Inventor

LIU SHIQIANG

US14 patents

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

UNIV DAYTON

2 patents

US6451132B1Sep 17, 2002

High temperature permanent magnets

UNIV DAYTON29 citations88

US6726781B2Apr 27, 2004

High temperature permanent magnets

UNIV DAYTON13 citations79

O2MICRO INT LTD

2 patents

US7642750B2Jan 5, 2010

Battery charge/discharge control circuit

O2MICRO INT LTD14 citations83

US7701177B2Apr 20, 2010

Battery pre-charging circuit comprising normal voltage and low voltage pre-charging circuits

O2MICRO INT LTD3 citations62

ELECTRON ENERGY CORP

2 patents

US6994755B2Feb 7, 2006

Method of improving toughness of sintered RE-Fe-B-type, rare earth permanent magnets

ELECTRON ENERGY CORP0 citations45

US6966953B2Nov 22, 2005

Modified sintered RE-Fe-B-type, rare earth permanent magnets with improved toughness

ELECTRON ENERGY CORP0 citations45

02MICRO INTERNAT LTD

1 patent

US7323853B2Jan 29, 2008

Low drop-out voltage regulator with common-mode feedback

02MICRO INTERNAT LTD21 citations92

CHINA AUTOMOTIVE TECH & RES CT

1 patent

US11774505B1Oct 3, 2023

Estimation method for safety state of battery pack based on deep learning and consistency detection

CHINA AUTOMOTIVE TECH & RES CT8 citations84

LIU QUANWANG

1 patent

US9118238B2Aug 25, 2015

Charge pump systems with adjustable frequency control

LIU QUANWANG7 citations76

O2MICRO INTERNATIONAL LTD

1 patent

US7629771B2Dec 8, 2009

Protection device for non-common ground buses

O2MICRO INTERNATIONAL LTD7 citations72

O2MICRO INC

1 patent

US8030973B2Oct 4, 2011

Calculating a parameter indicative of an error factor of a circuit

O2MICRO INC5 citations70

HUO XIAOHUA

1 patent

US8324861B2Dec 4, 2012

Multi-channel converter with self-diagnosis functionality

HUO XIAOHUA6 citations61

LI GUOXING

1 patent

US8169249B2May 1, 2012

Calibrating a system by setting difference between signals

LI GUOXING4 citations58

SHANGHAI HANSOH BIOMEDICAL CO LTD

1 patent

US12497396B2Dec 16, 2025

Nitrogen-containing heterocyclic derivatives, method therefor and application therefor as inhibitors of KRAS G12C for the treatment of cancers

SHANGHAI HANSOH BIOMEDICAL CO LTD0 citations44