ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,424,649, issued on Sept. 23, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).
"Fuel cell system" was invented by Yasushi Takahashi (Mishima, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fuel cell system, wherein the fuel cell system comprises a fuel cell, an oxidant gas system and a controller; wherein the oxidant gas system comprises an oxidant gas supply flow path, an oxidant off-gas discharge flow path, a first bypass flow path, an oxidant gas supplier, a pressure control valve, a gas-liquid separator and a humidifier; wherein the oxidant gas supplier comprises, on the oxidant off-gas discharge flow path side, an expander connected to ...