Patents by Inventor Xiaojun Liu

Xiaojun Liu 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).

  • Patent number: 11667723
    Abstract: Disclosed herein are fusion proteins having a first domain that activates an antigen-presenting cell (APC) (e.g., a dendritic cell) by binding to an activation receptor of the APC, and a second domain that activates an immune effector cell (e.g., a T cell) by targeting a co-stimulatory signaling pathway of the immune effector cell, as well as polynucleotides that encode such fusion proteins. Disclosed herein are also genetically engineered immune effector cells expressing such fusion protein, methods of their production, and their uses in treatment of diseases such as cancers.
    Type: Grant
    Filed: August 21, 2022
    Date of Patent: June 6, 2023
    Assignee: UTC Therapeutics (Shanghai) CO., LTD.
    Inventors: Yangbing Zhao, Xiaojun Liu, Xiaodong Song, Bin Li, Jintao Feng
  • Publication number: 20230159651
    Abstract: Disclosed herein are anti-BCMA antibodies and antigen-binding fragments, chimeric antigen receptors (“CARs”) having these anti-BCMA antibodies and antigen-binding fragments (“BCMA CARs”) and genetically modified immune effector cells having such BCMA CARs. Polynucleotides encoding the anti-BCMA antibodies and antigen-binding fragments and BCMA CARs are also provided herein. Compositions comprising anti-BCMA antibodies and antigen-binding fragments and BCMA CARs are also provided herein. The present disclosure also relates to use of the anti-BCMA antibodies and antigen-binding fragments and genetically modified immune effector cells having such BCMA CARs in cancer treatment.
    Type: Application
    Filed: December 6, 2022
    Publication date: May 25, 2023
    Applicant: UTC THERAPEUTICS (SHANGHAI) CO., LTD.
    Inventors: Yangbing ZHAO, Wei PAN, Xiaojun LIU
  • Publication number: 20230110342
    Abstract: The present invention includes a method for expanding a population of electroporated T cells. The method includes electroporating a population of cells comprising T cells with mRNA encoding a chimeric membrane protein comprising an antigen binding domain to a molecule and an intracellular domain of a co-stimulatory molecule, wherein the cultured T cells expand at least 10 fold. The invention further includes an expanded population of T cells, compositions comprising the cells and methods of treatment.
    Type: Application
    Filed: September 14, 2022
    Publication date: April 13, 2023
    Inventors: Yangbing Zhao, Xiaojun Liu, Carl H. June
  • Publication number: 20230087390
    Abstract: The disclosure provides a method for monitoring abnormal sensors during fabrication of a semiconductor structure, an electronic device and storage medium. The method includes: measurement data of a wafer passing through different measurement sites are acquired; a plurality of measurement data included in each measurement site are input to a first classifier to select a first plurality of measurement sites; a plurality of measurement data corresponding to the first plurality of selected measurement sites are input to second and third classifiers to select a second plurality of measurement sites; the measurement data corresponding to the plurality of measurement sites are input to the first, second and third classifiers respectively, to select a plurality of target sensors; and the score of each target sensor group is obtained, and a plurality of target sensors in the target sensor group with the highest score are defined as abnormal sensors.
    Type: Application
    Filed: May 23, 2022
    Publication date: March 23, 2023
    Inventor: Xiaojun Liu
  • Publication number: 20230077675
    Abstract: A state monitoring method, a state monitoring apparatus and a state monitoring system for a developing device are provided. After image information is obtained through the acquired video information of the developing device, it is determined by an analysis unit whether the image information includes nozzle anomaly information, and alarm information is issued after the nozzle anomaly information is determined. Moreover, similarity between the image information that does not include the nozzle anomaly information and second preset nozzle anomaly information is compared, and the nozzle information is stored in the analysis unit in a case that the similarity between the image information and the second preset nozzle anomaly information is greater than a first threshold.
    Type: Application
    Filed: April 25, 2022
    Publication date: March 16, 2023
    Inventor: Xiaojun LIU
  • Patent number: 11606282
    Abstract: Embodiments of this application disclose a method and a device for detecting network reliability. The method includes: A detection apparatus obtains a first quantity of data packets included in a first packet sent by a first network node to a second network node. The detection apparatus obtains first feedback information sent by the second network node, where the first feedback information includes a second quantity of data packets included in the first packet received by the second network node. The detection apparatus calculates communication service availability of a network channel from the first network node to the second network node based on at least one of the first quantity or the second quantity. Embodiments of this application can quickly and accurately detect and evaluate the network reliability.
    Type: Grant
    Filed: May 28, 2021
    Date of Patent: March 14, 2023
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Xiaobin Jiang, Xiaojun Liu, Xiaoqian Jia
  • Publication number: 20230044380
    Abstract: Disclosed herein are fusion proteins having a first domain that activates an antigen-presenting cell (APC) (e.g., a dendritic cell) by binding to an activation receptor of the APC, and a second domain that activates an immune effector cell (e.g., a T cell) by targeting a co-stimulatory signaling pathway of the immune effector cell, as well as polynucleotides that encode such fusion proteins. Disclosed herein are also genetically engineered immune effector cells expressing such fusion protein, methods of their production, and their uses in treatment of diseases such as cancers.
