ALEXANDRIA, Va., April 15 -- United States Patent no. 12,603,302, issued on April 14, was assigned to TOYOTA BOSHOKU K.K. (Aichi-ken, Japan).
"Single cell for fuel cell" 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 single cell for a fuel cell includes a power generating unit and two separators that hold the power generating unit in between. Each separator includes a facing surface, which faces the power generating unit. Each facing surface includes groove passages and ribs. Each of the ribs includes a top wall portion, two side wall portions, and corner portions. The top wall portion is in contact with the power genera...