Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8019268 | Polarity controlling device, and cleaner and image forming apparatus using the polarity controlling device | Kenji Sugiura, Naomi Sugimoto, Osamu Naruse, Hidetoshi Yano | 2011-09-13 |
| 7903995 | Cleaning device, image forming apparatus, and process cartridge | Kenji Sugiura, Naomi Sugimoto, Osamu Naruse, Hidetoshi Yano | 2011-03-08 |