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Hojun Kogyo Co., Ltd.

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  • Annaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of activation of clay and activated clay
    • Patent number 5,573,583
    • Issue date Nov 12, 1996
    • Hojun Kogyo Co., Ltd.
    • Mitsuji Kondo
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Readily dispersible bentonite
    • Patent number 5,491,248
    • Issue date Feb 13, 1996
    • Hojun Kogyo Co., Ltd.
    • Mitsuji Kondo
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Modified bentonite
    • Patent number 5,292,908
    • Issue date Mar 8, 1994
    • Hojun Kogyo Co., Ltd.
    • Masanobu Onikata
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

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