ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,866, issued on March 18, was assigned to SUMITOMO HEAVY INDUSTRIES LTD. (Tokyo).
"Control method of injection molding machine and control device of injection molding machine" was invented by Hirotsugu Marumoto (Chiba, Japan), Masahiro Iwahashi (Chiba, Japan), Yutaka Tsutsumi (Chiba, Japan) and Kazuya Hiraiwa (Chiba, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A control method of an injection molding machine that molds a molding product including a skin layer and a core layer in a mold unit by injecting a molding material to the mold unit from a nozzle, the control method including controlling, at a starting time of an injection process, a ...