Ching-Hsuan Chen

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Fremont, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and system for secure storage, transmission and control of c...
- Patent number 8,135,132
- Issue date Mar 13, 2012
- Hewlett-Packard Development Company, L.P.
- Dale W. Hopkins
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for secure storage, transmission and control of c...
- Patent number 7,660,421
- Issue date Feb 9, 2010
- Hewlett-Packard Development Company, L.P.
- Dale W. Hopkins
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for secure storage, transmission and control of c...
- Patent number 7,392,384
- Issue date Jun 24, 2008
- Hewlett-Packard Development Company, L.P.
- Dale W. Hopkins
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND SYSTEM FOR SECURE STORAGE, TRANSMISSION AND CONTROL OF C...
- Publication number 20100158247
- Publication date Jun 24, 2010
- DALE W. HOPKINS
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PIN verification using cipher block chaining
- Publication number 20050149739
- Publication date Jul 7, 2005
- Hewlett-Packard Development Company, L.P.
- W. Dale Hopkins
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and system for secure storage, transmission and control of c...
- Publication number 20040001595
- Publication date Jan 1, 2004
- Compaq Information Technologies Group, L.P.
- Dale W. Hopkins
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and system for secure storage, transmission and control of c...
- Publication number 20040003246
- Publication date Jan 1, 2004
- Compaq Information Technologies Group, L.P.
- Dale W. Hopkins
- H04 - ELECTRIC COMMUNICATION TECHNIQUE