Sidney Chang

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San Jose, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Activating automatic messaging session
- Patent number 8,370,439
- Issue date Feb 5, 2013
- Yahoo! Inc.
- Sidney Chang
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Activating automatic messaging session
- Publication number 20070214222
- Publication date Sep 13, 2007
- Yahoo! Inc.
- Sidney Chang
- G06 - COMPUTING CALCULATING COUNTING