Patents by Inventor Bong-Kee Lee

Bong-Kee Lee 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 micro structure using X-ray exposure
    Patent number: 9217927
    Abstract: Provided is a method for fabricating a microstructure. The method includes disposing an X-ray mask on photosensitive material and exposing the photosensitive material by radiating X-rays to the photosensitive material, etching the exposed photosensitive material, forming a mold having a micro-pattern by filing the etched photosensitive material with metal, forming a mold module by combining a plurality of molds, and forming a microstructure using the mold module.
    Type: Grant
    Filed: November 2, 2009
    Date of Patent: December 22, 2015
    Assignee: POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Bong-Kee Lee, Dong Sung Kim, Tai-Hun Kwon, Young Ok Lee
  • CELL CULTURE CONTAINER AND METHOD FOR FABRICATING THE SAME
    Publication number: 20130071918
    Abstract: The present invention relates to a cell culture container, which enhances the efficiency of proliferation and differentiation of various cells including stem cells. The cell culture container according to an exemplary embodiment of the present invention includes a cell culture surface for adhering adult stem cells thereon to proliferate and differentiate the adult stem cells, and the cell culture surface includes a protrusion having a lotus leaf surface reproduction structure, which is disposed on the cell culture surface.
    Type: Application
    Filed: March 31, 2011
    Publication date: March 21, 2013
    Applicant: Postech Academy-Industry Foundation
    Inventors: Dong Sung Kim, Kwang Sook Park, Dong-Woo Cho, Moonwoo Rha, Kyoung Je Cha, Bong-Kee Lee, Soo Hong Lee, Sun Woong Kang
  • METHOD FOR MANUFACTURING MICRO STRUCTURE USING X-RAY EXPOSURE
    Publication number: 20110254195
    Abstract: Provided is a method for fabricating a microstructure. The method includes disposing an X-ray mask on photosensitive material and exposing the photosensitive material by radiating X-rays to the photosensitive material using a side exposure scheme, etching the exposed photosensitive material, forming a mold having a micro-pattern by filing the etched photosensitive material with metal, forming a mold module by combining a plurality of molds, and forming a microstructure using the mold module.
    Type: Application
    Filed: November 2, 2009
    Publication date: October 20, 2011
    Applicant: POSTECH ACADEMY- INDUSTRY FOUNDATION
    Inventors: Bong-Kee Lee, Dong Sung Kim, Tai-Hun Kwon