TREA

Shunji Kawasaki

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  • Asaba-cho, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for producing Mn-Zn ferrite
    • Patent number 6,403,017
    • Issue date Jun 11, 2002
    • Minebea Co., Ltd.
    • Osamu Kobayashi
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Process for producing Mn-Zn ferrite
    • Patent number 6,296,791
    • Issue date Oct 2, 2001
    • Minebea Co., Ltd.
    • Osamu Kobayashi
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Mn-Zn ferrite
    • Patent number 6,210,598
    • Issue date Apr 3, 2001
    • Minebea Co., Ltd.
    • Osamu Kobayashi
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Mn-Zn ferrite
    • Patent number 6,180,022
    • Issue date Jan 30, 2001
    • Minebea Co., Ltd.
    • Osamu Kobayashi
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES