Issued Patents 2011
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8086141 | Electric charging apparatus and image forming apparatus using the same | Yukimichi Someya, Eiichi Ohta, Takuro Sekiya, Yasuo Katano, Shohji Tanaka +2 more | 2011-12-27 |
| 8041281 | Cleaning device, image forming apparatus, and process cartridge | Hidetoshi Yano, Kenji Sugiura, Osamu Naruse, Yasuyuki Yamashita | 2011-10-18 |
| 8019268 | Polarity controlling device, and cleaner and image forming apparatus using the polarity controlling device | Hiroki Nakamatsu, Kenji Sugiura, Osamu Naruse, Hidetoshi Yano | 2011-09-13 |
| 7929897 | Cleaning unit, process cartridge, and image forming apparatus using the same | Hidetoshi Yano, Kenji Sugiura, Osamu Naruse, Yasuyuki Yamashita | 2011-04-19 |
| 7903995 | Cleaning device, image forming apparatus, and process cartridge | Hiroki Nakamatsu, Kenji Sugiura, Osamu Naruse, Hidetoshi Yano | 2011-03-08 |
| 7873298 | Cleaning device, process cartridge, and image forming apparatus | Yasuyuki Yamashita, Hidetoshi Yano, Oasamu Naruse, Kenji Sugiura | 2011-01-18 |