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Hui ZHAN

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  • Hangzhou, CN
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    CAMERA SYSTEM AND CONNECTING BRACKET THEREOF
    • Publication number 20220365406
    • Publication date Nov 17, 2022
    • Zhejiang Dahua Technology CO., LTD.
    • Dong YE
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SURVEILLANCE DEVICE
    • Publication number 20210364898
    • Publication date Nov 25, 2021
    • Zhejiang Dahua Technology CO., LTD.
    • Liyun ZHENG
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    SURVEILLANCE DEVICE
    • Publication number 20210364897
    • Publication date Nov 25, 2021
    • Zhejiang Dahua Technology CO., LTD.
    • Liyun ZHENG
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    LIGHTING DEVICES FOR AUTOMATICALLY SWITCHING BETWEEN A VISIBLE LIGH...
    • Publication number 20210311233
    • Publication date Oct 7, 2021
    • Zhejiang Dahua Technology CO., LTD.
    • Liyun ZHENG
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    SYSTEMS AND METHODS FOR ADJUSTING POSITION OF PHOTOSENSITIVE CHIP O...
    • Publication number 20210185196
    • Publication date Jun 17, 2021
    • Zhejiang Dahua Technology CO., LTD.
    • Hui ZHAN
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SURVEILLANCE DEVICE
    • Publication number 20200225562
    • Publication date Jul 16, 2020
    • Zhejiang Dahua Technology CO., LTD.
    • Liyun ZHENG
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY