ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,431,530, issued on Sept. 30, was assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT Co. LTD. (Osaka, Japan).

"Nonaqueous electrolyte secondary battery" was invented by Nobuhiko Hojo (Osaka Fu, Japan) and Yuji Tani (Osaka Fu, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A nonaqueous electrolyte secondary battery includes a positive electrode, a negative electrode, and a lithium ion conductive nonaqueous electrolyte, wherein the negative electrode contains graphite, an open circuit potential of the negative electrode in a fully charged state is 70 mV or less relative to lithium metal, the nonaqueous electrolyte contains a solvent, a cation, a...