Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9152091 | Transfer device and image forming apparatus for suppressing image defects occurring in an image transfer | Takaharu Nakajima, Sho Watanabe | 2015-10-06 |
| 9037021 | Image forming apparatus including a cleaning-bias controller | Masaaki Yamaura, Sho Watanabe | 2015-05-19 |
| 8644744 | Fixing device and image forming apparatus | Sho Watanabe, Yuichi Fukuda, Tomoyuki Ito, Ryosuke Takahashi | 2014-02-04 |
| 8620169 | Image forming apparatus | Yasumitsu HARASHIMA, Takaharu Nakajima | 2013-12-31 |
| 8478148 | Fixing unit and image forming apparatus | Sho Watanabe, Yuichi Fukuda, Chikara Ando, Toshiyuki Miyata | 2013-07-02 |
| 8437672 | Separation unit, fixing unit and image forming apparatus | Sho Watanabe, Junichi Ichikawa, Junpei Amano, Aya Kakishima | 2013-05-07 |
| 8417168 | Fixing device having a thermal-insulation member provided on a plate portion for guiding recording medium, and image forming apparatus | Yuichi Fukuda, Sho Watanabe | 2013-04-09 |
| 8364068 | Fixing device and image forming apparatus | Junichi Ichikawa, Junpei Amano, Aya Kakishima, Sho Watanabe | 2013-01-29 |
| 8095060 | Cleaning device and image forming apparatus | Yutaka Kiuchi, Satoshi Shigezaki, Satoya Sugiura, Ayumi Noguchi, Takayuki Yamashita +3 more | 2012-01-10 |
| 7979018 | Image forming apparatus for controlling the occurrence of residual images | — | 2011-07-12 |