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Takao Wakai

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Anchor for boards and method for manufacturing the same
    • Patent number 6,602,034
    • Issue date Aug 5, 2003
    • Wakai & Co., Ltd.
    • Takao Wakai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method for manufacturing nails
    • Patent number 6,565,447
    • Issue date May 20, 2003
    • Wakai & Co., Ltd.
    • Takao Wakai
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Double wall coupling tool
    • Patent number 6,332,300
    • Issue date Dec 25, 2001
    • Wakai & Co., Ltd.
    • Takao Wakai
    • E04 - BUILDING
  • Information Patent Grant

    Plate-shaped fastener and driving jig for the same
    • Patent number 6,213,373
    • Issue date Apr 10, 2001
    • Wakai & Co., Ltd.
    • Takao Wakai
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Screw fixing plug and combination of the same with a screw
    • Patent number 6,196,778
    • Issue date Mar 6, 2001
    • Wakai & Co., Ltd.
    • Takao Wakai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Threaded anchor
    • Patent number 6,196,780
    • Issue date Mar 6, 2001
    • Wakai & Co., Ltd.
    • Takao Wakai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Plate-shaped fastener
    • Patent number 6,196,506
    • Issue date Mar 6, 2001
    • Wakai & Co., Ltd.
    • Takao Wakai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method of moving heavy materials
    • Patent number 6,119,431
    • Issue date Sep 19, 2000
    • Wakai & Co., Ltd.
    • Takao Wakai
    • E04 - BUILDING
  • Information Patent Grant

    Drill for concrete
    • Patent number D415774
    • Issue date Oct 26, 1999
    • Wakai & Co., Ltd.
    • Takao Wakai
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Screw fixing plug
    • Patent number 5,749,688
    • Issue date May 12, 1998
    • Wakai & Co., Ltd.
    • Takao Wakai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Nail with spreadable legs
    • Patent number 5,700,119
    • Issue date Dec 23, 1997
    • Wakai & Co., Ltd.
    • Takao Wakai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Screw fastener
    • Patent number 5,501,557
    • Issue date Mar 26, 1996
    • Wakai & Co., Ltd.
    • Takao Wakai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Split nail
    • Patent number 5,468,107
    • Issue date Nov 21, 1995
    • Wakai & Co., Ltd.
    • Takao Wakai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Tapping screw
    • Patent number 5,120,172
    • Issue date Jun 9, 1992
    • Wakai & Co., Ltd.
    • Takao Wakai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Thickened tape for holding nails having improved nail-supporting lo...
    • Patent number 5,096,061
    • Issue date Mar 17, 1992
    • Wakai & Co., Ltd.
    • Takao Wakai
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents