US Patent Issued to MITSUBISHI ELECTRIC on June 16 for "Doherty amplifier" (Japanese Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,658,856, issued on June 16, was assigned to MITSUBISHI ELECTRIC Corp. (Tokyo).

"Doherty amplifier" was invented by Yuji Komatsuzaki (Tokyo), Shuichi Sakata (Tokyo) and Koji Yamanaka (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A Doherty amplifier includes: a first filter circuit to output a first input signal obtained by attenuating an input signal lying in a first frequency band, and to output a second input signal obtained by allowing passage of an input signal lying in a second frequency band; a second filter circuit to output a third input signal obtained by attenuating an input signal lying in the first frequency band, and to output a four...