    Type: Application
    Filed: August 21, 2022
    Publication date: February 9, 2023
    Inventors: Yangbing Zhao, Xiaojun Liu, Xiaodong Song, Bin Li, Jintao Feng
  • Patent number: 11533493
    Abstract: A video encoding method is provided in the present invention. The method includes: determining a range of interest ROI in an ith frame, wherein the ROI comprises at least one ROI macroblock; extracting characteristic information of the at least one ROI macroblock, wherein the characteristic information comprises location information and type information of the at least one ROI macroblock; determining a quantization parameter QP corresponding to each of the at least one ROI macroblock; encoding the characteristic information of the at least one ROI macroblock according to the determined QP corresponding to each ROI macroblock, to obtain an ROI characteristic stream of the ith frame; and adding, to a video stream of the ith frame, the QP corresponding to each ROI macroblock and the ROI characteristic stream of the ith frame, to perform sending, wherein the video stream of the ith frame is obtained by encoding the ROI and a non-ROI comprised in the ith frame.
    Type: Grant
    Filed: January 26, 2021
    Date of Patent: December 20, 2022
    Assignee: SHANDONG RUIXIN SEMICONDUCTOR TECHNOLOGY CO., LTD
    Inventors: Minsheng Wang, Maojian Xiang, Xiaojun Liu
  • Publication number: 20220354889
    Abstract: The present disclosure provides modified immune cells or precursors thereof (e.g., gene edited modified T cells) comprising an exogenous T cell receptor (TCR) and/or a chimeric antigen receptor (CAR) having specificity for a target antigen, and an insertion and/or deletion in an endogenous gene locus encoding DNMT3A. Compositions and methods of treatment are also provided.
    Type: Application
    Filed: March 25, 2020
    Publication date: November 10, 2022
    Inventors: Yangbing Zhao, Wei Pan, Xiaojun Liu
  • Patent number: 11471487
    Abstract: The present invention includes a method for expanding a population of electroporated T cells. The method includes electroporating a population of cells comprising T cells with mRNA encoding a chimeric membrane protein comprising an antigen binding domain to a molecule and an intracellular domain of a co-stimulatory molecule, wherein the cultured T cells expand at least 10 fold. The invention further includes an expanded population of T cells, compositions comprising the cells and methods of treatment.
    Type: Grant
    Filed: October 30, 2015
    Date of Patent: October 18, 2022
    Assignee: The Trustees of the University of Pennsylvania
    Inventors: Yangbing Zhao, Xiaojun Liu, Carl H. June
  • Publication number: 20220323999
    Abstract: A method for detecting wafer cleaning anomalies includes: capturing a wafer cleaning video in real time through each of a plurality of cameras of cleaning machines, each camera corresponds to a respective cleaning chamber of one of the cleaning machines, and each cleaning chamber contains a nozzle; performing image processing on each frame of image contained in the wafer cleaning video to obtain characteristics of contact between a cleaning water column dispensed from the nozzle and a wafer in the image, and determining through the characteristics of contact whether the nozzle has an anomaly; and when a target nozzle having the anomaly is detected, determining anomaly positioning information of the target nozzle, and performing anomaly early-warning by using the anomaly positioning information.
    Type: Application
    Filed: March 21, 2022
    Publication date: October 13, 2022
    Inventors: Guobiao JIANG, Xiaojun LIU
  • Publication number: 20220154190
    Abstract: The present invention relates to compositions and methods for generating a modified T cell with a nucleic acid capable of downregulating endogenous gene expression selected from the group consisting of TCR ? chain, TCR ? chain, beta-2 microglobulin and FAS further comprising a nucleic acid encoding a modified T cell receptor (TCR) comprising affinity for a surface antigen on a target cell or an electroporated nucleic acid encoding a chimeric antigen receptor (CAR). Also included are methods and pharmaceutical compositions comprising the modified T cell for adoptive therapy and treating a condition, such as an autoimmune disease.
    Type: Application
    Filed: December 14, 2021
    Publication date: May 19, 2022
    Inventors: Yangbing Zhao, Jiangtao Ren, Xiaojun Liu, Carl H. June
  • Publication number: 20220145306
    Abstract: The present invention relates to compositions and methods for generating a modified T cell with a nucleic acid capable of downregulating endogenous gene expression selected from the group consisting of TCR ? chain, TCR ? chain, beta-2 microglobulin and FAS further comprising a nucleic acid encoding a modified T cell receptor (TCR) comprising affinity for a surface antigen on a target cell or an electroporated nucleic acid encoding a chimeric antigen receptor (CAR). Also included are methods and pharmaceutical compositions comprising the modified T cell for adoptive therapy and treating a condition, such as an autoimmune disease.
