ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,424,715, issued on Sept. 23, was assigned to PRIME PLANET ENERGY & SOLUTIONS INC. (Tokyo).

"Method for manufacturing secondary battery" was invented by Hideki Sano (Ikeda, Japan), Daisuke Nishide (Kobe, Japan) and Shigeki Matsuta (Kobe, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a technology capable of improving the impregnation efficiency of an electrolyte into an electrode body. In accordance with a preferable one embodiment of a method for manufacturing a secondary battery herein disclosed, a method for manufacturing a secondary battery including an electrode body, an electrolyte, and a battery case is provided. The manufacturi...