TREA

Kazumasa Umehara

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  • Tagata, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Structure having interconnected metal tubes
    • Patent number 4,902,049
    • Issue date Feb 20, 1990
    • Usui Kokusai Sangyo Kabushiki Kaisha
    • Kazumasa Umehara
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Structure having interconnected metal tubes
    • Patent number 4,850,621
    • Issue date Jul 25, 1989
    • Usui Kokusai Sangyo Kabushiki Kaisha
    • Kazumasa Umehara
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Arrangement for fixing end of thin-walled pipe to flange coupling
    • Patent number 4,832,377
    • Issue date May 23, 1989
    • Usui Kokusai Sangyo Kabushiki Kaisha
    • Kazumasa Umehara
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pipe and clamp combination
    • Patent number 4,826,114
    • Issue date May 2, 1989
    • Usui Kokusai Sangyo Kaisha Ltd.
    • Kazumasa Umehara
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Thin flexible metal tube
    • Patent number 4,819,970
    • Issue date Apr 11, 1989
    • Usui Kokusai Sangyo Kabushiki Kaisha
    • Kazumasa Umehara
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Coupling
    • Patent number 4,776,616
    • Issue date Oct 11, 1988
    • Usui Kokusai Sangyo Kabushiki Kaisha
    • Kazumasa Umehara
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Apparatus for joining a thin metal pipe to a flange joint
    • Patent number 4,770,447
    • Issue date Sep 13, 1988
    • Usui Kokusai Sangyo Kabushiki Kaisha
    • Kazumasa Umehara
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...