Patents by Inventor Hyeung-eun Ahn

Hyeung-eun Ahn 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).

  • Composite sintering materials using carbon nanotube and manufacturing method thereof
    Patent number: 8562938
    Abstract: The present invention relates to a composite sintering materials using a carbon nanotube (including carbide nano particles, hereinafter the same) and a manufacturing method thereof, the method comprises the steps of: combining or generating carbon nanotubes in metal powders, a compacted product, or a sintered product; growing and alloying the carbon nanotubes by compacting or sintering the metal powders, the compacted product, or the sintered product; and strengthening the mechanical characteristics by repeatedly performing the sintering process and the combining process or the generating process of the carbon nanotubes.
    Type: Grant
    Filed: January 5, 2012
    Date of Patent: October 22, 2013
    Inventors: Sang-chul Ahn, Sun-hwa Yang, Hyeung-eun Ahn
  • Composite sintering materials using carbon nanotube and manufacturing method thereof
    Patent number: 8506922
    Abstract: The present invention relates to a composite sintering materials using a carbon nanotube (including carbide nano particles, hereinafter the same) and a manufacturing method thereof, the method comprises the steps of: combining or generating carbon nanotubes in metal powders, a compacted product, or a sintered product; growing and alloying the carbon nanotubes by compacting or sintering the metal powders, the compacted product, or the sintered product; and strengthening the mechanical characteristics by repeatedly performing the sintering process and the combining process or the generating process of the carbon nanotubes.
    Type: Grant
    Filed: January 5, 2012
    Date of Patent: August 13, 2013
    Assignee: C & Tech Co., Ltd.
    Inventors: Sang-chul Ahn, Sun-hwa Yang, Hyeung-eun Ahn
  • Composite sintering materials using carbon nanotube and manufacturing method thereof
    Patent number: 8119095
    Abstract: The present invention relates to a composite sintering materials using a carbon nanotube (including carbide nano particles, hereinafter the same) and a manufacturing method thereof, the method comprises the steps of: combining or generating carbon nanotubes in metal powers, a compacted product, or a sintered product; growing and alloying the carbon nanotubes by compacting or sintering the metal powers, the compacted product, or the sintered product; and strengthening the mechanical characteristics by repeatedly performing the sintering process and the combining process or the generating process of the carbon nanotubes.
    Type: Grant
    Filed: September 7, 2007
    Date of Patent: February 21, 2012
    Assignee: C & Tech Co., Ltd.
    Inventors: Sang-chul Ahn, Sun-hwa Yang, Hyeung-eun Ahn
  • COMPOSITE SINTERING MATERIALS USING CARBON NANOTUBE AND MANUFACTURING METHOD THEREOF
    Publication number: 20100051881
    Abstract: The present invention relates to a composite sintering materials using a carbon nanotube (including carbide nano particles, hereinafter the same) and a manufacturing method thereof, the method comprises the steps of: combining or generating carbon 5 nanotubes in metal powers, a compacted product, or a sintered product; growing and alloying the carbon nanotubes by compacting or sintering the metal powers, the compacted product, or the sintered product; and strengthening the mechanical characteristics by repeatedly performing the sintering process and the combining process or the generating process of the carbon nanotubes.
    Type: Application
    Filed: September 7, 2007
    Publication date: March 4, 2010
    Applicant: C & TECH CO., LTD.
    Inventors: Sang-chul Ahn, Sun-hwa Yang, Hyeung-eun Ahn