Inventor
HAO LEI
US143 patents
⚠️ This page may combine multiple inventors who share the name “HAO LEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GM GLOBAL TECH OPERATIONS LLC
41 patentsUS11336101B2May 17, 2022
Adaptive fast-charging of multi-pack battery system in a mobile platform having dual charge ports
GM GLOBAL TECH OPERATIONS LLC20 citations94
US10259448B2Apr 16, 2019
Hybrid vehicle propulsion systems and methods
GM GLOBAL TECH OPERATIONS LLC20 citations93
US10369896B2Aug 6, 2019
Apparatus and method for flexible DC fast charging of an electrified vehicle
GM GLOBAL TECH OPERATIONS LLC19 citations92
US11167643B2Nov 9, 2021
Electric-drive vehicles, powertrains, and logic for comprehensive vehicle control during towing
GM GLOBAL TECH OPERATIONS LLC12 citations86
US11133680B2Sep 28, 2021
Balancing system for rechargeable energy storage assembly with multiple parallel units
GM GLOBAL TECH OPERATIONS LLC11 citations86
US10940771B1Mar 9, 2021
Optimized operation of electric propulsion system having reconfigurable series/parallel voltage source
GM GLOBAL TECH OPERATIONS LLC10 citations86
US10917030B1Feb 9, 2021
Electric drive system with reconfigurable machine windings
GM GLOBAL TECH OPERATIONS LLC10 citations86
US10436167B1Oct 8, 2019
Starter system and method of control
GM GLOBAL TECH OPERATIONS LLC15 citations86
US10190561B1Jan 29, 2019
System and method for rapid engine start
GM GLOBAL TECH OPERATIONS LLC14 citations86
US9621099B1Apr 11, 2017
Method for switching between a full winding mode and a half winding mode in a three-phase machine
GM GLOBAL TECH OPERATIONS LLC21 citations86
US10854933B2Dec 1, 2020
Battery pack voltage-switching systems and control logic for multi-pack electric-drive motor vehicles
GM GLOBAL TECH OPERATIONS LLC10 citations84
US10675991B2Jun 9, 2020
Methods for reconfigurable battery charger control
GM GLOBAL TECH OPERATIONS LLC9 citations84
US10432130B2Oct 1, 2019
Electric powertrain and a method of operating the same
GM GLOBAL TECH OPERATIONS LLC11 citations84
US10110103B1Oct 23, 2018
Electric drive system enhancement using a DC-DC converter
GM GLOBAL TECH OPERATIONS LLC11 citations84
US9882521B2Jan 30, 2018
Apparatus and methods of controlling electric drive with reconfigurable winding
GM GLOBAL TECH OPERATIONS LLC11 citations84
US9597979B1Mar 21, 2017
Method of controlling regeneration and boost functions of a hybrid powertrain
GM GLOBAL TECH OPERATIONS LLC13 citations84
US9479017B2Oct 25, 2016
Deep V-magnet cavity structure rotor
GM GLOBAL TECH OPERATIONS LLC7 citations84
US10184442B2Jan 22, 2019
Permanent magnet electric machine
GM GLOBAL TECH OPERATIONS LLC8 citations83
US11603925B1Mar 14, 2023
Hydraulically actuated clutch system and control logic for torque converter assemblies
GM GLOBAL TECH OPERATIONS LLC5 citations75
US12009715B2Jun 11, 2024
Electronic gear changing multifunction inverter
GM GLOBAL TECH OPERATIONS LLC2 citations73
US11890958B2Feb 6, 2024
Multifunctional charging topology for electric vehicle
GM GLOBAL TECH OPERATIONS LLC2 citations73
US11757391B1Sep 12, 2023
Impedance estimation of power sources via motor inverter circuits
GM GLOBAL TECH OPERATIONS LLC2 citations73
US11394330B2Jul 19, 2022
Torque and current control methods for switching variable electric drive vehicles
GM GLOBAL TECH OPERATIONS LLC4 citations73
US11236718B1Feb 1, 2022
Control of pre-engaged pinion starter
GM GLOBAL TECH OPERATIONS LLC3 citations73
US11235678B1Feb 1, 2022
Electric vehicle charging using downsized buck boost converter
GM GLOBAL TECH OPERATIONS LLC3 citations73
US10998840B2May 4, 2021
Electric drive system with reconfigurable machine windings
GM GLOBAL TECH OPERATIONS LLC2 citations73
US10895237B1Jan 19, 2021
Electric starter system with latch mechanism for pinion pre-engagement control
GM GLOBAL TECH OPERATIONS LLC2 citations73
US10651740B1May 12, 2020
Buck-boost converter for an electric drive
GM GLOBAL TECH OPERATIONS LLC2 citations73
US10622875B2Apr 14, 2020
Interior permanent magnet electric machine
GM GLOBAL TECH OPERATIONS LLC3 citations73
US10605217B2Mar 31, 2020
Vehicle engine starter control systems and methods
GM GLOBAL TECH OPERATIONS LLC6 citations73
US10576837B2Mar 3, 2020
Electrical drive unit
GM GLOBAL TECH OPERATIONS LLC3 citations73
US10544772B2Jan 28, 2020
Bus voltage stabilization in powertrain having electric starter system with polyphase brushless starter motor
GM GLOBAL TECH OPERATIONS LLC3 citations73
US10476348B2Nov 12, 2019
Electric motor having asymmetric configuration for generating unbalanced force
GM GLOBAL TECH OPERATIONS LLC3 citations73
US10408184B1Sep 10, 2019
Brushless electric starter system with closed-loop speed synchronization control methodology
GM GLOBAL TECH OPERATIONS LLC3 citations73
US10330070B2Jun 25, 2019
Method and apparatus for operating a starter for an internal combustion engine
GM GLOBAL TECH OPERATIONS LLC2 citations73
US10293804B2May 21, 2019
Hybrid vehicle engine starter systems and methods
GM GLOBAL TECH OPERATIONS LLC2 citations73
US10284036B2May 7, 2019
Electric machine for hybrid powertrain with engine belt drive
GM GLOBAL TECH OPERATIONS LLC5 citations73
US10036359B2Jul 31, 2018
Hybrid vehicle engine starter control systems and methods
GM GLOBAL TECH OPERATIONS LLC4 citations73
US9925889B2Mar 27, 2018
Electric machine for hybrid powertrain with dual voltage power system
GM GLOBAL TECH OPERATIONS LLC6 citations73
US9866157B2Jan 9, 2018
Method and apparatus for a position sensor for a transmission integrated synchronous motor
GM GLOBAL TECH OPERATIONS LLC3 citations73
US9735634B2Aug 15, 2017
Split pole spoke type PM machine with enclosed magnets
GM GLOBAL TECH OPERATIONS LLC2 citations73
GM GLOBAL TECH OPERATIONS INC
4 patentsUS9018881B2Apr 28, 2015
Stator winding diagnostic systems and methods
GM GLOBAL TECH OPERATIONS INC90 citations97
US7791245B1Sep 7, 2010
Optimized electric machine for smart actuators
GM GLOBAL TECH OPERATIONS INC40 citations93
US9387766B2Jul 12, 2016
Vehicle with selectively enabled boost converter
GM GLOBAL TECH OPERATIONS INC11 citations84
US7919949B2Apr 5, 2011
High efficiency generator
GM GLOBAL TECH OPERATIONS INC13 citations84
HAO LEI
2 patentsALEXANDER PAUL W
1 patentGAO XIUJIE
1 patentGOPALAKRISHNAN SURESH
1 patentShowing the top 50 of 143 patents by PatentIndex Score.