Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6646670 | Image forming apparatus and manufacturing method thereof | Kenichiro Kitajima | 2003-11-11 |
| 6591072 | Image forming apparatus with changeable toner returning electric field application period | Kouichi Hashimoto, Ken-ichiro Kitajima | 2003-07-08 |
| 6559876 | Image forming apparatus with exposure reduction mode | Kenichiro Kitajima | 2003-05-06 |