ALEXANDRIA, Va., March 17 -- United States Patent no. 12,581,216, issued on March 17, was assigned to Canon K.K. (Tokyo).

"Photoelectric conversion device, imaging system, and equipment" was invented by Shuhei Hayashi (Kanagawa, Japan) and Hajime Ikeda (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A photoelectric conversion device includes a photoelectric conversion unit, a FD that retains signal charges, a transistor connected to the FD, a transfer transistor that controls transfer of the signal charges, a storage capacity unit connected to the photoelectric conversion unit, a reset transistor that connects the FD and a fixed potential, a storage capacity connection transistor that connect...