Patents by Inventor Yi Hyun Kim

Yi Hyun 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).

  • Positive electrode active material including single particles of lithium nickel composite transition metal oxide, method of preparing the same, and lithium secondary battery including the same
    Patent number: 11973209
    Abstract: A positive electrode active material for a secondary battery includes a lithium composite transition metal oxide including nickel (Ni), cobalt (Co), and manganese (Mn), wherein the lithium composite transition metal oxide has a layered crystal structure of space group R3m, includes the nickel (Ni) in an amount of 60 mol % or less based on a total amount of transition metals, includes the cobalt (Co) in an amount greater than an amount of the manganese (Mn), and is composed of single particles.
    Type: Grant
    Filed: June 7, 2019
    Date of Patent: April 30, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Eun Hee Lee, Seong Bae Kim, Young Su Park, Yi Rang Lim, Hong Kyu Park, Song Yi Yang, Byung Hyun Hwang, Woo Hyun Kim
  • NOVEL COMPOUNDS AS HISTONE DEACETYLASE 6 INHIBITOR, AND PHARMACEUTICAL COMPOSITION COMPRISING THE SAME
    Publication number: 20230257372
    Abstract: The present invention relates to a novel compound having a histone deacetylase 6 (HDAC6) inhibitory activity, stereoisomers thereof, pharmaceutically acceptable salts thereof, a use thereof in preparation of a medicament, a pharmaceutical composition comprising the same, a preventive or therapeutic method thereof, and a method for preparing novel 1,3,4-oxadiazole triazol derivative, wherein a novel compound having a selective HDAC6 inhibitory activity is represented by following formula (I).
    Type: Application
    Filed: July 13, 2021
    Publication date: August 17, 2023
    Inventors: Jae Kwang Lee, Jaeki Min, Jin Kyung In, Yi Hyun Kim, Bomi Jeon, Younghue Han, Hong Ju Yoon, Hyunjin Michael Kim