Patents by Inventor Hyun Kwang Seok

Hyun Kwang Seok 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: 20200071834
    Abstract: Provided is a method of forming an apatite coating, including brining an apatite-forming precursor solution including Ca2+ ions and PO43? ions into direct contact with at least one region of the substrate, emitting a laser beam onto the region of the substrate in direct contact with the precursor solution through the precursor solution, and forming apatite on the region onto which the laser beam is emitted.
    Type: Application
    Filed: August 29, 2019
    Publication date: March 5, 2020
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Hojeong JEON, Seung Hoon UM, Yongwoo CHUNG, Hyunseon SEO, Yu Chan KIM, Myoung-Ryul OK, Hyun Kwang SEOK
  • Publication number: 20200015961
    Abstract: There is provided an intraocular lens including an optic portion having a circular shape from one side thereof and including a first pattern which includes a ridge and a groove, and a plurality of haptic portions extending from an outer circumferential edge of the optic portion and each including a second pattern which includes a ridge and a groove, in which at least one of the ridges included in the first pattern and the second pattern and at least one of the grooves included in the first pattern and the second pattern includes a section in which a width is formed differently.
    Type: Application
    Filed: July 16, 2019
    Publication date: January 16, 2020
    Inventors: Ho Jeong JEON, Myoung Ryul OK, Yu Chan KIM, Hyun Kwang SEOK, Choun Ki JOO, Byoung Chan CHOI
  • Publication number: 20190249286
    Abstract: The present invention relates to a biodegradable magnesium alloy comprising x wt % of calcium, y wt % of zinc, and the balance of magnesium and inevitable impurities, wherein x and y have a range corresponding to a region in which the lower part of the trajectory of mathematical formula 1 (y=44.894x2?25.123x+5.192) and the upper part of the trajectory of mathematical formula 2 (y=?10.618x2+7.8784x+0.1637) overlap in the x-y plane, and a zinc compound phase contains 90 wt % or more of Ca2Mg6Zn3 on the basis of the total weight of the zinc compound phase.
    Type: Application
    Filed: December 5, 2016
    Publication date: August 15, 2019
    Inventors: Yu Chan KIM, Hyun Kwang SEOK, Hyung-Seop HAN, Ji Young BYUN, Hojeong JEON, Myoung-Ryul OK, Jimin PARK, Seok-Jo YANG
  • Publication number: 20180238780
    Abstract: A cell patterning material, a method of preparing the cell patterning material, a cell patterning method using the cell patterning material, and a biosensor including patterned cells obtained by using the cell patterning method are provided. According to the present disclosure, cells may be conveniently and efficiently patterned and the time for applying external stimulation for patterning may be controlled. In addition, the patterned cells may have an excellent proliferation rate and excellent differentiation efficiency, and may be re-patterned in a different direction, and High-throughput screening using the patterned cells is possible.
    Type: Application
    Filed: August 24, 2016
    Publication date: August 23, 2018
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Hojeong JEON, Indong JUN, Kangwon LEE, Hyung-Seop HAN, Jimin PARK, Myoung-Ryul OK, Yu Chan KIM, Hyun Kwang SEOK
  • Patent number: 10052405
    Abstract: This invention relates to a biodegradable implant including magnesium, wherein the magnesium contains, as impurities, (i) manganese (Mn); and (ii) one selected from the group consisting of iron (Fe), nickel (Ni) and mixtures of iron (Fe) and nickel (Ni), wherein the impurities satisfy the following condition: 0<(ii)/(i)?5, and an amount of the impurities is 1 part by weight or less but exceeding 0 parts by weight based on 100 parts by weight of the magnesium, and to a method of manufacturing the same.
