Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7937003 | Image forming apparatus and method of determining degradation of charging property of developer | — | 2011-05-03 |
| 7885564 | Image forming device | Hiroshi Handa, Hiroki Mori, Masatoshi Shiraki | 2011-02-08 |