Allen Chang

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Irvine, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for transmitting and downloading setup informa...
- Patent number 8,631,434
- Issue date Jan 14, 2014
- Index Systems, Inc.
- Henry C. Yuen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for transmitting and downloading setup informa...
- Patent number 8,296,807
- Issue date Oct 23, 2012
- Index Systems, Inc.
- Henry C. Yuen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for transmitting and downloading setup informa...
- Patent number 8,122,471
- Issue date Feb 21, 2012
- Index Systems, Inc.
- Henry C. Yuen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for transmitting and downloading setup informa...
- Patent number 6,583,825
- Issue date Jun 24, 2003
- Index Systems, Inc.
- Henry C. Yuen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for transmitting and downloading setup informa...
- Patent number 6,252,634
- Issue date Jun 26, 2001
- Index Systems, Inc.
- Henry C. Yuen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND APPARATUS FOR TRANSMITTING AND DOWNLOADING SETUP INFORMA...
- Publication number 20140109145
- Publication date Apr 17, 2014
- INDEX SYSTEMS, INC.
- Henry C. Yuen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR TRANSMITTING AND DOWNLOADING SETUP INFORMA...
- Publication number 20130007834
- Publication date Jan 3, 2013
- Henry C. Yuen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR TRANSMITTING AND DOWNLOADING SETUP INFORMA...
- Publication number 20110141375
- Publication date Jun 16, 2011
- INDEX SYSTEMS, INC.
- Henry C. Yuen
- G04 - HOROLOGY
Information Patent Application
Method and apparatus for transmitting and downloading setup informa...
- Publication number 20060248556
- Publication date Nov 2, 2006
- Index Systems, Inc.
- Henry C. Yuen
- G04 - HOROLOGY
Information Patent Application
Method and apparatus for transmitting and downloading setup informa...
- Publication number 20030213001
- Publication date Nov 13, 2003
- Index Systems, Inc.
- Henry C. Yuen
- G04 - HOROLOGY