ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,401,050, issued on Aug. 26, was assigned to YANMAR HOLDINGS Co. LTD. (Osaka, Japan).
"Fuel cell ship" was invented by Takehiro Maruyama (Osaka, Japan), Yasuyoshi Yamaguchi (Osaka, Japan), Takuya Hiraiwa (Osaka, Japan), Manabu Shinagawa (Osaka, Japan) and Yukihiko Kimura (Kunisaki, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fuel cell ship includes a fuel cell compartment in which a fuel cell is installed, a tank compartment in which a fuel tank is installed, a fuel supply pipe through which fuel is supplied from the fuel tank to the fuel cell, and a control unit. The fuel supply pipe includes at least two shutoff valves. Fuel gas detectors th...