Jack Chu

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Kowloon, HK

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Patents Grantslast 30 patents

Information Patent Grant
Low powered activation arrangement and method thereof
- Patent number 9,553,580
- Issue date Jan 24, 2017
- Jack Chu
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Low powered activation arrangement and method thereof
- Patent number 8,946,945
- Issue date Feb 3, 2015
- Jack Chu
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Low powered activation arrangement and method thereof
- Patent number 8,710,703
- Issue date Apr 29, 2014
- Jack Chu
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Energy saving PWM sound device
- Patent number 8,494,171
- Issue date Jul 23, 2013
- Jack Chu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Low powered activation electronic device
- Patent number 8,212,168
- Issue date Jul 3, 2012
- Jack Chu
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Low powered activation electronic device
- Patent number 7,825,346
- Issue date Nov 2, 2010
- Jack Chu
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Low powered activation electronic device
- Patent number 7,405,372
- Issue date Jul 29, 2008
- Jack Chu
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Low powered activation arrangement and method thereof
- Publication number 20140197697
- Publication date Jul 17, 2014
- Jack Chu
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Low powered activation arrangement and method thereof
- Publication number 20120115392
- Publication date May 10, 2012
- Jack Chu
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Energy saving PWM sound device
- Publication number 20120045075
- Publication date Feb 23, 2012
- Jack Chu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Low powered activation electronic device
- Publication number 20110084683
- Publication date Apr 14, 2011
- Jack Chu
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Low powered activation arrangement and method thereof
- Publication number 20110065355
- Publication date Mar 17, 2011
- Jack Chu
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Low powered activation electronic device
- Publication number 20070162156
- Publication date Jul 12, 2007
- Jack Chu
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Low powered activation electronic device
- Publication number 20060042919
- Publication date Mar 2, 2006
- Jack Chu
- A63 - SPORTS GAMES AMUSEMENTS