ALEXANDRIA, Va., April 7 -- United States Patent no. 12,596,049, issued on April 7, was assigned to NOK Corp. (Japan).
"Sealing component inspection method, inspection device, and inspection program" was invented by Tatsuya Saito (Shizuoka, Japan) and Tomohiro Kawai (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The gas permeation amount of each of a plurality of rubber sealing components manufactured according to the same specifications is measured by helium leak testing, and for each sealing component, sample data is acquired which is formed of a pair of a measurement value at a criterion time CT in an unstable period A, during which the permeation amount increases, and a measurement value...