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Kenji Tamada

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Patents Grantslast 30 patents

  • Information Patent Grant

    Cooling structure for bearing device
    • Patent number 10,280,980
    • Issue date May 7, 2019
    • NTN Corporation
    • Masatsugu Mori
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Cooling structure for bearing device
    • Patent number 9,541,137
    • Issue date Jan 10, 2017
    • NTN Corporation
    • Masatsugu Mori
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Lubricant composition and bearing using same
    • Patent number 9,217,471
    • Issue date Dec 22, 2015
    • NTN Corporation
    • Mika Kohara
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Lubricant composition and bearing using same
    • Patent number 8,188,016
    • Issue date May 29, 2012
    • NTN Corporation
    • Mika Kohara
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Thrust needle bearing
    • Patent number 7,942,586
    • Issue date May 17, 2011
    • NTN Corporation
    • Kenji Tamada
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method of producing a roller thrust bearing having a plurality of r...
    • Patent number 7,707,723
    • Issue date May 4, 2010
    • NTN Corporation
    • Kenji Tamada
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Roller thrust bearing
    • Patent number 7,273,319
    • Issue date Sep 25, 2007
    • NTN Corporation
    • Kenji Tamada
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Roller thrust bearing
    • Patent number 6,843,605
    • Issue date Jan 18, 2005
    • NTN Corporation
    • Kenji Tamada
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Grease-sealed bearing with oxide layers
    • Patent number 5,150,974
    • Issue date Sep 29, 1992
    • NTN Corporation
    • Kenji Tamada
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    COOLING STRUCTURE FOR BEARING DEVICE
    • Publication number 20170051790
    • Publication date Feb 23, 2017
    • NTN Corporation
    • Masatsugu MORI
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    COOLING STRUCTURE FOR BEARING DEVICE
    • Publication number 20150226266
    • Publication date Aug 13, 2015
    • NTN Corporation
    • Masatsugu Mori
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    LUBRICANT COMPOSITION AND BEARING USING SAME
    • Publication number 20120277132
    • Publication date Nov 1, 2012
    • NTN Corporation
    • Mika Kohara
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    RAILWAY VEHICLE DRIVE UNIT
    • Publication number 20110000394
    • Publication date Jan 6, 2011
    • Daisuke Miki
    • B61 - RAILWAYS
  • Information Patent Application

    RAILWAY VEHICLE DRIVE UNIT
    • Publication number 20100319569
    • Publication date Dec 23, 2010
    • Daisuke Miki
    • B61 - RAILWAYS
  • Information Patent Application

    Thrust needle bearing
    • Publication number 20070189653
    • Publication date Aug 16, 2007
    • Kenji Tamada
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Roller thrust bearing
    • Publication number 20060013520
    • Publication date Jan 19, 2006
    • NTN Corporation
    • Kenji Tamada
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Roller thrust bearing
    • Publication number 20050084194
    • Publication date Apr 21, 2005
    • NTN Corporation
    • Kenji Tamada
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Lubricant composition and bearing using same
    • Publication number 20050009713
    • Publication date Jan 13, 2005
    • Mika Kohara
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    Roller thrust bearing
    • Publication number 20030063829
    • Publication date Apr 3, 2003
    • NTN Corporation
    • Kenji Tamada
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...