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Katsu Hirosawa

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  • Hiratsuka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hydraulic excavator
    • Patent number 4,393,607
    • Issue date Jul 19, 1983
    • Kabushiki Kaisha Komatsu Seisakusho
    • Katsu Hirosawa
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Paving material extrusion molding apparatus
    • Patent number 4,159,890
    • Issue date Jul 3, 1979
    • Kabushiki Kaisha Komatsu Seisakusho
    • Koji Ogaki
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Paving material extrusion molding apparatus
    • Patent number 4,145,155
    • Issue date Mar 20, 1979
    • Kabushiki Kaisha Komatsu Seisakusho
    • Koji Ogaki
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES