Inventor
YOO ANNO
US45 patents
⚠️ This page may combine multiple inventors who share the name “YOO ANNO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LSIS CO LTD
24 patentsUS10424945B2Sep 24, 2019
Energy storage management system
LSIS CO LTD8 citations84
US9419541B2Aug 16, 2016
Multilevel inverter
LSIS CO LTD11 citations84
US9660562B2May 23, 2017
Apparatus for determining start of electric machine
LSIS CO LTD4 citations73
US9407188B2Aug 2, 2016
Sensorless vector control apparatus for induction motor
LSIS CO LTD4 citations73
US9337746B2May 10, 2016
Multilevel inverter
LSIS CO LTD3 citations73
US9331595B2May 3, 2016
Multi-level inverter
LSIS CO LTD4 citations73
US9270222B2Feb 23, 2016
Multi-level medium-voltage inverter
LSIS CO LTD3 citations73
US9154044B2Oct 6, 2015
Apparatus for estimating capacitance of DC-link capacitor in inverter
LSIS CO LTD4 citations72
US9837919B2Dec 5, 2017
Electric power conversion apparatus and method of operating the same
LSIS CO LTD2 citations71
US9054600B2Jun 9, 2015
Control apparatus for regenerative medium voltage inverter
LSIS CO LTD4 citations66
US9379658B2Jun 28, 2016
Apparatus for controlling induction motor
LSIS CO LTD2 citations63
US9401665B2Jul 26, 2016
Electric power conversion apparatus
LSIS CO LTD2 citations57
US10230318B2Mar 12, 2019
Method for estimating parameter of induction machines
LSIS CO LTD1 citations53
US9557360B2Jan 31, 2017
Apparatus for estimating capacitance of DC-link capacitor in inverter
LSIS CO LTD1 citations52
US9225278B2Dec 29, 2015
Method for determining phase angle in phase shift transformer for medium voltage inverter
LSIS CO LTD0 citations52
US9979333B2May 22, 2018
Inverter
LSIS CO LTD0 citations51
US9793845B2Oct 17, 2017
Method for restarting induction machine
LSIS CO LTD1 citations51
US9013129B2Apr 21, 2015
Regenerative inverter device and inverter device using power cell unit
LSIS CO LTD1 citations51
US9729097B2Aug 8, 2017
Apparatus for controlling induction machine
LSIS CO LTD0 citations42
US9653921B2May 16, 2017
Battery device and energy storage system including the same
LSIS CO LTD1 citations42
US9219440B2Dec 22, 2015
Apparatus for estimating parameter in induction motor
LSIS CO LTD0 citations42
US9209734B2Dec 8, 2015
Apparatus for estimating parameter in induction motor
LSIS CO LTD0 citations42
US9806652B2Oct 31, 2017
System of controlling induction electric motor
LSIS CO LTD0 citations40
US9647590B2May 9, 2017
Apparatus for compensating phase error in inverter output voltage
LSIS CO LTD0 citations35
GM GLOBAL TECH OPERATIONS LLC
19 patentsUS10700632B1Jun 30, 2020
Method for motor and inverter temperature control
GM GLOBAL TECH OPERATIONS LLC8 citations83
US11611305B2Mar 21, 2023
Bandwidth-partitioning harmonic regulation for improved acoustic behavior of an electric drive system
GM GLOBAL TECH OPERATIONS LLC3 citations71
US10333448B2Jun 25, 2019
Method for torque control systems and methods based on rotor temperature
GM GLOBAL TECH OPERATIONS LLC2 citations71
US11752878B2Sep 12, 2023
Method and apparatus for controlling a multi-mode powertrain system of a vehicle
GM GLOBAL TECH OPERATIONS LLC2 citations69
US11264936B2Mar 1, 2022
Method and apparatus for controlling operation of a permanent magnet rotary electric machine
GM GLOBAL TECH OPERATIONS LLC0 citations62
US11209291B2Dec 28, 2021
Method and apparatus for monitoring a resolver
GM GLOBAL TECH OPERATIONS LLC0 citations59
US10295599B2May 21, 2019
Apparatus and method for monitoring magnet flux degradation of a permanent magnet motor
GM GLOBAL TECH OPERATIONS LLC1 citations59
US12434568B2Oct 7, 2025
Method for compensating alternating current cable loss
GM GLOBAL TECH OPERATIONS LLC0 citations58
US12508914B2Dec 30, 2025
Sensorless backup for motor speed and position
GM GLOBAL TECH OPERATIONS LLC0 citations56
US12395112B2Aug 19, 2025
Methods, systems, and vehicles configured for determining a stator resistance of an electric motor
GM GLOBAL TECH OPERATIONS LLC0 citations52
US11611304B1Mar 21, 2023
System and method for minimizing demagnetization in rotor magnets
GM GLOBAL TECH OPERATIONS LLC0 citations52
US10164562B2Dec 25, 2018
Method and system for pulse width modulation
GM GLOBAL TECH OPERATIONS LLC0 citations52
US11387757B2Jul 12, 2022
Inductance-based estimation of rotor magnet temperature
GM GLOBAL TECH OPERATIONS LLC0 citations51
US11095240B2Aug 17, 2021
Electric motor in propulsion system with auxiliary power generation
GM GLOBAL TECH OPERATIONS LLC0 citations51
US11872893B2Jan 16, 2024
Propulsion system with rotor position estimation based on voltage signal
GM GLOBAL TECH OPERATIONS LLC0 citations45
US10461678B2Oct 29, 2019
Methods and systems for determining when to apply an adaptative thermal compensation in an operating region of a motor
GM GLOBAL TECH OPERATIONS LLC0 citations41
US9973120B1May 15, 2018
Control of six step pulse width modulation with flux weakening
GM GLOBAL TECH OPERATIONS LLC0 citations41
US10601348B2Mar 24, 2020
Sensor-less control of an electric motor
GM GLOBAL TECH OPERATIONS LLC0 citations38
US10658963B2May 19, 2020
Flux observer-based control strategy for an induction motor
GM GLOBAL TECH OPERATIONS LLC0 citations31