Patents by Inventor Young Ok Yoon

Young Ok Yoon 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).

  • Patent number: 11149332
    Abstract: An aluminum alloy including aluminum, about 6 to about 17.4 weight percent by weight magnesium, and at least one of chromium up to about 0.2 percent by weight, zirconium up to about 0.2 percent by weight and manganese up to about 0.3 percent by weight.
    Type: Grant
    Filed: April 15, 2017
    Date of Patent: October 19, 2021
    Assignees: The Boeing Company, Korea Institute of Industrial Technology
    Inventors: Donald S. Shih, Paul N. Wilson, Shae-Kwang Kim, Bong-Hwan Kim, Young-Ok Yoon
  • Patent number: 11098391
    Abstract: An aluminum alloy including aluminum, about 2.5 to about 17.4 weight percent by weight magnesium, about 50 to about 3000 ppm calcium, and at least one of chromium up to about 0.2 percent by weight, zirconium up to about 0.2 percent by weight and manganese up to about 0.3 percent by weight.
    Type: Grant
    Filed: April 15, 2017
    Date of Patent: August 24, 2021
    Assignees: The Boeing Company, Korea Institute of Industrial Technology
    Inventors: Donald S. Shih, Paul N. Wilson, Shae-Kwang Kim, Bong-Hwan Kim, Young-Ok Yoon
  • Publication number: 20180298473
    Abstract: An aluminum alloy including aluminum, about 2.5 to about 17.4 weight percent by weight magnesium, about 50 to about 3000 ppm calcium, and at least one of chromium up to about 0.2 percent by weight, zirconium up to about 0.2 percent by weight and manganese up to about 0.3 percent by weight.
    Type: Application
    Filed: April 15, 2017
    Publication date: October 18, 2018
    Applicants: The Boeing Company, Korea Institute of Industrial Technology
    Inventors: Donald S. Shih, Paul N. Wilson, Shae-Kwang Kim, Bong-Hwan Kim, Young-Ok Yoon
  • Publication number: 20180298478
    Abstract: An aluminum alloy including aluminum, about 6 to about 17.4 weight percent by weight magnesium, and at least one of chromium up to about 0.2 percent by weight, zirconium up to about 0.2 percent by weight and manganese up to about 0.3 percent by weight.
    Type: Application
    Filed: April 15, 2017
    Publication date: October 18, 2018
    Applicants: The Boeing Company, Korea Institute of Industrial Technology
    Inventors: Donald S. Shih, Paul N. Wilson, Shae-Kwang Kim, Bong-Hwan Kim, Young-Ok Yoon
  • Patent number: 9657377
    Abstract: Provided are an aluminum alloy and a production method thereof. In accordance with an embodiment, an aluminum-based mother material is melted to form a molten metal. An additive including silicon oxide is added to the molten metal. At least a portion of the silicon oxide is exhausted in the molten metal. The molten metal is cast.
    Type: Grant
    Filed: May 16, 2012
    Date of Patent: May 23, 2017
    Assignee: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Shae-Kwang Kim, Young-Ok Yoon, Jeong-Ho Seo
  • Patent number: 9657376
    Abstract: Provided are an aluminum alloy improving mechanical characteristics by allowing a magnesium-silicon compound to be distributed in an aluminum matrix without performing a heat treatment, and a production method thereof. In accordance with an aspect of the present disclosure, there is provided a method of producing an aluminum alloy, including: melting a magnesium mother alloy including a magnesium-silicon compound, and aluminum to form a molten metal; and casting the molten metal.
    Type: Grant
    Filed: May 16, 2012
    Date of Patent: May 23, 2017
    Assignee: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Shae-Kwang Kim, Young-Ok Yoon, Jeong-Ho Seo
  • Patent number: 9447482
    Abstract: The present invention relates to a magnesium-based alloy, and to a method for producing same. The method comprises the steps of: melting a magnesium alloy into a liquid state; adding a silicon compound to said molten magnesium alloy; exhausting the silicon compound through a full reaction between said molten magnesium alloy and said added silicon compound such that the silicon compound does not substantially remain in the magnesium alloy; and exhausting the silicon produced as a result of said exhaustion in the precious step such that the silicon may not substantially remain in said magnesium alloy.
    Type: Grant
    Filed: May 18, 2012
    Date of Patent: September 20, 2016
    Assignee: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Shae K. Kim, Young Ok Yoon, Jin Kyu Lee, Jung Ho Seo, Hyun Kyu Im
  • Patent number: 9080225
    Abstract: Provided are an aluminum alloy and a manufacturing method thereof. In the method, aluminum and a magnesium (Mg) master alloy containing a calcium (Ca)-based compound are provided. A melt is prepared, in which the Mg master alloy and the Al are melted. The aluminum alloy may be manufactured by casting the melt.
    Type: Grant
    Filed: November 18, 2010
    Date of Patent: July 14, 2015
    Assignee: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Shae-Kwang Kim, Jin-Kyu Lee, Min-Ho Choi, Young-Ok Yoon
  • Publication number: 20140202284
    Abstract: The present invention relates to a magnesium-based alloy, and to a method for producing same. The method comprises the steps of: melting a magnesium alloy into a liquid state; adding a silicon compound to said molten magnesium alloy; exhausting the silicon compound through a full reaction between said molten magnesium alloy and said added silicon compound such that the silicon compound does not substantially remain in the magnesium alloy; and exhausting the silicon produced as a result of said exhaustion in the precious step such that the silicon may not substantially remain in said magnesium alloy.
    Type: Application
    Filed: May 18, 2012
    Publication date: July 24, 2014
    Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Shae K. Kim, Young Ok Yoon, Jin Kyu Lee, Jung Ho Seo, Hyun Kyu Im
  • Publication number: 20140199205
    Abstract: Provided are an aluminum alloy and a production method thereof. In accordance with an embodiment, an aluminum-based mother material is melted to form a molten metal. An additive including silicon oxide is added to the molten metal. At least a portion of the silicon oxide is exhausted in the molten metal. The molten metal is cast.
    Type: Application
    Filed: May 16, 2012
    Publication date: July 17, 2014
    Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Shae-Kwang Kim, Young-Ok Yoon, Jeong-Ho Seo
  • Publication number: 20140086790
    Abstract: Provided are an aluminum alloy improving mechanical characteristics by allowing a magnesium-silicon compound to be distributed in an aluminum matrix without performing a heat treatment, and a production method thereof. In accordance with an aspect of the present disclosure, there is provided a method of producing an aluminum alloy, including: melting a magnesium mother alloy including a magnesium-silicon compound, and aluminum to form a molten metal; and casting the molten metal.
    Type: Application
    Filed: May 16, 2012
    Publication date: March 27, 2014
    Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Se-Kwang Kim, Young-Ok Yoon, Jeong-Ho Seo
  • 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
  • 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
  • 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
  • Publication number: 20130243643
    Abstract: Provided are an aluminum (Al) alloy prepared environment friendly and having excellent oxidation resistance properties, and a method of preparing the Al alloy. An oxidation-resistant Al alloy according to an embodiment of the present invention is casted by adding a magnesium (Mg) master alloy, in which a calcium (Ca)-based compound is distributed in an Mg matrix, into molten Al. An Al matrix includes the Ca-based compound. The Al alloy has superior oxidation resistance to a corresponding Al alloy not including the Ca-based compound.
    Type: Application
    Filed: October 19, 2011
    Publication date: September 19, 2013
    Inventors: Se-Kwang Kim, Young-Ok Yoon, Jin-Kyu Lee, Jeong-Ho Seo
  • Publication number: 20110123391
    Abstract: Provided are an aluminium alloy and a manufacturing method thereof. In the method, aluminium and a magnesium (Mg) master alloy containing a calcium (Ca)-based compound are provided. A melt is prepared, in which the Mg master alloy and the Al are melted. The aluminum alloy may be manufactured by casting the melt.
    Type: Application
    Filed: November 18, 2010
    Publication date: May 26, 2011
    Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Shae-Kwang KIM, Jin-Kyu LEE, Min-Ho CHOI, Young-Ok YOON
  • 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