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Yuichi Fujii

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Oxygen indicator
    • Patent number 4,169,811
    • Issue date Oct 2, 1979
    • Mitsubishi Gas Chemical Co., Inc.
    • Yoshio Yoshikawa
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Coated granules of polyacrylic alkali metal salts and method of pro...
    • Patent number 4,150,110
    • Issue date Apr 17, 1979
    • Nippon Kayaku Kabushiki Kaisha
    • Koichi Yoshida
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents