US Patent Issued to Asahi Kasei on Sept. 15 for "Separator having fine pattern, wound body, and non-aqueous electrolyte battery" (Japanese Inventor)

ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,738,601, issued on Sept. 15, was assigned to Asahi Kasei K.K. (Tokyo).

"Separator having fine pattern, wound body, and non-aqueous electrolyte battery" was invented by Hiroyuki Saeki (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A separator used for a non-aqueous electrolyte battery comprises a substrate, and a plurality of protruding patterns on at least one principal surface of the substrate, wherein the substrate includes one or more layers, and the value of T1/T2 is 0.3 or more where T1 is the distance between an approximately flat surface formed at the top of the protruding pattern and an approximately flat surface formed at the bottom of ...