Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7680429 | Charging device including charging roller and cleaning roller | Hiromichi Ninomiya, Atsushi Sampe, Yoshiyuki Kimura, Hiroyuki Nagashima, Hiroshi Hosokawa +9 more | 2010-03-16 |
| 7477862 | Charged device, cleaning device, process cartridge, toner, and image-forming device that uses these | Hiromichi Ninomiya, Atsushi Sampe, Yoshiyuki Kimura, Hiroyuki Nagashima, Hiroshi Hosokawa +9 more | 2009-01-13 |