ALEXANDRIA, Va., July 21 -- United States Patent no. 12,688,980, issued on July 21, was assigned to MURATA MANUFACTURING Co. LTD. (Nagaokakyo, Japan) and COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES (Paris).

"Supercapacitors having a composite solid electrolyte with a dielectric matrix, and methods of their manufacture" was invented by Sami Oukassi (Grenoble, France), Valentin Sallaz (Cran-Gevrier, France) and Frederic Voiron (Barraux, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A supercapacitor that includes: a first electrode; a second electrode; and a composite solid electrolyte disposed between the first electrode and the second electrode. The composite solid electrolyte inclu...