US Patent Issued to 1FINITY on May 19 for "Doherty amplification device" (Japanese Inventors)

ALEXANDRIA, Va., May 19 -- United States Patent no. 12,633,879, issued on May 19, was assigned to 1FINITY Inc. (Kawasaki, Japan).

"Doherty amplification device" was invented by Toshiyuki Aoki (Mitaka, Japan), Akihiko Komatsuzaki (Kawasaki, Japan) and Mitsuharu Hamano (Sendai, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A Doherty amplification device includes a distributor to distribute, into first and second signals, an input signal after distortion-compensation, first and second amplifiers, a combiner to combine the amplified first and second signals, and an adjuster between the distributor and the first or second amplifiers and to include a first calculation circuit to obtain a first-characteristi...