Isao Ozawa

Person

  • Osaka-shi, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Ballast water treatment system for ship

    • Patent number 9,688,376
    • Issue date Jun 27, 2017
    • Sumitomo Electric Industries, Ltd.
    • Munetsugu Ueyama
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents