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Qing Cai

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  • Shenzhen, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Control device and battery exchange method
    • Patent number 11,541,774
    • Issue date Jan 3, 2023
    • Fu Tai Hua Industry (Shenzhen) Co., Ltd.
    • Eddy Liu
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Vehicle-mounted display screen device and vehicle
    • Patent number 10,882,462
    • Issue date Jan 5, 2021
    • BYD Company Limited
    • Xiaoru Zhang
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Variable spacing device
    • Patent number 10,562,718
    • Issue date Feb 18, 2020
    • Fu Tai Hua Industry (Shenzhen) Co., Ltd.
    • Wei-Da Yang
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Automatic turnover device using gravity
    • Patent number 10,414,601
    • Issue date Sep 17, 2019
    • Fu Tai Hua Industry (Shenzhen) Co., Ltd.
    • Wei-Da Yang
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Transport chute and assembly line using same
    • Patent number 10,029,852
    • Issue date Jul 24, 2018
    • Fu Tai Hua Industry (Shenzhen) Co., Ltd.
    • Wei-Da Yang
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Positional stop device
    • Patent number 9,869,329
    • Issue date Jan 16, 2018
    • Fu Tai Hua Industry (Shenzhen) Co., Ltd.
    • Yu-Ching Liu
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Cylinder
    • Patent number 9,732,740
    • Issue date Aug 15, 2017
    • Fu Tai Hua Industry (Shenzhen) Co., Ltd.
    • Yu-Ching Liu
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Multi-layered connector
    • Patent number 7,497,741
    • Issue date Mar 3, 2009
    • Hong Fu Jin Precision Industry (Shen Zhen) Co., Ltd.
    • Qing Cai
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    Energy Storage Device, and Control System for Energy Storage Device
    • Publication number 20250132444
    • Publication date Apr 24, 2025
    • BYD COMPANY LIMITED
    • Lei Zhou
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    DISPLAY PANEL AND DISPLAY DEVICE
    • Publication number 20230080340
    • Publication date Mar 16, 2023
    • HKC COPORATION LIMITED
    • Qing CAI
    • G02 - OPTICS
  • Information Patent Application

    CONTROL DEVICE AND BATTERY EXCHANGE METHOD
    • Publication number 20210009001
    • Publication date Jan 14, 2021
    • FU TAI HUA INDUSTRY (SHENZHEN) CO., LTD.
    • EDDY LIU
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    AUTOMATIC TURNOVER DEVICE USING GRAVITY
    • Publication number 20190300292
    • Publication date Oct 3, 2019
    • FU TAI HUA INDUSTRY (SHENZHEN) CO., LTD.
    • WEI-DA YANG
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    VEHICLE-MOUNTED DISPLAY SCREEN DEVICE AND VEHICLE
    • Publication number 20190291657
    • Publication date Sep 26, 2019
    • BYD Company Limited
    • Xiaoru ZHANG
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    CYLINDER
    • Publication number 20160348660
    • Publication date Dec 1, 2016
    • FU TAI HUA INDUSTRY (SHENZHEN) CO., LTD.
    • YU-CHING LIU
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    POSITIONAL STOP DEVICE
    • Publication number 20160327072
    • Publication date Nov 10, 2016
    • FU TAI HUA INDUSTRY (SHENZHEN) CO., LTD.
    • YU-CHING LIU
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    MULTI-LAYERED CONNECTOR
    • Publication number 20080045046
    • Publication date Feb 21, 2008
    • HON HAI Precision Industry CO., LTD.
    • Qing Cai
    • H01 - BASIC ELECTRIC ELEMENTS