Inventor
JEONG KWI SEONG
KR32 patents
⚠️ This page may combine multiple inventors who share the name “JEONG KWI SEONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HYUNDAI MOTOR CO LTD
28 patentsUS10892502B2Jan 12, 2021
Apparatus and method for controlling operation of fuel cell system
HYUNDAI MOTOR CO LTD3 citations71
US10249895B2Apr 2, 2019
Apparatus and method for diagnosing state of fuel cell stack
HYUNDAI MOTOR CO LTD3 citations71
US9423468B2Aug 23, 2016
Diagnostic system and method for fuel cell stack
HYUNDAI MOTOR CO LTD4 citations71
US9373860B2Jun 21, 2016
Method and apparatus for diagnosing fault within fuel cell stack
HYUNDAI MOTOR CO LTD3 citations71
US10020525B2Jul 10, 2018
Method and system for diagnosing state of fuel cell stack
HYUNDAI MOTOR CO LTD2 citations68
US10985396B2Apr 20, 2021
Fuel cell stack pressurized by press forks and assembly method of the same
HYUNDAI MOTOR CO LTD0 citations62
US10424807B2Sep 24, 2019
Fuel cell system and fuel cell stack housing
HYUNDAI MOTOR CO LTD1 citations61
US10910659B2Feb 2, 2021
Method and system for diagnosing state of fuel cell
HYUNDAI MOTOR CO LTD0 citations59
US10276884B2Apr 30, 2019
Method and system for diagnosing state of fuel cell
HYUNDAI MOTOR CO LTD1 citations59
US12281759B2Apr 22, 2025
Hydrogen storage system
HYUNDAI MOTOR CO LTD0 citations51
US11014201B2May 25, 2021
Laser welding apparatus
HYUNDAI MOTOR CO LTD0 citations51
US10106051B2Oct 23, 2018
State diagnostic apparatus of fuel cell stack
HYUNDAI MOTOR CO LTD0 citations51
US9929418B2Mar 27, 2018
System and method for diagnosing state of fuel cell stack and controlling fuel cell system
HYUNDAI MOTOR CO LTD1 citations51
US9494655B2Nov 15, 2016
Apparatus for diagnosing a state of a fuel cell stack and method thereof
HYUNDAI MOTOR CO LTD0 citations51
US9484586B2Nov 1, 2016
Driving control method and system of fuel cell system
HYUNDAI MOTOR CO LTD0 citations51
US8859159B2Oct 14, 2014
Apparatus and method for generating virtual sound source for monitoring the operating state of a fuel cell stack
HYUNDAI MOTOR CO LTD0 citations51
US8765326B2Jul 1, 2014
Joining device for fuel cell stack and fuel cell stack provided with the same
HYUNDAI MOTOR CO LTD1 citations51
US12313223B2May 27, 2025
Cryogenic liquid storage apparatus
HYUNDAI MOTOR CO LTD0 citations50
US11450875B2Sep 20, 2022
Fuel cell with corrosion resistance
HYUNDAI MOTOR CO LTD0 citations50
US11177491B2Nov 16, 2021
Cell-monitoring connector and fuel cell having structure for detachably mounting the cell-monitoring connector thereon
HYUNDAI MOTOR CO LTD0 citations50
US10777830B2Sep 15, 2020
Apparatus and method for diagnosing fuel cell and vehicle system
HYUNDAI MOTOR CO LTD0 citations50
US9634341B2Apr 25, 2017
Apparatus and method for diagnosing fuel cell
HYUNDAI MOTOR CO LTD0 citations50
US9575136B2Feb 21, 2017
Apparatus and method for measuring impedance of fuel cell stack
HYUNDAI MOTOR CO LTD0 citations50
US9425472B2Aug 23, 2016
Apparatus for diagnosing fault of fuel cell stack
HYUNDAI MOTOR CO LTD1 citations49
US10569228B2Feb 25, 2020
Inspection apparatus of electrolyte membrane
HYUNDAI MOTOR CO LTD0 citations48
US10118132B2Nov 6, 2018
Inspection apparatus of electrolyte membrane
HYUNDAI MOTOR CO LTD0 citations48
US10581095B2Mar 3, 2020
Manifold block of fuel cell stack and method of manufacturing the same
HYUNDAI MOTOR CO LTD0 citations41
US9428078B2Aug 30, 2016
Method of utilizing power transistor of fuel cell stack diagnostic system
HYUNDAI MOTOR CO LTD0 citations40