US Patent Issued to PRIME PLANET ENERGY & SOLUTIONS on Feb. 4 for "Nonaqueous electrolyte secondary battery" (Japanese Inventors)

ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,218,313, issued on Feb. 4, was assigned to PRIME PLANET ENERGY & SOLUTIONS INC. (Tokyo).

"Nonaqueous electrolyte secondary battery" was invented by Masashi Muraoka (Kakogawa, Japan) and Kazuki Takeno (Takasago, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A nonaqueous electrolyte secondary battery includes an exterior package, an electrode assembly, and an electrolyte solution. In a cross section orthogonal to a winding axis of the laminated assembly, the electrode assembly has a contour line having a corner-rounded rectangular shape. The contour line consists of a first arc-shaped portion, a straight line portion, and a second arc-shaped portion...