Patents by Inventor Heoung Jae Chun

Heoung Jae Chun 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 hollow composite structure
    Patent number: 8419881
    Abstract: The present invention provides a method for manufacturing a hollow composite structure by forming a prepreg product using a plurality of prepregs, forming a soft coating layer on an inner surface of the prepreg product, and compressing the prepreg product by applying pressurized air to the coating layer and, at the same time, applying heat to the prepregs.
    Type: Grant
    Filed: November 19, 2010
    Date of Patent: April 16, 2013
    Assignees: Hyundai Motor Company, Industry-Academic Cooperation Foundation, Younsei University
    Inventors: Heoung Jae Chun, Wook Jin Na
  • METHOD FOR MANUFACTURING HOLLOW COMPOSITE STRUCTURE
    Publication number: 20120043013
    Abstract: The present invention provides a method for manufacturing a hollow composite structure by forming a prepreg product using a plurality of prepregs, forming a soft coating layer on an inner surface of the prepreg product, and compressing the prepreg product by applying pressurized air to the coating layer and, at the same time, applying heat to the prepregs.
    Type: Application
    Filed: November 19, 2010
    Publication date: February 23, 2012
    Applicants: Industry-Academic Cooperation Foundation, Younsei University, Hyundai Motor Company
    Inventors: Heoung Jae Chun, Wook Jin Na