ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,751,797, issued on Oct. 6, was assigned to Narita Shinichi (Tokyo).
"Orthodontic bracket" was invented by Shinichi Narita (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "An orthodontic bracket that firmly fixes the auxiliary tool and facilitates its attachment and removal is provided. The orthodontic bracket 1 comprises a bracket body 3, slot portions 7 and 9 fixed to the bracket body 3 for passing a wire 5, and an auxiliary tool attachment portion 13 fixed to the bracket body 3 for attaching an auxiliary tool, wherein the auxiliary tool attachment portion 13 comprises a ring-shaped body portion 15 and an opening and closing portion 17 for opening ...