Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8270886 | Transfer nip roller, transfer device, and image forming apparatus | Ryuuichi Minbu, Hiromi Ogiyama | 2012-09-18 |
| 7773928 | Transfer-separation device and image forming apparatus | Hiromi Ogiyama, Ryuuichi Mimbu | 2010-08-10 |
| 7715761 | Image forming unit, process cartridge, and image forming apparatus | Sadayuki Iwai | 2010-05-11 |