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Chin-Feng TSAI

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  • Changhua County, TW
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    BICYCLE RIM
    • Publication number 20210206200
    • Publication date Jul 8, 2021
    • SHENG I FIRST CO., LTD.
    • Chin-Tsai TSAI
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    SPOKES OF WHEEL
    • Publication number 20210086553
    • Publication date Mar 25, 2021
    • SHENG I FIRST CO., LTD.
    • Chin-Tsai TSAI
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    ENERGY CHARGE CONTROLLER, ENERGY CHARGE CONTROLLING SYSTEM AND METH...
    • Publication number 20170166060
    • Publication date Jun 15, 2017
    • AUTOMOTIVE RESEARCH & TESTING CENTER
    • Chien-An CHEN
    • B60 - VEHICLES IN GENERAL