HM

Hirotsugu Marumoto

SI Sumitomo Heavy Industries: 5 patents #80 of 917Top 9%
Overall (All Time): #904,842 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12427703 Injection molding machine 2025-09-30
12251866 Control method of injection molding machine and control device of injection molding machine Masahiro Iwahashi, Yutaka Tsutsumi, Kazuya Hiraiwa 2025-03-18
8043549 Injection apparatus Shigeru Takeuchi, Kohei Washida, Daisuke Goto, Munekatsu Kamiya 2011-10-25
7993128 Screw and injection apparatus Munekatsu Kamiya 2011-08-09
7934923 Screw, injection apparatus, and pressure member Munekatsu Kamiya 2011-05-03