Deuk-Ho Ryu

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Lenexa, KS, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and system for vocoder bypass using differentiated telephone...
- Patent number 7,769,387
- Issue date Aug 3, 2010
- Spreint Spectrum L.P.
- Dae-Sik Oh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for asymmetric handoff of wireless communication...
- Patent number 7,260,399
- Issue date Aug 21, 2007
- Sprint Spectrum L.P.
- Dae-Sik Oh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system of sending a voice message in a wireless communic...
- Patent number 7,251,480
- Issue date Jul 31, 2007
- Sprint Spectrum L.P.
- Dae-Sik Oh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for vocoder bypass using differentiated telephone...
- Patent number 6,879,833
- Issue date Apr 12, 2005
- Sprint Spectrum L.P.
- Dae-Sik Oh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for vocoder bypass using electronic serial numbers
- Patent number 6,865,391
- Issue date Mar 8, 2005
- Sprint Spectrum L.P.
- Dae-Sik Oh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Method and system for vocoder bypass using differentiated telephone...
- Publication number 20050124386
- Publication date Jun 9, 2005
- Sprint Spectrum L.P.
- Dae-Sik Oh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and system for vocoder bypass using differentiated telephone...
- Publication number 20040009787
- Publication date Jan 15, 2004
- Sprint Spectrum L.P.
- Dae-Sik Oh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE