ALEXANDRIA, Va., June 9 -- United States Patent no. 12,287,158, issued on April 29, was assigned to Honda Motor Co. Ltd. (Tokyo).

"Heat exchanger and method for manufacturing same" was invented by Tsuneo Endo (Saitama, Japan) and Yuta Kurosawa (Saitama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A heat exchanger includes a partition wall that separates two fluids having different temperatures. The partition wall includes a side circumferential portion, and a bottom portion configured to close an opening on one side of the side circumferential portion. Fins are formed on an outer surface of the partition wall, and arranged side by side in a circumferential direction around a center of a cylinder of ...