Patents by Inventor Sueng Chuel CHO

Sueng Chuel CHO 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).

  • METHOD OF PRODUCING SOFT MAGNETIC POWDER
    Publication number: 20180151294
    Abstract: Disclosed is a method of producing a soft magnetic powder including spraying gas or water into a pure iron bath to prepare a pure iron powder, surface-treating the pure iron powder by milling to increase surface stress of the pure iron powder and make the pure iron powder spherical, and subjecting the surface-treated pure iron powder to reducing thermal treatment to grow surface crystal grains of the pure iron powder and to prepare a soft magnetic powder.
    Type: Application
    Filed: July 18, 2017
    Publication date: May 31, 2018
    Applicants: Hyundai Motor Company, Kia Motors Corporation, Industry-University Cooperation Foundation Hanyang University ERICA Campus
    Inventors: Young Min Kim, Shin Gyu KIM, Jong Ryoul KIM, Moo Sung CHOI, Sueng Chuel CHO, Seung Jae JEONG, Sung Hoon LEE, Yong Ho CHOA