TREA

Itsuo Tagawa

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Crusher
    • Patent number 5,738,289
    • Issue date Apr 14, 1998
    • Sangojuuki Co., Ltd.
    • Itsuo Tagawa
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Crushing apparatus
    • Patent number 5,636,802
    • Issue date Jun 10, 1997
    • Sangojuuki Co., Ltd.
    • Itsuo Tagawa
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Apparatus for crushing concrete structures
    • Patent number 5,480,100
    • Issue date Jan 2, 1996
    • Tagawakougyou Co., Ltd.
    • Itsuo Tagawa
    • E04 - BUILDING
  • Information Patent Grant

    Working machine
    • Patent number 4,955,961
    • Issue date Sep 11, 1990
    • Tagawakougyou Co. Ltd.
    • Itsuo Tagawa
    • E04 - BUILDING
  • Information Patent Grant

    Steel plate cutter
    • Patent number 4,903,408
    • Issue date Feb 27, 1990
    • Sangojuuki Co., Ltd.
    • Itsuo Tagawa
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Structure crushing equipment
    • Patent number 4,890,798
    • Issue date Jan 2, 1990
    • Sangojuuki Co., Ltd.
    • Itsuo Tagawa
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING