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Hiroyuki Amatsutsu

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  • Takatsuki-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Corrugated pipe joint
    • Patent number 6,398,270
    • Issue date Jun 4, 2002
    • Totaku Industries, Inc.
    • Kouki Fukui
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Flexible hose
    • Patent number 6,347,646
    • Issue date Feb 19, 2002
    • Totaku Industries, Inc.
    • Kouki Fukui
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Bellmouth with joint block body with the bellmouth and hand hole wi...
    • Patent number 6,340,181
    • Issue date Jan 22, 2002
    • Totaku Industries, Inc.
    • Hiroyuki Amatsutsu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Synthetic resin pipe with joint
    • Patent number 6,338,507
    • Issue date Jan 15, 2002
    • Totaku Industries, Inc.
    • Hiroyuki Amatsutsu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Connector for connecting spirally corrugated pipe to wall
    • Patent number 6,237,969
    • Issue date May 29, 2001
    • Totaku Industries, Inc.
    • Hiroyuki Amatsutsu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Bell mouth for annularly corrugated pipe
    • Patent number 6,007,110
    • Issue date Dec 28, 1999
    • Totaku Industries, Inc.
    • Hiroyuki Amatsutsu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Connecting tubular body for handhole or manhole, block body for the...
    • Patent number 5,950,369
    • Issue date Sep 14, 1999
    • Totaku Industries, Inc.
    • Hiroyuki Amatsutsu
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Wire harness protector
    • Patent number 5,832,960
    • Issue date Nov 10, 1998
    • Totaku Industries, Inc.
    • Hiroyuki Amatsutsu
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    Flexible hose
    • Publication number 20010025665
    • Publication date Oct 4, 2001
    • Kouki Fukui
    • F24 - HEATING RANGES VENTILATING