Issued Patents All Time
Showing 51–75 of 81 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8346105 | Information storage device, removable device, developer container, and image forming apparatus | Yasufumi Takahashi, Kunihiro Ohyama, Masayuki Yamane, Takeshi Uchitani, Tadashi Hayakawa +5 more | 2013-01-01 |
| 8311469 | Fixing device and image forming apparatus incorporating same | Masaaki Yoshikawa, Yoshiki Yamaguchi, Toshihiko Shimokawa, Kenji Ishii, Naoki Iwaya +8 more | 2012-11-13 |
| 8280290 | Fixing device and image forming apparatus | Hiroshi Yoshinaga | 2012-10-02 |
| 8233833 | Fixing device and image forming apparatus | — | 2012-07-31 |
| 8219015 | Fixing device and image forming apparatus incorporating same which includes a plate spring to press a low-friction sheet | Hiroshi Yoshinaga, Kenichi Hasegawa | 2012-07-10 |
| 8219016 | Fixing device and image forming apparatus incorporating same | Kenichi Hasegawa, Hiroshi Yoshinaga, Yoshiki Yamaguchi, Yutaka Ikebuchi, Ippei Fujimoto +3 more | 2012-07-10 |
| 8213827 | Fixing device, image forming apparatus incorporating same, and fixing method | Kenichi Hasegawa, Hiroshi Yoshinaga, Yoshiki Yamaguchi, Yutaka Ikebuchi, Ippei Fujimoto +3 more | 2012-07-03 |
| 8195076 | Fixing device and image forming apparatus including same | — | 2012-06-05 |
| 8195059 | Fixing device and image forming apparatus using the same | — | 2012-06-05 |
| 8190060 | Fixing device, image forming apparatus, and method of manufacturing toner for image forming apparatus | Hiroshi Yoshinaga | 2012-05-29 |
| 8160484 | Fixing device and image forming apparatus incorporating same | Kenichi Hasegawa, Hiroshi Yoshinaga, Yasunori Ishigaya, Ryota Yamashina | 2012-04-17 |
| 8116670 | Fixing device and image forming apparatus using the same | — | 2012-02-14 |
| 8095030 | Fixing device and image forming apparatus using the same | — | 2012-01-10 |
| 8086159 | Fixing device and image forming apparatus including the fixing device | — | 2011-12-27 |
| 8064798 | Fixing device and image forming apparatus with heating member heated uniformly in circumferential direction | Kenichi Hasegawa, Hiroshi Yoshinaga, Yasunori Ishigaya, Ryota Yamashina | 2011-11-22 |
| 8050607 | Image forming apparatus, fixing unit, and image forming method with a cleaning mechanism that contacts a tension mechanism | Hiroshi Seo | 2011-11-01 |
| 8023861 | Fixing device and image-forming apparatus comprising the same | Hiroshi Yoshinaga, Masanao Ehara, Naoki Iwaya, Yoshiki Yamaguchi | 2011-09-20 |
| 8010028 | Image forming apparatus and fixing device | — | 2011-08-30 |
| 7983598 | Fixing device and image forming apparatus | Hiroshi Yoshinaga | 2011-07-19 |
| 7899350 | Fixing device and image forming apparatus using the same | — | 2011-03-01 |
| 7869753 | Fixing device and image forming apparatus | — | 2011-01-11 |
| 7742714 | Image fixing apparatus, image forming apparatus, and image fixing method capable of effectively controlling an image fixing temperature | Hiroshi Seo | 2010-06-22 |
| 7593680 | Image forming apparatus including a fixing apparatus capable of effectively maintaining fixability for an extended period of use | — | 2009-09-22 |
| 7574153 | Image forming method and apparatus including adjustable conveyance speed to prevent image shock jitter | Takahiro Nakayama, Masahiko Satoh | 2009-08-11 |
| 7454151 | Image forming apparatus, fixing unit having a selectively controlled power supply and associated methodology | Masahiko Satoh, Naoki Iwaya | 2008-11-18 |