ALEXANDRIA, Va., June 16 -- United States Patent no. 12,660,338, issued on June 16, was assigned to TIANMA JAPAN LTD. (Kanagawa, Japan).

"Photodiode array and image sensor" was invented by Shuhei Nara (Kawasaki, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A photodiode array includes a plurality of elemental devices arrayed on a substrate. Each of the plurality of elemental devices includes an upper electrode, a lower electrode, a photoelectric conversion region between the upper electrode and the lower electrode, a lower conductive part located lower than the lower electrode; and an insulating layer between the lower electrode and the lower conductive part. The lower conductive part at least partial...