Yichyun Mitch Tseng

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Plano, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Multimode roaming mobile devices
- Patent number 7,349,695
- Issue date Mar 25, 2008
- Nokia Corporation
- Paul Oommen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus, and associated method for controlling service degradatio...
- Patent number 6,556,824
- Issue date Apr 29, 2003
- Nokia Corporation
- Rene W. Purnadi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network element having tandem free operation capabilities
- Patent number 6,172,974
- Issue date Jan 9, 2001
- Nortel Networks Limited
- Yichyun Tseng
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Multimode roaming mobile devices
- Publication number 20050282544
- Publication date Dec 22, 2005
- Nokia Corporation
- Paul Oommen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE