Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7127199 | Developing device and process cartridge with predetermined magnetic force for an image forming apparatus | Tsuyoshi Imamura, Sumio Kamio, Noriyuki Kamiya, Mieko Kakegawa | 2006-10-24 |
| 7027761 | Developing device and an image forming apparatus including the same | Tsuyoshi Imamura, Sumio Kamoi, Noriyuki Kamiya, Kenji Narita, Kenzo Tatsumi +1 more | 2006-04-11 |
| 6330415 | Developing device and magnet roller for developing device | Tsuyoshi Imamura, Kenichi Ishiguro | 2001-12-11 |