ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,512,480, issued on Dec. 30, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).
"All-solid-state battery stack" was invented by Takumi Tanaka (Miyoshi, Japan), Hajime Hasegawa (Aichi-ken, Japan), Satomi Yamamoto (Miyoshi, Japan), Koichi Tanimoto (Nisshin, Japan) and Sokichi Okubo (Nisshin, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention provides an all-solid-state battery stack with high voltage. The all-solid-state battery stack of the disclosure has a plurality of monopolar battery units stacked together via insulator layers. The monopolar battery unit also has a first current collector layer, a first active material layer, a solid...