31 |
| 9507306 | Fixing device with a temperature detector adjacent an easily deformable location and image forming apparatus including same | Takeshi Uchitani, Masahiko Satoh, Masaaki Yoshikawa, Kenji Ishii, Tadashi Ogawa +13 more | 2016-11-29 |
| 9494900 | Fixing device and image forming apparatus including a nip-forming-member supported by at least two plates joined together | Kohichi Utsunomiya, Hideo Nagafuji, Yuji Arai, Qifeng Cui, Shohei Saito +2 more | 2016-11-15 |
| 9477182 | Fixing device of an image forming apparatus that utilizes edge detections for heat shield positional determinations | Yutaka Ikebuchi, Hideo Nagafuji, Yuji Arai, Kohichi Utsunomiya, Kiho Sai +2 more | 2016-10-25 |
| 9454114 | Fixing device and image forming apparatus including same | Takamasa Hase, Masahiko Satoh, Masaaki Yoshikawa, Kenji Ishii, Hiroshi Yoshinaga +13 more | 2016-09-27 |
| 9429888 | Fixing device and image forming apparatus which utilizes a nip supporting member to support a nip forming member | Kohichi Utsunomiya, Hideo Nagafuji, Yuji Arai, Kiho Sai, Shohei Saito +2 more | 2016-08-30 |
| 9405242 | Fixing device and image forming device | Takamasa Hase, Kenji Ishii, Tadashi Ogawa, Teppei Kawata, Toshihiko Shimokawa +12 more | 2016-08-02 |