ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,700,850, issued on Aug. 4, was assigned to SUMITOMO ELECTRIC INDUSTRIES LTD. (Osaka, Japan).
"High frequency circuit" was invented by Takashi Sumiyoshi (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A high frequency circuit includes a transistor having an input electrode that inputs a high frequency signal and an output electrode that outputs the high frequency signal, a transmission line that is connected to any one of the input electrode and the output electrode, and transmits the high frequency signal, a coupling line electrically separated from the transmission line and electromagnetically coupled to the transmission line, and a resonan...