ALEXANDRIA, Va., May 26 -- United States Patent no. 12,640,387, issued on May 26, was assigned to Honda Motor Co. Ltd. (Tokyo).
"Fuel cell system" was invented by Kohei Kakuta (Saitama, Japan) and Yuji Terasawa (Saitama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fuel cell system includes a fuel cell stack; a fuel gas supply pipe supplying a fuel gas to the fuel cell stack; an injector injecting the fuel gas supplied from the fuel gas supply pipe into the fuel cell stack through a piping unit; and a buffer part located at an upstream side of the injector and being capable of circulating the fuel gas. The buffer part includes: a manifold; and a buffer tank connected to the manifold and circulating...