Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8050584 | Power control method and apparatus to heat a heating roller | Young-min Chae, Sang-yong Han, Joong-gi Kwon, Se-joong Kim | 2011-11-01 |
| 7933131 | Power supply and image forming device having the same | Sang-yong Han | 2011-04-26 |