ALEXANDRIA, Va., June 19 -- United States Patent no. 12,334,259, issued on June 17, was assigned to AZUL Energy Inc. (Miyagi, Japan).

"Capacitor, composite material for capacitor, and manufacturing method thereof" was invented by Koju Ito (Sendai, Japan) and Koki Nakamura (Sendai, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a capacitor and a composite material for a capacitor which have a high capacity, and a manufacturing method thereof. Provided is a capacitor, a composite material for a capacitor, and a manufacturing method thereof, in which the capacitor includes a pair of electrodes and an electrolyte, and at least one of the electrodes contains a metal complex or an adduct thereof ...