Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6792234 | Developing device having a developer carrier including main and auxiliary magnetic poles and image forming apparatus using the same | Hiroshi Ikeguchi, Tsukuru Kai, Takeyoshi Sekine | 2004-09-14 |