Quanwang LIU

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Sichuan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Dual input power management method and system
- Patent number 10,216,210
- Issue date Feb 26, 2019
- O2Micro Inc.
- Guoxing Li
- G05 - CONTROLLING REGULATING
Information Patent Grant
Charge pump systems with adjustable frequency control
- Patent number 9,118,238
- Issue date Aug 25, 2015
- O2Micro, Inc.
- Quanwang Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Calibrating a system by setting difference between signals
- Patent number 8,169,249
- Issue date May 1, 2012
- O2Micro International Limited
- Guoxing Li
- G01 - MEASURING TESTING
Information Patent Grant
Calculating a parameter indicative of an error factor of a circuit
- Patent number 8,030,973
- Issue date Oct 4, 2011
- O2Micro Inc.
- Guoxing Li
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
DUAL INPUT POWER MANAGEMENT METHOD AND SYSTEM
- Publication number 20180275704
- Publication date Sep 27, 2018
- O2Micro Inc.
- Guoxing LI
- G05 - CONTROLLING REGULATING
Information Patent Application
CALIBRATING A SYSTEM BY SETTING DIFFERENCE BETWEEN SIGNALS
- Publication number 20120013366
- Publication date Jan 19, 2012
- Guoxing LI
- G01 - MEASURING TESTING
Information Patent Application
SIGNAL MONITORING SYSTEMS
- Publication number 20110156758
- Publication date Jun 30, 2011
- Guoxing LI
- G01 - MEASURING TESTING
Information Patent Application
Charge pump systems with adjustable frequency control
- Publication number 20090128212
- Publication date May 21, 2009
- O2Micro, Inc.
- Quanwang Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER