ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,439,822, issued on Oct. 7, was assigned to SUMITOMO ELECTRIC INDUSTRIES LTD. (Osaka, Japan).
"Optical sensor" was invented by Kyohei Kakuyama (Osaka, Japan), Kotaro Hirose (Osaka, Japan) and Masahiro Adachi (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical sensor includes a support film having a first main surface and a second main surface located opposite to the first main surface in a thickness direction; a thermoelectric-conversion material section disposed on the first main surface and including a plurality of strip-shaped first material layers formed of SiGe having p-type conductivity and configured to convert thermal energy in...