Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7980277 | Powder charging device and powder charging method | — | 2011-07-19 |
| 7869746 | Image forming device, powder supply device, and powder storage unit including a gas supplying unit | Fumihito Itoh, Kazuhisa Sudo | 2011-01-11 |