Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6546228 | Image forming apparatus conveniently upgradable to a duplex image forming apparatus | Takeshi Motohashi, Masashi Takiguchi, Hirotaka Hatta, Hideyuki Takemoto | 2003-04-08 |