Inventor

LIU QUANWANG

CN4 patents

⚠️ This page may combine multiple inventors who share the name “LIU QUANWANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

O2MICRO INC

2 patents

US8030973B2Oct 4, 2011

Calculating a parameter indicative of an error factor of a circuit

O2MICRO INC5 citations70

US10216210B2Feb 26, 2019

Dual input power management method and system

O2MICRO INC0 citations49

LIU QUANWANG

1 patent

US9118238B2Aug 25, 2015

Charge pump systems with adjustable frequency control

LIU QUANWANG7 citations76

LI GUOXING

1 patent

US8169249B2May 1, 2012

Calibrating a system by setting difference between signals

LI GUOXING4 citations58