Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9250555 | Charging roll, process cartridge, and image forming apparatus | Yohei Saito | 2016-02-02 |
| 8526843 | Cleaning element for an image-forming apparatus, charging device, process cartridge and image-forming apparatus | Makoto Nishimura | 2013-09-03 |
| 7706713 | Image forming apparatus and cleaning method therefor | Yasutomo Ishii | 2010-04-27 |