ALEXANDRIA, Va., June 9 -- United States Patent no. 12,289,083, issued on April 29, was assigned to Semiconductor Energy Laboratory Co. Ltd. (Kanagawa-ken, Japan).
"Communication device" was invented by Hajime Kimura (Kanagawa, Japan) and Takayuki Ikeda (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A communication device that can transmit and receive a signal with a large amplitude is provided. The communication device includes an amplifier circuit including first to fourth transistors, first to fourth bias transistors, first to fourth loads, and first to fourth terminals. The drains of the first to fourth transistors are electrically connected to the sources of the first to fourth bias tra...