US Patent Issued to TOYOTA BOSHOKU on Feb. 10 for "Fuel cell stack" (Japanese Inventors)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,548,790, issued on Feb. 10, was assigned to TOYOTA BOSHOKU K.K. (Aichi-ken, Japan).

"Fuel cell stack" was invented by Haruyuki Aono (Aichi-ken, Japan) and Satoshi Kawabe (Ichinomiya, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fuel cell stack includes stacked single cells. Each single cell includes a power generating unit, a first separator, and a second separator. The first separator includes a facing surface that faces the power generating unit. The facing surface includes first groove passages. The first groove passages include first main passages and first auxiliary passages. The second separator includes a facing surface that faces the p...