TREA

Kazuhiko Fukushima

Follow

Person

  • Kyoto, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Motor and fan motor
    • Patent number 11,682,933
    • Issue date Jun 20, 2023
    • Nidec Corporation
    • Kazuhiko Fukushima
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gas dynamic bearing, motor, and blower apparatus
    • Patent number 11,136,988
    • Issue date Oct 5, 2021
    • Nidec Corporation
    • Kazuhiko Fukushima
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Gas dynamic pressure bearing, motor, and blower
    • Patent number 10,962,018
    • Issue date Mar 30, 2021
    • Nidec Corporation
    • Kazuhiko Fukushima
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Centrifugal fan
    • Patent number 10,962,017
    • Issue date Mar 30, 2021
    • Nidec Corporation
    • Tomoyuki Tsukamoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Motor and disk drive apparatus
    • Patent number 10,559,998
    • Issue date Feb 11, 2020
    • Nidec Corporation
    • Yoichi Sekii
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Cooling apparatus
    • Patent number 10,161,405
    • Issue date Dec 25, 2018
    • Nidec Corporation
    • Takehito Tamaoka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fan
    • Patent number 10,072,672
    • Issue date Sep 11, 2018
    • Nidec Corporation
    • Takehito Tamaoka
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Fan
    • Patent number 10,047,755
    • Issue date Aug 14, 2018
    • Nidec Corporation
    • Takehito Tamaoka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Heat module
    • Patent number 10,030,671
    • Issue date Jul 24, 2018
    • Nidec Corporation
    • Takehito Tamaoka
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Heat module
    • Patent number 9,909,813
    • Issue date Mar 6, 2018
    • Nidec Corporation
    • Takehito Tamaoka
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Motor and disk drive apparatus
    • Patent number 9,837,872
    • Issue date Dec 5, 2017
    • Nidec Corporation
    • Yoichi Sekii
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Blower fan
    • Patent number 9,599,122
    • Issue date Mar 21, 2017
    • Nidec Corporation
    • Takehito Tamaoka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Blower fan
    • Patent number 9,599,123
    • Issue date Mar 21, 2017
    • Nidec Corporation
    • Takehito Tamaoka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fan
    • Patent number 9,523,373
    • Issue date Dec 20, 2016
    • Nidec Corporation
    • Takehito Tamaoka
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Bearing mechanism, motor, and blower fan
    • Patent number 9,429,165
    • Issue date Aug 30, 2016
    • Nidec Corporation
    • Takehito Tamaoka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Blower fan
    • Patent number 9,388,827
    • Issue date Jul 12, 2016
    • Nidec Corporation
    • Takehito Tamaoka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Bearing apparatus, motor, and blower fan
    • Patent number 9,366,263
    • Issue date Jun 14, 2016
    • Nidec Corporation
    • Takehito Tamaoka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Fan
    • Patent number 9,360,019
    • Issue date Jun 7, 2016
    • Nidec Corporation
    • Takehito Tamaoka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Sleeve, fluid dynamic pressure bearing including the sleeve, spindl...
    • Patent number 9,341,214
    • Issue date May 17, 2016
    • Nidec Corporation
    • Takehito Tamaoka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Motor and fan
    • Patent number 9,316,229
    • Issue date Apr 19, 2016
    • Nidec Corporation
    • Takehito Tamaoka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fan bearing system having a fluid reservoir
    • Patent number 9,051,938
    • Issue date Jun 9, 2015
    • Nidec Corporation
    • Teiichi Hirono
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Motor and disk drive apparatus
    • Patent number 8,879,204
    • Issue date Nov 4, 2014
    • Nidec Corporation
    • Yoichi Sekii
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Motor and disk drive apparatus
    • Patent number 8,754,554
    • Issue date Jun 17, 2014
    • Nidec Corporation
    • Takehito Tamaoka
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Motor and disk drive apparatus
    • Patent number 8,582,233
    • Issue date Nov 12, 2013
    • Nidec Corporation
    • Kazuhiko Fukushima
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Spindle motor having connecting mechanism connecting lead wire and...
    • Patent number 8,416,524
    • Issue date Apr 9, 2013
    • Nidec Corporation
    • Masayoshi Saichi
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Rotor unit, bearing mechanism, motor, and data storage disk drive d...
    • Patent number 7,667,360
    • Issue date Feb 23, 2010
    • Nidec Corporation
    • Kazuhiko Fukushima
    • G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

