TREA

Hiroshi Okada

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  • Aichi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Material for sintering appliance
    • Patent number 6,187,463
    • Issue date Feb 13, 2001
    • Toshiba Ceramics Co., Ltd.
    • Shigeki Niwa
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Calcining tool material and method of fabricating thereof
    • Patent number 6,001,470
    • Issue date Dec 14, 1999
    • Toshiba Ceramics Co., Ltd,
    • Shigeki Niwa
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Material for sintering appliance
    • Patent number 5,972,529
    • Issue date Oct 26, 1999
    • Toshiba Ceramics Co., Ltd.
    • Shigeki Niwa
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Setting member for heating material
    • Patent number 5,804,324
    • Issue date Sep 8, 1998
    • Toshiba Ceramics Co., Ltd.
    • Shigeki Niwa
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES