Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8130688 | Multimedia broadcast multicast service providing system and method thereof | Jae Wook Shin, Kwang-Ryul Jung | 2012-03-06 |
| 7209464 | Verification system and method for packet call processing operation of mobile telephone | Nak Woon SUNG | 2007-04-24 |