ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,550,462, issued on Feb. 10, was assigned to TIANMA JAPAN LTD. (Kawasaki, Japan).
"Imaging device" was invented by Shuhei Nara (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An imaging device includes a substrate, photodiode semiconductor layers on the substrate, an upper electrode and a lower electrode sandwiching the photodiode semiconductor layers, and a non-light-transmissive line included in a layer upper than the upper electrode, defining the substrate as the lowermost layer. The photodiode semiconductor layers include a first semiconductor layer, and a second semiconductor layer located between the first semiconductor layer and th...