ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,489,124, issued on Dec. 2, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).
"Fuel cell system" was invented by Tsuyoshi Maruo (Okazaki, Japan), Seiichi Tanaka (Nagoya, Japan), Makoto Mori (Susono, Japan), Tomotaka Ishikawa (Nagoya, Japan) and Yoshiaki Naganuma (Toyota, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fuel cell system includes a fuel cell including a plurality of stacked cells, a fuel gas supply unit configured to supply fuel gas to a supply port of the fuel cell and return the fuel gas exhausted through an exhaust port of the fuel cell, and a controller configured to control an operation of the fuel gas supply unit. The control...