Patents by Inventor Junhoy Kim

Junhoy Kim 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).

  • Patent number: 11062828
    Abstract: Provided is a color encoding method including providing a composition including a liquid medium and magnetic nanoparticles dispersed in the liquid medium; applying a magnetic field to the composition to align the magnetic nanoparticles; and applying a patterned energy source to the composition to solidify the composition, wherein more than one region of the composition are sequentially solidified with varying magnetic field strength to fix a plurality of color codes.
    Type: Grant
    Filed: December 20, 2016
    Date of Patent: July 13, 2021
    Assignee: SNU R&DB FOUNDATION
    Inventors: Sunghoon Kwon, Howon Lee, Junhoi Kim, Hyoki Kim
  • Patent number: 10274504
    Abstract: Disclosed is a microcapsule encoded depending on the kind of a target substance included therein. The encoded microcapsule has a hydrophilic liquid core including the target substance and a hydrophobic shell surrounding the liquid core. The encoded microcapsule includes graphical codes introduced on the surface of the shell.
    Type: Grant
    Filed: October 28, 2013
    Date of Patent: April 30, 2019
    Assignee: QUANTAMATRIX INC.
    Inventors: Sunghoon Kwon, Younghoon Song, Taehong Kwon, Daewon Lee, Junhoi Kim
  • Patent number: 10013647
    Abstract: Provided is a method of magnetically controlling a magnetic structure, the method including: providing a solution containing magnetic structures, each including a magnetic axis in which magnetic nanoparticles are arranged; and controlling movements of the magnetic structures by applying an external magnetic field to the solution.
    Type: Grant
    Filed: March 31, 2011
    Date of Patent: July 3, 2018
    Assignee: QUANTAMATRIX INC.
    Inventors: Sunghoon Kwon, Howon Lee, Junhoi Kim, Ji Yun Kim
  • Patent number: 9850482
    Abstract: A heterologous DNA barcoding method is provided. The method includes (a) providing a DNA microarray having DNA oligonucleotide spots, which are distinguished from each other by their barcode sequences, (b) providing a microwell array having microwells whose spatial arrangement corresponds to that of the DNA spots on the DNA microarray, (c) loading a solution of samples containing target nucleic acid sequences into the microwells, (d) assembling the DNA microarray to the microwell array to form micro reaction spaces in which the DNA spots are spatially separated by the microwells, (e) allowing the oligonucleotide sequences of the DNA spots to react with the target nucleic acid sequences of the samples in the micro reaction spaces to combine the sequence information of the DNA spots with the sequence information of the samples, and (f) separating the DNA microarray and the microwell array from each other to obtain reaction products including the barcode sequences.
    Type: Grant
    Filed: March 7, 2014
    Date of Patent: December 26, 2017
    Assignee: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Sunghoon Kwon, Junhoi Kim, Taehoon Ryu, Dongyoon Oh, Jaekyung Koh
  • Publication number: 20170103838
    Abstract: Provided is a color encoding method including providing a composition including a liquid medium and magnetic nanoparticles dispersed in the liquid medium; applying a magnetic field to the composition to align the magnetic nanoparticles; and applying a patterned energy source to the composition to solidify the composition, wherein more than one region of the composition are sequentially solidified with varying magnetic field strength to fix a plurality of color codes.
    Type: Application
    Filed: December 20, 2016
    Publication date: April 13, 2017
    Inventors: Sunghoon KWON, Howon LEE, Junhoi KIM, Hyoki KIM
  • Patent number: 9564261
    Abstract: Provided is a color encoding method including providing a composition including a liquid medium and magnetic nanoparticles dispersed in the liquid medium; applying a magnetic field to the composition to align the magnetic nanoparticles; and applying a patterned energy source to the composition to solidify the composition, wherein more than one region of the composition are sequentially solidified with varying magnetic field strength to fix a plurality of color codes.
    Type: Grant
    Filed: October 12, 2011
    Date of Patent: February 7, 2017
    Assignee: SNU R&DB FOUNDATION
    Inventors: Sunghoon Kwon, Howon Lee, Junhoi Kim, Hyoki Kim
  • Patent number: 9482726
    Abstract: Provided is a method of fabricating a magnetic axis-controlled structure. The method of fabricating a magnetic axis-controlled structure includes providing a composition including magnetic nanoparticles dispersed in a liquid medium, applying a magnetic field to the composition to align the magnetic nanoparticles along the magnetic field and form a magnetic axis, and solidifying the liquid medium to fix the magnetic axis.
    Type: Grant
    Filed: March 3, 2011
    Date of Patent: November 1, 2016
    Assignee: SNU R&DB FOUNDATION
    Inventors: Sunghoon Kwon, Hyoki Kim, Junhoi Kim, Howon Lee
  • Publication number: 20160010085
    Abstract: A heterologous DNA barcoding method is provided. The method includes (a) providing a DNA microarray having DNA oligonucleotide spots, which are distinguished from each other by their barcode sequences, (b) providing a microwell array having microwells whose spatial arrangement corresponds to that of the DNA spots on the DNA microarray, (c) loading a solution of samples containing target nucleic acid sequences into the microwells, (d) assembling the DNA microarray to the microwell array to form micro reaction spaces in which the DNA spots are spatially separated by the microwells, (e) allowing the oligonucleotide sequences of the DNA spots to react with the target nucleic acid sequences of the samples in the micro reaction spaces to combine the sequence information of the DNA spots with the sequence information of the samples, and (f) separating the DNA microarray and the microwell array from each other to obtain reaction products including the barcode sequences.
