ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,407,302, issued on Sept. 2, was assigned to MURATA MANUFACTURING Co. LTD. (Kyoto, Japan).
"Power amplifier circuit" was invented by Toshikazu Terashima (Kyoto, Japan), Yuri Honda (Kyoto, Japan) and Takashi Yamada (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A power amplifier circuit includes a first transistor having the base coupled to an input terminal, the collector coupled to an output terminal, and the emitter coupled to ground, a first bias circuit coupled to the base of the first transistor via the first resistance element, a second transistor having the base coupled to the input terminal, the collector coupled to the output termi...