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Yasuhiro Oka

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Self-propelled electric vacuum cleaner
    • Patent number 9,918,600
    • Issue date Mar 20, 2018
    • SHARP KABUSHIKI KAISHA
    • Yasuhiro Oka
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Self-propelled vacuum cleaner
    • Patent number 9,687,127
    • Issue date Jun 27, 2017
    • SHARP KABUSHIKI KAISHA
    • Yasuhiro Oka
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Vacuum cleaner
    • Patent number 7,320,151
    • Issue date Jan 22, 2008
    • Sharp Kabushiki Kaisha
    • Yasuhiro Oka
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Vacuum cleaner
    • Patent number 6,859,975
    • Issue date Mar 1, 2005
    • Sharp Kabushiki Kaisha
    • Hiroshi Ohta
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Vacuum cleaner including ventilation fan for forming air current fl...
    • Patent number 6,079,079
    • Issue date Jun 27, 2000
    • Sharp Kabushiki Kaisha
    • Yasuhiro Oka
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Electric vacuum cleaner
    • Patent number 6,032,327
    • Issue date Mar 7, 2000
    • Sharp Kabushiki Kaisha
    • Yasuhiro Oka
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Electric vacuum cleaner
    • Patent number 5,699,585
    • Issue date Dec 23, 1997
    • Sharp Kabushiki Kaisha
    • Yutaka Tomooka
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

  • Information Patent Application

    EXTENSION TUBE FOR ELECTRIC VACUUM CLEANER
    • Publication number 20210093141
    • Publication date Apr 1, 2021
    • SHARP KABUSHIKI KAISHA
    • YASUHIRO OKA
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    EXTENSION TUBE FOR ELECTRIC VACUUM CLEANER
    • Publication number 20190208974
    • Publication date Jul 11, 2019
    • SHARP KABUSHIKI KAISHA
    • YASUHIRO OKA
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    SELF-PROPELLED VACUUM CLEANER
    • Publication number 20160206161
    • Publication date Jul 21, 2016
    • Sharp Kabushiki Kaisha
    • Yasuhiro OKA
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    SELF-PROPELLED ELECTRIC VACUUM CLEANER
    • Publication number 20160206164
    • Publication date Jul 21, 2016
    • Sharp Kabushiki Kaisha
    • Yasuhiro OKA
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    SELF-PROPELLED VACUUM CLEANER
    • Publication number 20160198913
    • Publication date Jul 14, 2016
    • Sharp Kabushiki Kaisha
    • Yasuhiro OKA
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    CLEANING ROBOT
    • Publication number 20140201941
    • Publication date Jul 24, 2014
    • Sharp Kabushiki Kaisha
    • Yasuhiro Oka
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Vacuum cleaner
    • Publication number 20070113373
    • Publication date May 24, 2007
    • SHARP KABUSHIKI KAISHA
    • Shigenori Hato
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Electric cleaner
    • Publication number 20060130267
    • Publication date Jun 22, 2006
    • Yasuhiro Oka
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Vacuum cleaner
    • Publication number 20060010640
    • Publication date Jan 19, 2006
    • Yasuhiro Oka
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Suction cleaner
    • Publication number 20050060839
    • Publication date Mar 24, 2005
    • Noboru Nishinaka
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Vacuum cleaner
    • Publication number 20020133901
    • Publication date Sep 26, 2002
    • Hiroshi Ohta
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...