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Kazuyuki Yamamoto

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  • Matsudo City, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Speed reducer-equipped motor unit
    • Patent number 12,072,017
    • Issue date Aug 27, 2024
    • Mabuchi Motor Co., Ltd.
    • Kazuyuki Yamamoto
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Bearing unit and speed reducer-equipped motor
    • Patent number 11,892,071
    • Issue date Feb 6, 2024
    • Mabuchi Motor Co., Ltd.
    • Kazuyuki Yamamoto
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Sensor magnet of motor having a fixing portion to press-fit to a sh...
    • Patent number 11,277,057
    • Issue date Mar 15, 2022
    • Mabuchi Motor Co., Ltd.
    • Kazuyuki Yamamoto
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Sensor magnet holder, magnet fixing structure, and motor
    • Patent number 10,560,004
    • Issue date Feb 11, 2020
    • Mabuchi Motor Co., Ltd.
    • Kazuyuki Yamamoto
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Motor apparatus
    • Patent number 10,447,118
    • Issue date Oct 15, 2019
    • Mabuchi Motor Co., Ltd.
    • Kazuyuki Yamamoto
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Worm gear
    • Patent number 9,618,082
    • Issue date Apr 11, 2017
    • Mabuchi Motor Co., Ltd.
    • Kiyoto Itou
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Worm wheel, reducer, and motor with the reducer
    • Patent number 9,222,547
    • Issue date Dec 29, 2015
    • Mabuchi Motor Co., Ltd.
    • Eiji Uenishi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method of manufacturing a gear unit of a motor
    • Patent number 7,954,226
    • Issue date Jun 7, 2011
    • Mabuchi Motor Co., Ltd.
    • Takeshi Okumura
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Gear unit of small motor
    • Patent number 7,640,827
    • Issue date Jan 5, 2010
    • Mabuchi Motor Co., Ltd.
    • Takeshi Okumura
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Small-sized motor equipped with worm gear reducer and method of man...
    • Patent number 6,215,209
    • Issue date Apr 10, 2001
    • Mabuchi Motor Co., Ltd.
    • Kazuyuki Yamamoto
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    SLIDING SURFACE SEALING STRUCTURE, GEAR BOX, AND MOTOR UNIT
    • Publication number 20250116326
    • Publication date Apr 10, 2025
    • MABUCHI MOTOR CO., LTD.
    • Kazuyuki YAMAMOTO
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SPEED REDUCER-EQUIPPED MOTOR UNIT
    • Publication number 20240167560
    • Publication date May 23, 2024
    • MABUCHI MOTOR CO., LTD.
    • Kazuyuki YAMAMOTO
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    BBEARING UNIT AND SPEED REDUCER-EQUIPPED MOTOR
    • Publication number 20230383834
    • Publication date Nov 30, 2023
    • MABUCHI MOTOR CO., LTD.
    • Kazuyuki YAMAMOTO
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    SENSOR MAGNET AND MOTOR
    • Publication number 20190044417
    • Publication date Feb 7, 2019
    • MABUCHI MOTOR CO., LTD.
    • Kazuyuki YAMAMOTO
    • G01 - MEASURING TESTING
  • Information Patent Application

    MOTOR APPARATUS
    • Publication number 20180026497
    • Publication date Jan 25, 2018
    • MABUCHI MOTOR CO., LTD.
    • Kazuyuki Yamamoto
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    SENSOR MAGNET HOLDER, MAGNET FIXING STRUCTURE, AND MOTOR
    • Publication number 20170346372
    • Publication date Nov 30, 2017
    • MABUCHI MOTOR CO., LTD.
    • Kazuyuki Yamamoto
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    WORM GEAR
    • Publication number 20140165760
    • Publication date Jun 19, 2014
    • MABUCHI MOTOR CO., LTD.
    • Kiyoto Itou
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    WORM WHEEL, REDUCER, AND MOTOR WITH THE REDUCER
    • Publication number 20130000435
    • Publication date Jan 3, 2013
    • MABUCHI MOTOR CO. LTD.
    • Eiji Uenishi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    GEAR UNIT OF SMALL MOTOR
    • Publication number 20080286062
    • Publication date Nov 20, 2008
    • MABUCHI MOTOR CO., LTD.
    • Takeshi OKUMURA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Gear unit of small motor
    • Publication number 20050115349
    • Publication date Jun 2, 2005
    • Takeshi Okumura
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...