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Xuebin JIANG
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Duluth, GA, US
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Patents Grants
last 30 patents
Information
Patent Grant
System and method for user authentication with exposed and hidden keys
Patent number
8,132,020
Issue date
Mar 6, 2012
Yunzhou Zhu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Systems and methods for preventing spam
Patent number
7,711,786
Issue date
May 4, 2010
Yunzhou Zhu
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
Systems and Methods for Preventing Spam
Publication number
20090044013
Publication date
Feb 12, 2009
Yunzhou Zhu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SYSTEM AND METHOD FOR USER AUTHENTICATION WITH EXPOSED AND HIDDEN KEYS
Publication number
20080240447
Publication date
Oct 2, 2008
Yunzhou ZHU
H04 - ELECTRIC COMMUNICATION TECHNIQUE