TREA

Yung Hsien CHANG

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  • Douliu City, TW
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Patents Grantslast 30 patents

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

    CIRCUIT PROTECTION DEVICE
    • Publication number 20240071656
    • Publication date Feb 29, 2024
    • POLYTRONICS TECHNOLOGY CORP.
    • Chien Hui WU
    • 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
  • Information Patent Application

    RADIAL-LEADED OVER-CURRENT PROTECTION DEVICE
    • Publication number 20220399142
    • Publication date Dec 15, 2022
    • POLYTRONICS TECHNOLOGY CORP.
    • Feng Ji LI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SURFACE-MOUNTABLE OVER-CURRENT PROTECTION DEVICE
    • Publication number 20220399141
    • Publication date Dec 15, 2022
    • POLYTRONICS TECHNOLOGY CORP.
    • Feng Ji LI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    OVER-CURRENT PROTECTION DEVICE
    • Publication number 20220399716
    • Publication date Dec 15, 2022
    • POLYTRONICS TECHNOLOGY CORP.
    • ZHEN YU DONG
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    OVER-CURRENT PROTECTION DEVICE
    • Publication number 20220375658
    • Publication date Nov 24, 2022
    • POLYTRONICS TECHNOLOGY CORP.
    • HSIU CHE YEN
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    CABLE
    • Publication number 20200119547
    • Publication date Apr 16, 2020
    • POLYTRONICS TECHNOLOGY CORP.
    • Zhen Yu DONG
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    SURFACE-MOUNTABLE OVER-CURRENT PROTECTION DEVICE
    • Publication number 20180033527
    • Publication date Feb 1, 2018
    • POLYTRONICS TECHNOLOGY CORP.
    • Chun Teng TSENG
    • H01 - BASIC ELECTRIC ELEMENTS