Issued Patents All Time
Showing 1–25 of 115 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12339604 | Fixing device and image forming apparatus including a pivot restrictor to restrict pivoting of a conductive member | Hitoshi Fujiwara, Shigeo Nanno, Yutaka Ikebuchi, Yuusuke Furuichi | 2025-06-24 |
| 12072666 | Sheet conveying device, fixing device, and image forming apparatus | Takahiro Imada, Yoshikuni Sasaki, Takuya Seshita, Hiroshi Yoshinaga, Arinobu Yoshiura | 2024-08-27 |
| 11841652 | Contact-separation device, fixing device, and image forming apparatus | Seiji Saitoh, Takahiro Imada, Yoshikuni Sasaki, Tamotsu Ikeda, Jun Okamoto | 2023-12-12 |
| 11693362 | Image forming apparatus | Seiji Saitoh, Jun Okamoto, Tamotsu Ikeda, Yoshikuni Sasaki, Takahiro Imada | 2023-07-04 |
| 11500314 | Image forming apparatus and cleaning method | Keitaro Shoji, Yoshio Hattori, Yoshikuni Sasaki, Takahiro Imada, Yasunori Ishigaya +1 more | 2022-11-15 |
| 11256200 | Fixing device, heating device, and image forming device with a substrate covering member covering a relay substrate | Takahiro Imada, Yoshio Hattori, Yoshikuni Sasaki, Yasunori Ishigaya, Takumi Waida | 2022-02-22 |
| 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 |
| 10678170 | Fixing device and image forming apparatus | Yasunori Ishigaya, Kazuya Saito, Keitaro Shoji, Toshihiko Shimokawa | 2020-06-09 |
| 10156818 | Fixing device and image forming apparatus | Yasunori Ishigaya, Kazuya Saito, Keitaro Shoji, Toshihiko Shimokawa | 2018-12-18 |
| 10152006 | Fixing device and image forming apparatus | Yasunori Ishigaya, Yutaka Ikebuchi, Kazuya Saito, Keitaro Shoji, Ryohei Matsuda +2 more | 2018-12-11 |
| 10061235 | Fixing device and image forming apparatus | Keitaro Shoji, Yasunori Ishigaya, Kazuya Saito, Ryohei Matsuda, Ryuuichi Mimbu +1 more | 2018-08-28 |
| 10012932 | Image forming apparatus incorporating fixing device | Yasunori Ishigaya, Ryuuichi Mimbu, Toshihiko Shimokawa, Kazuya Saito, Keitaro Shoji | 2018-07-03 |
| 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 |
| 9904220 | Fixing device and image forming apparatus | Kazuya Saito, Yasunori Ishigaya, Keitaro Shoji, Toshihiko Shimokawa | 2018-02-27 |
| 9874839 | Fixing device and image forming apparatus | Kazunari Sawada, Kenji Ishii, Kazuhito Kishi, Takayuki Seki, Hiroshi Yoshinaga +5 more | 2018-01-23 |
| 9851663 | Fixing device and image forming apparatus | Shohta Kobashigawa, Kenji Ishii, Kazuhito Kishi, Takayuki Seki, Hiroshi Yoshinaga +6 more | 2017-12-26 |
| 9829840 | Fixing device and image forming apparatus | Takashi Seto, Kenji Ishii, Susumu Matsusaka, Yasuhiko Ogino, Shohta Kobashigawa +6 more | 2017-11-28 |
| 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 |
| 9678460 | Fixing device, image forming apparatus, and fixing method | Takamasa Hase, Susumu Matsusaka, Yasuhiko Ogino, Shohta Kobashigawa, Kenji Ishii +6 more | 2017-06-13 |