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Ronald King-Hang CHU
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Los Angeles, CA, US
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last 30 patents
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Patent Grant
Methods and systems for secure user authentication
Patent number
7,904,946
Issue date
Mar 8, 2011
Citicorp Development Center, Inc.
Ronald King-Hang Chu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
System and method for user authentication
Patent number
7,039,812
Issue date
May 2, 2006
Citicorp Development Center, Inc.
Joseph C. Kawan
G06 - COMPUTING CALCULATING COUNTING
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last 30 patents
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Patent Application
METHODS AND SYSTEMS FOR SECURE USER AUTHENTICATION
Publication number
20110197266
Publication date
Aug 11, 2011
Citicorp Development Center, Inc.
Ronald King-Hang CHU
H04 - ELECTRIC COMMUNICATION TECHNIQUE