Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10437195 | Image forming apparatus having a heater that generates heat using alternating current voltage and a heater that generates heat using a direct current voltage | Yoritsugu Maeda, Kazuhisa Koizumi | 2019-10-08 |
| 9946215 | Image forming apparatus that switches between a first supply mode and a second supply mode | Kazuhisa Koizumi, Teruhiko Suzuki, Toshinori Kimura | 2018-04-17 |
| 9342017 | Power supply apparatus for safety load shutdown and image forming apparatus including the same | Manabu Koseki, Tetsuya Nozaki, Yoritsugu Maeda | 2016-05-17 |
| 8983314 | Image forming apparatus capable of detecting contact fusion, and relay control apparatus | — | 2015-03-17 |
| 8886073 | Image forming apparatus that carries out image formation using electrophotographic method | — | 2014-11-11 |
| 7730541 | Data processing apparatus including data erasure in response to power loss and data erasing method therefor | Tadashi Kawaguchi, Hideki Hirose, Kei Morita, Takahiro Haraguchi, Fumio Mikami | 2010-06-01 |
| 7668497 | Image heating roller, image heating heater, with microwave blocking layer | Yoritsugu Maeda, Hiromichi Tsujino, Koji Doi | 2010-02-23 |