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Kazuo Karakawa

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Patents Grantslast 30 patents

  • Information Patent Grant

    Protective cylinder for pipe covering material
    • Patent number 4,846,512
    • Issue date Jul 11, 1989
    • Yamato Kogyo Kabushiki Kaisha
    • Kazuo Karakawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Elbow cover for an elbow in pipework
    • Patent number 4,838,318
    • Issue date Jun 13, 1989
    • Yamato Kogyo Kabushiki Kaisha
    • Kazuo Karakawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Plastics cover for piping
    • Patent number 4,830,061
    • Issue date May 16, 1989
    • Yamato Kogyo Kabushiki Kaisha
    • Kazuo Karakawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...