Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7920822 | Device for preventing eavesdropping through speaker | Kwang-Uk Chu, Jong Kyu Kim, Sang-Woo Cho, Dae Heon LEE | 2011-04-05 |
| 7892658 | Compound and organic light emitting device using the same | Seok-Hee Yoon, Jae Min Moon, Min Jeong Lee, Wook Dong Cho, Ji Eun Kim +1 more | 2011-02-22 |