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Katsumi Osaka

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  • Tokushima-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Membrane support material
    • Patent number 10,080,995
    • Issue date Sep 25, 2018
    • Awa Paper Mfg. Co., Ltd.
    • Katsumi Osaka
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Air filter
    • Patent number 6,336,947
    • Issue date Jan 8, 2002
    • Toyo Roki Seizo Kabushiki Kaisha
    • Yutaka Atsumi
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    MEMBRANE SUPPORT MATERIAL
    • Publication number 20130295339
    • Publication date Nov 7, 2013
    • Katsumi Osaka
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL