ALEXANDRIA, Va., June 25 -- United States Patent no. 12,341,187, issued on June 24, was assigned to PANASONIC HOLDINGS Corp. (Osaka, Japan).
"Non-aqueous electrolyte secondary battery" was invented by Keiichi Takahashi (Hyogo, Japan), Fumiharu Niina (Hyogo, Japan), Natsumi Goto (Hyogo, Japan) and Takashi Ko (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A nonaqueous electrolyte secondary battery comprises a positive electrode that contains, as positive electrode active materials: (A) a lithium transition metal composite oxide that has a volume-based D50 of 0.6 micro metre to 3 micro metre and that consists of secondary particles comprising aggregated primary particles with an average particle d...