Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8023874 | Image forming apparatus having transfer bias applying section and image forming method having the same for transferring toner image | — | 2011-09-20 |
| 7869728 | Density detection device and image forming apparatus | Tomoyuki Oda | 2011-01-11 |