Patents by Inventor Sunghoon Kwon

Sunghoon Kwon 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: 20190136289
    Abstract: Provided are a rapid antimicrobial susceptibility test, based on an analysis of changes in morphology and growth pattern of a microbial cell under different concentrations of various antimicrobial agents, and an automated cell image analysis system therefor. The antimicrobial susceptibility test is rapidly performed based on an analysis of changes in morphology and growth pattern of a microbial cell under different concentrations of various antimicrobial agents, and this makes it possible to obtain highly reliable test results faster by six to seven times than the standard method recommended by Clinical and Laboratory Standards Institute (CLSI).
    Type: Application
    Filed: November 27, 2018
    Publication date: May 9, 2019
    Inventors: Yong-Gyun JUNG, Eun-Geun KIM, Jung Heon YOO, Sunghoon KWON, Jungil CHOI, Hee Chan KIM, Jung Chan LEE, Eui Jong KIM, Sang Hoon SONG, Sei Ick JOO, Ji Soo LEE
  • 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: 10220367
    Abstract: Provided is a method of forming a microsphere having a structural color, which includes providing a composition for generating a structural color including a curable material and magnetic nanoparticles dispersed in the curable material, forming an emulsion by adding the composition for generating a structural color to an immiscible solvent, arranging the magnetic nanoparticles located in the emulsion droplet of the curable material in a one-dimensional chain structure by applying a magnetic field to the emulsion, and fixing the chain structure by curing the emulsion droplet.
    Type: Grant
    Filed: August 9, 2016
    Date of Patent: March 5, 2019
    Assignee: SNU R&DB FOUNDATION
    Inventors: Sunghoon Kwon, Hyoki Kim, Yadong Yin, Jianping Ge
  • Publication number: 20190056294
    Abstract: Provided is a method for selectively separating samples from a substrate. The method includes: providing a substrate mounted with samples; selecting one or more desired target areas from areas of a layer of the samples; patterning an energy source so as to correspond to the target areas; and extracting energy from the patterned energy source, applying the extracted energy to the target areas such that target samples corresponding to the target areas are released from the substrate, and recovering the target samples.
    Type: Application
    Filed: October 27, 2016
    Publication date: February 21, 2019
    Inventors: Sunghoon KWON, Sungsik KIM, Yushin JUNG, Amos Chungwon LEE, Sangwook BAE, Jinhyun KIM
  • Patent number: 10208328
    Abstract: Provided are a rapid antimicrobial susceptibility test, based on an analysis of changes in morphology and growth pattern of a microbial cell under different concentrations of various antimicrobial agents, and an automated cell image analysis system therefor. The antimicrobial susceptibility test is rapidly performed based on an analysis of changes in morphology and growth pattern of a microbial cell under different concentrations of various antimicrobial agents, and this makes it possible to obtain highly reliable test results faster by six to seven times than the standard method recommended by Clinical and Laboratory Standards Institute (CLSI).
    Type: Grant
    Filed: October 14, 2015
    Date of Patent: February 19, 2019
    Assignee: QUANTAMATRIX INC.
    Inventors: Yong-Gyun Jung, Eun-Geun Kim, Jung Heon Yoo, Sunghoon Kwon, Jungil Choi, Hee Chan Kim, Jung Chan Lee, Eui Jong Kim, Sang Hoon Song, Sei Ick Joo, Ji Soo Lee
  • Patent number: 10155971
    Abstract: A testing method is disclosed. The testing method includes: providing a mixture solution of a gelling agent and a microbe to a gelling device; solidifying the mixture solution to form a solid thin film in which the microbe is immobilized; supplying a bioactive agent to the solid thin film and allowing the bioactive agent to diffuse into the solid thin film; and imaging the individual responses of the single microbial cells to the bioactive agent, and determining the minimum inhibitory concentration (MIC) of the bioactive agent based on the analysis of the images to obtain AST results.
    Type: Grant
    Filed: August 3, 2015
    Date of Patent: December 18, 2018
    Assignee: QUANTAMATRIX INC.
    Inventors: Sunghoon Kwon, Yong-Gyun Jung, Jung Il Choi, Hun Jong Na
  • 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: 9920351
    Abstract: A testing method is disclosed. The testing method includes: providing a mixture solution of a gelling agent and a microbe to a gelling device; solidifying the mixture solution to form a solid thin film in which the microbe is immobilized; supplying a bioactive agent to the solid thin film and allowing the bioactive agent to diffuse into the solid thin film; and imaging the individual responses of the single microbial cells to the bioactive agent, and determining the minimum inhibitory concentration (MIC) of the bioactive agent based on the analysis of the images to obtain AST results.
    Type: Grant
    Filed: July 8, 2015
    Date of Patent: March 20, 2018
    Assignee: QUANTAMATRIX INC.
    Inventors: Sunghoon Kwon, Yong-Gyun Jung, Jung Il Choi, Hun Jong Na
  • Patent number: 9856564
    Abstract: A technique related with a lithography system is disclosed. The lithography system includes at least one target object disposed on a substrate, a processor configured to process an image of the target object to determine an optical pattern for a coating layer of the target object, and an exposure apparatus configured to provide light having the optical pattern determined by the processor to the substrate.
