Issued Patents 2005
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6934496 | Developing device conveying toner using a traveling-wave electric field and image forming apparatus using same | Masamitsu Sakuma, Katsumi Adachi, Kiyoshi Toizumi, Toshimitsu Gotoh | 2005-08-23 |
| 6901232 | Developing apparatus and image forming apparatus using progressive wave electric field transport | Masamitsu Sakuma, Katsumi Adachi, Kiyoshi Toizumi, Toshimitsu Gotoh | 2005-05-31 |
| 6865350 | Charging method and developing device adopting the same | Kiyoshi Toizumi, Toshimitsu Gotoh | 2005-03-08 |
| 6858369 | Toner and manufacturing method thereof | Katsumi Adachi, Masamitsu Sakuma, Kiyoshi Toizumi, Tadashi Iwamatsu, Kenji Mishima | 2005-02-22 |