Patents by Inventor Jianqing Xu

Jianqing 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).

  • Publication number: 20240124586
    Abstract: A polypeptide complex comprises antibody variable regions of the heavy chain and light chain respectively fused to TCR constant regions. A bispecific antigen binding polypeptide complex contains a first antigen-binding moiety of the polypeptide complex and a second antigen-binding moiety. A method comprises producing the polypeptide complex of the bispecific antigen binding polypeptide complex. A method of treating disease or disorder comprises using the polypeptide complex or the bispecific antigen binding polypeptide complex. A polynucleotide encodes the polypeptide complex and/or the bispecific antigen binding polypeptide complex. A vector or a host cell contains the polynucleotide. A composition and a pharmaceutical composition comprise the polypeptide complex and/or the bispecific antigen binding polypeptide complex.
    Type: Application
    Filed: October 3, 2023
    Publication date: April 18, 2024
    Inventors: Jianqing XU, Zhuozhi WANG, Jing LI
  • Publication number: 20240101676
    Abstract: The present invention provides PD-1 monoclonal antibodies, particularly human monoclonal antibodies of PD-1, which specifically bind to PD-1 with high affinity and comprise a heavy chain and a light chain. The present invention further provides nucleic acid sequence encoding the antibodies of the invention, cloning or expression vectors, host cells and methods for expressing or isolating the antibodies. Immunoconjugates, therapeutic compositions comprising the antibodies of the invention are also provided. The invention also provides methods for treating various cancers with anti-PD-1 antibodies.
    Type: Application
    Filed: August 31, 2023
    Publication date: March 28, 2024
    Inventors: Yong Zheng, Jing Li, Gennady Gololobov, Xinhua Zhang, Baotian Yang, Zhewei Tang, Dong Li, Jianqing Xu, Zhuozhi Wang
  • Publication number: 20240084819
    Abstract: Provided are a heat collecting pump and a washing appliance. The heat collecting pump includes: a housing defining an accommodation cavity and having a fluid inlet, a fluid outlet, and a mounting opening; a heating device and a flow guiding element that are disposed in the accommodation cavity; a drive device connected to the housing and configured to drive a fluid to flow from the fluid inlet to the fluid outlet. The flow guiding element has an inner wall defining a fluid inlet channel in communication with the fluid inlet. A fluid discharge channel is defined between an outer wall of the flow guiding element and an inner wall of the accommodation cavity, and is in communication with the fluid inlet channel and the fluid outlet, respectively. The flow guiding element has a flow guiding portion configured to guide a fluid in the fluid discharge channel towards the fluid outlet.
    Type: Application
    Filed: November 22, 2023
    Publication date: March 14, 2024
    Inventors: Jianqing WU, Richao LIU, Xiang LI, Canhua QIU, Pingping XU
  • Publication number: 20240076411
    Abstract: This disclosure provides multispecific and multivalent antigen binding proteins. In one aspect, the disclosure provides a multispecific antigen binding protein, comprising a first antigen binding site comprising a first VHH that specifically binds to a first epitope; and a second antigen binding site that specifically binds to a second epitope.
    Type: Application
    Filed: December 29, 2021
    Publication date: March 7, 2024
    Inventors: Xinzhao FAN, Jianqing XU, Yunying CHEN, Xiaofeng LU, Yongqing CHENG, Zhuozhi WANG, Jijie GU
  • Patent number: 11845796
    Abstract: A polypeptide complex comprises antibody variable regions of the heavy chain and light chain respectively fused to TCR constant regions. A bispecific antigen binding polypeptide complex contains a first antigen-binding moiety of the polypeptide complex and a second antigen-binding moiety. A method comprises producing the polypeptide complex or the bispecific antigen binding polypeptide complex. A method of treating disease or disorder comprises using the polypeptide complex or the bispecific antigen binding polypeptide complex. A polynucleotide encodes the polypeptide complex and/or the bispecific antigen binding polypeptide complex. A vector or a host cell contains the polynucleotide. A composition and a pharmaceutical composition comprise the polypeptide complex and/or the bispecific antigen binding polypeptide complex.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: December 19, 2023
    Assignee: WUXI BIOLOGICS IRELAND LIMITED
    Inventors: Jianqing Xu, Zhuozhi Wang, Jing Li
  • Patent number: 11833888
    Abstract: A system and method for protecting against low refrigerant charge of a refrigerant subsystem in a vehicle includes a controller configured to control a component of the vehicle in response to detecting a low refrigerant charge based on an ambient temperature of the refrigerant subsystem, a suction pressure of refrigerant entering a compressor of the refrigerant subsystem, and a speed of the compressor.
    Type: Grant
    Filed: February 10, 2022
    Date of Patent: December 5, 2023
    Assignee: Ford Global Technologies, LLC
    Inventors: Changchun Li, Jianqing Xu
  • Publication number: 20230382994
    Abstract: The present invention provides CTLA-4 monoclonal antibodies, particularly humanized monoclonal antibodies specifically binding to CTLA-4 with high affinity. The present invention also provides functional monoclonal antibodies cross-reactive to CTLA-4 of human, cynomolgus monkey and mouse. The present invention further provides amino acid sequences of the antibodies of the invention, cloning or expression vectors, host cells and methods for expressing or isolating the antibodies. The epitopes of the antibodies are identified. Therapeutic compositions comprising the antibodies of the invention are also provided. The invention also provides methods for treating cancers and other diseases with anti-CTLA-4 antibodies.
    Type: Application
    Filed: March 21, 2023
    Publication date: November 30, 2023
    Inventors: Zhuozhi Wang, Jing Li, Gennady Gololobov, Jianqing Xu
  • Patent number: 11816880
    Abstract: A face recognition method includes: obtaining a first feature image that describes a face feature of a target face image and a first feature vector corresponding to the first feature image; obtaining a first feature value that represents a degree of difference between a face feature in the first feature image and that in the target face image; obtaining a similarity between the target face image and a template face image according to the first feature vector, the first feature value, and a second feature vector and a second feature value corresponding to a second feature image of the template face image, the second feature value describing a degree of difference between a face feature in the second feature image and that in the template face image; and determining, when the similarity is greater than a preset threshold, that the target face image matches the template face image.
    Type: Grant
    Filed: May 13, 2022
    Date of Patent: November 14, 2023
    Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventors: Jianqing Xu, Pengcheng Shen, Shaoxin Li
  • Patent number: 11773373
    Abstract: Disclosed is a method for rapidly amplifying CD8+T cells and functional cell subpopulations thereof in vitro. A TLR1/2 agonist, a TLR2/6 agonist and a TLR5 agonist or a combination of above agonists is added to a conventional culture system for in-vitro amplification of CD8+T cells. Recombinant cytokines IL-2, IL-7 and IL-15 as well as magnetic beads coated with an anti-human CD3 antibody and an anti-human CD28 antibody can be further added to the culture system for continuous co-stimulation.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: October 3, 2023
    Assignee: Shanghai Innovative Chang'An Biological Technology Co., Ltd.
    Inventors: Jianqing Xu, Xiaoyan Zhang, Chenli Qiu
  • Publication number: 20230270847
    Abstract: A recombinant viral vector, an immunogenic composition comprising the same, and uses. The recombinant viral vector comprises a polynucleotide encoding a cytokine, the cytokine being one or more selected from IL-7, IL-15, IL-21 or GM-CSF. The recombinant viral vector is useful in preparing an antitumor vaccine.
    Type: Application
    Filed: February 18, 2020
    Publication date: August 31, 2023
    Inventors: Jianqing Xu, Yang Huang, Jiahao Sun
  • Publication number: 20230270823
    Abstract: Provided are IL-15 variants and heterodimeric IL-15/IL-15R?-Fc fusion proteins comprising the IL-15 variants, the methods of producing the same and the uses thereof. The IL-15 variants and fusion proteins of provided can be used as a potent agent for the treatment of cancers.
    Type: Application
    Filed: September 1, 2021
    Publication date: August 31, 2023
    Inventors: Yu LIANG, Ming LEI, Jijie GU, Jing LI, Mengmeng SUN, Jing XU, Junqing CUI, Yuanyuan ZHENG, Jianqing XU, Ruipu XIN
  • Publication number: 20230249522
    Abstract: A system and method for protecting against low refrigerant charge of a refrigerant subsystem in a vehicle includes a controller configured to control a component of the vehicle in response to detecting a low refrigerant charge based on an ambient temperature of the refrigerant subsystem, a suction pressure of refrigerant entering a compressor of the refrigerant subsystem, and a speed of the compressor.
    Type: Application
    Filed: February 10, 2022
    Publication date: August 10, 2023
    Applicant: FORD GLOBAL TECHNOLOGIES, LLC
    Inventors: Changchun Li, Jianqing Xu
  • Publication number: 20230173054
    Abstract: The present invention provides a target sequence of an RNA virus. The target sequence is a nucleic acid sequence fragment in the gene sequence in the RNA virus containing 20-40 bases and having not less than 95% similarity to genome sequence of human or related species such as livestock and poultry. The above-mentioned target sequence of the RNA virus is selected from SEQ ID NO. 1 - SEQ ID NO. 615. The present invention also relates to a primer composition for constructing the above-mentioned target sequence, biomaterials such as antisense RNA related to the above-mentioned target sequence, and related uses such as design of a vaccine lacking the target sequence. The virus fragment with the above-mentioned sequence constructed in the present invention has the function of interacting with human genomic DNA and is similar to viral miRNA.
    Type: Application
    Filed: November 4, 2021
    Publication date: June 8, 2023
    Applicants: SHANGHAI PUBLIC HEALTH CLINICAL CENTER, Shanghai Yizhe Biotechnology Co., Ltd.
    Inventors: Wenqiang Yu, Zhenyan Li, Jianqing Xu, Hailin Wang, Wei Li, Cheng Lian, Peng Xu
  • Publication number: 20230173028
    Abstract: A TFF2 protein and an IFN-? protein are combined to treat a novel coronavirus infection. A product comprises: (a) an IFN-? protein; (b) a TFF2 protein; and (c) an optional pharmaceutically acceptable carrier. Provided are an application of a combination of IFN-? protein and TFF2 protein in the preparation of a product for the treatment of a novel coronavirus infection and related diseases, and a method for using the product to treat a novel coronavirus infection and related diseases. The foregoing combination, application, and method have excellent therapeutic effects on novel coronavirus infections, and have application prospects and social benefits.
    Type: Application
    Filed: March 30, 2020
    Publication date: June 8, 2023
    Inventors: Jianqing XU, Xiaoyan ZHANG, Weihui FU, Songhua YUAN, Yongquan HE
  • Patent number: 11643463
    Abstract: The present invention provides CTLA-4 monoclonal antibodies, particularly humanized monoclonal antibodies specifically binding to CTLA-4 with high affinity. The present invention also provides functional monoclonal antibodies cross-reactive to CTLA-4 of human, cynomolgus monkey and mouse. The present invention further provides amino acid sequences of the antibodies of the invention, cloning or expression vectors, host cells and methods for expressing or isolating the antibodies. The epitopes of the antibodies are identified. Therapeutic compositions comprising the antibodies of the invention are also provided. The invention also provides methods for treating cancers and other diseases with anti-CTLA-4 antibodies.
    Type: Grant
    Filed: May 19, 2017
    Date of Patent: May 9, 2023
    Assignee: WUXI Biologics (Shanghai) Co., Ltd.
    Inventors: Zhuozhi Wang, Jing Li, Gennady Gololobov, Jianqing Xu
  • Publication number: 20230135239
    Abstract: The present invention discloses a drug for treating severe acute respiratory syndrome caused by coronavirus and the complications thereof and the use of the drug, and specifically the use of an agent in the preparation of a drug for treating severe acute respiratory syndrome caused by coronavirus and the complications thereof. The above-mentioned agent is at least one of hyaluronic acid synthesis inhibitor, hyaluronidase, hyaluronidase inhibitor, hyaluronic acid receptor inhibitor, and anticoagulant.
    Type: Application
    Filed: November 4, 2021
    Publication date: May 4, 2023
    Applicants: SHANGHAI PUBLIC HEALTH CLINICAL CENTER, Shanghai Yizhe Biotechnology Co., Ltd.
    Inventors: Wenqiang YU, Zhenyan LI, Jianqing XU, Wei LI, Cheng LIAN
  • Publication number: 20230014722
    Abstract: The present invention provides PD-1 monoclonal antibodies, particularly human monoclonal antibodies of PD-1, which specifically bind to PD-1 with high affinity and comprise a heavy chain and a light chain. The present invention further provides nucleic acid sequence encoding the antibodies of the invention, cloning or expression vectors, host cells and methods for expressing or isolating the antibodies. Immunoconjugates, therapeutic compositions comprising the antibodies of the invention are also provided. The invention also provides methods for treating various cancers with anti-PD-1 antibodies.
    Type: Application
    Filed: June 29, 2022
    Publication date: January 19, 2023
    Inventors: Yong Zheng, Jing Li, Gennady Gololobov, Xinhua Zhang, Baotian Yang, Zhewei Tang, Dong Li, Jianqing Xu, Zhuozhi Wang
  • Publication number: 20230008090
    Abstract: Provided are bispecific antibodies against CD3 and EGFR, the nucleic acid molecules encoding the antibodies, expression vectors and host cells used for the expression of the antibodies. The antibodies provide a potent agent for the treatment of CD3-related and/or EGFR-related diseases via modulating immune functions.
    Type: Application
    Filed: November 27, 2020
    Publication date: January 12, 2023
    Inventors: Qin MEI, Zhuozhi WANG, Jing LI, Jianqing XU
  • Patent number: 11447746
    Abstract: The present invention relates to a method for inducing amplification of human type I NKT cells in vitro using a “specific stimulant+staged cytokine” mode, which consists of two culture stages, wherein the first culture stage focuses on specific amplification of the number of the type I NKT cells, in which a specific stimulant ?-GalCer is used to advantageously amplify the type I NKT cells and ?-GalCer-loaded CD1d-expressing cells are used to stimulate continuous proliferation of the type I NKT cells while adding cytokines IL-2 and IL-7 to assist growth of the type I NKT cells; and the second culture stage is to synchronously perform amplification of the number of the type I NKT cells and guide directed function differentiation, in which CD1d-expressing cells incubated with ?-GalCer continue to stimulate proliferation of the type I NKT cells while adding IL-2, IL-7 and IL-15 to assist amplification of the type I NKT cells and guide differentiation, and IL-12 is added to the culture system 1-2 days before the e
    Type: Grant
    Filed: November 1, 2017
    Date of Patent: September 20, 2022
    Assignee: Shanghai Innovative Chang'An Biological Technology Co., Ltd.
    Inventors: Jianqing Xu, Xiaoyan Zhang, Jing Wang, Lingyan Zhu
  • Publication number: 20220270348
    Abstract: A face recognition method includes: obtaining a first feature image that describes a face feature of a target face image and a first feature vector corresponding to the first feature image; obtaining a first feature value that represents a degree of difference between a face feature in the first feature image and that in the target face image; obtaining a similarity between the target face image and a template face image according to the first feature vector, the first feature value, and a second feature vector and a second feature value corresponding to a second feature image of the template face image, the second feature value describing a degree of difference between a face feature in the second feature image and that in the template face image; and determining, when the similarity is greater than a preset threshold, that the target face image matches the template face image.
    Type: Application
    Filed: May 13, 2022
    Publication date: August 25, 2022
    Inventors: Jianqing XU, Pengcheng SHEN, Shaoxin LI