    Type: Grant
    Filed: January 28, 2016
    Date of Patent: January 2, 2018
    Assignee: SNU R&DB FOUNDATION
    Inventors: Sunghoon Kwon, Sueun Chung, Seungah Lee, Jisung Jang, Sangkwon Han
  • 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: 20170233786
    Abstract: The present invention relates to a novel bioactivity testing structure for single cell tracking using a gelling agent and a bioactivity testing system including the testing structure. The present invention also relates to bioactivity testing, drug susceptibility testing, antibiotic screening, and diagnostic methods using the testing structure. The bioactivity testing structure of the present invention enables very rapid and simple drug susceptibility testing of bacteria, particularly Mycobacterium tuberculosis, drug screening, and bacterial diagnosis. Particularly, the use of the testing structure enables DST and diagnosis of bacteria only by pretreatment without the need to concentrate human sputum samples irrespective of inoculum effect, ensuring rapid, accurate, and simple testing compared to conventional tuberculosis diagnosis or DST systems. In addition, the testing structure of the present invention simultaneously enables the diagnosis and drug susceptibility testing of tuberculosis.
    Type: Application
    Filed: October 16, 2014
    Publication date: August 17, 2017
    Inventors: Yong-Gyun JUNG, Eun Guen KIM, Jung Heon YOO, Kyung-Ock PARK, Sunghoon KWON, Jungil CHOI, Hee Jin KIM, Sung Weon RYOO, Haeun KIM, Hyeon Ju JEOUNG, Eun Hee LEE, Hyejin KIM
  • 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
  • Publication number: 20170103833
    Abstract: Provided is a method of forming a microsphere having a structural color, which includes providing a composition for generating a structural color including a curable material and magnetic nanoparticles dispersed in the curable material, forming an emulsion by adding the composition for generating a structural color to an immiscible solvent, arranging the magnetic nanoparticles located in the emulsion droplet of the curable material in a one-dimensional chain structure by applying a magnetic field to the emulsion, and fixing the chain structure by curing the emulsion droplet.
    Type: Application
    Filed: August 9, 2016
    Publication date: April 13, 2017
    Inventors: Sunghoon KWON, Hyoki KIM, Yadong YIN, Jianping GE
  • 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
  • Patent number: 9457333
    Abstract: Provided is a method of forming a microsphere having a structural color, which includes providing a composition for generating a structural color including a curable material and magnetic nanoparticles dispersed in the curable material, forming an emulsion by adding the composition for generating a structural color to an immiscible solvent, arranging the magnetic nanoparticles located in the emulsion droplet of the curable material in a one-dimensional chain structure by applying a magnetic field to the emulsion, and fixing the chain structure by curing the emulsion droplet.
    Type: Grant
    Filed: October 12, 2011
    Date of Patent: October 4, 2016
    Assignee: SNU R&DB FOUNDATION
    Inventors: Sunghoon Kwon, Hyoki Kim
  • Publication number: 20160266106
    Abstract: The present invention proposes a new structuring method for producing slices comprising fiber fragments through a series of steps of functionalizing fibrous materials, bundling the functionalized fibrous materials, and thinly cutting the bundle. Based on the fiber bundle fragments, ultra-low cost multiplexed bioassay platforms are developed.
    Type: Application
    Filed: October 28, 2014
    Publication date: September 15, 2016
    Inventors: Sunghoon KWON, Jiyun KIM, Sangwook BAE, Seowoo SONG
  • Publication number: 20160145744
    Abstract: A technique related with a lithography system is disclosed. The lithography system includes at least one target object disposed on a substrate, a processor configured to process an image of the target object to determine an optical pattern for a coating layer of the target object, and an exposure apparatus configured to provide light having the optical pattern determined by the processor to the substrate.
    Type: Application
    Filed: January 28, 2016
    Publication date: May 26, 2016
    Applicant: SNU R&DB FOUNDATION
    Inventors: Sunghoon KWON, Sueun CHUNG, Seungah LEE, Jisung JANG, Sangkwon HAN
  • Patent number: 9328366
    Abstract: Provided is a method of mass-producing high-purity nucleotides including providing a sequencing substrate having a clonal library of oligonucleotides on a solid support, sequencing the clonal library, obtaining measured location data of the solid support on the sequencing substrate, mapping pixel data of a signal generated from the solid support given as a result of the sequencing with the measured location data, extracting the solid support having a desired base sequence from the sequencing substrate using the mapping result, and amplifying an oligonucleotide on the extracted solid support to replicate on a large scale.
    Type: Grant
    Filed: June 15, 2012
    Date of Patent: May 3, 2016
    Assignee: SNU R & DB FOUNDATION
    Inventors: Sunghoon Kwon, Hyoki Kim, Howon Lee, Sungsik Kim, Taehoon Ryu
  • Publication number: 20160102334
    Abstract: Provided are a rapid antimicrobial susceptibility test, based on an analysis of changes in morphology and growth pattern of a microbial cell under different concentrations of various antimicrobial agents, and an automated cell image analysis system therefor. The antimicrobial susceptibility test is rapidly performed based on an analysis of changes in morphology and growth pattern of a microbial cell under different concentrations of various antimicrobial agents, and this makes it possible to obtain highly reliable test results faster by six to seven times than the standard method recommended by Clinical and Laboratory Standards Institute (CLSI).
    Type: Application
    Filed: October 14, 2015
    Publication date: April 14, 2016
    Inventors: Yong-Gyun Jung, Eun-Geun Kim, Jung Heon Yoo, Sunghoon Kwon, Jungil Choi, Hee Chan Kim, Jung Chan Lee, Eui Jong Kim, Sang Hoon Song, Sei Ick Joo, Ji Soo Lee