TREA

Osami Matsumoto

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  • Hyogo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Refractory for use in casting operations
    • Patent number 5,506,181
    • Issue date Apr 9, 1996
    • Harima Ceramic Co., Ltd.
    • Osami Matsumoto
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Refractory for casting a basic substance
    • Patent number 5,104,833
    • Issue date Apr 14, 1992
    • Harima Ceramic Co. Ltd.
    • Osami Matsumoto
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Alumina-spinal monolithic refractories
    • Patent number 4,990,475
    • Issue date Feb 5, 1991
    • Harima Ceramic Co. Ltd.
    • Osami Matsumoto
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES