ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,444,766, issued on Oct. 14, was assigned to TOYOTA BOSHOKU K.K. (Aichi-Ken, Japan).
"Fuel cell stack" was invented by Haruyuki Aono (Aichi-ken, Japan), Satoshi Kawabe (Ichinomiya, Japan) and Naohiro Matsubara (Takahama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fuel cell stack includes single cells stacked in a first direction. Each single cell includes a power generating unit, a first separator, and a second separator. The first separator and the second separator hold the power generating unit between the first separator and the second separator. The first separator of each single cell includes first protrusions. The second separator of ea...