  • Information Patent Application

    GAS DYNAMIC PRESSURE BEARING, MOTOR, AND FAN MOTOR
    • Publication number 20200309191
    • Publication date Oct 1, 2020
    • NIDEC CORPORATION
    • Kazuhiko Fukushima
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    GAS DYNAMIC PRESSURE BEARING, MOTOR, AND BLOWER
    • Publication number 20200309139
    • Publication date Oct 1, 2020
    • NIDEC CORPORATION
    • Kazuhiko Fukushima
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GAS DYNAMIC BEARING, MOTOR, AND BLOWER APPARATUS
    • Publication number 20200309140
    • Publication date Oct 1, 2020
    • NIDEC CORPORATION
    • Kazuhiko Fukushima
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MOTOR AND FAN MOTOR
    • Publication number 20200177035
    • Publication date Jun 4, 2020
    • NIDEC CORPORATION
    • Kazuhiko FUKUSHIMA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CENTRIFUGAL FAN
    • Publication number 20190264696
    • Publication date Aug 29, 2019
    • NIDEC CORPORATION
    • Tomoyuki TSUKAMOTO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CENTRIFUGAL FAN
    • Publication number 20190264697
    • Publication date Aug 29, 2019
    • NIDEC CORPORATION
    • Tomoyuki TSUKAMOTO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CENTRIFUGAL FAN
    • Publication number 20190264694
    • Publication date Aug 29, 2019
    • NIDEC CORPORATION
    • Tomoyuki TSUKAMOTO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CENTRIFUGAL FAN
    • Publication number 20190264695
    • Publication date Aug 29, 2019
    • NIDEC CORPORATION
    • Tomoyuki TSUKAMOTO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    AIR BLOWER
    • Publication number 20190230814
    • Publication date Jul 25, 2019
    • NIDEC CORPORATION
    • Koji HATANAKA
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    AIR BLOWER
    • Publication number 20190195236
    • Publication date Jun 27, 2019
    • NIDEC CORPORATION
    • Tomoyuki TSUKAMOTO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    BEARING MECHANISM AND BLOWER FAN
    • Publication number 20180335043
    • Publication date Nov 22, 2018
    • NIDEC CORPORATION
    • Takehito Tamaoka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    MOTOR AND DISK DRIVE APPARATUS
    • Publication number 20180048208
    • Publication date Feb 15, 2018
    • NIDEC CORPORATION
    • Yoichi SEKII
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    FAN
    • Publication number 20170023019
    • Publication date Jan 26, 2017
    • NIDEC CORPORATION
    • Takehito Tamaoka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HEAT MODULE
    • Publication number 20160003261
    • Publication date Jan 7, 2016
    • NIDEC CORPORATION
    • Takehito Tamaoka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HEAT MODULE
    • Publication number 20150362258
    • Publication date Dec 17, 2015
    • NIDEC CORPORATION
    • Takehito Tamaoka
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    FAN
    • Publication number 20150198176
    • Publication date Jul 16, 2015
    • NIDEC CORPORATION
    • Takehito Tamaoka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FAN
    • Publication number 20150198166
    • Publication date Jul 16, 2015
    • NIDEC CORPORATION
    • Takehito Tamaoka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FAN
    • Publication number 20150176587
    • Publication date Jun 25, 2015
    • NIDEC CORPORATION
    • Takehito Tamaoka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MOTOR AND DISK DRIVE APPARATUS
    • Publication number 20150108861
    • Publication date Apr 23, 2015
    • NIDEC CORPORATION
    • Yoichi SEKII
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    COOLING APPARATUS
    • Publication number 20150110649
    • Publication date Apr 23, 2015
    • NIDEC CORPORATION
    • Takehito Tamaoka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SLEEVE, FLUID DYNAMIC PRESSURE BEARING INCLUDING THE SLEEVE, SPINDL...
    • Publication number 20150030268
    • Publication date Jan 29, 2015
    • NIDEC CORPORATION
    • Takehito Tamaoka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    BEARING MECHANISM, MOTOR, AND BLOWER FAN
    • Publication number 20150010411
    • Publication date Jan 8, 2015
    • NIDEC CORPORATION
    • Takehito Tamaoka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    BEARING MECHANISM AND BLOWER FAN
    • Publication number 20140369839
    • Publication date Dec 18, 2014
    • NIDEC CORPORATION
    • Takehito Tamaoka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    BLOWER FAN
    • Publication number 20140219834
    • Publication date Aug 7, 2014
    • Takehito Tamaoka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    BLOWER FAN
    • Publication number 20140212303
    • Publication date Jul 31, 2014
    • Takehito Tamaoka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    BEARING APPARATUS, MOTOR, AND BLOWER FAN
    • Publication number 20140199189
    • Publication date Jul 17, 2014
    • Takehito Tamaoka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    BLOWER FAN
    • Publication number 20140178186
    • Publication date Jun 26, 2014
    • NIDEC CORPORATION
    • Takehito Tamaoka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    BLOWER FAN
    • Publication number 20140178194
    • Publication date Jun 26, 2014
    • NIDEC CORPORATION
    • Takehito Tamaoka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MOTOR AND FAN
    • Publication number 20130323093
    • Publication date Dec 5, 2013
    • NIDEC CORPORATION
    • Takehito Tamaoka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MOTOR AND DISK DRIVE APPARATUS
    • Publication number 20130300234
    • Publication date Nov 14, 2013
    • Yoichi SEKII
    • G11 - INFORMATION STORAGE