Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE45228 | Video telephony service method in mobile communication network | Nam-Gun Kim, Hyun Wook Kim | 2014-11-04 |
| 8525867 | Chatting service method interworking video phone service | Nam-Gun Kim, Chang-Moon Han | 2013-09-03 |
| 7898564 | Video telephony service method in mobile communication network | Nam-Gun Kim, Hyun Wook Kim, Chang-Moon Han | 2011-03-01 |