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Masahiro Kawai

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Patents Grantslast 30 patents

  • Information Patent Grant

    Oil pump driving device
    • Patent number 11,204,033
    • Issue date Dec 21, 2021
    • NTN Corporation
    • Masahiro Kawai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Clutch unit
    • Patent number 10,711,851
    • Issue date Jul 14, 2020
    • NTN Corporation
    • Koji Sato
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Oil pump driving device
    • Patent number 10,683,926
    • Issue date Jun 16, 2020
    • NTN Corporation
    • Masahiro Kawai
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Automatic clutch device
    • Patent number 10,670,085
    • Issue date Jun 2, 2020
    • NTN Corporation
    • Takahide Saito
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Clutch unit including an elastic member configured to apply an elas...
    • Patent number 10,625,634
    • Issue date Apr 21, 2020
    • NTN Corporation
    • Koji Sato
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Rotation transmission device
    • Patent number 10,302,156
    • Issue date May 28, 2019
    • NTN Corporation
    • Naotsugu Kitayama
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Clutch unit
    • Patent number 10,233,981
    • Issue date Mar 19, 2019
    • NTN Corporation
    • Koji Sato
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Rotation transmission device
    • Patent number 10,151,357
    • Issue date Dec 11, 2018
    • NTN Corporation
    • Naotsugu Kitayama
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Headrest
    • Patent number 10,144,329
    • Issue date Dec 4, 2018
    • Mazda Motor Corporation
    • Kazuharu Ogawa
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Clutch unit
    • Patent number 9,618,062
    • Issue date Apr 11, 2017
    • NTN Corporation
    • Koji Sato
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Clutch unit
    • Patent number 9,574,623
    • Issue date Feb 21, 2017
    • NTN Corporation
    • Koji Sato
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Clutch unit
    • Patent number 9,541,147
    • Issue date Jan 10, 2017
    • NTN Corporation
    • Kouji Isoda
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Clutch unit
    • Patent number 9,163,686
    • Issue date Oct 20, 2015
    • NTN Corporation
    • Masahiro Kawai
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Clutch unit
    • Patent number 9,074,644
    • Issue date Jul 7, 2015
    • NTN Corporation
    • Koji Sato
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Clutch unit
    • Patent number 8,985,296
    • Issue date Mar 24, 2015
    • NTN Corporation
    • Masahiro Kawai
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Clutch unit
    • Patent number 8,678,155
    • Issue date Mar 25, 2014
    • NTN Corporation
    • Masahiro Kawai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Clutch unit
    • Patent number 8,424,665
    • Issue date Apr 23, 2013
    • NTN Corporation
    • Masahiro Kawai
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Seat having a position adjustment device
    • Patent number 8,132,658
    • Issue date Mar 13, 2012
    • NTN Corporation
    • Masahiro Kawai
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Clutch unit
    • Patent number 8,113,326
    • Issue date Feb 14, 2012
    • NTN Corporation
    • Masahiro Kawai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Reverse input blocking clutch and clutch device using the same
    • Patent number 7,117,710
    • Issue date Oct 10, 2006
    • NTN Corporation
    • Masahiro Kurita
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Clutch unit
    • Patent number 6,955,251
    • Issue date Oct 18, 2005
    • NTN Corporation
    • Masahiro Kurita
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Reverse-input shutoff clutch and rotation drive device
    • Patent number 6,871,735
    • Issue date Mar 29, 2005
    • NTN Corporation
    • Masahiro Kawai
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Reverse input blocking clutch and clutch device using the same
    • Patent number 6,695,118
    • Issue date Feb 24, 2004
    • NTN Corporation
    • Masahiro Kurita
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Clutch unit
    • Patent number 6,530,461
    • Issue date Mar 11, 2003
    • NTN Corporation
    • Masahiro Kurita
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Two-way clutch unit
    • Patent number 6,053,293
    • Issue date Apr 25, 2000
    • NTN Corporation
    • Koji Sato
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Clutch unit for automatically cancelling connection between input s...
    • Patent number 5,915,514
    • Issue date Jun 29, 1999
    • NTN Corporation
    • Hiromi Nojiri
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

