TREA

Toshihiro Sato

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  • Kawaguchi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Spring members
    • Patent number 5,678,809
    • Issue date Oct 21, 1997
    • Across Co., Ltd.
    • Takao Nakagawa
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Process of making a spring member
    • Patent number 5,503,783
    • Issue date Apr 2, 1996
    • Across Co., Ltd.
    • Takao Nakagawa
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES