Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9720356 | Image forming apparatus and image forming method | Naoki Ota, Katsuyuki Kitajima | 2017-08-01 |
| 9547256 | Developing device, image forming apparatus, and process cartridge | Naoki Ota, Katsuyuki Kitajima | 2017-01-17 |
| 9513593 | Image forming apparatus and process cartridge | — | 2016-12-06 |
| 9367001 | Image forming apparatus and image forming method | Katsuyuki Kitajima, Naoki Ota | 2016-06-14 |
| 8090298 | Electrostatic charging member, electrostatic charging device, process cartridge and image forming apparatus | Takuro Hoshio, Noboru Wada, Makoto Takemoto, Naoki Ohta, Kenji Inoue +4 more | 2012-01-03 |
| 7801461 | Charging member cleaning roller, charging member cleaning roller for charging device, process cartridge and image forming apparatus | Takuro Hoshio, Fumio Ojima, Yoshihiro Maekawa, Taichi Yamada, Naoki Ohta +2 more | 2010-09-21 |