TREA

Syoji Okada

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  • Yokohama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Wear-resistant member
    • Patent number 5,178,647
    • Issue date Jan 12, 1993
    • Kabushiki Kaisha Toshiba
    • Michiyasu Komatsu
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Cylinder liner for an internal combustion engine
    • Patent number 4,419,971
    • Issue date Dec 13, 1983
    • Tokyo Shibaura Denki Kabushiki Kaisha
    • Kiyoshi Nakamura
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Prechamber cup for an internal combustion engine
    • Patent number 4,325,334
    • Issue date Apr 20, 1982
    • Tokyo Shibaura Denki Kabushiki Kaisha
    • Katsutoshi Nishida
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES