ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,591, issued on March 24, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).
"Gas supply system" was invented by Yutaka Hotta (Toyota, Japan), Koji Sugiura (Toyota, Japan) and Chihiro Uchimura (Toyota, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A tank of a gas supply system is configured to be detachably attached to a gas consumption device. A control device is configured to, when the tank is detached, close an open/close valve to stop supply of gas from the tank, stop consumption of gas by the gas consumption device after the gas in the supply channel is consumed, and perform computation to permit detachment of the tank after confirming...