Jianqi Yin

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Nepean, CA

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Patents Grantslast 30 patents

Information Patent Grant
Network telephony appliance and system for inter/intranet telephony
- Patent number 9,413,585
- Issue date Aug 9, 2016
- The Trustees of Columbia University In the City of New York
- Henning Schulzrinne
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network telephony appliance and system for inter/intranet telephony
- Patent number 8,271,660
- Issue date Sep 18, 2012
- The Trustees of Columbia University In the City of New York
- Henning Schulzrinne
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network telephony appliance and system for inter/intranet telephony
- Patent number 7,610,384
- Issue date Oct 27, 2009
- The Trustees of Columbia University In the City of New York
- Henning Schulzrinne
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
NETWORK TELEPHONY APPLIANCE AND SYSTEM FOR INTER/INTRANET TELEPHONY
- Publication number 20130016715
- Publication date Jan 17, 2013
- Henning Schulzrinne
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
NETWORK TELEPHONY APPLIANCE AND SYSTEM FOR INTER/INTRANET TELEPHONY
- Publication number 20100002690
- Publication date Jan 7, 2010
- Henning Schulzrinne
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Network Telephony Appliance and System for Inter/Intranet Telephony
- Publication number 20090290695
- Publication date Nov 26, 2009
- Henning Schulzrinne
- G06 - COMPUTING CALCULATING COUNTING