ALEXANDRIA, Va., May 19 -- United States Patent no. 12,633,884, issued on May 19, was assigned to Murata Manufacturing Co. Ltd. (Kyoto, Japan).
"Power amplifier circuit" was invented by Kenichi Shimamoto (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A power amplifier circuit includes a first amplifier transistor having a base or gate for receiving a first signal inputted, the first signal being one balanced signal, a collector or drain for outputting a first amplified signal, and an emitter or source that is electrically connected to ground, a second amplifier transistor having a base or gate for receiving a second signal inputted, the second signal being another balanced signal, a collector o...