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XINHUA J. ZHAO
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Mountain View, CA, US
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Patents Grants
last 30 patents
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Patent Grant
Bridged cryptographic VLAN
Patent number
8,347,377
Issue date
Jan 1, 2013
Microsoft Corporation
Dennis Michael Volpano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Bridged cryptographic VLAN
Patent number
7,818,796
Issue date
Oct 19, 2010
Microsoft Corporation
Dennis Michael Volpano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Bridged cryptographic VLAN
Patent number
7,703,132
Issue date
Apr 20, 2010
Microsoft Corporation
Dennis M. Volpano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Bridged cryptographic VLAN
Patent number
7,120,791
Issue date
Oct 10, 2006
Cranite Systems, Inc.
Dennis Michael Volpano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
BRIDGED CRYPTOGRAPHIC VLAN
Publication number
20110033047
Publication date
Feb 10, 2011
Microsoft Corporation
DENNIS MICHAEL VOLPANO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Bridged Cryptographic VLAN
Publication number
20080198863
Publication date
Aug 21, 2008
Cranite Systems, Inc.
Dennis M. Volpano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Bridged cryptographic VLAN
Publication number
20080022390
Publication date
Jan 24, 2008
Cranite Systems, Inc.
Dennis Michael Volpano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Bridged cryptographic VLAN
Publication number
20030145118
Publication date
Jul 31, 2003
Dennis Michael Volpano
H04 - ELECTRIC COMMUNICATION TECHNIQUE