Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6823163 | Image forming apparatus including an electric field having an oscillation component between an image carrier and a developer carrier | Tsukuru Kai, Hisashi Shoji, Nobutaka Takeuchi | 2004-11-23 |
| 6799012 | Cleaning device and image forming apparatus using the same | Masahiko Shakuto, Yasushi Nakazato, Osamu Naruse | 2004-09-28 |
| 6757511 | Image forming apparatus and method using a magnetic toner brush | Tsukuru Kai | 2004-06-29 |