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Ryoichi Okamoto

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  • Fukuyama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Waste water purification apparatus
    • Patent number 7,972,500
    • Issue date Jul 5, 2011
    • Eiwa Land Environment Co., Ltd
    • Ryoichi Okamoto
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Wastewater purifying apparatus
    • Patent number 6,808,622
    • Issue date Oct 26, 2004
    • Eiwa Country Environment Co., Ltd.
    • Ryoichi Okamoto
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

  • Information Patent Application

    Waste Water Purification Apparatus
    • Publication number 20080314806
    • Publication date Dec 25, 2008
    • EIWA LAND ENVIRONMENT CO., LTD.
    • Ryoichi Okamoto
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Wastewater purifying apparatus
    • Publication number 20030132148
    • Publication date Jul 17, 2003
    • Ryoichi Okamoto
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Dry-distilling/volume reducing device for wastes
    • Publication number 20030098227
    • Publication date May 29, 2003
    • Ryoichi Okamoto
    • B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL