ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,562,438, issued on Feb. 24, was assigned to PRIME PLANET ENERGY & SOLUTIONS INC. (Tokyo).
"Power storage device" was invented by Daiki Watanabe (Kakogawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "In a power storage device, a plurality of electrode tabs includes a bent portion bent in a tab thickness direction. At least one of the electrode tabs constituting an electrode tab group has a shape that a tab width of a connection-side bent portion of bent portions, which is located on a side close to a tab connection portion, is smaller than a tab width of a tab connection portion including a bonded portion located on an inside in a tab width dire...