Issued Patents All Time
Showing 1–25 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12409971 | Packing member, toner container, and packing method | Seiji Terazawa, Yosio Sano, Teruo Shibata, Tatsuya Kubo | 2025-09-09 |
| 11835887 | Developer accommodating device with screw including screw blade as rotator, developing device, process cartridge, and image forming apparatus | Yuuki Tsuchiya, Yoshihiro Fujiwara, Tomohiro Kubota, Ryusuke Mase | 2023-12-05 |
| 11215948 | Powder collection device and image forming apparatus incorporating same | Junichi Matsumoto, Tatsuya Kubo, Hiroaki Okamoto | 2022-01-04 |
| 11029623 | Powder amount detector including a pair of measuring electrodes | Tatsuya Kubo, Junichi Matsumoto, Hiroaki Okamoto | 2021-06-08 |
| 10649367 | Powder supply device and image forming apparatus incorporating same | Junichi Matsumoto, Tatsuya Kubo, Hiroaki Okamoto | 2020-05-12 |
| 9983526 | Fixing device and image forming apparatus including same | Takeshi Uchitani, Masahiko Satoh, Kenji Ishii, Tadashi Ogawa, Teppei Kawata +19 more | 2018-05-29 |
| 9715203 | Fixing device and image forming apparatus including same | Takeshi Uchitani, Masahiko Satoh, Kenji Ishii, Tadashi Ogawa, Teppei Kawata +19 more | 2017-07-25 |
| 9501011 | Fixing device and image forming apparatus including same | Ippei Fujimoto, Akira Shinshi, Naoki Iwaya, Yoshiki Yamaguchi, Hiroshi Yoshinaga +3 more | 2016-11-22 |
| 9405239 | Fixing device, image forming apparatus, and fixing method | Yutaka Ikebuchi, Takayuki Seki, Yuji Arai, Yoshiki Yamaguchi, Kazuya Saito | 2016-08-02 |
| 9405223 | Developing device, image forming apparatus, and process cartridge | Yuki Oshikawa, Noriyuki Kimura, Kenji Kikuchi, Yoshihiro Fujiwara | 2016-08-02 |
| 9348272 | Fixing device including a reinforced heat shield and image forming apparatus | Takayuki Seki, Hiroshi Yoshinaga, Yuji Arai, Ryuuichi Mimbu, Yoshiki Yamaguchi +4 more | 2016-05-24 |
| 9316968 | Fixing device and image forming apparatus | Kazuya Saito, Takayuki Seki, Hiroshi Yoshinaga, Yuji Arai, Ryuuichi Mimbu +4 more | 2016-04-19 |
| 9310733 | Fixing device and image forming apparatus including same | Hiroshi Yoshinaga, Masaaki Yoshikawa, Kenichi Hasegawa, Kenji Ishii, Akira Shinshi +8 more | 2016-04-12 |
| 9239553 | Fixing device and image forming apparatus | Yuji Arai, Takayuki Seki, Yoshiki Yamaguchi, Yutaka Ikebuchi, Kazuya Saito +17 more | 2016-01-19 |
| 9239559 | Fixing device and image forming apparatus including same | Takeshi Uchitani, Masahiko Satoh, Kenji Ishii, Tadashi Ogawa, Teppei Kawata +19 more | 2016-01-19 |
| 9229379 | Fixing device and image forming apparatus | Takayuki Seki, Yuji Arai, Yoshiki Yamaguchi, Yutaka Ikebuchi, Kazuya Saito +2 more | 2016-01-05 |
| 9152106 | Fixing device and image forming apparatus including same | Yoshiki Yamaguchi, Takayuki Seki, Yuji Arai, Yutaka Ikebuchi, Kazuya Saito +10 more | 2015-10-06 |
| 9128426 | Fixing device and image forming apparatus including same | Ippei Fujimoto, Akira Shinshi, Naoki Iwaya, Yoshiki Yamaguchi, Hiroshi Yoshinaga +3 more | 2015-09-08 |
| 9046838 | Fixing device and image forming apparatus | Yuji Arai, Takayuki Seki, Yoshiki Yamaguchi, Yutaka Ikebuchi, Kazuya Saito +17 more | 2015-06-02 |
| 9046833 | Fixing device and image forming apparatus incorporating same | Takayuki Seki, Yuji Arai, Yoshiki Yamaguchi, Yutaka Ikebuchi, Kazuya Saito +2 more | 2015-06-02 |
| 8886090 | Fixing device including an engagement-disengagement unit and image forming apparatus equipped with the fixing device | Teppei Kawata, Kenji Ishii, Tadashi Ogawa, Arinobu Yoshiura, Toshihiko Shimokawa +12 more | 2014-11-11 |
| 8843043 | Fixing device and image forming apparatus incorporating same | Naoki Iwaya, Masaaki Yoshikawa, Akira Shinshi, Kenji Ishii, Kenichi Hasegawa +6 more | 2014-09-23 |
| 8831494 | Fixing device and image forming apparatus including same | Yutaka Ikebuchi, Hiroshi Yoshinaga, Toshihiko Shimokawa, Masaaki Yoshikawa, Yoshiki Yamaguchi +8 more | 2014-09-09 |
| 8737878 | Image forming apparatus including removable fixing device | Yoshiki Yamaguchi, Akira Shinshi, Kenichi Hasegawa, Hiroshi Yoshinaga, Naoki Iwaya +3 more | 2014-05-27 |
| 8724178 | Image forming apparatus | Hiroyuki Kunii, Akiyasu Amita | 2014-05-13 |