ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,463,607, issued on Nov. 4, was assigned to Ampleon Netherlands B.V. (Nijmegen, Netherlands).

"Doherty amplifier" was invented by Junlei Zhao (Nijmegen, Netherlands), Yi Zhu (Nijmegen, Netherlands) and Radjindrepersad Gajadharsing (Nijmegen, Netherlands).

According to the abstract* released by the U.S. Patent & Trademark Office: "Example embodiments relate to Doherty amplifiers. One example includes a radiofrequency (RF) power amplifier. The RF power amplifier includes an input lead. The RF power amplifier also includes a first output lead. Additionally, the RF power amplifier includes a first semiconductor die arranged in between the input lead and the first output lead. The first sem...