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Katsushi Umezawa

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  • Numazu, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Connecting and fixing method for metallic pipes with small diameter
    • Patent number 5,749,138
    • Issue date May 12, 1998
    • Usui Kokusai Sangyo Kaisha Limited
    • Masayoshi Usui
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Connecting joint for plastic tube
    • Patent number 5,580,100
    • Issue date Dec 3, 1996
    • Usui Kokusai Sangyo Kaisha Ltd.
    • Katsushi Umezawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pipe joint
    • Patent number 5,575,512
    • Issue date Nov 19, 1996
    • Usui Kokusai Sangyo Kaisha Ltd.
    • Katsushi Umezawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Connecting and fixing method for metallic pipes with small diameter
    • Patent number 5,492,376
    • Issue date Feb 20, 1996
    • Usui Kokusai Sangyo Kaisha Ltd.
    • Masayoshi Usui
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Flexible hose joint
    • Patent number 5,437,483
    • Issue date Aug 1, 1995
    • Usui Kokusai Sangyo Kaisha Ltd.
    • Katsushi Umezawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Thin pipe connecting joint
    • Patent number 5,328,216
    • Issue date Jul 12, 1994
    • Usui Kokusai Sangyo Kaisha Ltd.
    • Yuji Miyauchi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Connector for pipes having a small diameter
    • Patent number 5,324,081
    • Issue date Jun 28, 1994
    • Usui Kokusai Sangyo Kaisha Ltd.
    • Katsushi Umezawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Thin resin tube connecting coupling with flanged insert
    • Patent number 5,314,216
    • Issue date May 24, 1994
    • Usui Kokusai Sangyo Kaisha Ltd.
    • Katsushi Umezawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...