Patents by Inventor Kyoung-Je Cha

Kyoung-Je Cha 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).

  • CONTAINER FOR CULTURING CELLS HAVING NANOSTRUCTURES, AND PREPARATION METHOD THEREOF
    Publication number: 20140295539
    Abstract: A container for culturing cells having nanostructures according to the present invention comprises a cell culture surface onto which adult stem cells are adhered so as to be proliferated and differentiated, wherein the cell culture surface comprises nanostructures placed thereon at regular intervals, the nanostructures comprise nano-pillars protruded from the cell culture surface, the width of the nano-pillars is 40-500 nm, and the height of the nano-pillars is 10 nm-1 ?m.
    Type: Application
    Filed: March 28, 2012
    Publication date: October 2, 2014
    Applicant: POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Dong Sung Kim, Soo Hong Lee, Kyoung Je Cha, Kwang Sook Park
  • 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
  • Pump and pumping system for microfluidic lab-on-a-chip using porous structure and fabricating method thereof
    Patent number: 8143322
    Abstract: The present invention relates to a pump and pumping system for a microfluidic lab-on-a-chip, and a fabricating method thereof. An exemplary embodiment of the present invention provides a method of fabricating a pump for microfluidic lab-on-a-chips, the method including: infiltrating PDMS (polydimethylsiloxane) solution into a porous lump of water-soluble material; performing soft baking of the porous lump of water-soluble material containing the PDMS solution; and dissolving the porous lump of water-soluble material via water to obtain a porous PDMS structure.
    Type: Grant
    Filed: April 3, 2009
    Date of Patent: March 27, 2012
    Assignees: Postech Academy-Industry Foundation, Chung-Ang University Industry Academic Cooperation Foundation
    Inventors: Tai-Hun Kwon, Dong-Sung Kim, Kyoung-Je Cha
  • PUMP AND PUMPING SYSTEM FOR MICROFLUIDIC LAB-ON-A-CHIP USING POROUS STRUCTURE AND FABRICATING METHOD THEREOF
    Publication number: 20090252629
    Abstract: The present invention relates to a pump and pumping system for a microfluidic lab-on-a-chip, and a fabricating method thereof. An exemplary embodiment of the present invention provides a method of fabricating a pump for microfluidic lab-on-a-chips, the method including: infiltrating PDMS (polydimethylsiloxane) solution into a porous lump of water-soluble material; performing soft baking of the porous lump of water-soluble material containing the PDMS solution; and dissolving the porous lump of water-soluble material via water to obtain a porous PDMS structure.
    Type: Application
    Filed: April 3, 2009
    Publication date: October 8, 2009
    Applicants: POSTECH ACADEMY-INDUSTRY FOUNDATION, CHUNG-ANG UNIVERSITY INDUSTRY ACADEMIC COOPERATION FOUNDATION
    Inventors: Tai-Hun KWON, Dong-Sung KIM, Kyoung-Je CHA