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Nam Jin Choi

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  • Jeungpyeong-Gun, KR
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vibration generating apparatus
    • Patent number 11,070,121
    • Issue date Jul 20, 2021
    • JAHWA electronics Co., Ltd.
    • Nam Jin Choi
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Linear vibration generating device
    • Patent number 10,637,340
    • Issue date Apr 28, 2020
    • JAHWA electronics Co., Ltd.
    • Soon Koo Shim
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Vibration actuator
    • Patent number 10,389,219
    • Issue date Aug 20, 2019
    • JAHWA electronics Co., Ltd.
    • Nam Jin Choi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Printed circuit board and vibration actuator including the same
    • Patent number 9,913,364
    • Issue date Mar 6, 2018
    • JAHWA electronics Co., Ltd.
    • Chun Choi
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Linear vibration generating device
    • Patent number 9,800,126
    • Issue date Oct 24, 2017
    • Jahwa Electronics Co., Ltd.
    • Soon Koo Shim
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Linear vibration generation device
    • Patent number 9,762,111
    • Issue date Sep 12, 2017
    • JAHWA electronics Co., Ltd.
    • Soon Koo Shim
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Apparatus for generating linear vibration with damper and damper
    • Patent number 9,742,254
    • Issue date Aug 22, 2017
    • JAHWA electronics Co., Ltd.
    • Nam Jin Choi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    VIBRATION GENERATION APPARATUS
    • Publication number 20200321845
    • Publication date Oct 8, 2020
    • JAHWA ELECTRONICS CO., LTD.
    • Nam Jin CHOI
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    LINEAR VIBRATION GENERATING DEVICE
    • Publication number 20190103796
    • Publication date Apr 4, 2019
    • JAHWA ELECTRONICS CO., LTD.
    • Soon Koo SHIM
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    PRINTED CIRCUIT BOARD AND VIBRATION ACTUATOR INCLUDING THE SAME
    • Publication number 20180042102
    • Publication date Feb 8, 2018
    • JAHWA ELECTRONICS CO., LTD.
    • Chun CHOI
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    VIBRATION ACTUATOR
    • Publication number 20180006542
    • Publication date Jan 4, 2018
    • JAHWA ELECTRONICS CO., LTD.
    • NAM JIN CHOI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    LINEAR VIBRATION GENERATION DEVICE
    • Publication number 20170141666
    • Publication date May 18, 2017
    • JAHWA ELECTRONICS CO., LTD.
    • Soon Koo Shim
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    LINEAR VIBRATION GENERATING DEVICE
    • Publication number 20160172950
    • Publication date Jun 16, 2016
    • JAHWA ELECTRONICS CO., LTD.
    • Soon Koo Shim
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER