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Zhenchuan Chai
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Shenzhen, CN
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last 30 patents
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Patent Grant
Method and system for remote password based authentication using sm...
Patent number
7,769,999
Issue date
Aug 3, 2010
Huawei Technologies Co., Ltd.
Zhenfu Cao
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
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Patent Application
METHOD,SYSTEM AND NETWORK DEVICE FOR BIDIRECTIONAL AUTHENTICATION
Publication number
20090307492
Publication date
Dec 10, 2009
Zhenfu CAO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Application
Method and system for remote password based authentication using sm...
Publication number
20080016333
Publication date
Jan 17, 2008
Huawei Technologies Co., Ltd.
Zhenfu Cao
G06 - COMPUTING CALCULATING COUNTING