ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,548,867, issued on Feb. 10, was assigned to SANYO Electric Co. Ltd. (Osaka, Japan).
"Secondary battery" was invented by Ryoichi Wakimoto (Hyogo, Japan), Naoya Tada (Hyogo, Japan), Atsushi Tsuji (Hyogo, Japan) and Yoshinori Yokoyama (Tokushima, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A secondary battery includes an electrode body including a positive electrode plate and a negative electrode plate; a battery case containing the electrode body; a terminal attached to the battery case; a conductive member having an opening adjacent to the electrode body; a deformation plate that seals the opening, and a current collector. The positive electrode...