Patents by Inventor Yong-sung Kim

Yong-sung Kim 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: 20230416380
    Abstract: A humanized antibody or antigen-binding fragment thereof that binds to the human IL-5 receptor alpha subunit (IL-5R?), which is a receptor of human interleukin-5 (IL-5); a nucleic acid encoding the antibody or antigen-binding fragment thereof; a vector containing the nucleic acid; and a cell transformed with the vector are disclosed. A method for producing the antibody or antigen-binding fragment thereof; a conjugate containing the antibody or antigen-binding fragment thereof; a bispecific or multispecific antibody containing the antibody or antigen-binding fragment thereof; and a composition thereof are disclosed. Also disclosed are methods for preventing or treating an allergic disease, an inflammatory disease and/or a disease caused by an increase in eosinophils; and for diagnosis of allergic diseases, inflammatory diseases, and/or diseases caused by an increase in eosinophils.
    Type: Application
    Filed: September 10, 2021
    Publication date: December 28, 2023
    Applicant: AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Yong Sung KIM, Hae-Sim PARK, Jung Eun KIM, Keunok JUNG, Dong-Hyun LEE
  • Publication number: 20230357415
    Abstract: An IL-4R?Ă—IL-5R? bispecific antibody that simultaneously binds to interleukin (IL)-4 receptor a (IL-4R?, CD124) and IL-5 receptor a (IL-5R?, CD125) is provided. A multispecific antibody including the bispecific antibody, a nucleic acid encoding the bispecific antibody or multispecific antibody, a vector including the nucleic acid, and cells transformed by the vector are disclosed. Additionally, a method for producing the bispecific antibody and therapeutic uses of the multispecific antibody in preventing or treating allergic diseases, inflammatory diseases, and eosinophilic diseases associated with IL-4, IL-13 and/or IL-5 are disclosed.
    Type: Application
    Filed: September 10, 2021
    Publication date: November 9, 2023
    Applicant: AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Yong Sung KIM, Hae-Sim PARK, Jung Eun KIM, Keunok JUNG, Dong-Hyun LEE
  • Patent number: 11738064
    Abstract: The present invention relates to a pharmaceutical composition comprising, as an active ingredient, a fusion protein in which a tissue-penetrating peptide is fused to an anti-vascular endothelial growth factor agent, methods of treating eye diseases with the pharmaceutical composition, and a method for preparing an anti-VEGF agent with an improved efficacy and ability to overcome resistance.
    Type: Grant
    Filed: March 17, 2021
    Date of Patent: August 29, 2023
    Assignee: ILDONG PHARM CO., LTD.
    Inventors: Seong Beom Kim, Hyei Yoon Jung, Seok Woo Yang, Hyuk Sang Kwon, Jae-Hoon Kang, Yong-Sung Kim
  • Publication number: 20230257422
    Abstract: The present invention relates to methods of overcoming the resistance to an EGFR (Epidermal Growth Factor Receptor)-targeting antibody through a peptide that binds specifically to neuropilin-1 (NRP1). The NRP1-specific binding-fused EGFR-targeting antibody according to the present invention is highly effective in the treatment of various tumors resistant to EGFR-targeting antibody alone.
    Type: Application
    Filed: December 12, 2022
    Publication date: August 17, 2023
    Inventors: Yong Sung KIM, Ye Jin KIM, Hojuhn SONG
  • Patent number: 11692019
    Abstract: The present invention relates to a heterodimeric Fc-fused protein comprising a first Fc region and a second Fc region of an immunoglobulin Fc pair and a physiologically active protein composed of two or more different subunits, wherein one or more subunits of the physiologically active protein are linked separately to one or more ends of the N-terminus or C-terminus of the first Fc region and/or the second Fc region, and CH3 domains of the first Fc region and the second Fc region are mutated so as to promote the heterodimeric Fc formation. Moreover, the present invention relates to a pharmaceutical composition comprising the heterodimeric Fc-fused protein.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: July 4, 2023
    Assignee: Ajou University Industry-Academic Cooperation Foundation
    Inventors: Yong Sung Kim, Keunok Jung, Ji Hee Ha, Dong Ki Choi, Hye Ji Choi, Ye Jin Kim
  • Publication number: 20230076637
    Abstract: The present invention relates to: a composition for delivering a viral antigen-derived CD8+ T cell antigen epitope or a peptide comprising same to the cytoplasm of a target cell to thereby present the epitope or peptide to major histocompatibility complex class I (MHC-1), which is an antigen-presenting molecule on the cell surface; a composition comprising same; and a use thereof.
