Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7215909 | Developing device, and process cartridge maintaining position of developing roller, and image forming apparatus using these | Susumu Nittani, Kanji Yokomori | 2007-05-08 |
| 7024137 | Developing device, developing cartridge, and process cartridge each urging developing roller into regulating portion, and image forming apparatus having such developing device or process cartridge | Susumu Nittani, Kanji Yokomori | 2006-04-04 |