ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,776,488, issued on Oct. 27, was assigned to NICHIA Corp. (Anan, Japan).

"Method of producing positive electrode active material for nonaqueous electrolyte secondary battery" was invented by Kenichi Kobayashi (Tokushima, Japan) and Yukiko Sano (Anan, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of producing a positive electrode active material for a nonaqueous electrolyte secondary battery, the method includes preparing nickel-containing composite oxide particles having a ratio 1D90/1D10 of a 90% particle size 1D90 to a 10% particle size 1D10 in volume-based cumulative particle size distribution is 3 or less; mixing the composite oxide p...