ALEXANDRIA, Va., March 24 -- United States Patent no. 12,585,001, issued on March 24, was assigned to Canon K.K. (Tokyo).

"Optical detection apparatus and optical detection system" was invented by Kazuhiro Morimoto (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical detection apparatus includes a trench isolation portion provided in a substrate and disposed between a plurality of photoelectric conversion elements. Each of the plurality of photoelectric conversion elements includes an avalanche diode. The avalanche diode includes a first semiconductor region of a first conductivity type, a second semiconductor region of a second conductivity type, and a third semiconductor region having...