ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,237,495, issued on Feb. 25, was assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT Co. LTD. (Osaka, Japan).
"Secondary battery" was invented by Yuki Tokuda (Osaka, Japan), Hideharu Takezawa (Nara, Japan), Yuko Ogawa (Osaka, Japan) and Hiroyuki Okuda (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electrode group includes a positive electrode, a negative electrode, a separator interposed between the positive electrode and the negative electrode, and a positive electrode lead electrically connected to the positive electrode. The positive electrode includes a positive electrode current collector and a positive electrode active material ...