Patents by Inventor Yingchao Xu

Yingchao Xu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • METHOD FOR MAKING COVER PLATE, COVER PLATE AND ELECTRONIC DEVICE
    Publication number: 20240090151
    Abstract: A method for making a cover plate, a cover plate and an electronic device. The method for making the cover plate includes: disposing a light-shielding material on a periphery of a first light-transmitting material and a periphery of a second light-transmitting material; squeezing the first light-transmitting material, the second light-transmitting material and the light-shielding material to obtain a composite rod material; and treating the composite rod material to obtain the cover plate.
    Type: Application
    Filed: November 21, 2023
    Publication date: March 14, 2024
    Applicant: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Feng XU, Zimei YANG, Zhongzhi TANG, Jianwen LIN, Yingchao WU
  • Downhole drilling tool system of torque self-balancing
    Patent number: 10724300
    Abstract: The present invention relates to a downhole drilling tool system of torque self-balancing and belongs to a technical field of drilling engineering equipment. The drilling tool system consists of an assembly of internal and external drill bits, power components, a pressure adjustment system for internal and external drill bits, a mud circulating system, and an unfreezing system.
    Type: Grant
    Filed: February 16, 2018
    Date of Patent: July 28, 2020
    Assignee: Jilin University
    Inventors: Ke Gao, Youhong Sun, Zhigang Wang, Yan Zhao, Kun Bo, Xiaobo Xie, Haiyong Wang, Xiaochu Wang, Zhao Liu, Yafei Wang, Hangkai Chen, Saiyu Peng, Yingchao Xu, Lidong Xing
  • DOWNHOLE DRILLING TOOL SYSTEM OF TORQUE SELF-BALANCING
    Publication number: 20190063157
    Abstract: The present invention relates to a downhole drilling tool system of torque self-balancing and belongs to a technical field of drilling engineering equipment. The drilling tool system consists of an assembly of internal and external drill bits, power components, a pressure adjustment system for internal and external drill bits, a mud circulating system, and an unfreezing system.
    Type: Application
    Filed: February 16, 2018
    Publication date: February 28, 2019
    Applicant: Jilin University
    Inventors: Ke Gao, Youhong Sun, Zhigang Wang, Yan Zhao, Kun Bo, Xiaobo Xie, Haiyong Wang, Xiaochu Wang, Zhao Liu, Yafei Wang, Hangkai Chen, Saiyu Peng, Yingchao Xu, Lidong Xing