Sangshin Lee

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Seoul, KR

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Patents Grantslast 30 patents

Information Patent Grant
Method and system for providing multimedia ring back tone service b...
- Patent number 8,103,254
- Issue date Jan 24, 2012
- SK Telecom Co., Ltd
- Seongsoo Park
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for providing interworking with portable internet...
- Patent number 8,009,627
- Issue date Aug 30, 2011
- SK Telecom Co., Ltd.
- Seongsoo Park
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Terminal for multimedia ring back tone service and method for contr...
- Patent number 7,912,510
- Issue date Mar 22, 2011
- SK Telecom Co., Ltd.
- Seongsoo Park
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND APPARATUS FOR VEHICLE-TO-VEHICLE MESSAGE SERVICE
- Publication number 20200260239
- Publication date Aug 13, 2020
- SK Telecom Co., Ltd.
- Hongbeom AHN
- G08 - SIGNALLING
Information Patent Application
Method And System For Providing Interworking With Portable Internet...
- Publication number 20080043699
- Publication date Feb 21, 2008
- Seongsoo Park
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and System for Providing Multimedia Ring Back Tone Service b...
- Publication number 20080025491
- Publication date Jan 31, 2008
- SK Telecom Co., Ltd.
- Seongsoo Park
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method And System For Providing Multimedia Ring Back Tone Service B...
- Publication number 20080026731
- Publication date Jan 31, 2008
- SK Telecom Co., Ltd.
- Seongsoo Park
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Terminal for Multimedia Ring Back Tone Service and Metnod for Contr...
- Publication number 20070224973
- Publication date Sep 27, 2007
- Seongsoo Park
- H04 - ELECTRIC COMMUNICATION TECHNIQUE