Issued Patents 2011
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8041281 | Cleaning device, image forming apparatus, and process cartridge | Naomi Sugimoto, Hidetoshi Yano, Kenji Sugiura, Yasuyuki Yamashita | 2011-10-18 |
| 8027628 | Cleaning device, process cartridge, and image forming apparatus | Kazuhiko Watanabe, Masahiko Shakuto, Hidetosi Yano | 2011-09-27 |
| 8019268 | Polarity controlling device, and cleaner and image forming apparatus using the polarity controlling device | Hiroki Nakamatsu, Kenji Sugiura, Naomi Sugimoto, Hidetoshi Yano | 2011-09-13 |
| 7929897 | Cleaning unit, process cartridge, and image forming apparatus using the same | Naomi Sugimoto, Hidetoshi Yano, Kenji Sugiura, Yasuyuki Yamashita | 2011-04-19 |
| 7903995 | Cleaning device, image forming apparatus, and process cartridge | Hiroki Nakamatsu, Kenji Sugiura, Naomi Sugimoto, Hidetoshi Yano | 2011-03-08 |