Patents by Inventor Yeongun Ko

Yeongun Ko 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).

  • Production device for a graphene thin film
    Patent number: 9437823
    Abstract: The present invention relates to a production device for graphene thin film. The production device for graphene thin film according to the present invention may comprise a deposition plate in contact with a substrate at an obtuse or acute angle, wherein the substrate is coated with a graphene oxide solution; and a reciprocating linear motion device connected to the deposition plate to put the deposition plate into reciprocating linear motion.
    Type: Grant
    Filed: July 30, 2014
    Date of Patent: September 6, 2016
    Assignee: Chung-Ang University Industry-Academy Cooperation Foundation
    Inventors: Suk Tai Chang, Yeongun Ko
  • Production method for a graphene thin film
    Patent number: 9388050
    Abstract: The present invention relates to a production method for graphene thin film. The production method for graphene thin film according to the present invention can produce a graphene thin film by using a reciprocating linear motion device to put a deposition plate into reciprocating linear motion and apply a graphene oxide solution onto a substrate, while the deposition plate is connected to the reciprocating linear motion device and in contact with the substrate.
    Type: Grant
    Filed: September 29, 2011
    Date of Patent: July 12, 2016
    Assignee: Chung-Ang University Industry-Academy Cooperation Foundation
    Inventors: Suk Tai Chang, Yeongun Ko
  • PRODUCTION DEVICE FOR A GRAPHENE THIN FILM
    Publication number: 20140331920
    Abstract: The present invention relates to a production device for graphene thin film. The production device for graphene thin film according to the present invention may comprise a deposition plate in contact with a substrate at an obtuse or acute angle, wherein the substrate is coated with a graphene oxide solution; and a reciprocating linear motion device connected to the deposition plate to put the deposition plate into reciprocating linear motion.
    Type: Application
    Filed: July 30, 2014
    Publication date: November 13, 2014
    Inventors: Suk Tai Chang, Yeongun Ko
  • PRODUCTION METHOD FOR A GRAPHENE THIN FILM
    Publication number: 20140227164
    Abstract: The present invention relates to a production method for graphene thin film. The production method for graphene thin film according to the present invention can produce a graphene thin film by using a reciprocating linear motion device to put a deposition plate into reciprocating linear motion and apply a graphene oxide solution onto a substrate, while the deposition plate is connected to the reciprocating linear motion device and in contact with the substrate.
    Type: Application
    Filed: September 29, 2011
    Publication date: August 14, 2014
    Inventors: Suk Tai Chang, Yeongun Ko