Yishan Zhao

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Patents Grantslast 30 patents

Information Patent Grant
Methods and systems for enabling legal-intercept mode for a targete...
- Patent number 10,237,305
- Issue date Mar 19, 2019
- Nagravision S.A.
- Bernard Benoit
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of processing authorization messages destined for a pluralit...
- Patent number 8,341,706
- Issue date Dec 25, 2012
- Nagra France SAS
- Yishan Zhao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Verification method of a target device connected to a master device
- Patent number 8,028,332
- Issue date Sep 27, 2011
- Nagravision S.A.
- Corinne Le Buhan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
A SYSTEM FOR INSERTING A MARK INTO A VIDEO CONTENT
- Publication number 20180302690
- Publication date Oct 18, 2018
- Nagravision S.A.
- Minh Son TRAN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHODS AND SYSTEMS FOR ENABLING LEGAL-INTERCEPT MODE FOR A TARGETE...
- Publication number 20170237780
- Publication date Aug 17, 2017
- Nagravision S.A.
- Bernard Benoit
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method of Processing Authorization Messages Destined for a Pluralit...
- Publication number 20090019529
- Publication date Jan 15, 2009
- Yishan Zhao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Verification method of a target device connected to a master device
- Publication number 20070061875
- Publication date Mar 15, 2007
- NAGRAVISION S.A.
- Corinne Le Buhan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE