TREA

Toshio Nishizaki

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  • Urawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Noise insulating material
    • Patent number 5,064,890
    • Issue date Nov 12, 1991
    • Tatsuta Electric Wire and Cable Co., Ltd.
    • Hidekazu Tsurumaru
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Filler for noise insulating material and noise insulating material...
    • Patent number 4,814,018
    • Issue date Mar 21, 1989
    • Tatsuta Electric Wire and Cable Co., Ltd.
    • Hidekazu Tsurumaru
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...