ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,461, issued on Nov. 25, was assigned to YAMABIKO Corp. (Tokyo).
"Fuel regulator" was invented by Tamotsu Saito (Tokyo), Tomoyoshi Kudo (Tokyo), Yuta Onuma (Tokyo) and Ryosuke Imai (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fuel regulator includes a limit cap which is attached to a needle valve which is inserted into a regulation hole. In an inner peripheral surface of a second hole portion of the regulation hole, a restriction groove and a guide groove which extends from the restriction groove through an outer surface of a main body portion in an axial direction of the second hole portion are formed. A projecting portion which is insert...