Patents by Inventor Pii-Yong Oh

Pii-Yong Oh 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).

  • NON-MAGNETIC HIGH MANGANESE STEEL SHEET WITH HIGH STRENGTH AND MANUFACTURING METHOD THEREOF
    Publication number: 20150211088
    Abstract: The present invention relates to a non-magnetic high manganese steel sheet with high-strength, which has superior strength and moldability, and at the same time, can obtain superior non-magnetic characteristics, and a method for manufacturing the same.
    Type: Application
    Filed: December 20, 2012
    Publication date: July 30, 2015
    Inventors: Sung-Kyu Kim, Kwang-Geun Chin, Pii-Yong Oh, Hyun-Gyu Hwang