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Kazuhide Okawa

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  • Yawata-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Track link production method and track link produced by the same
    • Patent number 7,040,080
    • Issue date May 9, 2006
    • Komatsu Ltd.
    • Kazuhide Okawa
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Bucket tooth
    • Patent number 6,865,829
    • Issue date Mar 15, 2005
    • Komatsu Ltd.
    • Masaharu Amano
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Method of manufacturing a bucket tooth
    • Patent number 6,647,648
    • Issue date Nov 18, 2003
    • Komatsu Ltd.
    • Masaharu Amano
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Cutting edge
    • Patent number 6,571,493
    • Issue date Jun 3, 2003
    • Komatsu Ltd.
    • Masaharu Amano
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Industrial waste crushing bit
    • Patent number 6,454,195
    • Issue date Sep 24, 2002
    • Komatsu Ltd.
    • Masaharu Amano
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...

Patents Applicationslast 30 patents