Patents by Inventor Dong In Jang

Dong In Jang 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 for manufacturing desulfurizing agent
    Patent number: 8668762
    Abstract: The present invention relates to a desulfurizing agent of improved oxidation resistance, ignition resistance and productivity, and a method for manufacturing the desulfurizing agent. The desulfurizing agent may include a plurality of magnesium-aluminum alloy grains with grain boundaries, and a compound of one selected from consisting of magnesium and aluminum and one selected from consisting of alkaline metal and alkaline earth metal, the compound exists in the grain boundaries and is not inside but outside of the magnesium-aluminum alloy grains.
    Type: Grant
    Filed: December 6, 2012
    Date of Patent: March 11, 2014
    Assignee: Korea Institute of Industrial Technology
    Inventors: Shea Kwang Kim, Jung Ho Seo, Dong In Jang
  • FORMING DEVICE FOR THIXOEXTRUSION AND METHOD THEREOF
    Publication number: 20140060140
    Abstract: According to the apparatus and method, metals can be molded under a low extrusion pressure, the life of the apparatus is prolonged, the strength of the metal products is improved, the ignition of the metals is inhibited during processing, the amount of a protective gas used is reduced, and the formation of welding lines is inhibited.
    Type: Application
    Filed: October 17, 2013
    Publication date: March 6, 2014
    Applicant: Korea Institute of Industrial Technology
    Inventors: Shea Kwang Kim, Young Ok Yoon, Dong In Jang
  • Forming device for thixoextrusion and method thereof
    Patent number: 8650927
    Abstract: According to the apparatus and method, metals can be molded under a low extrusion pressure, the life of the apparatus is prolonged, the strength of the metal products is improved, the ignition of the metals is inhibited during processing, the amount of a protective gas used is reduced, and the formation of welding lines is inhibited.
    Type: Grant
    Filed: October 17, 2013
    Date of Patent: February 18, 2014
    Assignee: Korea Institute of Industrial Technology
    Inventors: Shea Kwang Kim, Young Ok Yoon, Dong In Jang
  • Forming device for thixoextrusion and method thereof
    Patent number: 8584501
    Abstract: According to the apparatus and method, metals can be molded under a low extrusion pressure, the life of the apparatus is prolonged, the streigth of the metal products is improved, the ignition of the metals is inhibited during processing, the amount of a protective gas used is reduced, and the formation of welding lines is inhibited.
    Type: Grant
    Filed: September 24, 2008
    Date of Patent: November 19, 2013
    Assignee: Korea Institute of Industrial Technology
    Inventors: Shea Kwang Kim, Young Ok Yoon, Dong In Jang
  • Desulfurizing agent and method for manufacturing the same
    Patent number: 8349050
    Abstract: The present invention relates to a desulfurizing agent of improved oxidation resistance, ignition resistance and productivity, and a method for manufacturing the desulfurizing agent. The desulfurizing agent may include a plurality of magnesium-aluminum alloy grains with grain boundaries, and a compound of one selected from consisting of magnesium and aluminum and one selected from consisting of alkaline metal and alkaline earth metal, the compound exists in the grain boundaries and is not inside but outside of the magnesium-aluminum alloy grains.
    Type: Grant
    Filed: September 30, 2009
    Date of Patent: January 8, 2013
    Assignee: Korea Institute of Industrial Technology
    Inventors: Shea Kwang Kim, Jung Ho Seo, Dong In Jang
  • DESULFURIZING AGENT AND METHOD FOR MANUFACTURING THE SAME
    Publication number: 20110067526
    Abstract: Disclosed is a desulfurizing agent of improved oxidation resistance, ignition resistance and productivity, and a method for manufacturing the desulfurizing agent. The desulfurizing agent may include a plurality of magnesium-aluminum alloy grains with grain boundaries, and a compound of one selected from consisting of magnesium and aluminum and one selected from consisting of alkaline metal and alkaline earth metal, the compound existing in the grain boundaries which are not inside but outside of the magnesium-aluminum alloy grains.
    Type: Application
    Filed: September 30, 2009
    Publication date: March 24, 2011
    Inventors: Shea Kwang Kim, Jung Ho Seo, Dong In Jang
  • FORMING DEVICE FOR THIXOEXTRUSION AND METHOD THEREOF
    Publication number: 20110041582
    Abstract: Thixoextrusion molding apparatuses and methods are provided.
    Type: Application
    Filed: September 24, 2008
    Publication date: February 24, 2011
    Applicant: Korea Institute of Industrial Technology
    Inventors: Shea Kwang Kim, Young Ok Yoon, Dong In Jang