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CHEN-NAN LIU

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  • Pitou Township, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Over-current protection device
    • Patent number 11,990,258
    • Issue date May 21, 2024
    • Polytronics Technology Corp.
    • Hsiu-Che Yen
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    OVER-CURRENT PROTECTION DEVICE
    • Publication number 20240387079
    • Publication date Nov 21, 2024
    • POLYTRONICS TECHNOLOGY CORP.
    • Chia-Yuan LEE
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    OVER-CURRENT PROTECTION DEVICE
    • Publication number 20240387080
    • Publication date Nov 21, 2024
    • POLYTRONICS TECHNOLOGY CORP.
    • Chen-Nan LIU
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    OVER-CURRENT PROTECTION DEVICE
    • Publication number 20240177893
    • Publication date May 30, 2024
    • POLYTRONICS TECHNOLOGY CORP.
    • CHENG-YU TUNG
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    OVER-CURRENT PROTECTION DEVICE
    • Publication number 20240145133
    • Publication date May 2, 2024
    • POLYTRONICS TECHNOLOGY CORP.
    • CHEN-NAN LIU
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    OVER-CURRENT PROTECTION DEVICE
    • Publication number 20240145132
    • Publication date May 2, 2024
    • POLYTRONICS TECHNOLOGY CORP.
    • CHENG-YU TUNG
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    OVER-CURRENT PROTECTION DEVICE
    • Publication number 20240127988
    • Publication date Apr 18, 2024
    • POLYTRONICS TECHNOLOGY CORP.
    • HSIU-CHE YEN
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    OVER-CURRENT PROTECTION DEVICE
    • Publication number 20240127989
    • Publication date Apr 18, 2024
    • POLYTRONICS TECHNOLOGY CORP.
    • Chia-Yuan Lee
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    OVER-CURRENT PROTECTION DEVICE
    • Publication number 20230395288
    • Publication date Dec 7, 2023
    • POLYTRONICS TECHNOLOGY CORP.
    • Hsiu-Che YEN
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    OVER-CURRENT PROTECTION DEVICE
    • Publication number 20230395287
    • Publication date Dec 7, 2023
    • POLYTRONICS TECHNOLOGY CORP.
    • CHEN-NAN LIU
    • H01 - BASIC ELECTRIC ELEMENTS