Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8266549 | Apparatus and method for displaying hierarchical menu in mobile communication terminal | — | 2012-09-11 |
| 7797006 | Method and system for guaranteeing seamless session when replacing PoC terminal in PoC system | Sang-Kyung Sung, Joon-Goo Park | 2010-09-14 |