Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7986534 | Apparatus to generate high voltage by digital control and method thereof | Young-min Chae, Joong-gi Kwon, Jong-hwa Cho, Sang-yong Han | 2011-07-26 |
| 7932640 | High voltage power supply | — | 2011-04-26 |
| 7907864 | High voltage power controlling apparatus of image forming apparatus including multiple DC power supplies | Jong-hwa Cho | 2011-03-15 |