ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,463,235, issued on Nov. 4, was assigned to PANASONIC ENERGY Co. LTD. (Osaka, Japan).

"Cylindrical battery" was invented by Shuji Sugimoto (Hyogo, Japan), Takahiro Fukuoka (Tokushima, Japan), Kazuhiko Watanabe (Osaka, Japan) and Toshihiko Mori (Shiga, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The cylindrical battery includes: an electrode body in which a positive electrode plate and a negative electrode plate are wound with a separator therebetween: an electrolyte; a bottomed cylindrical outer can that houses the electrode body and the electrolyte; and a sealing body that closes an opening of the outer can, wherein the sealing body includes a r...