Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7993026 | Light source and backlight module with the same | Daekeun Yoon, Chulyoun Kim | 2011-08-09 |
| 7792260 | Method for protecting incoming calls in coloring ring back tone service | Jin Sun | 2010-09-07 |