ALEXANDRIA, Va., July 3 -- United States Patent no. 12,345,648, issued on July 1, was assigned to NATIONAL INSTITUTE FOR MATERIALS SCIENCE (Ibaraki, Japan).

"Method of non-contact material identification, method of non-contact temperature identification, and method for identifying progress of heat treatment processing" was invented by Tadaaki Nagao (Ibaraki, Japan), Duc Thien Ngo (Ibaraki, Japan), Ryo Tamura (Ibaraki, Japan) and Tung Anh Doan (Ibaraki, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is to perform an identification of a temperature and/or a material of a target object to be measured in a non-contact and simple manner. A relationship between a wavelength and an emissivity of ther...