Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6603943 | Developing apparatus including first and second agitating members in which the first agitating member includes non-screw portion | Kazuhiko Yuuki | 2003-08-05 |
| 6567637 | Apparatus and method for replenishing a developing device with toner while suppressing toner remaining | Takaaki Yanagisawa, Masumi Sato, Kazuhiko Yuuki, Akio Kosuge, Yoshi Hattori +4 more | 2003-05-20 |
| 6519428 | Image forming apparatus having mixed toner consumption mode | Megumi Ohtoshi, Masumi Sato, Hitoshi Ishibashi | 2003-02-11 |