Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9014606 | Image forming apparatus and image forming method | Koji Yamamoto | 2015-04-21 |
| 8634752 | Fixing device that fixes a toner image on a recording material | Koji Yamamoto, Masanori Murakami, Jinju Okuno | 2014-01-21 |
| 8583017 | Fixing device including an air separation section | Koji Yamamoto, Masanori Murakami, Jinju Okuno | 2013-11-12 |
| 8571454 | Fixing device and image forming apparatus provided therewith | Koji Yamamoto | 2013-10-29 |
| 8559858 | Fixing device and image forming apparatus | Masanori Murakami, Koji Yamamoto | 2013-10-15 |
| 8433229 | Fixing device, image forming apparatus and fixing method | Masanori Murakami, Jinju Okuno, Koji Yamamoto | 2013-04-30 |
| 8385798 | Fixing device and image forming apparatus | Masanori Murakami, Jinju Okuno, Koji Yamamoto | 2013-02-26 |
| 8340560 | Fixing device and image forming apparatus | Jinju Okuno, Masanori Murakami, Koji Yamamoto | 2012-12-25 |
| 8320807 | Image forming apparatus for forming an image on a sheet at a nip portion formed by rotary bodies | Masahiro Onodera, Junichi Hamada, Hidetoshi Katayanagi | 2012-11-27 |
| 8254810 | Image forming apparatus | Hisayoshi Nagase | 2012-08-28 |
| 8107867 | Image fixing device using a belt-driving method, and image forming apparatus using the same image fixing device | — | 2012-01-31 |
| 8045906 | Belt-type fixing device having a pressure roller with surface undulations | — | 2011-10-25 |
| 7991338 | Belt-type fixing device and image forming apparatus | — | 2011-08-02 |
| 7447451 | Image printing apparatus with fixing device | — | 2008-11-04 |
| 7359668 | Image fixing device | Yukio Okamoto | 2008-04-15 |
| 7352979 | Image forming apparatus having a cooling section in a fixing apparatus | Masami Maruko, Mikihiko Takada | 2008-04-01 |
| 7327964 | Image forming apparatus for fixing an image | Toshiki Hayami | 2008-02-05 |
| 7327963 | Image forming apparatus for determining and correcting magnification and location of image formation | — | 2008-02-05 |