TREA

Norihisa Nakashima

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  • Fukuoka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Silica powder and use thereof
    • Patent number 7,820,750
    • Issue date Oct 26, 2010
    • Denki Kagaku Kogyo Kabushiki Kaisha
    • Shuji Sasaki
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Method for producing inorganic spherical particles
    • Patent number 6,054,073
    • Issue date Apr 25, 2000
    • Denki Kagaku Kogyo Kabushiki Kaisha
    • Akira Kobayashi
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    Silica Powder and Use Thereof
    • Publication number 20080255293
    • Publication date Oct 16, 2008
    • Denki Kagaku Kogyo Kabushiki Kaisha
    • Shuji Sasaki
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES