ALEXANDRIA, Va., April 7 -- United States Patent no. 12,597,897, issued on April 7, was assigned to Murata Manufacturing Co. Ltd. (Kyoto, Japan).
"Differential amplifying apparatus" was invented by Masafumi Kazuno (Kyoto, Japan) and Kenji Mukai (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A differential amplifying apparatus includes an input matching circuit serving as an input balun to which a signal inputted to an input terminal is input, an output matching circuit serving as an output balun that outputs a signal to an output terminal, first and second amplifiers provided in parallel between the input balun and the output balun and configured to output a differential signal, a diode provide...