ALEXANDRIA, Va., June 19 -- United States Patent no. 12,330,517, issued on June 17, was assigned to Kubota Corp. (Osaka, Japan).
"Working machine" was invented by Takahiro Takaki (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A working machine includes a vehicle body; a traveling device that supports the vehicle body; a drive that drives the traveling device; and a cabin that accommodates an operator seat. The drive has a drive motor that drives the traveling device; a fuel cell that supplies electric power to the drive motor; a controller that controls power supply from the fuel cell to the drive motor; and a hydrogen tank that supplies a hydrogen gas for fuel to the fuel cell. The hydrogen ta...