ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,381,215, issued on Aug. 5, was assigned to SUMITOMO METAL MINING Co. LTD. (Tokyo).

"Nonaqueous electrolyte secondary battery positive electrode active material and method for producing same, and nonaqueous electrolyte secondary battery which uses positive electrode active material" was invented by Hiroko Oshita (Niihama, Japan), Kazuomi Ryoshi (Niihama, Japan), Taira Aida (Niihama, Japan), Koji Yamaji (Niihama, Japan) and Jiro Okada (Niihama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a composite oxide that can achieve a high low-temperature output characteristic, a method for manufacturing the same, and a positiv...