ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,394,845, issued on Aug. 19, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).
"Battery production method, battery production apparatus, and battery" was invented by Satoshi Nakashima (Toyota, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "(a) An electrode assembly is accommodated in a laminated casing. (b) A pressure-applied portion is formed by sandwiching at least a portion of a peripheral edge of the laminated casing between a first tool and a second tool. (c) A sealed portion is formed by applying ultrasonic vibration from at least one of the first tool and the second tool to the pressure-applied portion. The first tool includes a projectio...