ALEXANDRIA, Va., July 15 -- United States Patent no. 12,665,216, issued on June 23, was assigned to PRIME PLANET ENERGY & SOLUTIONS INC. (Tokyo).

"Manufacturing method of secondary battery" was invented by Masao Fukunaga (Kobe, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A herein disclosed manufacturing method of a secondary battery is a manufacturing method of a secondary battery that includes a wound electrode assembly and a battery case. The herein disclosed manufacturing method of the secondary battery comprising: an arranging step for arranging the plural wound electrode assemblies inside the battery case; a peeling step for peeling off at least one, among the positive electrode and the negativ...