Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6665508 | Toner container and image forming apparatus using the same | Yoshio Hattori | 2003-12-16 |
| 6628908 | Toner supply unit and image forming apparatus | Junichi Matsumoto, Nobuo Kasahara, Nobuo Iwata, Satoshi Muramatsu, Tomoyuki Ichikawa +5 more | 2003-09-30 |
| 6591077 | Image forming apparatus and toner container therefor | Takaaki Yanagisawa, Tomotoshi Nakahara, Masumi Sato, Yoshio Hattori, Kouta Fujimori | 2003-07-08 |
| 6522855 | Image forming apparatus and developing apparatus preventing uneven image density | Shunji Katoh, Hideo Yoshizawa, Shinji Tamaki, Junichi Terai, Kiyonori Tsuda +3 more | 2003-02-18 |