Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7999456 | White light emitting diode with yellow, green and red light emitting phosphor | Jong Rak Sohn, Chul Soo Yoon, Chang Hoon Kwak | 2011-08-16 |
| 7911127 | Phosphor blend for wavelength conversion and white light emitting device using the same | Jong Rak Sohn, Yun Seup Chung, Chang Hoon Kwak, Chul Soo Yoon, Joon Ho Yoon | 2011-03-22 |
| 7913036 | Method and apparatus for managing the block allocation table of a multimedia data file system | Sung-Jae Park | 2011-03-22 |