Beyongsu Kim

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Youngsan-gu, KR

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Patents Grantslast 30 patents

Information Patent Grant
Method and system for recovering from hand-off fail for use in CDMA...
- Patent number 8,081,980
- Issue date Dec 20, 2011
- SK Telecom Co., Ltd
- Jaewan Byun
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and telecommunication system for appointing frequency assign...
- Patent number 7,643,461
- Issue date Jan 5, 2010
- SK Telecom Co., Ltd
- Jintae Choi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for recognizing call switch-over from 1xEV-DO sys...
- Patent number 7,609,675
- Issue date Oct 27, 2009
- SK Telecom Co., Ltd
- Jaemoon Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for switching over to 1x system upon 1xev-do syst...
- Patent number 7,590,091
- Issue date Sep 15, 2009
- SK Telecom Co., Ltd
- Jaemoon Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Method And Telecommunication System For Appointing Frequency Assign...
- Publication number 20070217387
- Publication date Sep 20, 2007
- SK Telecom Co., Ltd.
- Jintae Choi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and system for switching over to 1x system upon 1xev-do syst...
- Publication number 20060246950
- Publication date Nov 2, 2006
- Jaemoon Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and system for recovering from hand-off fail for use in cdma...
- Publication number 20060234707
- Publication date Oct 19, 2006
- Jaewan Byun
- H04 - ELECTRIC COMMUNICATION TECHNIQUE