ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,420, issued on Feb. 10, was assigned to TOYOX Co. LTD. (Toyama, Japan).

"Hose joint" was invented by Akihiro Inagaki (Toyama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A hose joint including a nipple body and a cap nut. The cap nut has a cylindrical barrel part and a nut part, the nut part has a width-across-flats part, and a circumscribed circle of an outer periphery of the width-across-flats part has a diameter larger than a diameter of the cylindrical barrel part, and an inscribed circle of the outer periphery of the width-across-flats part has a diameter smaller than the diameter of the cylindrical barrel part."

The patent was filed ...