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Katsutoshi YOSHINAGA

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  • Nagasaki-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for purification of water area
    • Patent number 6,444,176
    • Issue date Sep 3, 2002
    • Marine Techno Research, Inc.
    • Katsutoshi Yoshinaga
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

  • Information Patent Application

    BLOWER AND VENTILATION SYSTEM
    • Publication number 20140227954
    • Publication date Aug 14, 2014
    • TOKYO METROPOLITAN SEWERAGE SERVICE CORPORATION
    • Keiichi SONE
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...