Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8036709 | System for packet data service in the mixed network of asynchronous communication network and synchronous communication network and hand-over method thereof | Hyun Wook Kim, Young-Lak Kim, Jong Tae Ihm | 2011-10-11 |
| 7898564 | Video telephony service method in mobile communication network | Hyun Wook Kim, Goon Don Choi, Chang-Moon Han | 2011-03-01 |
| 7869406 | Method for hand-over in the mixed network asynchronous communication network and synchronous communication network | Hyun Wook Kim, Young-Lak Kim, Jong Tae Ihm | 2011-01-11 |