ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,401,067, issued on Aug. 26, was assigned to FDK Corp. (Tokyo).
"Alkaline secondary battery" was invented by Hiroyuki Shibaoka (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A nickel hydrogen secondary battery includes an electrode group including a positive electrode and a negative electrode that face each other via a separator, an outer package can that has an opening at an upper end thereof, and accommodates the electrode group therein together with an electrolyte, a sealing body including a cover plate fitted in the opening of the outer package can, and a positive electrode cap which is electrically connected to an outer surface of the cover p...