ALEXANDRIA, Va., June 5 -- United States Patent no. 12,275,144, issued on April 15, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).
"Joint structure of robot" was invented by Hiroyuki Kondo (Chofu, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A joint structure of a robot according to the present disclosure includes: a first link whose one end is connected to a first member; a second link in which one end thereof is connected to the first link and an other end thereof is connected to a second member; and a first pivot that connects an other end of the first link to the one end of the second link. The joint structure also includes: a third link whose one end is connected to the first link at a pos...