Hang Shi

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San Jose, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for preventing outgoing spam e-mails by monito...
- Patent number 8,601,065
- Issue date Dec 3, 2013
- Cisco Technology, Inc.
- Frank C. Lin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Voice quality analysis of speech packets by substituting coded refe...
- Patent number 7,299,176
- Issue date Nov 20, 2007
- Yueh-ju Lee
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus for preventing outgoing spam e-mails by monito...
- Publication number 20070282955
- Publication date Dec 6, 2007
- Cisco Technology, Inc.
- Frank C. Lin
- G06 - COMPUTING CALCULATING COUNTING