Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8849172 | Glossing device, fixing device, and image forming apparatus incorporating same | Hiroyuki Kunii, Akiyasu Amita, Satoshi Muramatsu | 2014-09-30 |
| 8774692 | Fixing device and image forming apparatus incorporating same | Satoshi Muramatsu, Akiyasu Amita, Hiroyuki Kunii | 2014-07-08 |
| 8755730 | Glossing device and image forming apparatus incorporating same | Akiyasu Amita, Hiroyuki Kunii, Satoshi Muramatsu | 2014-06-17 |
| 8688021 | Glossing device, fixing device, and image forming apparatus incorporating same | Hiroyuki Kunii, Akiyasu Amita, Satoshi Muramatsu | 2014-04-01 |
| 8457540 | Fixing device and image forming apparatus incorporating same | Satoshi Muramatsu, Misaki Shimizu | 2013-06-04 |
| 8331840 | Fixing device and image forming apparatus using interdigitated rollers | Yukimichi Someya, Satoshi Muramatsu | 2012-12-11 |
| 7590376 | Fixing method, a fixing apparatus, an image formation method, and an image formation apparatus | Naoki Iwata | 2009-09-15 |
| 7356298 | Image fixing apparatus using pulsating power for heating | Naoki Iwata | 2008-04-08 |
| 7352987 | Fixing device and image forming apparatus for holding a recording medium by electrostatic force | Naoki Iwata, Hiromasa Takagi | 2008-04-01 |
| 7309553 | Oilless toner | Naoki Iwata | 2007-12-18 |
| 7295795 | Image forming apparatus and an impurity collecting device associated with registration rollers | Koji Suzuki, Hideaki Mochimaru, Naoki Iwata, Hiroshi Yokoyama, Norimasa Sohmiya +4 more | 2007-11-13 |
| 7254360 | Image fixing apparatus, and, image forming apparatus having the same, and image forming process | — | 2007-08-07 |
| 7197269 | Method, system and apparatus for transferring toner images to both sides of a recording medium | Yasukuni Omata, Hideaki Mochimaru, Chiemi Kaneko, Koji Suzuki, Naoki Iwata +4 more | 2007-03-27 |
| 7046949 | Image fixing apparatus using pulsating power for heating | Naoki Iwata | 2006-05-16 |
| 7003251 | Image forming method having transfer temperature difference and apparatus for the same | Koji Suzuki, Hideaki Mochimaru, Naoki Iwata, Hiroshi Yokoyama, Norimasa Sohmiya +4 more | 2006-02-21 |
| 6983117 | Image forming apparatus configured for double sided printing | Norimasa Sohmiya, Koji Suzuki, Hideaki Mochimaru, Naoki Iwata, Hiroshi Yokoyama +4 more | 2006-01-03 |
| 6939614 | Image-fixing member, image-fixing apparatus and image-forming apparatus using the same | — | 2005-09-06 |
| 6924074 | TONER FOR ELECTROPHOTOGRAPHY, DEVELOPER FOR ELECTROPHOTOGRAPHY USING THE SAME, IMAGE-FORMING PROCESS CARTRIDGE USING THE SAME, IMAGE-FORMING APPARATUS USING THE SAME AND IMAGE-FORMING PROCESS USING THE SAME | — | 2005-08-02 |
| 6778788 | Fixing apparatus and method for controlling amount of heat produced by heater in accordance with image information | Koji Ozaki | 2004-08-17 |
| 6653039 | Toner, and electrophotographic image forming method and apparatus using the toner | — | 2003-11-25 |
| 6623897 | Image forming method | — | 2003-09-23 |
| 6519439 | Toner image fixing method and apparatus | — | 2003-02-11 |
| 6505016 | Image forming apparatus including a fixer and a pressure applicator | — | 2003-01-07 |
| 6492084 | Toner for use in electrophotography and image formation method using the toner | — | 2002-12-10 |
| 6455217 | Toner and developer for electrophotography | — | 2002-09-24 |