ALEXANDRIA, Va., July 3 -- United States Patent no. 12,347,878, issued on July 1, was assigned to PANASONIC ENERGY Co. LTD. (Osaka, Japan).
"Cylindrical battery" was invented by Keisuke Yamashita (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cylindrical battery includes: an outer can in the shape of a bottomed cylinder; a sealing body which closes one end of the outer can; an electrode body disposed inside the outer can; and an insulating resin component disposed between the outer can and the sealing body. The sealing body includes a metal component which is connected to a positive electrode lead that leads out from the electrode body. The metal component has an easily broken portion radiall...