Tim O. Cheung

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Santa Barbara, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Spark gap apparatus and method for electrostatic discharge protection
- Patent number 7,869,180
- Issue date Jan 11, 2011
- Research In Motion Limited
- Tim O. Cheung
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Spark gap apparatus and method for electrostatic discharge protection
- Patent number 7,508,644
- Issue date Mar 24, 2009
- Research In Motion Limited
- Tim O. Cheung
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Spark gap apparatus and method for electrostatic discharge protection
- Patent number 7,369,388
- Issue date May 6, 2008
- Research In Motion Limited
- Tim O. Cheung
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Spark gap apparatus and method for electrostatic discharge protection
- Patent number 7,161,784
- Issue date Jan 9, 2007
- Research In Motion Limited
- Tim O. Cheung
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
SPARK GAP APPARATUS AND METHOD FOR ELECTROSTATIC DISCHARGE PROTECTION
- Publication number 20090154050
- Publication date Jun 18, 2009
- Research in Motion Limited
- Tim O. Cheung
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Spark gap apparatus and method for electrostatic discharge protection
- Publication number 20070081283
- Publication date Apr 12, 2007
- Tim O. Cheung
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Spark gap apparatus and method for electrostatic discharge protection
- Publication number 20060002047
- Publication date Jan 5, 2006
- Tim O. Cheung
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Spark gap apparatus and method for electrostatic discharge protection
- Publication number 20060002048
- Publication date Jan 5, 2006
- Tim O. Cheung
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR