Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8386831 | DCAS headend system and method for processing error of secure micro client software | — | 2013-02-26 |
| 8291053 | Method and apparatus for management and transmission of classified conditional access application to provide downloadable conditional access system service | Heejeong KIM, Eun Jung Kwon, O Hyung Kwon, Soo-In Lee | 2012-10-16 |
| 8166298 | Downloadable conditional access system and method of session control for secured 2-way communication between authentication server and host device in downloadable conditional access system | Young Ho JEONG, Heejeong KIM, Eun Jung Kwon, O Hyung Kwon, Soo-In Lee | 2012-04-24 |
| 7650148 | Method of processing call to unregistered user in WLAN-GPRS network using SIP | Hyun Woo Lee, Won Ryu, Dong Won Kim | 2010-01-19 |
| 7463606 | Method for establishing a MIP and performing handoff by a mobile node | Jae Hong Ryu, Won Ryu, Dong Won Kim | 2008-12-09 |