Patents by Inventor Do Wan Lim

Do Wan Lim 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).

  • THERMOSETTING COMPOSITE RESIN COMPOSITION IMPROVED IN SURFACE SMOOTHNESS AND SURFACE QUALITY, AND METHOD FOR MANUFACTURING MOLDED ARTICLE USING THE SAME
    Publication number: 20230082286
    Abstract: Disclosed are a composite resin composition containing a thermosetting resin including an unsaturated polyester resin and a saturated polyester resin, a filler, and a processability-improving agent. More particularly, disclosed are a composite resin composition that is capable of providing a molded article having a lower specific gravity and improved surface quality compared to a conventional molded article by improving the compatibility and impregnability of a thermosetting resin and a filler using a processability-improving agent, and a molded article manufactured using the same.
    Type: Application
    Filed: September 7, 2022
    Publication date: March 16, 2023
    Inventors: Kyung Min Yu, Do Wan Lim, Gyu Nyeon Kim, Hyeon Kyu Lee
  • Vehicle body structure
    Patent number: 11286003
    Abstract: A vehicle body structure includes a space frame, a roof side bracket fastened to a roof side part of the space frame, a roof matching part provided on an upper side of the roof side bracket, and a roof panel, wherein a lower side of the roof panel is supported by the roof matching part.
    Type: Grant
    Filed: August 10, 2020
    Date of Patent: March 29, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Hanwha Solutions Cornoration
    Inventors: Hyun Cheol Yun, Do Wan Lim
  • Vehicle Body Structure
    Publication number: 20210171116
    Abstract: A vehicle body structure includes a space frame, a roof side bracket fastened to a roof side part of the space frame, a roof matching part provided on an upper side of the roof side bracket, and a roof panel, wherein a lower side of the roof panel is supported by the roof matching part.
    Type: Application
    Filed: August 10, 2020
    Publication date: June 10, 2021
    Inventors: Hyun Cheol Yun, Do Wan Lim
  • Bumper back-beam for vehicles
    Patent number: 9630579
    Abstract: A bumper back-beam for a vehicle is provided. The bumper back beam includes a glass fiber mat reinforced plastic composite and a carbon fiber reinforced plastic composite disposed within the glass fiber reinforced plastic composite. The glass fiber mat reinforced plastic composite includes polypropylene at about 45 to 60 wt. %, glass fiber at about 35 to 45 wt. %, a crosslink agent at about 0.1 to 10 wt. %, peroxide at 0.1 to 4 wt. %, and an antioxidant at about 0.1 to 4 wt. %. The carbon fiber reinforced plastic composite includes a thermoplastic resin at about 40 to 60 wt. % and a carbon reinforced fiber at about 40 to 60 wt. % arranged in a predetermined direction.
    Type: Grant
    Filed: June 9, 2015
    Date of Patent: April 25, 2017
    Assignees: Hyundai Motor Company, Hanwha Advanced Materials Corporation
    Inventors: Sang Sun Park, Sung Ki Shin, Kieyoun Jeong, Seok Hwan Kim, Do Wan Lim, Joung Myung Lim, Ji Hwan Choi
  • BUMPER BACK-BEAM FOR VEHICLES
    Publication number: 20160272136
    Abstract: A bumper back-beam for a vehicle is provided. The bumper back beam includes a glass fiber mat reinforced plastic composite and a carbon fiber reinforced plastic composite disposed within the glass fiber reinforced plastic composite. The glass fiber mat reinforced plastic composite includes polypropylene at about 45 to 60 wt. %, glass fiber at about 35 to 45 wt. %, a crosslink agent at about 0.1 to 10 wt. %, peroxide at 0.1 to 4 wt. %, and an antioxidant at about 0.1 to 4 wt. %. The carbon fiber reinforced plastic composite includes a thermoplastic resin at about 40 to 60 wt. % and a carbon reinforced fiber at about 40 to 60 wt. % arranged in a predetermined direction.
    Type: Application
    Filed: June 9, 2015
    Publication date: September 22, 2016
    Inventors: Sang Sun Park, Sung Ki Shin, Kieyoun Jeong, Seok Hwan Kim, Do Wan Lim, Joung Myung Lim, Ji Hwan Choi