    Type: Application
    Filed: November 24, 2021
    Publication date: May 12, 2022
    Inventors: Yangbing Zhao, Jiangtao Ren, Xiaojun Liu, Carl H. June
  • Publication number: 20220097298
    Abstract: A printing head annularly coated with a fiber-reinforced composite material, comprising a feed part, an extrusion mechanism, an immersion chamber, an annularly coated nozzle, and a measurement and control part, wherein the feed part is mainly used for quantitatively providing a resin material at a constant speed, and the lower end of the feed part is connected with the extrusion mechanism; the resin is extruded out at the constant speed under the actions of a heating ring and a screw rod, and enters the immersion chamber; in the immersion chamber, the resin and a fiber are mixed, and are extruded and molded by means of the annularly coated nozzle. The bottom end of the annularly coated nozzle is of a planar structure, and after the composite material is molded, the molded surface of the composite material can be compacted.
    Type: Application
    Filed: December 30, 2019
    Publication date: March 31, 2022
    Applicant: BEIJING NATIONAL INNOVATION INSTITUTE OF LIGHTWEIGHT LTD.
    Inventors: Zhongde SHAN, Congze FAN, Li ZHAN, Feng LIU, Xiaojun LIU
  • Publication number: 20220060031
    Abstract: The present disclosure provides a series battery pack capacity on-line monitoring and charging/discharging dual-state equalization circuit and method. The series battery pack capacity on-line monitoring and charging/discharging dual-state equalization circuit includes a storage battery pack, a gating switch array, a power dissipation loop, a polarity matching switch array, an isolated DC/DC converter, a bipolar differential battery voltage measurement circuit, a micro controller unit, a charging/discharging current detection loop, and a switch circuit unit. According to the present disclosure, each series battery of the storage battery pack can be separately charged and discharged by controlling the gating switch array, the storage battery pack capacity can be detected on line, bypass discharge and parallel supplement can be carried out on the series batteries with high or low relative state of charge in two states of charging and discharging, and the power of each series battery can be efficiently equalized.
    Type: Application
    Filed: October 12, 2020
    Publication date: February 24, 2022
    Applicant: SHANDONG UNIVERSITY
    Inventors: Xiaojun LIU, Yilin LIU
  • Patent number: 11208661
    Abstract: The present invention relates to compositions and methods for generating a modified T cell with a nucleic acid capable of downregulating endogenous gene expression selected from the group consisting of TCR ? chain, TCR ? chain, beta-2 microglobulin and FAS further comprising a nucleic acid encoding a modified T cell receptor (TCR) comprising affinity for a surface antigen on a target cell or an electroporated nucleic acid encoding a chimeric antigen receptor (CAR). Also included are methods and pharmaceutical compositions comprising the modified T cell for adoptive therapy and treating a condition, such as an autoimmune disease.
    Type: Grant
    Filed: October 15, 2015
    Date of Patent: December 28, 2021
    Assignee: The Trustees of the University of Pennsylvania
    Inventors: Yangbing Zhao, Jiangtao Ren, Xiaojun Liu, Carl H. June
  • Patent number: 11203758
    Abstract: The present invention relates to compositions and methods for generating a modified T cell with a nucleic acid capable of downregulating endogenous gene expression selected from the group consisting of TCR ? chain, TCR ? chain, beta-2 microglobulin and FAS further comprising a nucleic acid encoding a modified T cell receptor (TCR) comprising affinity for a surface antigen on a target cell or an electroporated nucleic acid encoding a chimeric antigen receptor (CAR). Also included are methods and pharmaceutical compositions comprising the modified T cell for adoptive therapy and treating a condition, such as an autoimmune disease.
    Type: Grant
    Filed: April 25, 2018
    Date of Patent: December 21, 2021
    Assignee: THE TRUSTEES OF THE UNIVERSITY OF PENNSYLVANIA
    Inventors: Yangbing Zhao, Jiangtao Ren, Xiaojun Liu, Carl H. June
  • Publication number: 20210317183
    Abstract: The invention provides T cells comprising nucleic acid sequence encoding a chimeric antigen receptor and a nucleic acid sequence encoding an enhancer of T cell priming, compositions including the T cells, and methods of using the T cells to treat diseases associated with the expression of disease-associated antigens.
    Type: Application
    Filed: April 22, 2021
    Publication date: October 14, 2021
    Inventors: Yangbing Zhao, Devon J. Shedlock, Carl H. June, Xiaojun Liu
  • Publication number: 20210283484
    Abstract: A stroke decision device 30 includes an acquisition section 31 configured to acquire state information including a position, a velocity, and a rotational velocity of an incoming ball, and a stroke decision section 32 configured to decide a stroke condition including a position, a velocity, and an orientation of a striking implement at a time point when hitting back the ball toward a target arrival position, based on the state information for the ball and the target arrival position when hitting back the ball with the striking implement.
    Type: Application
    Filed: March 9, 2021
    Publication date: September 16, 2021
    Applicant: OMRON Corporation
    Inventors: Xiaojun Liu, Kyohei Asai, Masamune Nakayama, Satoshi Yase
  • Patent number: D970320
    Type: Grant
    Filed: February 4, 2021
    Date of Patent: November 22, 2022
    Inventor: Xiaojun Liu