Patents by Inventor Jeonghyeon Do

Jeonghyeon Do 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).

  • IRON-BASED ALLOY FOR POWDER INJECTION MOLDING
    Publication number: 20140227124
    Abstract: A ferrous alloy for powder injection molding is provided. The ferrous alloy for powder injection molding includes iron (Fe) at 52.59-78.15 wt %, chromium (Cr) at 16.45-37.34 wt %, boron (B) at 3.42-7.76 wt %, silicon (Si) at 1.64-1.92 wt %, sulfur (S) at 0-0.21 wt %, carbon (C) at 0.16-0.18 wt %, and other inevitable impurities.
    Type: Application
    Filed: April 20, 2012
    Publication date: August 14, 2014
    Applicant: POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Sung Hak Lee, Byeong-Joo Lee, Jeonghyeon Do, Yang Su Shin