ALEXANDRIA, Va., June 17 -- United States Patent no. 12,311,425, issued on May 27, was assigned to TOYOTA BOSHOKU K.K. (Aichi-Ken, Japan).
"Workpiece production apparatus" was invented by Kazuyuki Hirata (Toyota, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A workpiece production apparatus includes a stationary die assembly and a movable die assembly. The stationary die assembly includes a stationary die body and a die. The movable die assembly includes a movable die body, a shaping punch, a blanking punch, a first pushing member, and a second pushing member, which has a higher rigidity than the first pushing member. The workpiece production apparatus is configured to bring the movable die assembly c...