Inventor
LEE JI HAN
KR8 patents
Patents
8 patentsUS11223292B2Jan 11, 2022
United converter apparatus and operating method thereof
HYUNDAI MOTOR CO LTD3 citations71
US11247576B2Feb 15, 2022
Power factor correction circuit capable of performing bidirectional power transfer and charger including the same
HYUNDAI MOTOR CO LTD0 citations61
US12283725B2Apr 22, 2025
Open-cathode-type fuel cell system and aerial vehicle using the same
HYUNDAI MOTOR CO LTD0 citations58
US12176584B2Dec 24, 2024
Gas diffusion layer for fuel cell, method of manufacturing the same, and unit cell for fuel cell including the same
HYUNDAI MOTOR CO LTD0 citations57
US11611085B2Mar 21, 2023
Multiple perforation plate for separator of fuel cell
HYUNDAI MOTOR CO LTD0 citations57
US11276863B2Mar 15, 2022
Gas diffusion layer for fuel cell and method for manufacturing the same
HYUNDAI MOTOR CO LTD1 citations57
US12420649B2Sep 23, 2025
Power supply system of aircraft and control method thereof
HYUNDAI MOTOR CO LTD0 citations51
US10593957B2Mar 17, 2020
Gas diffusion layer for fuel cells and method of manufacturing the same
HYUNDAI MOTOR CO LTD0 citations50