Patents by Inventor Keun-Hyung Lee

Keun-Hyung Lee 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: 11969397
    Abstract: The present invention relates to a composition for preventing or treating transplantation rejection or a transplantation rejection disease, comprising a novel compound and a calcineurin inhibitor. A co-administration of the present invention 1) reduces the activity of pathogenic Th1 cells or Th17 cells, 2) increases the activity of Treg cells, 3) has an inhibitory effect against side effects, such as tissue damage, occurring in the sole administration thereof, 4) inhibits various pathogenic pathways, 5) inhibits the cell death of inflammatory cells, and 6) increases the activity of mitochondria, in an in vivo or in vitro allogenic model, a transplantation rejection disease model, a skin transplantation model, and a liver-transplanted patient, and thus inhibits transplantation rejection along with mitigating side effects possibly occurring in the administration of a conventional immunosuppressant alone.
    Type: Grant
    Filed: November 7, 2019
    Date of Patent: April 30, 2024
    Assignee: THE CATHOLIC UNIVERSITY OF KOREA INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Mi-La Cho, Dong-Yun Shin, Jong-Young Choi, Chul-Woo Yang, Sung-Hwan Park, Seon-Yeong Lee, Min-Jung Park, Joo-Yeon Jhun, Se-Young Kim, Hyeon-Beom Seo, Jae-Yoon Ryu, Keun-Hyung Cho
  • Patent number: 11952490
    Abstract: The present disclosure relates to a polycarbonate resin composition, and more particularly, to a polycarbonate resin composition containing 90 wt % to 99 wt % of a polycarbonate resin, 0.3 wt % to 0.7 wt % of an anthraquinone-based black dye, and 0.2 wt % to 1.0 wt % of an acrylic polymeric chain extender, and a molded article containing the same.
    Type: Grant
    Filed: July 27, 2021
    Date of Patent: April 9, 2024
    Assignees: HYUNDAI MOBIS CO., LTD., LG CHEM, LTD.
    Inventors: Hyoung Taek Kang, Keun Hyung Lee, Young Min Kim, Moo Seok Lee, Myeung Il Kim, Jae Chan Park
  • Patent number: 11840764
    Abstract: The present disclosure relates to a laminate and a method for preparing the same. The laminate comprises a substrate, a coating layer, and a water-repellent layer sequentially laminated, the coating layer comprises a first coating layer and a second coating layer laminated one or more times alternately, the first coating layer comprises at least one metal oxide selected from a group consisting of a lanthanide metal oxide, a transition metal oxide, and a composite metal oxide comprising lanthanum metal and transition metal, the second coating layer comprises an alkaline earth metal fluoride and a transition metal oxide.
    Type: Grant
    Filed: January 6, 2022
    Date of Patent: December 12, 2023
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventors: Hyoung Taek Kang, Hyeon Don Kim, Keun Hyung Lee
  • Patent number: 11407892
    Abstract: The present disclosure is directed to a resin composition for a camera module having excellent laser transmittance and a camera module member produced using the same. In one embodiment, the resin composition for a camera module includes: 25 to 50 wt % of a polycarbonate resin; 5 to 30 wt % of a polycyclohexylenedimethylene terephthalate (PCT) resin; 30 to 50 wt % of a fibrous filler; and 0.001 to 5 wt % of a dye.
    Type: Grant
    Filed: September 8, 2020
    Date of Patent: August 9, 2022
    Assignees: HYUNDAI MOBIS CO., LTD., KOLON PLASTICS, INC.
    Inventors: Hyoung Taek Kang, Keun Hyung Lee, Hyeon Don Kim, Seong Hyeon Myeong, Gi Bong Chung
  • Publication number: 20220213602
    Abstract: The present disclosure relates to a laminate and a method for preparing the same. The laminate comprises a substrate, a coating layer, and a water-repellent layer sequentially laminated, the coating layer comprises a first coating layer and a second coating layer laminated one or more times alternately, the first coating layer comprises at least one metal oxide selected from a group consisting of a lanthanide metal oxide, a transition metal oxide, and a composite metal oxide comprising lanthanum metal and transition metal, the second coating layer comprises an alkaline earth metal fluoride and a transition metal oxide.
    Type: Application
    Filed: January 6, 2022
    Publication date: July 7, 2022
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventors: Hyoung Taek KANG, Hyeon Don KIM, Keun Hyung LEE
  • Publication number: 20220033651
    Abstract: The present disclosure relates to a polycarbonate resin composition, and more particularly, to a polycarbonate resin composition containing 90 wt % to 99 wt % of a polycarbonate resin, 0.3 wt % to 0.7 wt % of an anthraquinone-based black dye, and 0.2 wt % to 1.0 wt % of an acrylic polymeric chain extender, and a molded article containing the same.
    Type: Application
    Filed: July 27, 2021
    Publication date: February 3, 2022
    Inventors: Hyoung Taek KANG, Keun Hyung LEE, Young Min KIM, Moo Seok LEE, Myeung Il KIM, Jae Chan PARK
  • Patent number: 10982091
    Abstract: The present invention relates to a thermoplastic resin composition having excellent thermal stability and birefringence properties and to a molded article formed therefrom. In one embodiment, the thermoplastic resin composition includes: 100 parts by weight of a polycarbonate resin including a repeating unit represented by formula 1; about 0.2 parts by weight to about 15 parts by weight of an epoxy resin represented by formula 2; and about 1 part by weight to about 15 parts by weight of a phosphate-based compound, wherein formula 1 and formula 2 are as defined in the detailed description.
    Type: Grant
    Filed: August 21, 2018
    Date of Patent: April 20, 2021
    Assignees: HYUNDAI MOBIS CO., LTD., SAMYANG CORPORATION
    Inventors: Jae Joon Chang, Joung Hoon Lee, Hyun Jee Lee, Keun Hyung Lee, Jung Kyu Han, Tae Jin An, Nung Hyun Kim, Hyung Jin Roh
  • Publication number: 20210070985
    Abstract: The present disclosure is directed to a resin composition for a camera module having excellent laser transmittance and a camera module member produced using the same. In one embodiment, the resin composition for a camera module includes: 25 to 50 wt % of a polycarbonate resin; 5 to 30 wt % of a polycyclohexylenedimethylene terephthalate (PCT) resin; 30 to 50 wt % of a fibrous filler; and 0.001 to 5 wt % of a dye.
    Type: Application
    Filed: September 8, 2020
    Publication date: March 11, 2021
    Inventors: Hyoung Taek Kang, Keun Hyung Lee, Hyeon Don Kim, Seong Hyeon Myeong, Gi Bong Chung
  • Publication number: 20200399467
    Abstract: The present disclosure relates to a camera lens retainer for a vehicle. In one embodiment, the camera lens retainer for a vehicle is a camera lens retainer for a vehicle in which an inorganic filler is dispersed in a polyamide-based resin matrix, wherein the camera lens retainer includes about 30 wt % to about 60 wt % of a polyamide-based resin and about 40 wt % to about 70 wt % of an inorganic filler, wherein the polyamide-based resin includes one or more of: a first polyamide resin including an aliphatic polyamide resin obtained by ring-opening polymerization of a lactam-based monomer having 8 or more carbon atoms; and a second polyamide resin including an aromatic group-containing polyamide resin obtained by polycondensation of an aromatic dicarboxylic acid monomer and a diamine monomer.
    Type: Application
    Filed: June 10, 2020
    Publication date: December 24, 2020
    Inventors: Hyoung Taek KANG, Keun Hyung LEE
  • Publication number: 20190055401
    Abstract: The present invention relates to a thermoplastic resin composition having excellent thermal stability and birefringence properties and to a molded article formed therefrom. In one embodiment, the thermoplastic resin composition includes: 100 parts by weight of a polycarbonate resin including a repeating unit represented by formula 1; about 0.2 parts by weight to about 15 parts by weight of an epoxy resin represented by formula 2; and about 1 part by weight to about 15 parts by weight of a phosphate-based compound, wherein formula 1 and formula 2 are as defined in the detailed description.
    Type: Application
    Filed: August 21, 2018
    Publication date: February 21, 2019
    Inventors: Jae Joon CHANG, Joung Hoon LEE, Hyun Jee LEE, Keun Hyung LEE, Jung Kyu HAN, Tae Jin AN, Nung Hyun KIM, Hyung Jin ROH
  • Patent number: 9294246
    Abstract: A wireless communication method using a control channel between wireless communication devices including: exchanging profile information between a node and intermediate relay nodes therearound so as to allow the node to transmit/receive data to/from a destination node; determining, by the node, a first intermediate relay node using the profile information and determining a wireless communication mode with the first intermediate relay node; and transmitting/receiving data between the node and the first intermediate relay node by the determined wireless communication mode is provided.
    Type: Grant
    Filed: March 18, 2014
    Date of Patent: March 22, 2016
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Tae Joon Park, Keun Hyung Lee, Yong Sun Kim, Wun-Cheol Jeong, Chang Sub Shin, Juderk Park, Eun-Hee Kim, Hoyong Kang, Cheol Sig Pyo
  • Publication number: 20140286216
    Abstract: A wireless communication method using a control channel between wireless communication devices including: exchanging profile information between a node and intermediate relay nodes therearound so as to allow the node to transmit/receive data to/from a destination node; determining, by the node, a first intermediate relay node using the profile information and determining a wireless communication mode with the first intermediate relay node; and transmitting/receiving data between the node and the first intermediate relay node by the determined wireless communication mode is provided.
    Type: Application
    Filed: March 18, 2014
    Publication date: September 25, 2014
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Tae Joon PARK, Keun Hyung LEE, Yong Sun KIM, Wun-Cheol JEONG, Chang Sub SHIN, Juderk PARK, Eun-Hee KIM, Hoyong KANG, Cheol Sig PYO
  • Patent number: 8083983
    Abstract: A process to make a polyolefin fiber which has the following steps: mixing at least one polyolefin into a solution at room temperature or a slightly elevated temperature to form a polymer solution and electrospinning at room temperature said polymer solution to form a fiber.
    Type: Grant
    Filed: November 22, 2006
    Date of Patent: December 27, 2011
    Inventors: John F. Rabolt, Keun-Hyung Lee, Steven R. Givens
  • Publication number: 20100056007
    Abstract: A process to make a polyolefin fiber which has the following steps: mixing at least one polyolefin into a solution at room temperature or a slightly elevated temperature to form a polymer solution and electrospinning at room temperature said polymer solution to form a fiber.
    Type: Application
    Filed: November 22, 2006
    Publication date: March 4, 2010
    Inventors: John F. Rabolt, Keun-Hyung Lee, Steven R. Givens