ALEXANDRIA, Va., March 31 -- United States Patent no. 12,592,385, issued on March 31, was assigned to SUMITOMO METAL MINING Co. LTD. (Tokyo).
"Method for manufacturing positive-electrode active material precursor and positive-electrode active material for nonaqueous electrolyte secondary battery" was invented by Satoshi Matsumoto (Chiba, Japan), Shuuzou Ozawa (Ehime, Japan) and Kikoo Uekusa (Ehime, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for manufacturing a positive-electrode active material precursor for a nonaqueous electrolyte secondary battery containing a nickel-cobalt-manganese carbonate compound includes: an initial aqueous solution preparation process of preparing an initial aqu...