ALEXANDRIA, Va., May 5 -- United States Patent no. 12,620,680, issued on May 5, was assigned to TOYOTA BATTERY Co. LTD. (Kosai, Japan).
"Joining method, joining structure, and battery" was invented by Shigeki Saito (Hamamatsu, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A joining method includes providing an electrode body that includes electrode plate end portions overlapping each other in a thickness-wise direction of the electrode plate end portions; providing a current collector including a folded portion, the folded portion includes two opposing holding walls that hold the electrode plate end portions of the electrode body in between, and a top portion that connects the two holding walls and in...