ALEXANDRIA, Va., July 16 -- United States Patent no. 12,362,378, issued on July 15, was assigned to SANYO Electric Co. Ltd. (Osaka, Japan).

"Nonaqueous electrolyte secondary battery" was invented by Ken Kaneko (Hyogo, Japan), Yuu Takanashi (Hyogo, Japan) and Kentaro Takahashi (Hyogo, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "This nonaqueous electrolyte secondary battery has a non-aqueous electrolyte and an electrode assembly formed by layering a positive electrode and a negative electrode layered via a separator. The positive electrode has a positive electrode core and a positive electrode mix layer containing a positive electrode active substance. The median diameter (D50) of the positive electro...