Issued Patents All Time
Showing 101–125 of 147 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8811874 | Belt device with mechanism capable of minimizing increase of rotation torque of endless belt and fixing device and image forming apparatus incorporating same | Kenji Ishii, Masaaki Yoshikawa, Hiroshi Yoshinaga, Naoki Iwaya, Yoshiki Yamaguchi +6 more | 2014-08-19 |
| 8792797 | Fixing device, image forming apparatus, and heater control method | Yutaka Ikebuchi, Masaaki Yoshikawa, Kenji Ishii, Hiroshi Yoshinaga, Yuji Arai +9 more | 2014-07-29 |
| 8761650 | Fixing device and image forming apparatus | Hiromasa Takagi, Masaaki Yoshikawa, Kenji Ishii, Hiroshi Yoshinaga, Yuji Arai +9 more | 2014-06-24 |
| 8737878 | Image forming apparatus including removable fixing device | Yoshiki Yamaguchi, Akira Shinshi, Kenichi Hasegawa, Hiroshi Yoshinaga, Naoki Iwaya +3 more | 2014-05-27 |
| 8725038 | Belt assembly, fixing device, and image forming apparatus incorporating same | Yoshiki Yamaguchi, Masaaki Yoshikawa, Kenji Ishii, Yuji Arai, Hiromasa Takagi +9 more | 2014-05-13 |
| 8682218 | Fixing device and image forming apparatus incorporating same | Yoshiki Yamaguchi, Masaaki Yoshikawa, Kenji Ishii, Hiroshi Yoshinaga, Yuji Arai +9 more | 2014-03-25 |
| 8682192 | Image forming apparatus | Yutaka Ikebuchi, Yoshiki Yamaguchi, Kenji Ishii, Naoki Iwaya, Takahiro Imada +5 more | 2014-03-25 |
| 8676104 | Fixing device and image forming apparatus | Masaaki Yoshikawa, Tetsuo Tokuda, Yutaka Ikebuchi, Takuya Seshita, Hiroshi Yoshinaga +9 more | 2014-03-18 |
| 8676103 | Fixing device and image forming apparatus incorporating same | Masaaki Yoshikawa, Yuji Arai, Hiromasa Takagi, Yoshiki Yamaguchi, Arinobu Yoshiura +9 more | 2014-03-18 |
| 8676101 | Fixing device having metal pipe with rough section and image forming apparatus incorporating same | Masaaki Yoshikawa, Akira Shinshi, Yoshiki Yamaguchi, Tetsuo Tokuda, Yutaka Ikebuchi +5 more | 2014-03-18 |
| 8655246 | Fixing device and image forming apparatus incorporating same | Tetsuo Tokuda, Masaaki Yoshikawa, Kenji Ishii, Hiroshi Yoshinaga, Naoki Iwaya +6 more | 2014-02-18 |
| 8655244 | Fixing device and image forming apparatus incorporating same | Kenichi Hasegawa, Masaaki Yoshikawa, Akira Shinshi, Kenji Ishii, Hiroshi Yoshinaga +8 more | 2014-02-18 |
| 8655211 | Fixing device and image forming apparatus incorporating same | Ippei Fujimoto, Yuji Arai, Hiromasa Takagi, Yoshiki Yamaguchi, Naoki Iwaya +9 more | 2014-02-18 |
| 8630572 | Fixing device and image forming apparatus including same | Ippei Fujimoto, Hiroshi Yoshinaga, Tetsuo Tokuda, Takamasa Hase, Kenji Ishii +7 more | 2014-01-14 |
| 8615175 | Fixing unit and image forming apparatus including same | Takahiro Imada, Masaaki Yoshikawa, Kenji Ishii, Akira Shinshi, Hiroshi Yoshinaga +7 more | 2013-12-24 |
| 8600277 | Fixing device and image forming apparatus incorporating same | Masaaki Yoshikawa, Yoshiki Yamaguchi, Kenji Ishii, Naoki Iwaya, Takahiro Imada +6 more | 2013-12-03 |
| 8600276 | Heat conduction unit, fixing device, and image forming apparatus | Kenji Ishii, Masaaki Yoshikawa, Tetsuo Tokuda, Yoshiki Yamaguchi, Kenichi Hasegawa +8 more | 2013-12-03 |
| 8594549 | Image forming apparatus incorporating a fixing device and contact member to reduce fixing member deformation | Masaaki Yoshikawa, Akira Shinshi, Kenji Ishii, Hiroshi Yoshinaga, Naoki Iwaya +8 more | 2013-11-26 |
| 8588670 | Fixing device having a reflector and image forming apparatus incorporating same | Masaaki Yoshikawa, Kenji Ishii, Naoki Iwaya, Tetsuo Tokuda, Yoshiki Yamaguchi +7 more | 2013-11-19 |
| 8588668 | Fixing device and image forming apparatus incorporating same | Kenji Ishii, Masaaki Yoshikawa, Yoshiki Yamaguchi, Naoki Iwaya, Takahiro Imada +6 more | 2013-11-19 |
| 8588638 | Fixing device and image forming apparatus incorporating same | Naoki Iwaya, Masaaki Yoshikawa, Kenji Ishii, Hiroshi Yoshinaga, Tetsuo Tokuda +6 more | 2013-11-19 |
| 8583020 | Fixing device and image forming apparatus incorporating same | Masaaki Yoshikawa, Yoshiki Yamaguchi, Kenji Ishii, Naoki Iwaya, Takahiro Imada +5 more | 2013-11-12 |
| 8583019 | Fixing device and image forming apparatus incorporating same | Kenji Ishii, Masaaki Yoshikawa, Yoshiki Yamaguchi, Naoki Iwaya, Takahiro Imada +7 more | 2013-11-12 |
| 8559839 | Fixing device and image forming apparatus incorporating | Takamasa Hase, Kenji Ishii, Masaaki Yoshikawa, Tetsuo Tokuda, Naoki Iwaya +5 more | 2013-10-15 |
| 8548366 | Fixing device and image forming apparatus incorporating same | Tetsuo Tokuda, Masaaki Yoshikawa, Kenji Ishii, Hiroshi Yoshinaga, Naoki Iwaya +5 more | 2013-10-01 |