ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,771,298, issued on Oct. 20, was assigned to SUMITOMO ELECTRIC DEVICE INNOVATIONS INC. (Yokohama, Japan).

"Doherty amplifier" was invented by James Wong (Yokohama, Japan) and Kento Kawasaki (Yokohama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A Doherty amplifier includes a substrate, a first transistor provided on the substrate and including first gate electrodes, first drain electrodes, a first gate bus bar and a first drain bus bar, a second transistor provided on the substrate and including second gate electrodes, second drain electrodes, a second gate bus bar having a first end, and a second drain bus bar, a combining node provided on the ...