Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7443390 | Power supply device of video display apparatus and method thereof | Young Chuel Cha | 2008-10-28 |
| 7126647 | Power supply device of video display apparatus and method thereof | Young Chuel Cha | 2006-10-24 |