Wooyong Choi

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Gyeonggi-do, KR

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Patents Grantslast 30 patents

Information Patent Grant
Method for providing early-media service based on session initiatio...
- Patent number 9,083,723
- Issue date Jul 14, 2015
- SK Telecom Co., Ltd
- Wooyong Choi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for providing early-media service based on session initiatio...
- Patent number 8,265,233
- Issue date Sep 11, 2012
- SK Telecom Co., Ltd
- Wooyong Choi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PROVIDING EARLY-MEDIA SERVICE BASED ON SESSION INITIATIO...
- Publication number 20130058327
- Publication date Mar 7, 2013
- SK Telecom Co., Ltd.
- Wooyong CHOI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD FOR DISPLAYING THUMBNAIL GROUP ON IDLE SCREEN AND MOBILE COM...
- Publication number 20110307835
- Publication date Dec 15, 2011
- SK Telecom Co., Ltd.
- Joohwan LIM
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD OF PROVIDING COMMUNICATION FUNCTION FOR COMMUNICATION GROUP,...
- Publication number 20110171934
- Publication date Jul 14, 2011
- SK Telecom Co., Ltd.
- Joohwan Lim
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD FOR PROVIDING EARLY-MEDIA SERVICE BASED ON SESSION INITIATIO...
- Publication number 20090262908
- Publication date Oct 22, 2009
- SK Telecom Co., Ltd.
- Wooyong CHOI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD FOR PROVIDING EARLY-MEDIA SERVICE BASED ON SESSION INITIATIO...
- Publication number 20090252153
- Publication date Oct 8, 2009
- SK Telecom Co., Ltd.
- Wooyong Choi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE