ALEXANDRIA, Va., July 23 -- United States Patent no. 12,366,536, issued on July 22, was assigned to DAIKIN INDUSTRIES LTD. (Osaka, Japan).

"Method of inspecting joint portion of fluororesin member and fluororesin member inspection method" was invented by Masao Noumi (Osaka, Japan) and Atsushi Sakakura (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for inspecting a joint portion between fluororesin members, including: a step (A1) of inspecting an internal condition of a joint portion between a fluororesin member (A1) and a fluororesin member (A2) based on image data obtained by imaging the joint portion by optical coherence tomography. Also disclosed is a method for inspecting a fluoror...