ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,451,582, issued on Oct. 21, was assigned to RN2 Technologies Co. Ltd. (Hwaseong-si, South Korea).
"Coupler having spiral coupling line" was invented by Chang Heon Seok (Hwaseong-si, South Korea), Gyung Hoon Baek (Hwaseong-si, South Korea), Jae Hong Choi (Hwaseong-si, South Korea), Hyo Jong Lee (Hwaseong-si, South Korea) and Jeom Gug Yook (Hwaseong-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a coupler having a spiral coupling line, and may include a coupler body including ground electrodes and port electrodes for power connection to an outside on a lower surface; a first coupling line located inside the...