    Type: Application
    Filed: February 5, 2021
    Publication date: March 9, 2023
    Applicant: AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Yong Sung KIM, Jeong-Ah KIM, Keunok JUNG, Seyoung LEE, Min-Jeong SON
  • Publication number: 20230045418
    Abstract: A TCR-like antibody or an antigen-binding fragment thereof, the antibody binding to and having specific and improved affinity to an MHC-I molecule, particularly a CMV pp65 peptide complex (CMVP495-503/HLA-A*02:01) presented by HLA-A*02 are disclosed. A nucleic acid for coding the TCR-like antibody or the antigen-binding fragment thereof; an expression vector containing the nucleic acid; a cell transformed to the expression vector; a method for producing same; a composition containing a T cell for expressing the antibody or the antigen-binding fragment thereof as a chimeric antigen receptor; uses of the composition in preventing or treating cancer or an infectious disease; uses of the composition in diagnosis; methods for preventing and/or treating cancer or infectious diseases; and methods for diagnosing are disclosed.
    Type: Application
    Filed: November 27, 2020
    Publication date: February 9, 2023
    Applicant: AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Yong Sung KIM, Seyoung LEE
  • Patent number: 11548915
    Abstract: The present invention relates to methods of overcoming the resistance to an EGFR (Epidermal Growth Factor Receptor)-targeting antibody through a peptide that binds specifically to neuropilin-1 (NRP1). Moreover, the present invention relates to a fusion antibody in which a peptide that binds specifically to NRP1 is fused to an EGFR-targeting antibody, and to a composition of overcoming the resistance to an EGFR-targeting antibody alone by co-administration of the EGFR-targeting antibody and an NRP1-binding peptide-fused Fc. In addition, the fusion antibody according to the present invention, in which the NRP1-specific binding peptide is fused to an EGFR-targeting antibody, overcomes the resistance to the EGFR-targeting antibody alone in pancreatic cancer. Furthermore, the fusion antibody, in which the NRP1-specific binding peptide is fused to the EGFR-targeting antibody, also overcomes resistance to the EGFR-targeting antibody alone even in lung cancer.
    Type: Grant
    Filed: March 28, 2017
    Date of Patent: January 10, 2023
    Assignee: Pinetree Therapeutics, Inc.
    Inventors: Yong Sung Kim, Ye Jin Kim
  • Patent number: 11459367
    Abstract: A heterodimeric Fc-fused protein and a pharmaceutical composition comprising the heterodimeric Fc-fused protein are disclosed. The heterodimeric Fc-fused protein includes first and second Fc regions of an immunoglobulin heavy chain constant region (Fc) pair and in which IL-21 is bound to at least one of the N-terminus or the C-terminus of the first Fc region and/or the second Fc region, wherein CH3 domains of the first Fc region and the second Fc region are mutated such that the formation of a heterodimer is promoted. When the heterodimeric Fc-fused protein is used, an in vivo half-life of IL-21 included in the heterodimeric Fc-fused protein may be significantly increased.
    Type: Grant
    Filed: September 9, 2020
    Date of Patent: October 4, 2022
    Assignees: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION, AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Kyung-Mi Lee, Seon Ah Lim, Yong Sung Kim, Ye Jin Kim
  • Publication number: 20220298220
    Abstract: A peptide that binds specifically to neuropilin-1 (NRP1) without binding to neuropilin-2 (NRP2) is provided. A fusion protein, a fusion antibody, small-molecule drug, a nanoparticle, or a liposome, which comprises the peptide, and a pharmaceutical composition for treating or preventing cancer or angiogenesis-related diseases, and a composition for diagnosing cancer or angiogenesis-related diseases are provided. A polynucleotide encoding the peptide that binds specifically to NRP1 and a method for screening the peptide that binds specifically to NRP1 are provided. An antibody heavy-chain constant region Fc-fused peptide binding specifically to NRP1 has the property of binding specifically to NRP1, and thus when it is administered in vivo, it accumulates selectively in tumor tissue, and widens the intercellular space between tumor-associated endothelial cells to promote its extravasation and increases its tumor tissue penetration.
    Type: Application
    Filed: May 27, 2022
    Publication date: September 22, 2022
    Inventors: Yong Sung Kim, Ye Jin Kim
  • Patent number: 11413648
    Abstract: Provided is a slot die with variable manifolds and a controlling method thereof.
    Type: Grant
    Filed: March 9, 2018
    Date of Patent: August 16, 2022
    Assignee: SUNG AN MACHINERY CO., LTD.
    Inventors: Yong Sung Kim, Jin Woo Seong, Young Jin Kim
  • Publication number: 20220213556
    Abstract: A method for analyzing the methylation level of a specific CpG site in genomic DNA and a composition suitable to use in the method are provided. The method and composition can provide information useful for diagnosing thyroid cancer or determining the prognosis of patients with thyroid cancer. By using the method and the composition, thyroid cancer can be easily and accurately diagnosed from biological samples at a low cost.
    Type: Application
    Filed: March 26, 2020
    Publication date: July 7, 2022
    Applicants: THE CATHOLIC UNIVERSITY OF KOREA INDUSTRY-ACADEMIC COOPERATION FOUNDATION, KOREA RESEARCH INSTITUTE OF BIOSCIENCE AND BIOTECHNOLOGY
    Inventors: Chan Kwon JUNG, Yong Sung KIM, Jong Lyul PARK
  • Publication number: 20220162342
    Abstract: Disclosed are a CH3 domain variant pair of an antibody, a method for preparing same, and a use thereof. A mutation is induced in the CH3 domain so as to improve a yield of forming a heterodimer heavy chain constant region of an antibody. The CH3 domain heterodimer forms a heterodimer heavy chain constant region with a high efficiency of 90 to 95% or more and also has outstanding heat stability. A heterodimer heavy chain constant region including the CH3 domain heterodimer can construct a bispecific monoclonal antibody which simultaneously recognizes two kinds of antigens. The CH3 domain heterodimer and the bispecific antibody or fusion protein of an antibody constant region comprising same can be usefully applied to the treatment or prevention of a disease associated with a target antigen or a target protein.
    Type: Application
    Filed: November 3, 2021
    Publication date: May 26, 2022
    Inventors: Yong Sung Kim, Hye Ji Choi, Eun Sil Sung
  • Patent number: 11291722
    Abstract: The present invention relates to a vaccine composition comprising cyclic peptides of the present invention, antibodies to cyclic peptides, or an anticancer composition comprising them, and the vaccine composition of the present invention exhibit an inhibitory activity for metastasis of cancer. In addition, the antibodies of the present invention bind to the tumor-specific antigen TM4SF5 with high affinity, and significantly inhibit the growth, metastasis and invasion of cancer cells expressing the tumor-specific antigen TM4SF5, and thus can be used for diagnosis, prevention or treatment of various cancers expressing TM4SF5.
    Type: Grant
    Filed: July 11, 2017
    Date of Patent: April 5, 2022
    Assignee: INDUSTRY ACADEMIC COOPERATION FOUNDATION HALLYM UNIVERSITY
    Inventors: Hyung Joo Kwon, Yong Sung Kim
  • Patent number: 11286311
    Abstract: Disclosed are a CH3 domain variant pair of an antibody, a method for preparing same, and a use thereof. A mutation is induced in the CH3 domain so as to improve a yield of forming a heterodimer heavy chain constant region of an antibody. The CH3 domain heterodimer forms a heterodimer heavy chain constant region with a high efficiency of 90 to 95% or more and also has outstanding heat stability. A heterodimer heavy chain constant region including the CH3 domain heterodimer can construct a bispecific monoclonal antibody which simultaneously recognizes two kinds of antigens. The CH3 domain heterodimer and the bispecific antibody or fusion protein of an antibody constant region comprising same can be usefully applied to the treatment or prevention of a disease associated with a target antigen or a target protein.
    Type: Grant
    Filed: April 3, 2018
    Date of Patent: March 29, 2022
    Assignee: Ajou University Industry-Academic Cooperation Foundation
    Inventors: Yong Sung Kim, Hye Ji Choi, Eun Sil Sung
  • Publication number: 20220041683
    Abstract: A peptide that binds specifically to neuropilin-1 (NRP1) without binding to neuropilin-2 (NRP2) is provided. A fusion protein, a fusion antibody, small-molecule drug, a nanoparticle, or a liposome, which comprises the peptide, and a pharmaceutical composition for treating or preventing cancer or angiogenesis-related diseases, and a composition for diagnosing cancer or angiogenesis-related diseases are provided. A polynucleotide encoding the peptide that binds specifically to NRP1 and a method for screening the peptide that binds specifically to NRP1 are provided. An antibody heavy-chain constant region Fc-fused peptide binding specifically to NRP1 has the property of binding specifically to NRP1, and thus when it is administered in vivo, it accumulates selectively in tumor tissue, and widens the intercellular space between tumor-associated endothelial cells to promote its extravasation and increases its tumor tissue penetration.
    Type: Application
    Filed: October 21, 2021
    Publication date: February 10, 2022
    Inventors: Yong Sung KIM, Ye Jin KIM
  • Publication number: 20210403580
    Abstract: An antibody or antigen-binding fragment thereof, which binds with a high pM-level affinity to a human IL-4 receptor alpha chain that is a human IL-4 receptor, is provided. The antibody or antigen-binding fragment has a different epitope and a different antigen dissociation rate than existing antibodies. A nucleic acid encoding the antibody or antigen-binding fragment thereof, a vector including the nucleic acid, a cell transformed with the vector, a method for producing the antibody or antigen-binding fragment thereof, a conjugate comprising the antibody or antigen-binding fragment thereof, a composition for preventing or treating inflammatory diseases, and a composition for diagnosing inflammatory diseases are disclosed.
    Type: Application
    Filed: November 7, 2019
    Publication date: December 30, 2021
    Applicant: Ajou University Industry-Academic Cooperation Foundation
    Inventors: Yong Sung KIM, Hae-Sim PARK, Jung Eun KIM, Keunok JUNG
  • Patent number: 11155641
    Abstract: The present disclosure relates to a cytosol-penetrating antibody and the use thereof, and more specifically to identification of a structural mechanism that induces escape from endosomes into the cytosol after cellular internalization into living cells through a cell membrane protein, a light-chain variable region and/or heavy-chain variable region, which is based on this identification and has a significantly improved ability to escape from endosomes into the cytosol, a cytosol-penetrating antibody comprising the same, a method for producing the same, and the use thereof.
    Type: Grant
    Filed: May 26, 2017
    Date of Patent: October 26, 2021
    Assignee: ORUM THERAPEUTICS INC.
    Inventors: Yong Sung Kim, Ji Sun Kim, Jae Yeong Park
  • Patent number: 11155639
    Abstract: A method for evaluating and screening a mutant inducing the high-efficiency formation of heterodimers from a human antibody heavy chain constant region mutant pair combination library in order to increase the yield of formation of human antibody heterodimeric heavy chain constant regions. A heterodimeric heavy chain constant region (heterodimeric F) library is obtained by the method. A CH3 domain mutant pair, in which the formation of the heterodimeric heavy chain constant regions is preferred in the library, forms heterodimeric heavy chain constant regions at a high yield of at least 80-90%, and also has excellent thermal stability and retains binding ability to the heavy chain constant region receptor (FcRn).
    Type: Grant
    Filed: October 12, 2016
    Date of Patent: October 26, 2021
    Assignee: AJOU UNIVERSITY INDUSTRY—ACADEMIC COOPERATION FOUNDATION
    Inventors: Yong Sung Kim, Hye Ji Choi, Ji Hee Ha
  • Publication number: 20210253657
    Abstract: A composition comprises, as an active ingredient, a fusion protein obtained by fusion of a tumor-penetrating peptide and an anti-angiogenic agent. The tumor-penetrating peptide comprises an amino acid sequence selected from the group consisting of SEQ ID NO: 5 to SEQ ID NO: 7.
    Type: Application
    Filed: May 3, 2021
    Publication date: August 19, 2021
    Inventors: Hyuk-Sang Kwon, Jong-Hee Ko, Young-Min Lee, Hyei-Yoon Jung, Seok-Woo Yang, Jae-Hoon Kang, Yong-Sung Kim