ALEXANDRIA, Va., July 3 -- United States Patent no. 12,347,868, issued on July 1, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).

"Electrode structure" was invented by Hideki Hagiwara (Nagoya, Japan) and Ryuto Sakamoto (Okazaki, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electrode structure includes a positive electrode layer and a positive electrode collector member. The positive electrode collector member includes a positive electrode collector foil, a carbon film, and a hot melt adhesive agent. A positive electrode total specific surface area is more than or equal to 2.2 m2/g and less than or equal to 3.0 m2/g, the positive electrode total specific surface area being represented by a tot...