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Zhanjun Zhang

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  • Dongguan, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Zoom lens
    • Patent number 12,196,933
    • Issue date Jan 14, 2025
    • Dongguan Yutong Optical Technology Co., Ltd.
    • Jianwei He
    • G02 - OPTICS
  • Information Patent Grant

    Optical lens
    • Patent number 11,520,141
    • Issue date Dec 6, 2022
    • Dongguan Yutong Optical Technology Co., Ltd.
    • Shilong Mi
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    Zoom Lens
    • Publication number 20230204932
    • Publication date Jun 29, 2023
    • Dongguan Yutong Optical Technology Co., Ltd.
    • Jianwei He
    • G02 - OPTICS
  • Information Patent Application

    Optical Lens
    • Publication number 20210223545
    • Publication date Jul 22, 2021
    • Dongguan Yutong Optical Technology Co., Ltd.
    • Shilong Mi
    • G02 - OPTICS