ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,489,146, issued on Dec. 2, was assigned to MURATA MANUFACTURING Co. LTD. (Nagaokakyo, Japan).

"Solid state battery" was invented by Makoto Yoshioka (Nagaokakyo, Japan), Kenji Oshima (Nagaokakyo, Japan) and Osamu Chikagawa (Nagaokakyo, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A solid state battery having: a laminated structure in which one or more positive electrode layers and one or more negative electrode layers are alternately laminated with a solid electrolytic layer interposed in between; a positive end face electrode on a first end face of the laminated structure; and a negative end face electrode on a second end face of the laminated st...