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Takehiko Yazawa

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  • Suwa-gun, Nagano, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pump device
    • Patent number 11,982,278
    • Issue date May 14, 2024
    • NIDEC SANKYO CORPORATION
    • Takashi Yamamoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Motor and pump system
    • Patent number 11,876,420
    • Issue date Jan 16, 2024
    • NIDEC SANKYO CORPORATION
    • Takashi Yamamoto
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Drive device with abnormality detection mechanism and damper device
    • Patent number 11,215,390
    • Issue date Jan 4, 2022
    • NIDEC SANKYO CORPORATION
    • Satoru Yokoe
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Rotation transmission mechanism and damper device
    • Patent number 11,199,040
    • Issue date Dec 14, 2021
    • NIDEC SANKYO CORPORATION
    • Takehiko Yazawa
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Damper device
    • Patent number 11,022,362
    • Issue date Jun 1, 2021
    • NIDEC SANKYO CORPORATION
    • Takehiko Yazawa
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Valve drive device
    • Patent number 10,900,578
    • Issue date Jan 26, 2021
    • NIDEC SANKYO CORPORATION
    • Satoru Yokoe
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Switch mechanism, geared motor and damper device
    • Patent number 10,876,781
    • Issue date Dec 29, 2020
    • NIDEC SANKYO CORPORATION
    • Takehiko Yazawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Rotation transmission mechanism and damper device
    • Patent number 10,677,333
    • Issue date Jun 9, 2020
    • NIDEC SANKYO CORPORATION
    • Satoru Yokoe
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Motor having a dynamic pressure bearing apparatus and a manufacturi...
    • Patent number 6,614,139
    • Issue date Sep 2, 2003
    • Sankyo Seiki Mfg. Co., Ltd.
    • Masayoshi Saichi
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Method of producing fluid bearing device
    • Patent number 6,378,209
    • Issue date Apr 30, 2002
    • Kabushiki Kaisha Sankyo Seiki Seisakusho
    • Masato Gomyo
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Spindle motor
    • Patent number 6,375,357
    • Issue date Apr 23, 2002
    • Kabushiki Kaisha Sankyo Seiki Seisakusho
    • Kazushi Miura
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Spindle motor
    • Patent number 6,343,877
    • Issue date Feb 5, 2002
    • Kabushiki Kaisha Sankyo Seiki Seisakusho
    • Kazushi Miura
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Hydrodynamic bearing and method of manufacturing the same
    • Patent number 6,341,896
    • Issue date Jan 29, 2002
    • Kabushiki Kaisha Sankyo Seiki Seisakusho
    • Kazushi Miura
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sintered oil-impregnated bearing, manufacturing method thereof, and...
    • Patent number 5,980,819
    • Issue date Nov 9, 1999
    • Kabushiki Kaisha Sankyo Seiki Seisakusho
    • Hisaya Nakagawa
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

  • Information Patent Application

    FIXING STRUCTURE OF CIRCUIT BOARD AND PUMP DEVICE
    • Publication number 20240276667
    • Publication date Aug 15, 2024
    • NIDEC INSTRUMENTS CORPORATION
    • Takehiko YAZAWA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP DEVICE AND METHOD OF MANUFACTURING THE SAME
    • Publication number 20240175439
    • Publication date May 30, 2024
    • NIDEC INSTRUMENTS CORPORATION
    • Takehiko YAZAWA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP DEVICE
    • Publication number 20240110568
    • Publication date Apr 4, 2024
    • NIDEC INSTRUMENTS CORPORATION
    • Takehiko YAZAWA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MOTOR AND PUMP SYSTEM
    • Publication number 20240106293
    • Publication date Mar 28, 2024
    • NIDEC SANKYO CORPORATION
    • Takashi YAMAMOTO
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    PUMP DEVICE
    • Publication number 20220381248
    • Publication date Dec 1, 2022
    • NIDEC SANKYO CORPORATION
    • Takashi YAMAMOTO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MOTOR AND PUMP SYSTEM
    • Publication number 20220209608
    • Publication date Jun 30, 2022
    • NIDEC SANKYO CORPORATION
    • Takashi YAMAMOTO
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    VALVE DRIVE DEVICE
    • Publication number 20200018415
    • Publication date Jan 16, 2020
    • NIDEC SANKYO CORPORATION
    • Satoru YOKOE
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    DRIVE DEVICE WITH ABNORMALITY DETECTION MECHANISM AND DAMPER DEVICE
    • Publication number 20190293337
    • Publication date Sep 26, 2019
    • NIDEC SANKYO CORPORATION
    • Satoru YOKOE
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    ROTATION TRANSMISSION MECHANISM AND DAMPER DEVICE
    • Publication number 20190093409
    • Publication date Mar 28, 2019
    • NIDEC SANKYO CORPORATION
    • Takehiko YAZAWA
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    DAMPER DEVICE
    • Publication number 20180340725
    • Publication date Nov 29, 2018
    • NIDEC SANKYO CORPORATION
    • Takehiko YAZAWA
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    SWITCH MECHANISM, GEARED MOTOR AND DAMPER DEVICE
    • Publication number 20180340724
    • Publication date Nov 29, 2018
    • NIDEC SANKYO CORPORATION
    • Takehiko YAZAWA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    ROTATION TRANSMISSION MECHANISM AND DAMPER DEVICE
    • Publication number 20180172125
    • Publication date Jun 21, 2018
    • NIDEC SANKYO CORPORATION
    • Satoru YOKOE
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CLUTCH DEVICE FOR WASHING MACHINE AND WASHING MACHINE
    • Publication number 20170145611
    • Publication date May 25, 2017
    • NIDEC SANKYO CORPORATION
    • Takehiko Yazawa
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Application

    Motor having a dynamic pressure bearing apparatus and a manufacturi...
    • Publication number 20020047396
    • Publication date Apr 25, 2002
    • Masayoshi Saichi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Spindle motor
    • Publication number 20020012483
    • Publication date Jan 31, 2002
    • KABUSHIKI KAISHA SANKYO SEIKI SEISAKUSHO
    • Kazushi Miura
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...