Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6826381 | Image formation device and agent supplying device including absorber conveying by negative pressure | Satoshi Muramatsu, Hideo Yoshizawa, Hideki Kimura, Yoshio Hattori, Junichi Matsumoto | 2004-11-30 |
| 6813460 | Toner container and image forming apparatus using the same | Yoshio Hattori | 2004-11-02 |
| 6775503 | Image forming apparatus with improved capabilities for toner supply | Yoshio Hattori, Takaaki Yanagisawa | 2004-08-10 |