Inventor
HAN SEOK-HEE
US15 patents
⚠️ This page may combine multiple inventors who share the name “HAN SEOK-HEE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CATERPILLAR INC
10 patentsUS7902710B2Mar 8, 2011
Electric machine
CATERPILLAR INC25 citations90
US7504754B2Mar 17, 2009
Rotor having multiple permanent-magnet pieces in a cavity
CATERPILLAR INC36 citations89
US10079566B1Sep 18, 2018
Pulse injection current pattern for rotor position estimation
CATERPILLAR INC11 citations83
US10097117B2Oct 9, 2018
Adjustable pulse injection in electric machine control
CATERPILLAR INC3 citations72
US9800192B1Oct 24, 2017
Flux estimator for switched reluctance machines
CATERPILLAR INC5 citations72
US12142922B2Nov 12, 2024
Techniques for limiting power using an active front end
CATERPILLAR INC0 citations61
US12100943B2Sep 24, 2024
Current protection to prevent overcurrent in electrical grids and motors
CATERPILLAR INC0 citations61
US10193475B2Jan 29, 2019
Sensorless control of switched reluctance machines for low speeds and standstill
CATERPILLAR INC1 citations60
US12374888B1Jul 29, 2025
Voltage source inverter control for unbalanced and nonlinear loads
CATERPILLAR INC0 citations57
US9899946B2Feb 20, 2018
Sensorless control of switched reluctance machines
CATERPILLAR INC1 citations50