Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6654566 | Developer agitating system, electrophotographic image forming apparatus and cartridge | Seiji Yamaguchi, Masahide Kinoshita | 2003-11-25 |
| 6640063 | Image forming apparatus featuring first and second peak-to-peak charging voltages, respectively, corresponding to first and second image bearing member speeds and voltage frequencies | Yasunari Watanabe | 2003-10-28 |
| 6611668 | Image forming apparatus with residual developing charging feature | Yasunari Watanabe | 2003-08-26 |
| 6603941 | Image forming apparatus including first and second charge-applying devices disposed between developer transfer and charging positions on an image bearing body | Yasunari Watanabe | 2003-08-05 |
| 6532347 | Method of controlling an AC voltage applied to an electrifier | Yasunari Watanabe | 2003-03-11 |