Inventor
SOPOCI JOHN D
US27 patents
⚠️ This page may combine multiple inventors who share the name “SOPOCI JOHN D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GM GLOBAL TECH OPERATIONS INC
10 patentsUS9329103B2May 3, 2016
Methods and systems for characterizing vehicle tires
GM GLOBAL TECH OPERATIONS INC3 citations71
US9120500B2Sep 1, 2015
System and method for reducing steering wheel vibration in electronic power steering systems
GM GLOBAL TECH OPERATIONS INC4 citations70
US7926338B2Apr 19, 2011
Method for detecting local runout of a tire
GM GLOBAL TECH OPERATIONS INC2 citations62
US7765858B2Aug 3, 2010
Method of measuring torsional dynamics of a steering column at small dynamic amplitudes
GM GLOBAL TECH OPERATIONS INC2 citations62
US8006550B2Aug 30, 2011
Methods and systems for testing tires of vehicles to quantify transient tire force and moment responses
GM GLOBAL TECH OPERATIONS INC2 citations56
US9126478B2Sep 8, 2015
Adaptive open loop control to reduce engine induced vibration and noise
GM GLOBAL TECH OPERATIONS INC0 citations51
US7299117B2Nov 20, 2007
Methods for evaluating dynamic characteristics of vehicle dampers at low velocities
GM GLOBAL TECH OPERATIONS INC1 citations51
US9150245B2Oct 6, 2015
Methods and systems for controlling steering systems of vehicles
GM GLOBAL TECH OPERATIONS INC0 citations50
US9266558B2Feb 23, 2016
Methods, systems and apparatus for steering wheel vibration reduction in electric power steering systems
GM GLOBAL TECH OPERATIONS INC0 citations49
US9354137B2May 31, 2016
Systems and methods for determining oscillations of a tire
GM GLOBAL TECH OPERATIONS INC0 citations47
OBLIZAJEK KENNETH L
9 patentsUS8571759B2Oct 29, 2013
Electric power steering compensation for vehicles
OBLIZAJEK KENNETH L13 citations83
US8744682B2Jun 3, 2014
Reducing the effects of vibrations in an electric power steering (EPS) system
OBLIZAJEK KENNETH L11 citations81
US9440674B2Sep 13, 2016
Methods, systems and apparatus for steering wheel vibration reduction in electric power steering systems
OBLIZAJEK KENNETH L5 citations72
US9574972B2Feb 21, 2017
Methods and systems for evaluating vehicle steering systems
OBLIZAJEK KENNETH L5 citations67
US9327762B2May 3, 2016
Electric power steering systems with improved road feel
OBLIZAJEK KENNETH L2 citations62
US8645097B2Feb 4, 2014
Method for analyzing output from a rotary sensor
OBLIZAJEK KENNETH L3 citations62
US8271163B2Sep 18, 2012
Method for attenuating smooth road shake in an electric power steering system
OBLIZAJEK KENNETH L5 citations58
US8725354B2May 13, 2014
Electric power steering systems and methods
OBLIZAJEK KENNETH L1 citations51
US9121790B2Sep 1, 2015
Methods and systems for evaluating tire properties
OBLIZAJEK KENNETH L1 citations50
GM GLOBAL TECH OPERATIONS LLC
6 patentsUS11326664B2May 10, 2022
Control of real-time damper in a sprung mass system
GM GLOBAL TECH OPERATIONS LLC2 citations71
US11235799B2Feb 1, 2022
Limit cycle detection and cessation system and method
GM GLOBAL TECH OPERATIONS LLC0 citations52
US9885638B2Feb 6, 2018
Systems and methods for determining steering performance
GM GLOBAL TECH OPERATIONS LLC1 citations51
US10183696B2Jan 22, 2019
Methods and systems for controlling steering systems of vehicles
GM GLOBAL TECH OPERATIONS LLC0 citations50
US10407093B2Sep 10, 2019
Electric power steering systems and methods
GM GLOBAL TECH OPERATIONS LLC0 citations41
US10337961B2Jul 2, 2019
Method of analyzing radial force variation in a tire/wheel assembly
GM GLOBAL TECH OPERATIONS LLC0 citations41