TREA

Toshihiro Sugawara

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  • Yokohama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Refractory element
    • Patent number 5,390,729
    • Issue date Feb 21, 1995
    • Ishikawajima-Harima Jukogyo Kabushiki Kaisha
    • Akira Sakurai
    • E04 - BUILDING
  • Information Patent Grant

    Refractory element
    • Patent number 5,379,610
    • Issue date Jan 10, 1995
    • Ishikawajima-Harima Jukogyo Kabushiki Kaisha
    • Akira Sakurai
    • E04 - BUILDING
  • Information Patent Grant

    Refractory element
    • Patent number 5,329,785
    • Issue date Jul 19, 1994
    • Ishikawajima-Harima Jukogyo Kabushiki Kaisha
    • Akira Sakurai
    • E04 - BUILDING