ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,463,257, issued on Nov. 4, was assigned to The Furukawa Battery Co. Ltd. (Yokohama, Japan).
"Liquid-type lead storage battery" was invented by Atsushi Sato (Iwaki, Japan), Shinya Suge (Fukushima, Japan) and Hideki Hagihara (Iwaki, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid-type lead storage battery includes a positive electrode collector formed of a lead alloy having a rolled structure. A grid substrate of the collector has an upper frame bone located on the upper side and a lower frame bone located on the lower side, each extending laterally, and a pair of vertical frame bones extending vertically. A lug projects upward from a positio...