ALEXANDRIA, Va., April 15 -- United States Patent no. 12,601,691, issued on April 14, was assigned to Asahi Kasei Battery Separator Corp. (Tokyo).
"Method for manufacturing separator for electrical storage device" was invented by Hitoshi Takamori (Tokyo) and Takeshi Suzuki (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an inspection device or a manufacturing method for a separator having a thermoplastic polymer layer. A separator S includes a substrate, and a thermoplastic polymer layer disposed on a portion of one side or both sides of the substrate. The present invention is characterized by including a step for inspecting the surface of the separator S, wherein the separator is inspected...