Patents by Inventor Yushi LI

Yushi LI 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).

  • Three-dimensional memory devices and fabricating methods thereof
    Patent number: 11991880
    Abstract: A method for forming a 3D memory device is disclosed. The method includes: forming an alternating dielectric stack on a substrate; forming a plurality of channel holes penetrating the alternating dielectric stack; forming a channel structure in each channel hole; forming a channel column structure on the channel structure in each channel hole; trimming an upper portion of each channel column structure to form a channel plug; and forming a top selective gate cut between neighboring channel plugs.
    Type: Grant
    Filed: September 9, 2020
    Date of Patent: May 21, 2024
    Assignee: Yangtze Memory Technologies Co., Ltd.
    Inventors: Zhenyu Lu, Yu Ru Huang, Qian Tao, Yushi Hu, Jun Chen, Xiaowang Dai, Jifeng Zhu, Yongna Li, Lidong Song
  • Axial-flow impeller and air-conditioner having the same
    Patent number: 11680580
    Abstract: An axial-flow impeller includes a hub and blades. A tail edge of one blade has recessed portions successively arranged in a direction from a blade root of the blade to an outer edge of the blade. On a reference projection of the impeller on a reference plane perpendicular to a rotation axis of the impeller, a first connection line connects a starting point of a first recessed portion closest to the blade root and an end point of a second recessed portion closest to the outer edge, a second connection line connects a tail edge point of the blade root and the end point of the second recessed portion, one or more of the recessed portions is each partially located at a front-edge side of the second connection line, and remaining one or more of the recessed portions is each completely located between the first and second connection lines.
    Type: Grant
    Filed: April 26, 2019
    Date of Patent: June 20, 2023
    Assignees: GD MIDEA AIR-CONDITIONING EQUIPMENT CO., LTD., MIDEA GROUP CO., LTD.
    Inventors: Yutai Huang, Xujie Cai, Yushi Li, Bo Wang, Hejie Zhou
  • AXIAL-FLOW IMPELLER AND AIR-CONDITIONER HAVING THE SAME
    Publication number: 20220003242
    Abstract: An axial-flow impeller includes a hub and blades. A tail edge of one blade has recessed portions successively arranged in a direction from a blade root of the blade to an outer edge of the blade. On a reference projection of the impeller on a reference plane perpendicular to a rotation axis of the impeller, a first connection line connects a starting point of a first recessed portion closest to the blade root and an end point of a second recessed portion closest to the outer edge, a second connection line connects a tail edge point of the blade root and the end point of the second recessed portion, one or more of the recessed portions is each partially located at a front-edge side of the second connection line, and remaining one or more of the recessed portions is each completely located between the first and second connection lines.
    Type: Application
    Filed: April 26, 2019
    Publication date: January 6, 2022
    Inventors: Yutai HUANG, Xujie CAI, Yushi LI, Bo WANG, Hejie ZHOU