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Yang Chang

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  • Shanghai, CN
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Patents Applicationslast 30 patents

  • Information Patent Application

    OPERATION APPARATUS FOR ROTARY SWITCH AND ROTARY SWITCH
    • Publication number 20230268148
    • Publication date Aug 24, 2023
    • Huawei Digital Power Technologies Co., Ltd.
    • Jian Shi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ROTARY OPERATOR AND ROTARY SWITCH
    • Publication number 20230268149
    • Publication date Aug 24, 2023
    • Huawei Digital Power Technologies Co., Ltd.
    • Jian Shi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SWITCH UNIT AND SWITCHING DEVICE
    • Publication number 20230238200
    • Publication date Jul 27, 2023
    • Huawei Digital Power Technologies Co., Ltd.
    • Yang Chang
    • H01 - BASIC ELECTRIC ELEMENTS