Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8018858 | IMS reregistration method and system therefor | Han Na Lim, Tae Sun Yeoum, O-Sok Song, Sung-Ho Choi | 2011-09-13 |
| 7962138 | Method and apparatus for managing routing area in mobile communication system | Sung-Ho Choi, O-Sok Song, Beom-Sik Bae, No-Jun Kwak, Gert Jan Van Lieshout | 2011-06-14 |
| 7953042 | Handover method and apparatus between different systems | No-Jun Kwak, Sung-Ho Choi, Soeng-Hun Kim, Kyeong-In Jeong, Han Na Lim +1 more | 2011-05-31 |