Patents by Inventor Jae-Woon HWANG

Jae-Woon HWANG 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).

  • Alloy steel in which carburization is prevented by processing load and method of manufacturing the same
    Patent number: 10590524
    Abstract: Provided herein is an alloy steel in which carburization is prevented by a processing load, the alloy steel including: about 0.13 to 0.25 wt % of carbon (C), about 0.6 to 1.5 wt % of silicon (Si), about 0.6 to 1.5 wt % of manganese (Mn), about 1.5 to 3.0 wt % of chromium (Cr), about 0.01 to 0.1 wt % of niobium (Nb), about 0.01 to 0.1 wt % of aluminum (Al), about 0.05 to 0.5 wt % of vanadium (V), the balance iron (Fe), and impurities, based on the total weight of the alloy steel.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: March 17, 2020
    Assignees: Hyundai Motor Company, Kia Motors Company
    Inventors: Jae-Hong Park, Min-Woo Kang, Jae-Woon Hwang, Hyun-Kyu Kim
  • ALLOY STEEL IN WHICH CARBURIZATION IS PREVENTED BY PROCESSING LOAD AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20180187295
    Abstract: Provided herein is an alloy steel in which carburization is prevented by a processing load, the alloy steel including: about 0.13 to 0.25 wt % of carbon (C), about 0.6 to 1.5 wt % of silicon (Si), about 0.6 to 1.5 wt % of manganese (Mn), about 1.5 to 3.0 wt % of chromium (Cr), about 0.01 to 0.1 wt % of niobium (Nb), about 0.01 to 0.1 wt % of aluminum (Al), about 0.05 to 0.5 wt % of vanadium (V), the balance iron (F), and impurities, based on the total weight of the alloy steel.
    Type: Application
    Filed: July 26, 2017
    Publication date: July 5, 2018
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Jae-Hong Park, Min-Woo KANG, Jae-Woon HWANG, Hyun-Kyu KIM