Patents Assigned to DONGWOO HST CO., LTD.
  • Fuel cell separator and coating method for fuel cell separator
    Patent number: 10876203
    Abstract: A fuel cell separator includes a metal substrate having a surface; an ion penetration layer including carbon diffusion-inhibiting ions extending from the surface of the metal substrate into the metal substrate; and a carbon coating layer disposed on the surface of the metal substrate.
    Type: Grant
    Filed: May 8, 2019
    Date of Patent: December 29, 2020
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, DONGWOO HST CO., LTD.
    Inventors: Seungkoo Lee, Woong Pyo Hong, Bokyung Kim, Jungyeon Park, Seung Jeong Oh, In Woong Lyo, Su Jung Noh, Jun Seok Lee, Won Ki Chung, Seung Gyun Ahn
  • Separator for fuel cell and coating method thereof
    Patent number: 10818936
    Abstract: A separator for a fuel cell includes: a metal base material; and a carbon coating layer formed on one surface or both surfaces of the metal base material, in which roughness Ra formed at an interface between the metal base material and the carbon coating layer may be in a range of 20 to 78 nm.
    Type: Grant
    Filed: November 8, 2017
    Date of Patent: October 27, 2020
    Assignees: HYUNDAI MOTOR COMPANY, DONGWOO HST CO., LTD.
    Inventors: Bokyung Kim, Yoo Chang Yang, Woong Pyo Hong, Seungkoo Lee, Jungyeon Park, Su Jung Noh, Seung Jeong Oh, Daeil Yoon, In Woong Lyo, Kyungmin Kim
  • Method for coating surface of moving part of vehicle and moving part of vehicle manufactured by the same
    Patent number: 10737462
    Abstract: A method for coating a surface of a moving part of a vehicle may include a coating preparation process of disposing a screen having a plurality of meshes to be distanced from a surface of the moving part of the vehicle to be coated depending on a predetermined spaced distance; and a coating layer deposition process of forming a coating layer having a pattern having a shape in which a plurality of embossings corresponding to the mesh shape is repeated on the surface of the moving part of the vehicle by a vacuum deposition scheme and forming the coating layer so that the adjacent emboss is connected to each other.
    Type: Grant
    Filed: July 18, 2017
    Date of Patent: August 11, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation, DONGWOO HST CO., LTD.
    Inventors: Jeong Uk An, Won Ki Chung, Jun Seok Lee
  • Fuel cell separator and coating method of seperator for fuel cell separator
    Patent number: 10329665
    Abstract: A fuel cell separator includes a metal substrate having a surface; an ion penetration layer including carbon diffusion-inhibiting ions extending from the surface of the metal substrate into the metal substrate; and a carbon coating layer disposed on the surface of the metal substrate.
    Type: Grant
    Filed: December 14, 2016
    Date of Patent: June 25, 2019
    Assignees: HYUNDAI MOTOR COMPANY, DONGWOO HST CO., LTD.
    Inventors: Seungkoo Lee, Woong Pyo Hong, Bokyung Kim, Jungyeon Park, Seung Jeong Oh, In Woong Lyo, Su Jung Noh, Jun Seok Lee, Won Ki Chung, Seung Gyun Ahn
  • FUEL CELL SEPARATOR AND COATING METHOD OF SEPERATOR FOR FUEL CELL SEPARATOR
    Publication number: 20180112306
    Abstract: A fuel cell separator includes a metal substrate having a surface; an ion penetration layer including carbon diffusion-inhibiting ions extending from the surface of the metal substrate into the metal substrate; and a carbon coating layer disposed on the surface of the metal substrate.
    Type: Application
    Filed: December 14, 2016
    Publication date: April 26, 2018
    Applicants: HYUNDAI MOTOR COMPANY, Dongwoo HST Co., Ltd.
    Inventors: Seungkoo Lee, Woong Pyo Hong, Bokyung Kim, Jungyeon Park, Seung Jeong Oh, In Woong Lyo, Su Jung Noh, Jun Seok Lee, Won Ki Chung, Seung Gyun Ahn
  • METHOD FOR COATING SURFACE OF MOVING PART OF VEHICLE AND MOVING PART OF VEHICLE MANUFACTURED BY THE SAME
    Publication number: 20180056623
    Abstract: A method for coating a surface of a moving part of a vehicle may include a coating preparation process of disposing a screen having a plurality of meshes to be distanced from a surface of the moving part of the vehicle to be coated depending on a predetermined spaced distance; and a coating layer deposition process of forming a coating layer having a pattern having a shape in which a plurality of embossings corresponding to the mesh shape is repeated on the surface of the moving part of the vehicle by a vacuum deposition scheme and forming the coating layer so that the adjacent emboss is connected to each other.
    Type: Application
    Filed: July 18, 2017
    Publication date: March 1, 2018
    Applicants: Hyundai Motor Company, Kia Motors Corporation, DONGWOO HST CO., LTD.
    Inventors: Jeong Uk AN, Won Ki CHUNG, Jun Seok LEE