Patents by Inventor Kwang-ho Cheong

Kwang-ho Cheong 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).

  • Publication number: 20110129481
    Abstract: Antibodies specifically binding to c-Met protein, hybridoma cell lines, and compositions comprising the antibodies are disclosed herein. Methods of making and using the antibodies and compositions are also disclosed.
    Type: Application
    Filed: August 30, 2010
    Publication date: June 2, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kwang Ho Cheong, Sung-young Jeong, Sang-hyun Paek
  • Publication number: 20110104176
    Abstract: Antibodies specifically binding to c-Met protein, hybridoma cell lines, and compositions comprising the antibodies are disclosed herein. Methods of making and using the antibodies and compositions are also disclosed.
    Type: Application
    Filed: October 19, 2010
    Publication date: May 5, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kwang Ho CHEONG, Sang-hyun PAEK
  • Patent number: 7855069
    Abstract: A method and apparatus for a rapid disruption of cells or viruses using micro magnetic beads and a laser are provided. According to the method and apparatus for a rapid disruption of cells or viruses using micro magnetic beads and a laser, cell lysis within 40 seconds is possible, the apparatus can be miniaturized using a laser diode, a DNA purification step can be directly performed after a disruption of cells or viruses, and a solution containing DNA can be transferred to a subsequent step after cell debris and beads to which inhibitors of a subsequent reaction are attached are removed with an electromagnet. In addition, by means of the cell lysis chip, an evaporation problem is solved, vibrations can be efficiently transferred to cells through magnetic beads, a microfluidics problem on a rough surface is solved by hydrophobically treating the inner surface of the chip, and the cell lysis chip can be applied to LOC.
    Type: Grant
    Filed: October 19, 2005
    Date of Patent: December 21, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jeong-gun Lee, Young-nam Kwon, Young-a Kim, Myo-yong Lee, Shin-i Yoo, Yeon-ja Cho, Kwang-ho Cheong, Chang-eun Yoo, Seung-yeon Yang
  • Patent number: 7784911
    Abstract: An apparatus and method which print a biomolecular droplet onto a solid substrate using an electric charge concentration effect comprises: a needle shaped electric field forming electrode which is made of a conductive material, is disposed vertically, and comprises an accommodating area and a nozzle formed on a bottom end of the accommodating area; a solid substrate which is electrically grounded, is disposed below the electric field forming electrode, and comprises a moisture thin film and a target surface onto which the biomolecular droplet is discharged from the nozzle of the electric field forming electrode; and an open circuit type voltage applying unit which is electrically connected to the electric field forming electrode, applies a charge to the electric field forming electrode, and causes the biomolecular droplet to be ejected onto the target surface.
    Type: Grant
    Filed: May 10, 2007
    Date of Patent: August 31, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kui-hyun Kim, Byung-chul Kim, Kwang-ho Cheong, Su-hyeon Kim
  • Patent number: 7641858
    Abstract: An apparatus introducing a fluid using a centrifugal force includes an introduction member including a chip receiver and a fluid introduction reservoir, the chip receiver receiving a first part of a microfluidic chip, the first part including an inlet, the fluid introduction reservoir storing a fluid to be introduced to the microfluidic chip, the fluid introduction reservoir having an exit formed to correspond to the inlet of the microfluidic chip received in the chip receiver, and a support member supporting a second part of the microfluidic chip, wherein the microfluidic chip is disposed between the introduction member and the support member, the apparatus is rotatable in a state where the introduction member is closer to a center of rotation than the microfluidic chip, and the fluid is introducible from the fluid introduction reservoir through the inlet into the microfluidic chip due to a centrifugal force generated by rotation.
    Type: Grant
    Filed: August 29, 2007
    Date of Patent: January 5, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young-rok Kim, Jun-hong Min, Kak Namkoong, Kwang-ho Cheong, Chang-eun Yoo, Ki-woong Han, Ki-eun Kim
  • Publication number: 20090105151
    Abstract: The invention features methods and compositions that exploit the ability of amphipathic alpha-helical (AH) peptides to cause disruption of lipid-containing vesicles, such as enveloped viruses, in a size-dependent manner.
    Type: Application
    Filed: July 14, 2008
    Publication date: April 23, 2009
    Inventors: Jeffrey Glenn, Nam-Joon Cho, Curtis W. Frank, Kwang Ho Cheong
  • Publication number: 20080199930
    Abstract: A method and apparatus for rapid disruption of cells or viruses using beads and a laser are provided. According to the method and apparatus for rapid disruption of cells or viruses using beads and a laser, cell lysis within 40 seconds is possible, the apparatus can be miniaturized using a laser diode, a DNA purification step can be directly performed after a disruption of cells or viruses, and a solution containing DNA can be transferred to a subsequent step after cell debris and beads to which inhibitors of a subsequent reaction are attached are removed with an electromagnet. In addition, by means of the cell lysis chip, an evaporation problem is solved, vibrations can be efficiently transferred to cells through magnetic beads, a microfluidics problem on a rough surface is solved by hydrophobically treating the inner surface of the chip, and the cell lysis chip can be applied to LOC.
