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Cheng ZHAO

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  • Weifang, CN
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    EARMUFF AND HEAD-MOUNTED HEADPHONES
    • Publication number 20240163596
    • Publication date May 16, 2024
    • GOERTEK INC.
    • Rui GUO
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    EARMUFF AND HEAD-MOUNTED HEADPHONES
    • Publication number 20240155280
    • Publication date May 9, 2024
    • GOERTEK INC.
    • Rui GUO
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    WRISTBAND AND WRIST-WORN DEVICE
    • Publication number 20240130482
    • Publication date Apr 25, 2024
    • GOERTEK INC.
    • Cheng Zhao
    • A44 - HABERDASHERY JEWELLERY
  • Information Patent Application

    WRIST-WORN DEVICE
    • Publication number 20240130484
    • Publication date Apr 25, 2024
    • GOERTEK INC.
    • Cheng Zhao
    • A44 - HABERDASHERY JEWELLERY
  • Information Patent Application

    WRISTBAND AND WRIST-WORN DEVICE
    • Publication number 20240130485
    • Publication date Apr 25, 2024
    • GOERTEK INC.
    • Cheng Zhao
    • A44 - HABERDASHERY JEWELLERY
  • Information Patent Application

    WRISTBAND AND WRIST WEARABLE DEVICE
    • Publication number 20230020875
    • Publication date Jan 19, 2023
    • GOERTEK INC.
    • Jianning ZHANG
    • A44 - HABERDASHERY JEWELLERY