Patents by Inventor Chulwon KWON

Chulwon KWON 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).

  • ANTIBODY-DRUG COMPLEX CONTAINING TOLL-LIKE RECEPTOR 7/8 DUAL AGONIST COMPOUND
    Publication number: 20250312471
    Abstract: A compound of formula (II), of a salt thereof: wherein X is S or NH, R1 is a lower alkyl or —CH2-isoxazoldiyl-CH3, when R1 is —CH2-isoxazoldiyl-CH3, then X is S, R2 is halogen or H, R3 is CH3 or H, and R40 is a group of formula (a1), (b1), or (c1).
    Type: Application
    Filed: May 15, 2025
    Publication date: October 9, 2025
    Applicant: ASTELLAS PHARMA INC.
    Inventors: Michinori AKAIWA, Yohei SEKI, Yinghua WANG, Javier Ramos MIGUELEZ, Kei OHNUKI, Takashi KAMIKUBO, Toru ASANO, Akio KAMIKAWA, Takashi CHAEN, Rika HOSHI, Shinji SOGA, Chulwon KWON
  • Antibody-drug complex containing toll-like receptor 7/8 dual agonist compound
    Patent number: 12390536
    Abstract: An antibody-drug conjugate of formula (I) or salt thereof of formula I: may have Ab as an anti-CLDN6 antibody or an antigen-binding fragment thereof.
    Type: Grant
    Filed: September 25, 2024
    Date of Patent: August 19, 2025
    Assignee: ASTELLAS PHARMA INC.
    Inventors: Michinori Akaiwa, Yohei Seki, Yinghua Wang, Javier Ramos Miguelez, Kei Ohnuki, Takashi Kamikubo, Toru Asano, Akio Kamikawa, Takashi Chaen, Rika Hoshi, Shinji Soga, Chulwon Kwon
  • ANTIBODY-DRUG COMPLEX CONTAINING TOLL-LIKE RECEPTOR 7/8 DUAL AGONIST COMPOUND
    Publication number: 20250025567
    Abstract: An antibody-drug conjugate of formula (I) or salt thereof of formula I: may have Ab as an anti-CLDN6 antibody or an antigen-binding fragment thereof.
    Type: Application
    Filed: September 25, 2024
    Publication date: January 23, 2025
    Applicant: ASTELLAS PHARMA INC.
    Inventors: Michinori AKAIWA, Yohei SEKI, Yinghua WANG, Javier Ramos MIGUELEZ, Kei OHNUKI, Takashi KAMIKUBO, Toru ASANO, Akio KAMIKAWA, Takashi CHAEN, Rika HOSHI, Shinji SOGA, Chulwon KWON