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Norihiro Kurokawa

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  • Yachiyo-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Outlet port part and vacuum pump
    • Patent number 11,009,044
    • Issue date May 18, 2021
    • Edwards Japan Limited
    • Yoshiyuki Sakaguchi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump and heat insulating spacer used in vacuum pump
    • Patent number 10,495,109
    • Issue date Dec 3, 2019
    • Edwards Japan Limited
    • Yoshiyuki Sakaguchi
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...

Patents Applicationslast 30 patents

  • Information Patent Application

    OUTLET PORT PART AND VACUUM PUMP
    • Publication number 20170108008
    • Publication date Apr 20, 2017
    • EDWARDS JAPAN LIMITED
    • Yoshiyuki Sakaguchi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMP AND HEAT INSULATING SPACER USED IN VACUUM PUMP
    • Publication number 20160348695
    • Publication date Dec 1, 2016
    • EDWARDS JAPAN LIMITED
    • Yoshiyuki Sakaguchi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...