    Type: Application
    Filed: February 15, 2008
    Publication date: August 21, 2008
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jeong-gun LEE, Young-nam KWON, Young-a KIM, Myo-yong LEE, Shin-i YOO, Yeon-ja CHO, Kwang-ho CHEONG, Chang-eun YOO, Seung-yeon YANG
  • Publication number: 20080171366
    Abstract: Provided is a method of disrupting cells comprising adding gold nanorods to a solution containing cells and irradiating the gold nanorods with a laser to disrupt the cells. A method and an apparatus for continuously disrupting cells and amplifying nucleic acids in a single microchamber are also provided, wherein the method comprises introducing a solution containing cells and gold nanorods into a microchamber, irradiating a laser onto the gold nanorods to disrupt the cells, and amplifying a nucleic acid from the disrupted cells in the microchamber.
    Type: Application
    Filed: August 14, 2007
    Publication date: July 17, 2008
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kwang Ho CHEONG, Dong-kee YI, Jeong-gun LEE, Jong-myeon PARK
  • Publication number: 20080072994
    Abstract: An apparatus introducing a fluid using a centrifugal force includes an introduction member including a chip receiver and a fluid introduction reservoir, the chip receiver receiving a first part of a microfluidic chip, the first part including an inlet, the fluid introduction reservoir storing a fluid to be introduced to the microfluidic chip, the fluid introduction reservoir having an exit formed to correspond to the inlet of the microfluidic chip received in the chip receiver, and a support member supporting a second part of the microfluidic chip, wherein the microfluidic chip is disposed between the introduction member and the support member, the apparatus is rotatable in a state where the introduction member is closer to a center of rotation than the microfluidic chip, and the fluid is introducible from the fluid introduction reservoir through the inlet into the microfluidic chip due to a centrifugal force generated by rotation.
    Type: Application
    Filed: August 29, 2007
    Publication date: March 27, 2008
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-rok KIM, Jun-hong MIN, Kak NAMKOONG, Kwang-ho CHEONG, Chang-eun YOO, Ki-woong HAN, Ki-eun KIM
  • Publication number: 20070275435
    Abstract: Disclosed herein are a cell culture chip for monitoring a cell culture in real time and a method of monitoring the cell culture using the cell culture chip. The cell culture chip includes a cell culture chamber formed by side walls of a non-conductive material and a bottom layer of an insulating material and capable of accommodating a cell culture media. The cell culture chip also includes a semiconductor layer disposed under the bottom layer, a metal layer disposed under the semiconductor layer, and an electrode disposed in the cell culture chamber. The cell culture chip monitors both the states of cells attached to walls of the cell culture chamber and the states of cells floating in the cell culture media.
    Type: Application
    Filed: January 23, 2007
    Publication date: November 29, 2007
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kui-hyun KIM, Jung-im HAN, Jun-hong MIN, Kwang-ho CHEONG, Byung-chul KIM
  • Publication number: 20070263037
    Abstract: An apparatus and method which print a biomolecular droplet onto a solid substrate using an electric charge concentration effect comprises: a needle shaped electric field forming electrode which is made of a conductive material, is disposed vertically, and comprises an accommodating area and a nozzle formed on a bottom end of the accommodating area; a solid substrate which is electrically grounded, is disposed below the electric field forming electrode, and comprises a moisture thin film and a target surface onto which the biomolecular droplet is discharged from the nozzle of the electric field forming electrode; and an open circuit type voltage applying unit which is electrically connected to the electric field forming electrode, applies a charge to the electric field forming electrode, and causes the biomolecular droplet to be ejected onto the target surface.
    Type: Application
    Filed: May 10, 2007
    Publication date: November 15, 2007
    Applicant: SAMSUNG ELECTRONICS SO., LTD.
    Inventors: Kui-hyun KIM, Byung-chul KIM, Kwang-ho CHEONG, Su-hyeon KIM
  • Publication number: 20070249041
    Abstract: A cell co-culture apparatus and a method of co-culturing and isolating cells using the cell co-culture apparatus to research interactions between cells by direct contact between the cells are provided. The cell co-culture apparatus includes a first substrate including a substrate portion and a plurality of projections provided on a surface of the substrate portion, each of the projections having a top surface for culturing cells, a second substrate including a same number of first channels as a number of the projections such that the channels fit with the projections and substrate surfaces formed between the first channels, and a third substrate including a plurality of second channels corresponding with the top surfaces and a plurality of third channels corresponding with the substrate surfaces.
    Type: Application
    Filed: January 24, 2007
    Publication date: October 25, 2007
    Applicant: SAMSUNG ELECTRONICS CO., LTD.,
    Inventors: Kwang Ho CHEONG, Chin-sung PARK
  • Publication number: 20060084165
    Abstract: A method and apparatus for a rapid disruption of cells or viruses using micro magnetic beads and a laser are provided. According to the method and apparatus for a rapid disruption of cells or viruses using micro magnetic beads and a laser, cell lysis within 40 seconds is possible, the apparatus can be miniaturized using a laser diode, a DNA purification step can be directly performed after a disruption of cells or viruses, and a solution containing DNA can be transferred to a subsequent step after cell debris and beads to which inhibitors of a subsequent reaction are attached are removed with an electromagnet. In addition, by means of the cell lysis chip, an evaporation problem is solved, vibrations can be efficiently transferred to cells through magnetic beads, a microfluidics problem on a rough surface is solved by hydrophobically treating the inner surface of the chip, and the cell lysis chip can be applied to LOC.
    Type: Application
    Filed: October 19, 2005
    Publication date: April 20, 2006
    Inventors: Jeong-gun Lee, Young-nam Kwon, Young-a Kim, Myo-yong Lee, Shin-i Yoo, Yeon-ja Cho, Kwang-ho Cheong, Chang-eun Yoo, Seung-yeon Yang