ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,475,541, issued on Nov. 18, was assigned to DAIKIN INDUSTRIES LTD. (Osaka, Japan).

"Blemish evaluation method, droplet evaluation method, repellent evaluation method, and repellent evaluation device" was invented by Rumi Kawabe (Osaka, Japan), Shuuto Yamagata (Osaka, Japan) and Ikuo Yamamoto (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An evaluation method for evaluating a spot generated on a substrate that has been treated with a repellent, the method includes an acquiring step of acquiring image data including data on the substrate that has been treated with the repellent to be evaluated, a spot-detecting step of creating a smoothed im...