ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,726,047, issued on Sept. 1, was assigned to ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE (Daejeon, South Korea).

"Method and device for controlling resonant inductor for implementing ZVS in push-pull parallel resonant inverter of wireless power transmission device" was invented by Kye Seok Yoon (Suwon-si, South Korea), Gwang Zeen Ko (Daejeon, South Korea), Sang Won Kim (Daejeon, South Korea), Seong Min Kim (Daejeon, South Korea) and In Kui Cho (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method and device for controlling a resonant inductor for implementing ZVS in a push-pull parallel resonant inverter is closed. The p...