    Type: Application
    Filed: March 7, 2014
    Publication date: January 14, 2016
    Inventors: Sunghoon KWON, Junhoi KIM, Taehoon RYU, Dongyoon OH, Jaekyung KOH
  • Publication number: 20150119284
    Abstract: Disclosed is a microcapsule encoded depending on the kind of a target substance included therein. The encoded microcapsule has a hydrophilic liquid core including the target substance and a hydrophobic shell surrounding the liquid core. The encoded microcapsule includes graphical codes introduced on the surface of the shell.
    Type: Application
    Filed: October 28, 2013
    Publication date: April 30, 2015
    Applicant: SNU R&DB FOUNDATION
    Inventors: Sunghoon KWON, Younghoon SONG, Taehong KWON, Daewon LEE, Junhoi KIM
  • Patent number: 8759665
    Abstract: Provided are a solar cell apparatus and a method of manufacturing the same. More particularly, a high efficiency, inexpensive and large-area solar cell apparatus using a microlens, and a method of manufacturing the same are provided. The solar cell apparatus includes a plate on which a plurality of lenses are arranged on one surface, and a plurality of solar cells receiving light concentrated by the lenses.
    Type: Grant
    Filed: February 18, 2009
    Date of Patent: June 24, 2014
    Assignee: SNU R&DB Foundation
    Inventors: Sunghoon Kwon, Junhoi Kim
  • Publication number: 20130105581
    Abstract: Provided is a method of magnetically controlling a magnetic structure, the method including: providing a solution containing magnetic structures, each including a magnetic axis in which magnetic nanoparticles are arranged; and controlling movements of the magnetic structures by applying an external magnetic field to the solution.
    Type: Application
    Filed: March 31, 2011
    Publication date: May 2, 2013
    Inventors: Sunghoon Kwon, Howon Lee, Junhoi Kim, Ji Yun Kim
  • Publication number: 20120028834
    Abstract: Provided is a color encoding method including providing a composition including a liquid medium and magnetic nanoparticles dispersed in the liquid medium; applying a magnetic field to the composition to align the magnetic nanoparticles; and applying a patterned energy source to the composition to solidify the composition, wherein more than one region of the composition are sequentially solidified with varying magnetic field strength to fix a plurality of color codes
    Type: Application
    Filed: October 12, 2011
    Publication date: February 2, 2012
    Applicant: SNU R&DB FOUNDATION
    Inventors: Sunghoon KWON, Howon Lee, Junhoi Kim, Hyoki Kim
  • Publication number: 20110221431
    Abstract: Provided is a method of fabricating a magnetic axis-controlled structure. The method of fabricating a magnetic axis-controlled structure includes providing a composition including magnetic nanoparticles dispersed in a liquid medium, applying a magnetic field to the composition to align the magnetic nanoparticles along the magnetic field and form a magnetic axis, and solidifying the liquid medium to fix the magnetic axis.
    Type: Application
    Filed: March 3, 2011
    Publication date: September 15, 2011
    Inventors: Sunghoon KWON, Hyoki Kim, Junhoi Kim, Howon Lee
  • Publication number: 20110061717
    Abstract: Provided are a solar cell apparatus and a method of manufacturing the same. More particularly, a high efficiency, inexpensive and large-area solar cell apparatus using a microlens, and a method of manufacturing the same are provided. The solar cell apparatus includes a plate on which a plurality of lenses are arranged on one surface, and a plurality of solar cells receiving light concentrated by the lenses.
    Type: Application
    Filed: February 18, 2009
    Publication date: March 17, 2011
    Inventors: Sunghoon Kwon, Junhoi Kim
  • Publication number: 20100053623
    Abstract: Disclosed are membranes including a nanohole penetrating the membrane and two opposing faces. Method of making the membranes are also disclosed.
    Type: Application
    Filed: August 27, 2008
    Publication date: March 4, 2010
    Inventors: Sunghoon Kwon, Junhoi Kim
  • Publication number: 20100044211
    Abstract: The present technology provides apparatuses for the detection of one or more target molecules. The apparatuses include a membrane having a nanochannel configured to allow passage of the target molecule, an electrical detection unit, and an optical detection unit. The apparatuses are capable of detecting the location of one or more target molecules, the time at which the molecules arrive at the location, as well as the identity of the molecules. Also disclosed are methods of making the apparatuses and methods of using the apparatuses to detect target molecules, including single biomolecules.
    Type: Application
    Filed: August 25, 2008
    Publication date: February 25, 2010
    Inventors: Sunghoon Kwon, Junhoi Kim
  • Patent number: 6236736
    Abstract: A system and method for detecting hand and item movement patterns comprising a video camera positioned to view a scene which includes therein a scanner for scanning items, wherein the video camera generates a sequence of video frames representing activity in the scene, processing means coupled to the video camera, the processing means performing steps of identifying regions of a video frame representing a hand; and tracking hand movement with respect to the scanner over a plurality of video frames. Event information descriptive of user activity at the self-service checkout terminal is generated based on the tracking information.
    Type: Grant
    Filed: February 6, 1998
    Date of Patent: May 22, 2001
    Assignee: NCR Corporation
    Inventors: Ralph N. Crabtree, Jianzhong Huang, Junhoy Kim