ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,460,461, issued on Nov. 4, was assigned to GLOBAL ARC INC. (Fukuoka, Japan).
"Door hinge using link between shafts" was invented by Yoshihito Minamihara (Fukuoka, Japan), Shingo Minamihara (Fukuoka, Japan), Masaaki Minamihara (Fukuoka, Japan) and Masahiko Otsuka (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a hinge and a door mechanism that are mounted on a large-sized and heavy door that requires sealing property and difficult adjustment. The hinge includes: a fulcrum shaft; an adjustment shaft that is disposed adjacently to and parallel to the fulcrum shaft; a housing-side fixing portion that supports the fulcrum shaft; a doo...