Inventor
CHOI GI HYUK
KR7 patents
Patents
7 patentsUS9701425B2Jul 11, 2017
Apparatus and method of charging and housing of unmanned vertical take-off and landing (VTOL) aircraft
KOREA AEROSPACE RES INST31 citations89
US9975442B2May 22, 2018
Post-type apparatus for containing and charging unmanned vertical take-off and landing aircraft and method of containing and charging unmanned vertical take-off and landing aircraft using the same
KOREA AEROSPACE RES INST12 citations80
US9862285B2Jan 9, 2018
Post-type apparatus for containing and charging unmanned vertical take-off and landing aircraft and method of containing and charging unmanned vertical take-off and landing aircraft using the same
KOREA AEROSPACE RES INST12 citations80
US7216543B2May 15, 2007
Mass measurement system and method using measurement of frequency shift of vibrator
KOREA AEROSPACE RES INST12 citations78
US7161096B2Jan 9, 2007
Mass measurement system and method using inertial force and standard mass in gravity-free environment
KOREA AEROSPACE RES INST2 citations57
US10184212B2Jan 22, 2019
Coupling body using Z-pin
KOREA AEROSPACE RES INST0 citations48
US10661919B2May 26, 2020
Docking simulator
KOREA AEROSPACE RES INST0 citations33