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Shuai DU

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  • Chengdu, CN
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    POLYSILICON RESISTOR
    • Publication number 20210043720
    • Publication date Feb 11, 2021
    • Huawei Technologies Co., Ltd
    • Ding Li
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    AUDIO PLAY CIRCUIT AND AUDIO PLAY DEVICE
    • Publication number 20200228069
    • Publication date Jul 16, 2020
    • Huawei Technologies Co., Ltd
    • Deyang Yin
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Audio Processing Circuit and Terminal Device
    • Publication number 20200127613
    • Publication date Apr 23, 2020
    • Huawei Technologies Co., Ltd
    • Deyang Yin
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Pop Sound Suppression Method, Audio Output Circuit, and Terminal
    • Publication number 20200045417
    • Publication date Feb 6, 2020
    • Huawei Technologies Co., Ltd
    • Ding Li
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    DIGITAL-TO-ANALOG CONVERSION CIRCUIT
    • Publication number 20190229739
    • Publication date Jul 25, 2019
    • Huawei Technologies Co., Ltd
    • Ding LI
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    CIRCUIT SYSTEM
    • Publication number 20180248520
    • Publication date Aug 30, 2018
    • Huawei Technologies Co., Ltd
    • Ding Li
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    DIGITAL-TO-ANALOG CONVERSION CIRCUIT
    • Publication number 20180191363
    • Publication date Jul 5, 2018
    • Huawei Technologies Co., Ltd
    • Ding LI
    • H03 - BASIC ELECTRONIC CIRCUITRY