Patents by Inventor Choon-Ho Lee

Choon-Ho 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: 11932315
    Abstract: A freight vehicle on which a drone is docked, may include: a transfer device provided in the vehicle and configured to move up and down between an internal space of the vehicle and a roof to receive freight from the drone through the roof of the vehicle or transfer freight to the drone; and a loadspace separated, as a portion of the internal space of the vehicle, from a space where the transfer device is provided and including an open portion formed on a side or a rear of the vehicle, and onto which the freight is loaded.
    Type: Grant
    Filed: August 24, 2022
    Date of Patent: March 19, 2024
    Assignees: Hyundai Motor Company, Kia Corporation, Yong San Co., Ltd.
    Inventors: Jin Ho Hwang, Sang Heon Lee, Dong Eun Cha, Choon Taik Kim, Sang Hoon Lee, Hong Kwon Moon
  • Patent number: 11773260
    Abstract: A thermoplastic resin composition includes base resin, which includes a polycarbonate resin and an acrylonitrile-butadiene-styrene (ABS) resin, and an additive. The ABS resin includes a rubber-modified vinyl-based graft copolymer resin, an aromatic vinyl-vinyl cyanide-based copolymer resin. The polycarbonate resin has a weight-average molecular weight of 20,000 g/mol to 40,000 g/mol, and the rubber-modified vinyl-based graft copolymer resin comprises 50 wt % to 60 wt % of polybutadiene rubber based on a total wt % of the thermoplastic resin composition.
    Type: Grant
    Filed: October 19, 2021
    Date of Patent: October 3, 2023
    Assignees: Hyundai Motor Company, Kia Corporation, Lotte Chemical Corporation
    Inventors: Woo Chul Jung, Jun Ho Song, Choon Soo Lee, Choon Ho Lee, Kyoung Ju Kim, Young Seung Kim, Young Hyo Kim, Hyun Uk Jeon
  • Publication number: 20230167294
    Abstract: A thermoplastic resin composition contains a styrene-methyl methacrylate-butyl acrylate copolymer and thus exhibits improved blackness and scratch resistance, and a molded article including the same.
    Type: Application
    Filed: November 28, 2022
    Publication date: June 1, 2023
    Inventors: Min Jin Choi, Choon Ho Lee, Jin Sol Park, Myeung Il Kim
  • Publication number: 20220135794
    Abstract: A thermoplastic resin composition includes base resin, which includes a polycarbonate resin and an acrylonitrile-butadiene-styrene (ABS) resin, and an additive. The ABS resin includes a rubber-modified vinyl-based graft copolymer resin, an aromatic vinyl-vinyl cyanide-based copolymer resin. The polycarbonate resin has a weight-average molecular weight of 20,000 g/mol to 40,000 g/mol, and the rubber-modified vinyl-based graft copolymer resin comprises 50 wt % to 60 wt % of polybutadiene rubber based on a total wt % of the thermoplastic resin composition.
    Type: Application
    Filed: October 19, 2021
    Publication date: May 5, 2022
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, LOTTE CHEMICAL CORPORATION
    Inventors: Woo Chul Jung, Jun Ho Song, Choon Soo Lee, Choon Ho Lee, Kyoung Ju Kim, Young Seung Kim, Young Hyo Kim, Hyun Uk Jeon
  • Patent number: 9346078
    Abstract: A mask frame assembly for thin film deposition includes a mask frame having an opening, and a mask configured to be coupled to the mask frame and including a first surface for facing a deposition substrate, a second surface opposite the first surface, and a deformation prevention part having varying thicknesses.
    Type: Grant
    Filed: August 13, 2013
    Date of Patent: May 24, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yoon-Chan Oh, Choon-Ho Lee
  • Publication number: 20140150721
    Abstract: A mask frame assembly for thin film deposition includes a mask frame having an opening, and a mask configured to be coupled to the mask frame and including a first surface for facing a deposition substrate, a second surface opposite the first surface, and a deformation prevention part having varying thicknesses.
    Type: Application
    Filed: August 13, 2013
    Publication date: June 5, 2014
    Applicant: Samsung Display Co., LTD.
    Inventors: Yoon-Chan Oh, Choon-Ho Lee
  • Publication number: 20100297349
    Abstract: A thin film deposition apparatus used to produce large substrates on a mass scale and improve manufacturing yield. The thin film deposition apparatus includes a deposition source; a first nozzle disposed at a side of the deposition source and including a plurality of first slits arranged in a first direction; a second nozzle disposed opposite to the first nozzle and including a plurality of second slits arranged in the first direction; and a barrier wall assembly including a plurality of barrier walls arranged in the first direction so as to partition a space between the first nozzle and the second nozzle.
    Type: Application
    Filed: May 21, 2010
    Publication date: November 25, 2010
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Choon-Ho LEE, Jung-Min Lee
  • Publication number: 20090159883
    Abstract: A test pattern for a semiconductor device and a method for forming the test pattern that can determine the degree of over etching of contact holes and obviate the need to perform a physical analysis using SEM, FIB or the like after the wafer is destroyed.
    Type: Application
    Filed: December 14, 2008
    Publication date: June 25, 2009
    Inventor: Choon-Ho Lee