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Kazumoto Nakagawa

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Composition for optical material
    • Patent number 6,960,640
    • Issue date Nov 1, 2005
    • Mitsubishi Gas Chemical Co., LTD.
    • Yuichi Yoshimura
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Oxygen absorbent composition
    • Patent number 6,039,892
    • Issue date Mar 21, 2000
    • Mitsubishi Gas Chemical Company, Inc.
    • Tomoharu Himeshima
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Oxygen absorption composition
    • Patent number 6,004,477
    • Issue date Dec 21, 1999
    • Mitsubishi Gas Chemical Company, Inc.
    • Kazumoto Nakagawa
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES

Patents Applicationslast 30 patents