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Masamichi Iwaki

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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for smoothing a perfluoro alkoxy alkane film surface
    • Patent number 9,957,406
    • Issue date May 1, 2018
    • Tohoku University
    • Masamichi Iwaki
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Sealing material
    • Patent number 9,587,744
    • Issue date Mar 7, 2017
    • Nippon Valqua Industries, Ltd.
    • Nobuhiro Yoshida
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Metal gasket
    • Patent number 8,807,573
    • Issue date Aug 19, 2014
    • TOHOKU UNIVERSITY
    • Tadahiro Ohmi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    SEALING MATERIAL
    • Publication number 20160258533
    • Publication date Sep 8, 2016
    • NIPPON VALQUA INDUSTRIES, LTD.
    • Nobuhiro YOSHIDA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    METHOD FOR SMOOTHING A PERFLUORO ALKOXY ALKANE FILM SURFACE
    • Publication number 20150225593
    • Publication date Aug 13, 2015
    • TOHOKU UNIVERSITY
    • Masamichi Iwaki
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Application

    GAS EXHAUST PUMP SYSTEM AND GAS EXHAUST METHOD
    • Publication number 20140193283
    • Publication date Jul 10, 2014
    • TOHOKU UNIVERSITY
    • Kenji Ohyama
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTATION MECHANISM FOR GAS EXHAUST PUMP, MANUFACTURING METHOD OF TH...
    • Publication number 20140186162
    • Publication date Jul 3, 2014
    • TOHOKU UNIVERSITY
    • Masamichi Iwaki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    STATOR FOR GAS EXHAUST PUMP, METHOD FOR MANUFACTURING THE SAME, PUM...
    • Publication number 20140161600
    • Publication date Jun 12, 2014
    • TOHOKU UNIVERSITY
    • Masamichi Iwaki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCREW ROTOR FOR EXHAUST PUMP, METHOD FOR MANUFACTURING THE SAME, GA...
    • Publication number 20140127031
    • Publication date May 8, 2014
    • TOHOKU UNIVERSITY
    • Masamichi Iwaki
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Application

    Metal Gasket
    • Publication number 20130300070
    • Publication date Nov 14, 2013
    • NIPPON VALQUA INDUSTRIES, LTD.
    • Tadahiro Ohmi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...