Patents by Inventor Sunmin Ryu

Sunmin Ryu 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).

  • Systems and methods for forming defects on graphitic materials and curing radiation-damaged graphitic materials
    Patent number: 8273525
    Abstract: Systems and methods are disclosed herein for forming defects on graphitic materials. The methods for forming defects include applying a radiation reactive material on a graphitic material, irradiating the applied radiation reactive material to produce a reactive species, and permitting the reactive species to react with the graphitic material to form defects. Additionally, disclosed are methods for removing defects on graphitic materials.
    Type: Grant
    Filed: April 29, 2010
    Date of Patent: September 25, 2012
    Assignee: The Trustees of Columbia University in the City of New York
    Inventors: Sunmin Ryu, Louis E. Brus, Michael L. Steigerwald, Haitao Liu
  • Systems And Methods For Forming Defects On Graphitic Materials And Curing Radiation-Damaged Graphitic Materials
    Publication number: 20110062422
    Abstract: Systems and methods are disclosed herein for forming defects on graphitic materials. The methods for forming defects include applying a radiation reactive material on a graphitic material, irradiating the applied radiation reactive material to produce a reactive species, and permitting the reactive species to react with the graphitic material to form defects. Additionally, disclosed are methods for removing defects on graphitic materials.
    Type: Application
    Filed: April 29, 2010
    Publication date: March 17, 2011
    Applicant: THE TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK
    Inventors: Sunmin Ryu, Louis E. Brus, Michael L. Steigerwald, Haitao Liu