ALEXANDRIA, Va., March 26 -- United States Patent no. 12,261,570, issued on March 25, was assigned to Semiconductor Energy Laboratory Co. Ltd. (Atsugi, Japan).
"Mixer and semiconductor device" was invented by Kazuaki Ohshima (Atsugi, Japan), Hitoshi Kunitake (Isehara, Japan) and Tatsunori Inoue (Yamato, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "To provide a mixer and a semiconductor device which each have a small circuit area and each of which operation capability is inhibited from being decreased due to heat. The mixer includes a differential portion, a current source, a first load, an input terminal, and a first output terminal; the differential portion includes a first and a second transistor; ...