ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,531,530, issued on Jan. 20, was assigned to MITSUBISHI ELECTRIC Corp. (Tokyo).

"Amplifier circuit and composite circuit" was invented by Yasuaki Ota (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "In the amplifier circuit, the rising settling time and the falling settling time are kept short. The amplifier circuit includes a first transistor of a first conductivity type having a first control terminal; a second transistor of a second conductivity type different from the first conductivity type, the second transistor having a second control terminal connected to an input terminal and a fourth current terminal connected to the first control terminal...