ALEXANDRIA, Va., April 2 -- United States Patent no. 12,263,730, issued on April 1, was assigned to KYOSAN DENKI Co. LTD. (Koga, Japan) and TOYOTA JIDOSHA K.K. (Toyota, Japan).
"Control valve for fuel tank" was invented by Akinari Sugiyama (Koga, Japan), Takashi Fukumitsu (Toyota, Japan), Makoto Iwase (Toyota, Japan) and Hidekazu Fukuoka (Toyota, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fuel-tank control valve includes: casing; main float; plate with upper surface that constitutes bottom portion of casing, and that includes first gas-storage chamber formed of plate and peripheral wall portion that is provided upright from rim of upper surface to lower side; sub float arranged above the plate; s...