Inventor

LIU SHARON

US7 patents

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

GM GLOBAL TECH OPERATIONS INC

3 patents

US7809490B2Oct 5, 2010

Phase and frequency error based asymmetrical AFR pulse reference tracking algorithm using the pre-catalyst O2 sensor switching output

GM GLOBAL TECH OPERATIONS INC11 citations82

US8347855B2Jan 8, 2013

Control system and method for improving engine stop-start response time

GM GLOBAL TECH OPERATIONS INC3 citations61

US7925421B2Apr 12, 2011

Off-line calibration of universal tracking air fuel ratio regulators

GM GLOBAL TECH OPERATIONS INC0 citations48

GEN MOTORS CORP

1 patent

US6579206B2Jun 17, 2003

Coordinated control for a powertrain with a continuously variable transmission

GEN MOTORS CORP75 citations95

CUMMINS INC

1 patent

US12280679B2Apr 22, 2025

Fuel cell powertrain systems and methods for power split and allocation in fuel cell powertrain systems

CUMMINS INC2 citations71

LIU SHARON

1 patent

US8162801B2Apr 24, 2012

Gear engagement control system and method

LIU SHARON3 citations53

RAJAGOPALAN SAI S V

1 patent

US8571785B2Oct 29, 2013

Universal tracking air-fuel regulator for internal combustion engines

RAJAGOPALAN SAI S V0 citations49