Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7983580 | Image forming apparatus and control method thereof | Jeong Hwan Kim | 2011-07-19 |
| 7937009 | Image forming apparatus and method of controlling the same according to bias voltages | — | 2011-05-03 |
| 7925176 | Transfer voltage control method of image forming apparatus | — | 2011-04-12 |
| 7899378 | Image forming apparatus having movable belt | Se-ra Lee | 2011-03-01 |