Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6456813 | Developing apparatus and image forming apparatus that maintains a substantially constant charge amount per unit weight of developing agent | — | 2002-09-24 |
| 6445899 | Tandem color image forming device capable of forming high-quality color images | — | 2002-09-03 |
| 6411789 | Photosensitive member cartridge | Yasushi Okabe, Tsutomu Suzuki | 2002-06-25 |
| 6337956 | Developing device having toner agitation member and cleaning member cleaning light transmission window | Masahiro Ishii, Yoshiteru Hattori, Hideaki Deguchi | 2002-01-08 |