TREA

Naoki Ohkuma

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Flat membrane disk
    • Patent number 6,627,080
    • Issue date Sep 30, 2003
    • Hitachi Plant Engineering & Construction Co., Ltd.
    • Makoto Oonishi
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Rotary flat membrane separation apparatus
    • Patent number 6,596,164
    • Issue date Jul 22, 2003
    • Hitachi Plan Engineering & Construction Co., Ltd.
    • Makoto Oonishi
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Flat membrane disk
    • Publication number 20010025814
    • Publication date Oct 4, 2001
    • Hitachi Plant Engineering Consruction Co. LTD.
    • Makoto Oonishi
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Rotary flat membrane separation apparatus
    • Publication number 20010023844
    • Publication date Sep 27, 2001
    • Makoto Oonishi
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL