Patents by Inventor Jianxin Gu

Jianxin Gu 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: 12243242
    Abstract: A method includes: performing target detection on a current image to obtain detection information of a plurality of detected targets; obtaining position prediction information of each of a plurality of tracked targets and a number of times of tracking losses of targets from tracking information of each of the tracked targets, and determining a first matching threshold for each of the tracked targets according to the number of times of tracking losses of targets; calculating a motion matching degree between each of the tracked targets and each of the detected targets according to the position detection information and the position prediction information; for each of the tracked targets, obtaining a motion matching result according to the motion matching degree and the first matching threshold corresponding to the tracked target; and matching the detected targets and the tracked targets according to the motion matching results to obtain a tracking result.
    Type: Grant
    Filed: July 18, 2022
    Date of Patent: March 4, 2025
    Assignee: UBTECH ROBOTICS CORP LTD
    Inventors: Shuping Hu, Jun Cheng, Jingtao Zhang, Miaochen Guo, Dong Wang, Zaiwang Gu, Jianxin Pang
  • Publication number: 20240374699
    Abstract: The present invention relates to new immunogenic compositions comprising conjugated Streptococcus pneumoniae capsular saccharide antigens (glycoconjugates) and uses thereof. Immunogenic compositions of the present invention will typically comprise at least one glycoconjugate from a S. pneumoniae serotype not found in PREVNAR®, SYNFLORIX® and/or PREVNAR 13®. The invention also relates to vaccination of human subjects, in particular infants and elderly, against pneumococcal infections using said novel immunogenic compositions.
    Type: Application
    Filed: December 6, 2023
    Publication date: November 14, 2024
    Inventors: Emilio Anthony Emini, Wendy Jo Watson, Avvari Krishna Prasad, Mingming Han, Jin-Hwan Kim, Jianxin Gu, Yu-ying Yang, Rajesh Kumar Kainthan, David Cooper, Michael William Pride, Kathrin Ute Jansen
  • Patent number: 12128095
    Abstract: In one aspect, the invention relates to an immunogenic composition comprising modified O-polysaccharide molecules derived from E. coli lipopolysaccharides and conjugates thereof. Multivalent vaccines may be prepared by combining two or more monovalent immunogenic compositions for different E. coli serotypes. In one embodiment, the modified O-polysaccharide molecules are produced by a recombinant bacterium that includes a wzz gene.
    Type: Grant
    Filed: February 15, 2022
    Date of Patent: October 29, 2024
    Assignee: Pfizer Inc.
    Inventors: Robert G. K. Donald, Annaliesa Sybil Anderson, Laurent Oliver Chorro, Jianxin Gu, Jin-Hwan Kim, Srinivas Kodali, Jason Arnold Lotvin, Justin Keith Moran, Rosalind Pan, Avvari Krishna Prasad, Mark Edward Ruppen, Suddham Singh, Ling Chu, Scott Ellis Lomberk, Karen Kiyoko Takane, Nishith Merchant, Wei Chen
  • Publication number: 20240350608
    Abstract: The present invention relates to new immunogenic compositions comprising conjugated Streptococcus pneumoniae capsular saccharide antigens (glycoconjugates), kits comprising said immunogenic compositions and uses thereof. Immunogenic compositions of the present invention will typically comprise at least one glycoconjugate from a S. pneumoniae serotype not found in PREVNAR®, SYNFLORIX® and/or PREVNAR 13®. The invention also relates to vaccination of human subjects, in particular infants and elderly, against pneumococcal infections using said novel immunogenic compositions.
    Type: Application
    Filed: April 12, 2024
    Publication date: October 24, 2024
    Inventors: Bishwa Raj Bhetuwal, Kaushik Dutta, Jianxin Gu, Sunayana Kapil, Jin-Hwan Kim, Justin Keith Moran, Suddham Singh, YuYing Yang
  • Publication number: 20240181028
    Abstract: The present invention relates to new immunogenic compositions comprising conjugated Streptococcus pneumoniae capsular saccharide antigens (glycoconjugates) and uses thereof. Immunogenic compositions of the present invention will typically comprise at least one glycoconjugate from a S. pneumoniae serotype not found in Prevnar, Synflorix and/or Prevnar 13. The invention also relates to vaccination of human subjects, in particular infants and elderly, against pneumoccocal infections using said novel immunogenic compositions.
    Type: Application
    Filed: November 20, 2023
    Publication date: June 6, 2024
    Inventors: Catherine Alex, Annaliesa Sybil Anderson, Bishwa Raj Bhetuwal, Zecheng Chen, Kaushik Dutta, Caitlyn Gallagher, Jianxin Gu, Isis Kanevsky, Jin-Hwan Kim, Justin Keith Moran, Suddham Singh, Naveen Surendran, Abhishek Ravindra Vartak, YuYing Yang
  • Publication number: 20240033367
    Abstract: The present invention relates generally to glycoconjugates comprising a saccharide covalently conjugated to a carrier protein through a spacer containing ((2-oxoethyl)thio)). In an aspect the invention provides oxo-eT linked glycoconjugates comprising a saccharide covalently conjugated to a carrier protein through a ((2-oxoethyl)thio) spacer having the formula (I): wherein: A is a group (C?X)m wherein X is S or O and m is 0 or 1; B is a bond, O, or CH2; and when m is 0, B can also be (C?O); R is a C2-C16 alkylene, C2-C16 heteroakylene, NH—C(?O)—C2-C16 alkylene, or NH—C(?O)—C2-C16 heteroakylene, wherein said alkylene and heteroalkylene are optionally substituted by 1, 2 or 3 groups independently selected from COOR? where R? is selected from H, methyl, ethyl or propyl. The invention further relates to immunogenic compositions comprising such glycoconjugates, and to methods for the preparation and use of such glycoconjugates and immunogenic compositions.
    Type: Application
    Filed: June 6, 2023
    Publication date: February 1, 2024
    Inventors: Jianxin Gu, Rajesh Kumar Kainthan, Jin-Hwan Kim, Avvari Krishna Prasad, Yu-Ying Yang
  • Patent number: 11872274
    Abstract: The present invention relates to new immunogenic compositions comprising conjugated Streptococcus pneumoniae capsular saccharide antigens (glycoconjugates) and uses thereof. Immunogenic compositions of the present invention will typically comprise at least one glycoconjugate from a S. pneumoniae serotype not found in PREVNAR®, SYNFLORIX® and/or PREVNAR 13®. The invention also relates to vaccination of human subjects, in particular infants and elderly, against pneumococcal infections using said novel immunogenic compositions.
    Type: Grant
    Filed: March 6, 2021
    Date of Patent: January 16, 2024
    Assignee: Pfizer Inc.
    Inventors: Emilio Anthony Emini, Wendy Jo Watson, Avvari Krishna Prasad, Mingming Han, Jin-Hwan Kim, Jianxin Gu, Yu-Ying Yang, Rajesh Kumar Kainthan, David Cooper, Michael William Pride, Kathrin Ute Jansen
  • Publication number: 20230355735
    Abstract: The invention provides eTEC linked glycoconjugates comprising a saccharide covalently conjugated to a carrier protein through a (2-((2-oxoethyl)thio)ethyl)carbamate (eTEC) spacer, immunogenic compositions comprising such glycoconjugates, and methods for the preparation and use of such glycoconjugates and immunogenic compositions.
    Type: Application
    Filed: June 21, 2023
    Publication date: November 9, 2023
    Inventors: Jianxin Gu, Jin-hwan Kim, Avvari Krishna Prasad, Yu-ying Yang
  • Publication number: 20230346903
    Abstract: The invention relates to immunogenic polysaccharide-protein conjugates comprising a capsular polysaccharide (CP) from Streptococcus agalactiae, commonly referred to as group B streptococcus (GBS), and a carrier protein, wherein the CP is selected from the group consisting of serotypes Ia, Ib, II, III, IV, V, VI, VII, VIII, and IX, and wherein the CP has a sialic acid level of greater than about 60%. The invention also relates to methods of making the conjugates and immunogenic compositions comprising the conjugates. The invention also relates to immunogenic compositions comprising polysaccharide-protein conjugates, wherein the conjugates comprise a CP from GBS serotype IV and at least one additional serotype. The invention further relates to methods for inducing an immune response in subjects against GBS and/or for reducing or preventing invasive GBS disease in subjects using the compositions disclosed herein. The resulting antibodies can be used to treat or prevent GBS infection via passive immunotherapy.
    Type: Application
    Filed: December 1, 2022
    Publication date: November 2, 2023
    Applicant: Pfizer Inc.
    Inventors: Annaliesa Sybil Anderson, Amardeep Singh Bhupender Bhalla, Robert G.K. Donald, Jianxin Gu, Kathrin Ute Jansen, Rajesh Kumar Kainthan, Lakshmi Khandke, Jin-Hwan Kim, Paul Liberator, Avvari Krishna Prasad, Mark Edward Ruppen, Ingrid Lea Scully, Suddham Singh, Cindy Xudong Yang
  • Patent number: 11723965
    Abstract: The invention provides eTEC linked glycoconjugates comprising a saccharide covalently conjugated to a carrier protein through a (2-((2-oxoethyl)thio)ethyl)carbamate (eTEC) spacer, immunogenic compositions comprising such glycoconjugates, and methods for the preparation and use of such glycoconjugates and immunogenic compositions.
    Type: Grant
    Filed: August 5, 2021
    Date of Patent: August 15, 2023
    Assignee: Pfizer Inc.
    Inventors: Jianxin Gu, Jin-hwan Kim, Avvari Krishna Prasad, Yu-ying Yang
  • Patent number: 11707529
    Abstract: The present invention relates generally to glycoconjugates comprising a saccharide covalently conjugated to a carrier protein through a spacer containing ((2-oxoethyl)thio)). In an aspect the invention provides oxo-eT linked glycoconjugates comprising a saccharide covalently conjugated to a carrier protein through a ((2-oxoethyl)thio) spacer having the formula (I): wherein: A is a group (C?X)m wherein X is S or O and m is 0 or 1; B is a bond, O, or CH2; and when m is 0, B can also be (C?O); R is a C2-C16 alkylene, C2-C16 heteroakylene, NH—C(?O)—C2-C16 alkylene, or NH—C(?O)—C2-C16 heteroakylene, wherein said alkylene and heteroalkylene are optionally substituted by 1, 2 or 3 groups independently selected from COOR? where R? is selected from H, methyl, ethyl or propyl. The invention further relates to immunogenic compositions comprising such glycoconjugates, and to methods for the preparation and use of such glycoconjugates and immunogenic compositions.
    Type: Grant
    Filed: April 20, 2020
    Date of Patent: July 25, 2023
    Assignee: Pfizer Inc.
    Inventors: Jianxin Gu, Rajesh Kumar Kainthan, Jin-Hwan Kim, Avvari Krishna Prasad, Yu-Ying Yang
  • Publication number: 20230000966
    Abstract: In one aspect, the invention relates to a polypeptide derived from E. coli and a fragment thereof, including compositions and methods thereof. Also disclosed herein are compositions that include a polypeptide derived from E. coli and a fragment thereof; and modified O-polysaccharide molecules derived from E. coli lipopolysaccharides and conjugates thereof. In a further aspect, disclosed herein are mammalian host cells that include sequence(s) encoding a polypeptide derived from E. coli or fragments thereof.
    Type: Application
    Filed: October 28, 2020
    Publication date: January 5, 2023
    Inventors: Annaliesa Sybil Anderson, Ye Che, Wei Chen, Laurent Oliver Chorro, Ling Chu, Robert G.K. Donald, Matthew Curtis Griffor, Jianxin Gu, Zeqiang Guan, Jin-Hwan Kim, Srinivas Kodali, Scott Ellis Lomberk, Jason Arnold Lotvin, Nishith Merchant, Justin Keith Moran, Rosalind Pan, Avvari Krishna Prasad, Mark Edward Ruppen, Suddham Singh, David Robert Stead, Karen Kiyoko Takane
  • Publication number: 20220387576
    Abstract: The present invention relates to new conjugated capsular saccharide antigens (glycoconjugates), immunogenic compositions comprising said glycoconjugates and uses thereof.
    Type: Application
    Filed: May 25, 2022
    Publication date: December 8, 2022
    Inventors: Annaliesa Sybil Anderson, Caitlyn Gallagher, Jianxin Gu, Isis Kanevsky, Jin-Hwan Kim, Justin Keith Moran, Suddham Singh, Naveen Surendran
  • Publication number: 20220387613
    Abstract: The present invention relates to new conjugated capsular saccharide antigens (glycoconjugates), immunogenic compositions comprising said glycoconjugates and uses thereof.
    Type: Application
    Filed: May 25, 2022
    Publication date: December 8, 2022
    Inventors: Annaliesa Sybil Anderson, Caitlyn Gallagher, Jianxin Gu, Isis Kanevsky, Jin-Hwan Kim, Justin Keith Moran, Suddham Singh, Naveen Surendran
  • Publication number: 20220378897
    Abstract: The invention relates to activated Streptococcus pneumoniae serotype 10A, 22F or 33F polysaccharides and processes for their preparation. The invention also relates to immunogenic conjugates comprising Streptococcus pneumoniae serotype 10A, 22F or 33F polysaccharides covalently linked to a carrier protein, processes for their preparation and immunogenic compositions and vaccines comprising them.
    Type: Application
    Filed: July 22, 2022
    Publication date: December 1, 2022
    Applicant: Pfizer Inc.
    Inventors: Jianxin Gu, Rajesh Kumar Kainthan, Jin-Hwan Kim, Avvari Krishna Prasad, Yu-Ying Yang
  • Patent number: 11426456
    Abstract: The invention relates to activated Streptococcus pneumoniae serotype 10A, 22F or 33F polysaccharides and processes for their preparation. The invention also relates to immunogenic conjugates comprising Streptococcus pneumoniae serotype 10A, 22F or 33F polysaccharides covalently linked to a carrier protein, processes for their preparation and immunogenic compositions and vaccines comprising them.
    Type: Grant
    Filed: October 1, 2020
    Date of Patent: August 30, 2022
    Assignee: Pfizer Inc.
    Inventors: Jianxin Gu, Rajesh Kumar Kainthan, Jin-Hwan Kim, Avvari Krishna Prasad, Yu-Ying Yang
  • Publication number: 20220168410
    Abstract: In one aspect, the invention relates to an immunogenic composition comprising modified O-polysaccharide molecules derived from E. coli lipopolysaccharides and conjugates thereof. Multivalent vaccines may be prepared by combining two or more monovalent immunogenic compositions for different E. coli serotypes. In one embodiment, the modified O-polysaccharide molecules are produced by a recombinant bacterium that includes a wzz gene.
    Type: Application
    Filed: February 15, 2022
    Publication date: June 2, 2022
    Applicant: Pfizer Inc.
    Inventors: Robert G.K. Donald, Annaliesa Sybil Anderson, Laurent Oliver Chorro, Jianxin Gu, Jin-Hwan Kim, Srinivas Kodali, Jason Arnold Lotvin, Justin Keith Moran, Rosalind Pan, Avvari Krishna Prasad, Mark Edward Ruppen, Suddham Singh, Ling Chu, Scott Ellis Lomberk, Karen Kiyoko Takane, Nishith Merchant, Wei Chen
  • Publication number: 20220096619
    Abstract: The invention provides eTEC linked glycoconjugates comprising a saccharide covalently conjugated to a carrier protein through a (2-((2-oxoethyl)thio)ethyl)carbamate (eTEC) spacer, immunogenic compositions comprising such glycoconjugates, and methods for the preparation and use of such glycoconjugates and immunogenic compositions.
    Type: Application
    Filed: August 5, 2021
    Publication date: March 31, 2022
    Inventors: Jianxin Gu, Jin-hwan Kim, Avvari Krishna Prasad, Yu-ying Yang
  • Patent number: 11260119
    Abstract: In one aspect, the invention relates to an immunogenic composition comprising modified O-polysaccharide molecules derived from E. coli lipopolysaccharides and conjugates thereof. Multivalent vaccines may be prepared by combining two or more monovalent immunogenic compositions for different E. coli serotypes. In one embodiment, the modified O-polysaccharide molecules are produced by a recombinant bacterium that includes a wzz gene.
    Type: Grant
    Filed: August 7, 2019
    Date of Patent: March 1, 2022
    Assignee: Pfizer Inc.
    Inventors: Robert G. K. Donald, Annaliesa Sybil Anderson, Laurent Oliver Chorro, Jianxin Gu, Jin-Hwan Kim, Srinivas Kodali, Jason Arnold Lotvin, Justin Keith Moran, Rosalind Pan, Avvari Krishna Prasad, Mark Edward Ruppen, Suddham Singh, Ling Chu, Scott Ellis Lomberk, Karen Kiyoko Takane, Nishith Merchant, Wei Chen
  • Publication number: 20220016229
    Abstract: The present invention relates to new glycoconjugates comprising Streptococcus pneumoniae capsular saccharide antigens and uses thereof. Glycoconjugates of the present invention will typically comprise 2 or more saccharides antigens conjugated to the same molecule of the protein carrier. The invention also relates to vaccination of human subjects, in particular infants and elderly, against pneumoccocal infections using immunogenic compositions comprising said novel glycoconjugates.
    Type: Application
    Filed: December 9, 2019
    Publication date: January 20, 2022
    Applicant: Pfizer Inc.
    Inventors: Avvari Krishna Prasad, Jianxin Gu, Jin-Hwan Kim, Suddham Singh