Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6829446 | Development device, charging method used in the development device and image forming device having the development device | Kiyoshi Toizumi, Toshimitsu Gotoh | 2004-12-07 |
| 6697592 | Developing device, and image forming device having the same | Katsumi Adachi, Masamitsu Sakuma, Kiyoshi Toizumi, Toshimitsu Gotoh | 2004-02-24 |