TREA

Fumio Hattori

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  • Ichinomiya, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ceramicm port liners
    • Patent number 5,260,116
    • Issue date Nov 9, 1993
    • NGK Insulators, Ltd.
    • Toshiyuki Hamanaka
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Ceramic materials to be insert-cast
    • Patent number 5,055,435
    • Issue date Oct 8, 1991
    • NGK Insulators, Ltd.
    • Toshiyuki Hamanaka
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Process for producing hollow ceramic articles
    • Patent number 5,013,500
    • Issue date May 7, 1991
    • NGK Insulators, Ltd.
    • Toshiyuki Hamanaka
    • B28 - WORKING CEMENT, CLAY, OR STONE