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Hirotsugu Marumoto

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Patents Grantslast 30 patents

  • Information Patent Grant

    Control method of injection molding machine and control device of i...
    • Patent number 12,251,866
    • Issue date Mar 18, 2025
    • Sumitomo Heavy Industries, Ltd.
    • Hirotsugu Marumoto
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Injection apparatus
    • Patent number 8,043,549
    • Issue date Oct 25, 2011
    • Sumitomom Heavy Industries, Ltd.
    • Hirotsugu Marumoto
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Screw and injection apparatus
    • Patent number 7,993,128
    • Issue date Aug 9, 2011
    • Sumitomo Heavy Industries, Ltd.
    • Hirotsugu Marumoto
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Screw, injection apparatus, and pressure member
    • Patent number 7,934,923
    • Issue date May 3, 2011
    • Sumitomo Heavy Industries, Ltd.
    • Hirotsugu Marumoto
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    INJECTION MOLDING MACHINE
    • Publication number 20240198571
    • Publication date Jun 20, 2024
    • Sumitomo Heavy Industries, Ltd.
    • Hirotsugu MARUMOTO
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    INJECTION MOLDING MACHINE AND CONTROL DEVICE OF INJECTION MOLDING M...
    • Publication number 20230398725
    • Publication date Dec 14, 2023
    • Sumitomo Heavy Industries, Ltd.
    • Kengo TSUNEISHI
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    CONTROL METHOD OF INJECTION MOLDING MACHINE AND CONTROL DEVICE OF I...
    • Publication number 20230064024
    • Publication date Mar 2, 2023
    • Sumitomo Heavy Industries, Ltd.
    • Hirotsugu MARUMOTO
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    SCREW AND INJECTION APPARATUS
    • Publication number 20100323057
    • Publication date Dec 23, 2010
    • Sumitomo Heavy Industries, Ltd.
    • Hirotsugu Marumoto
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    INJECTION APPARATUS
    • Publication number 20100258981
    • Publication date Oct 14, 2010
    • Sumitomo Heavy Industries, Ltd.
    • Hirotsugu Marumoto
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Screw, Injection Apparatus, and Pressure Member
    • Publication number 20100215792
    • Publication date Aug 26, 2010
    • Sumitomo Heavy Industries, Ltd.
    • Hirotsugu Marumoto
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Molding method, purging method, and molding machine
    • Publication number 20060097421
    • Publication date May 11, 2006
    • Sumitomo Heavy Industries, Ltd.
    • Shinji Terada
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL