GENEVA, July 9 -- E-UMTECH INC. (5F, 41-13, Burim-ro 170beon-gilDongan-gu, Anyang-siGyeonggi-do 14055), 주식회사 이음텍 (경기도안양시 동안구부림로170번길 41-13, 5층), SEONG, Kyoung Hwan (3303-1302, 65, Misagangbyeonseo-roHanam-siGyeonggi-do 12916), 성경환 (경기도하남시미사강변서로 65, 3303-1302) filed a patent application (PCT/KR2024/019579) for "WIRELESS RELAY DEVICE USING LINK FREQUENCY AND OPERATION METHOD THEREOF" on Dec 03, 2024. With publication no. WO/2025/143608, the details related to the patent application was pu...