US Patent Issued to ENEOS on March 3 for "Flowmeter failure determination method and hydrogen filling apparatus" (Japanese Inventors)

ALEXANDRIA, Va., March 3 -- United States Patent no. 12,565,969, issued on March 3, was assigned to ENEOS Corp. (Tokyo).

"Flowmeter failure determination method and hydrogen filling apparatus" was invented by Tadashi Seike (Tokyo), Shinji Oshima (Tokyo), Ai Minoda (Tokyo) and Toshio Tezuka (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A flowmeter failure determination method includes: a step of measuring a filling amount of hydrogen gas filled in a fuel tank of an automobile, using a flowmeter; a step of acquiring information of a pressure and a temperature of the fuel tank; a step of calculating the filling amount of the hydrogen gas filled in the fuel tank based on the acquired pressure and tempera...