ALEXANDRIA, Va., May 26 -- United States Patent no. 12,640,431, issued on May 26, was assigned to Kobe Steel Ltd. (Kobe, Japan).
"Battery case and manufacturing method of battery case" was invented by Kaname Toda (Fujisawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A battery case, including a cross member between a pair of opposing wall surfaces of an inner peripheral surface of a rectangular frame body to partition an inside space surrounded by a frame body, and a bonding assistance member between each end portion of the cross member and each of the wall surfaces of the frame body facing the end portion. One end portion of the bonding assistance member is welded to the wall surface, and the bondi...