Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8023878 | Cleaning device and image forming apparatus using the same | Yuichi Fukuda, Noriaki Kojima, Makoto Sakanobe, Hiromi Nagai, Hiroaki Akamatsu | 2011-09-20 |
| 7899354 | Cleaning device, process cartridge and image formation apparatus | Osamu Handa | 2011-03-01 |