ALEXANDRIA, Va., July 3 -- United States Patent no. 12,347,875, issued on July 1, was assigned to PANASONIC HOLDINGS Corp. (Osaka, Japan).

"Power storage device" was invented by Tetsuji Omura (Hyogo, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A power storage device includes: an electrode assembly including a positive-electrode plate, a negative-electrode plate, and a separator which are stacked on one another, the separator being disposed between the positive-electrode plate and the negative-electrode plate; an exterior can accommodating the electrode assembly and an electrolyte solution therein, the exterior can having a side wall with a tubular shape and an opening provided at least at one end of...