ALEXANDRIA, Va., April 15 -- United States Patent no. 12,603,279, issued on April 14, was assigned to Murata Manufacturing Co. Ltd. (Kyoto, Japan).

"Positive electrode active material for secondary battery, positive electrode for secondary battery, and secondary battery" was invented by Kazuaki Endoh (Kyoto, Japan) and Hironobu Kubota (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A secondary battery includes a positive electrode for a secondary battery, a negative electrode, and an electrolytic solution. The positive electrode for a secondary battery includes a positive electrode active material for a secondary battery. The positive electrode active material for a secondary battery includes fi...