  • Information Patent Application

    ELECTRIC OIL PUMP
    • Publication number 20230374993
    • Publication date Nov 23, 2023
    • NTN Corporation
    • Naotsugu KITAYAMA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRIC ACTUATOR
    • Publication number 20210277983
    • Publication date Sep 9, 2021
    • NTN Corporation
    • Takushi MATSUTO
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    LINEAR ELECTRIC ACTUATOR
    • Publication number 20190277373
    • Publication date Sep 12, 2019
    • NTN Corporation
    • Takushi MATSUTO
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CLUTCH UNIT
    • Publication number 20190047444
    • Publication date Feb 14, 2019
    • NTN Corporation
    • Koji SATO
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CLUTCH UNIT
    • Publication number 20190032728
    • Publication date Jan 31, 2019
    • NTN Corporation
    • Koji SATO
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    OIL PUMP DRIVING DEVICE
    • Publication number 20190017588
    • Publication date Jan 17, 2019
    • NTN Corporation
    • Masahiro KAWAI
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    OIL PUMP DRIVING DEVICE
    • Publication number 20180283375
    • Publication date Oct 4, 2018
    • NTN Corporation
    • Masahiro KAWAI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    AUTOMATIC CLUTCH DEVICE
    • Publication number 20180238402
    • Publication date Aug 23, 2018
    • NTN Corporation
    • Takahide SAITO
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    HEADREST
    • Publication number 20180222367
    • Publication date Aug 9, 2018
    • MAZDA MOTOR CORPORATION
    • Kazuharu OGAWA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    AUTOMATIC CLUTCH DEVICE
    • Publication number 20180223917
    • Publication date Aug 9, 2018
    • NTN Corporation
    • Takahide SAITO
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    ROTATION TRANSMISSION DEVICE
    • Publication number 20160186820
    • Publication date Jun 30, 2016
    • NTN Corporation
    • Naotsugu KITAYAMA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    ROTATION TRANSMISSION DEVICE
    • Publication number 20160010702
    • Publication date Jan 14, 2016
    • Naotsugu KITAYAMA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CLUTCH UNIT
    • Publication number 20150300435
    • Publication date Oct 22, 2015
    • NTN Corporation
    • Koji SATO
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    CLUTCH UNIT
    • Publication number 20150240896
    • Publication date Aug 27, 2015
    • NTN Corporation
    • Koji SATO
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    CLUTCH UNIT
    • Publication number 20150240897
    • Publication date Aug 27, 2015
    • NTN Corporation
    • Koji SATO
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    CLUTCH UNIT
    • Publication number 20150240898
    • Publication date Aug 27, 2015
    • NTN Corporation
    • Koji SATO
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    CLUTCH UNIT
    • Publication number 20150096859
    • Publication date Apr 9, 2015
    • NTN Corporation
    • Kouji Isoda
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    CLUTCH UNIT
    • Publication number 20130327609
    • Publication date Dec 12, 2013
    • Masahiro Kawai
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    CLUTCH UNIT
    • Publication number 20120305359
    • Publication date Dec 6, 2012
    • Koji Sato
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    CLUTCH UNIT
    • Publication number 20120279819
    • Publication date Nov 8, 2012
    • Masahiro Kawai
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    CLUTCH UNIT
    • Publication number 20110005881
    • Publication date Jan 13, 2011
    • Masahiro Kawai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Clutch Unit
    • Publication number 20100224461
    • Publication date Sep 9, 2010
    • NTN CORPORATION
    • Masahiro Kawai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CLUTCH UNIT
    • Publication number 20100175962
    • Publication date Jul 15, 2010
    • Masahiro Kawai
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Seat
    • Publication number 20090272613
    • Publication date Nov 5, 2009
    • NTN Corporation
    • Masahiro Kawai
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Clutch unit
    • Publication number 20040099498
    • Publication date May 27, 2004
    • Masahiro Kurita
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Reverse input blocking clutch and clutch device using the same
    • Publication number 20040089049
    • Publication date May 13, 2004
    • NTN Corporation
    • Masahiro Kurita
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Reverse-input shutoff clutch and rotation drive device
    • Publication number 20030000796
    • Publication date Jan 2, 2003
    • Masahiro Kawai
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Reverse input blocking clutch and clutch device using the same
    • Publication number 20020125099
    • Publication date Sep 12, 2002
    • Masahiro Kurita
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Clutch unit
    • Publication number 20020003074
    • Publication date Jan 10, 2002
    • Masahiro Kurita
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...