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Naofumi KAWAMURA

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  • Kishiwada-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Shaft coupling
    • Patent number 11,624,408
    • Issue date Apr 11, 2023
    • JTEKT Corporation
    • Naofumi Kawamura
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Worm reducer and method for manufacturing worm reducer
    • Patent number 11,441,665
    • Issue date Sep 13, 2022
    • JTEKT CORPORATION
    • Naofumi Kawamura
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Worm reducer
    • Patent number 10,883,594
    • Issue date Jan 5, 2021
    • JTEKT Corporation
    • Hirofumi Ueda
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Worm reducer and electric power steering system
    • Patent number 10,661,822
    • Issue date May 26, 2020
    • JTEKT Corporation
    • Naofumi Kawamura
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Worm reduction gear and steering mechanism
    • Patent number 9,902,421
    • Issue date Feb 27, 2018
    • JTEKT Corporation
    • Naofumi Kawamura
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Electric power steering system
    • Patent number 9,580,101
    • Issue date Feb 28, 2017
    • JTEKT Corporation
    • Naofumi Kawamura
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

  • Information Patent Application

    STEERING DEVICE
    • Publication number 20250091638
    • Publication date Mar 20, 2025
    • JTEKT CORPORATION
    • Yu MYOHOJI
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    STEERING DEVICE
    • Publication number 20240286666
    • Publication date Aug 29, 2024
    • JTEKT CORPORATION
    • Naofumi KAWAMURA
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    STEERING DEVICE
    • Publication number 20240286665
    • Publication date Aug 29, 2024
    • JTEKT CORPORATION
    • Naofumi KAWAMURA
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    STEERING COLUMN DEVICE
    • Publication number 20240286667
    • Publication date Aug 29, 2024
    • JTEKT CORPORATION
    • Naofumi KAWAMURA
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    STEERING DEVICE
    • Publication number 20240286670
    • Publication date Aug 29, 2024
    • JTEKT CORPORATION
    • Hiroaki SUZUKI
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    GEAR AND STEERING DEVICE
    • Publication number 20240271689
    • Publication date Aug 15, 2024
    • JTEKT CORPORATION
    • Naofumi KAWAMURA
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    SHAFT COUPLING
    • Publication number 20210262529
    • Publication date Aug 26, 2021
    • JTEKT Corporation
    • Naofumi KAWAMURA
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    WORM REDUCER AND METHOD FOR MANUFACTURING WORM REDUCER
    • Publication number 20210131549
    • Publication date May 6, 2021
    • JTEKT Corporation
    • Naofumi KAWAMURA
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    WORM REDUCER
    • Publication number 20190040945
    • Publication date Feb 7, 2019
    • JTEKT Corporation
    • Hirofumi UEDA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    WORM REDUCER AND ELECTRIC POWER STEERING SYSTEM
    • Publication number 20180304915
    • Publication date Oct 25, 2018
    • JTEKT Corporation
    • Naofumi KAWAMURA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    METHOD FOR MANUFACTURING WORM REDUCER, WORM REDUCER, AND ELECTRIC P...
    • Publication number 20180266542
    • Publication date Sep 20, 2018
    • JTEKT Corporation
    • Naofumi KAWAMURA
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    SHAFT COUPLING STRUCTURE AND ELECTRIC POWER STEERING SYSTEM
    • Publication number 20170036691
    • Publication date Feb 9, 2017
    • JTEKT Corporation
    • Arata KIKUCHI
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    WORM REDUCTION GEAR AND STEERING SYSTEM
    • Publication number 20160319906
    • Publication date Nov 3, 2016
    • JTEKT Corporation
    • Naofumi KAWAMURA
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    WORM REDUCTION GEAR AND STEERING MECHANISM
    • Publication number 20160318544
    • Publication date Nov 3, 2016
    • JTEKT Corporation
    • Naofumi KAWAMURA
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    ELECTRIC POWER STEERING SYSTEM
    • Publication number 20160009313
    • Publication date Jan 14, 2016
    • JTEKT Corporation
    • Naofumi KAWAMURA
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS