ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,525,651, issued on Jan. 13, was assigned to PANASONIC HOLDINGS Corp. (Osaka, Japan).
"Rectangular secondary battery" was invented by Ichiro Murata (Hyogo, Japan) and Hiroaki Imanishi (Hyogo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rectangular secondary battery includes: an electrode body including a positive electrode plate and a negative electrode plate; a rectangular battery case having an opening and housing the electrode body; a sealing plate sealing the opening; a current collector connected to an edge of the positive electrode plate or the negative electrode plate at a longitudinal end of the sealing plate; and an external terminal ...