Cheng Bao

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Waterloo, CA

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Patents Grantslast 30 patents

Information Patent Grant
System and method for over voltage protection in both positive and...
- Patent number 10,944,259
- Issue date Mar 9, 2021
- Cheng Bao
- G01 - MEASURING TESTING
Information Patent Grant
Power supply circuit and method for providing output voltage to cha...
- Patent number 8,519,671
- Issue date Aug 27, 2013
- BlackBerry Limited
- Cheng Bao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHOD FOR OVER VOLTAGE PROTECTION IN BOTH POSITIVE AND...
- Publication number 20200112169
- Publication date Apr 9, 2020
- Cheng BAO
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
METHOD AND SYSTEM FOR INDUCTIVELY CHARGING AN ELECTRONIC DEVICE
- Publication number 20130127406
- Publication date May 23, 2013
- Research in Motion Limited
- Lyall Kenneth WINGER
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER SUPPLY CIRCUIT AND METHOD FOR PROVIDING OUTPUT VOLTAGE
- Publication number 20100066311
- Publication date Mar 18, 2010
- Research In Motion Limited
- Cheng Bao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER