Qijun Zhang

9 Patents

• US125710712026

  Method for Recovering Rare-earth in Cerium-based Rare-earth Polishing Powder Waste by Two-step Acid Leaching Gradient Separation

  BEIJING UNIVERSITY OF TECHNOLOGY

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• US124680432025

  Lidar Resonator with Dynamic Force Equilibrium

  GM GLOBAL TECHNOLOGY OPERATIONS LLC

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• US124354842025

  System and Method for Monitoring Earth Pressure and Displacement of Miniature Steel Pipe Pile Body

  Chongqing University

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• US122537112025

  Backlight Module, Display Module and Display Apparatus

  BOE Technology Group Co., Ltd.

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• US121194642024

  Method for Preferentially Recovering Manganese from Waste Lithium-rich Manganese-based Cathode Material

  BEIJING UNIVERSITY OF TECHNOLOGY

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• US120062682024

  Method for Preparing Ecological Foamed Ceramic from Lepidolite Filter Mud Whole Waste

  BEIJING UNIVERSITY OF TECHNOLOGY

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• US117533082023

  Method for Separating and Extracting Rare-earth and Regenerating Rare-earth Polishing Powder from Rare-earth Polishing Powder Waste

  BEIJING UNIVERSITY OF TECHNOLOGY

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• US116860842023

  Prefabricated Concrete Beam-column Node and Construction Method Therefor

  HAINAN UNIVERSITY

  0 cites
• US116352842023

  Testing Apparatus for Pile End Settlement of Rock-socketed Driven PHC Tube Pile and Installation Method

  China State Construction Zhongxin Construction Engineering Co., Ltd.shandong Branch

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