Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7844268 | Method and apparatus for notifying changed service information according to terminal state in a wireless communication system | Han Na Lim, Sung-Ho Choi, Jae Jin Kim, Eun-Hui Bae | 2010-11-30 |
| 7813347 | System and method to enable combination of network controlled mobility and UE controlled mobility between different IP versions | Sung-Ho Choi, Rahul Vaidya | 2010-10-12 |
| 7805754 | Communication method and apparatus using IP address of VPN gateway for mobile node in a VPN | Sung-Ho Choi, Eun-Hui Bae, Chong-Ho Choi, Young-Jip Kim, Dong Young Kim | 2010-09-28 |
| 7792035 | Method and apparatus for controlling rate of voice service in a mobile communication system supporting voice service via packet network | Soeng-Hun Kim, Sung-Ho Choi, Gert Jan Van Lieshout, Himke Van Der Velde, No-Jun Kwak +1 more | 2010-09-07 |
| 7391754 | System and method for seamless handoff of WLAN-UMTS interworking | Eun-Hui Bae, Sung-Ho Choi, Dong-Ho Cho, Hyun Ho Choi | 2008-06-24 |