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Masaaki Konno

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  • Chiba-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of operating a back-flow prevention apparatus
    • Patent number 6,613,265
    • Issue date Sep 2, 2003
    • Sumitomo Heavy Industries, Ltd.
    • Masaaki Konno
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Back-flow prevention apparatus
    • Patent number 6,007,322
    • Issue date Dec 28, 1999
    • Sumitomo Heavy Industries, Ltd.
    • Hiroyoshi Suumen
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

  • 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