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Masakazu Tagawa

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  • Iwakuni-shi, Yamaguchi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Oxygen concentration apparatus
    • Patent number 7,179,326
    • Issue date Feb 20, 2007
    • Teijin Limited
    • Hitoshi Nakamura
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

  • Information Patent Application

    Oxygen enricher
    • Publication number 20050204923
    • Publication date Sep 22, 2005
    • Hitoshi Nakamura
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE