Patents by Inventor Eun Sil SUNG

Eun Sil SUNG 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: 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: 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: 20180237541
    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: April 3, 2018
    Publication date: August 23, 2018
    Applicant: AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Yong Sung KIM, Hye Ji CHOI, Eun Sil SUNG
  • Patent number: 9975933
    Abstract: A tumor tissue-penetrating peptide specifically binding to neuropilin, or a fusion protein, a small molecule drug, a nanoparticle, or a liposome having the peptide fused therein is provided, as well as a method for preparing the same and a pharmaceutical composition comprising the same for treating, diagnosing, or preventing cancer or angiogenesis-related diseases. The tumor tissue-penetrating peptide is fused to the C-terminus of an anticancer antibody heavy-chain constant region (Fc) and the fused antibody specifically binds to neuropilin, and specifically accumulates in tumor tissue, widens intercellular gaps between tumor vascular endothelial cells, promotes extravasation, increases infiltration within tumor tissue, and shows a remarkably increased in vivo tumor-suppressing activity.
    Type: Grant
    Filed: May 22, 2014
    Date of Patent: May 22, 2018
    Assignee: AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Yong Sung Kim, Tae Hwan Shin, Yae Jin Kim, Eun Sil Sung
  • Patent number: 9951145
    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: November 27, 2013
    Date of Patent: April 24, 2018
    Assignee: AJOU UNIVERSITY INDUSTRY—ACADEMIC COOPERATION FOUNDATION
    Inventors: Yong Sung Kim, Hye Ji Choi, Eun Sil Sung
  • Publication number: 20160130315
    Abstract: A tumor tissue-penetrating peptide specifically binding to neuropilin, or a fusion protein, a small molecule drug, a nanoparticle, or a liposome having the peptide fused therein is provided, as well as a method for preparing the same and a pharmaceutical composition comprising the same for treating, diagnosing, or preventing cancer or angiogenesis-related diseases. The tumor tissue-penetrating peptide is fused to the C-terminus of an anticancer antibody heavy-chain constant region (Fc) and the fused antibody specifically binds to neuropilin, and specifically accumulates in tumor tissue, widens intercellular gaps between tumor vascular endothelial cells, promotes extravasation, increases infiltration within tumor tissue, and shows a remarkably increased in vivo tumor-suppressing activity.
    Type: Application
    Filed: May 22, 2014
    Publication date: May 12, 2016
    Applicant: AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Yong Sung KIM, Tae Hwan SHIN, Yae Jin KIM, Eun Sil SUNG
  • Publication number: 20150307628
    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 27, 2013
    Publication date: October 29, 2015
    Applicant: AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Yong Sung KIM, Hye Ji CHOI, Eun Sil SUNG