ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,555,866, issued on Feb. 17, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).
"Power storage device" was invented by Taro Matsushita (Toyokawa, Japan), Tadahiro Kondo (Toyota, Japan), Shotaro Ishikawa (Miyoshi, Japan), Koichiro Kishi (Toyota, Japan) and Kenta Watanabe (Toyota, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A power storage device includes a power storage stack and a housing case. In the power storage stack, a plurality of unit cells and a plurality of spacers are alternately stacked in a first direction. A first support surface of each spacer among the plurality of spacers is angled corresponding to and is in contact with a firs...