Patents by Inventor Sun Koo Kim

Sun Koo Kim 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).

  • High cleanliness molten steel production method and refining device
    Patent number: 9752202
    Abstract: Provided are a method and a refining device for producing molten steel of outstanding cleanliness, and more particularly provides a method and device for refining inclusions by forming droplets from molten steel and dropping same into slag during pre-processing in a continuous casting process in a steel-making process.
    Type: Grant
    Filed: May 13, 2013
    Date of Patent: September 5, 2017
    Assignee: POSCO
    Inventors: Ja Yong Choi, Seung Min Han, Sun Koo Kim, Hee Ho Lee, Sang Yuel Jung, Young Jong Seo
  • High Cleanliness Molten Steel Production Method and Refining Device
    Publication number: 20150122083
    Abstract: Provided are a method and a refining device for producing molten steel of outstanding cleanliness, and more particularly provides a method and device for refining inclusions by forming droplets from molten steel and dropping same into slag during pre-processing in a continuous casting process in a steel-making process.
    Type: Application
    Filed: May 13, 2013
    Publication date: May 7, 2015
    Applicant: POSCO
    Inventors: Ja Yong Choi, Seung Min Han, Sun Koo Kim, Hee Ho Lee, Sang Yuel Jung, Young Jong Seo