ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,851, issued on Nov. 25, was assigned to ASHIGARA MANUFACTURING INC. (Kanagawa, Japan).
"Method for diagnosing film degradation" was invented by Terumitsu Ishii (Kanagawa, Japan) and Daisuke Yamamoto (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An object of the present invention is to provide a novel method for diagnosing film degradation which can identify the degraded state of a film based on a resin more efficiently and reliably than ever. In order to attain this object, a method for diagnosing the degradation of a film based on a resin is adopted, the method comprising using the following analysis method A and/or analysis metho...