    Type: Grant
    Filed: August 12, 2015
    Date of Patent: August 21, 2018
    Assignee: U&I Corporation
    Inventors: Ja-Kyo Koo, Hyun-Kwang Seok, Seok-Jo Yang, Yu-Chan Kim, Sung-Youn Cho, Jong-Tack Kim
  • Patent number: 9943625
    Abstract: The present invention relates to a magnesium alloy having controlled corrosion resistance properties, which comprises magnesium (Mg) and an alloying element and includes a magnesium phase and a phase composed of magnesium and the alloying element, wherein the difference in electrical potential between the magnesium phase and the phase composed of magnesium and the alloying element is greater than 0 V but not greater than 0.2 V.
    Type: Grant
    Filed: December 9, 2016
    Date of Patent: April 17, 2018
    Assignee: U&I Corporation
    Inventors: Ja-Kyo Koo, Hyun-Kwang Seok, Seok-Jo Yang, Yu-Chan Kim, Sung-Youn Cho, Jong-Tack Kim
  • Publication number: 20170128620
    Abstract: This invention relates to a biodegradable implant including magnesium, wherein the magnesium contains, as impurities, (i) manganese (Mn); and (ii) one selected from the group consisting of iron (Fe), nickel (Ni) and mixtures of iron (Fe) and nickel (Ni), wherein the impurities satisfy the following condition: 0<(ii)/(i)?5, and an amount of the impurities is 1 part by weight or less but exceeding 0 parts by weight based on 100 parts by weight of the magnesium, and to a method of manufacturing the same.
    Type: Application
    Filed: January 13, 2017
    Publication date: May 11, 2017
    Inventors: Ja-Kyo Koo, Hyun-Kwang Seok, Seok-Jo Yang, Yu-Chan Kim, Sung-Youn Cho, Jong-Tack Kim
  • Patent number: 9645141
    Abstract: A method for diagnosing a biomarker using magnetic particles and quantum dots for quantitative analysis and a biomarker diagnosis kit are provided. The method for diagnosing a biomarker includes: ii) providing magnetic particles having surfaces to which a primary antibody capable of collecting a biomarker using a linker is fixed; ii) providing quantum dots having surfaces to which a secondary antibody capable of detecting the biomarker is fixed; iii) sandwich-targeting the biomarker by the magnetic particles and the quantum dots; iv) selectively separating quantum dots sandwich-targeting the biomarker among the quantum dots; and v) quantifying the concentration of the biomarker by measuring absorbance or intensity of fluorescence of separated quantum dots.
    Type: Grant
    Filed: November 29, 2013
    Date of Patent: May 9, 2017
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Kwan Hyi Lee, Ho Young Park, Yu Chan Kim, Hyun Kwang Seok, Seok Lee
  • Publication number: 20170119922
    Abstract: The present invention relates to a magnesium alloy having controlled corrosion resistance properties, which comprises magnesium (Mg) and an alloying element and includes a magnesium phase and a phase composed of magnesium and the alloying element, wherein the difference in electrical potential between the magnesium phase and the phase composed of magnesium and the alloying element is greater than 0 V but not greater than 0.2 V.
    Type: Application
    Filed: December 9, 2016
    Publication date: May 4, 2017
    Inventors: Ja-Kyo Koo, Hyun-Kwang Seok, Seok-Jo Yang, Yu-Chan Kim, Sung-Youn Cho, Jong-Tack Kim
  • Patent number: 9309413
    Abstract: Disclosed are a thermal spray coating material which greatly improves corrosion resistance, as compared to conventional Al2O3 and Y2O3 crystalline coatings and Al—Y—O and Al—Zr—O amorphous thermal spray coatings, a production method of the coating material, and a coating method using the same. The thermal spray coating material has a chemical formula of Y2xZr1?xOx+2, where x ranges from 0.19 to 0.83, preferably from 0.35 to 0.69. Accordingly, it is possible to produce a coating material for use in a chamber of vacuum plasmas equipment or internal parts of the chamber can be produced, which improves the corrosion resistance of a protective coating film upon ceramic thermal spray coating and lengthens the lifespan of parts.
    Type: Grant
    Filed: June 12, 2013
    Date of Patent: April 12, 2016
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Hyun-Kwang Seok, Yu-Chan Kim, Eun-Young Choi, Kyeong-Ho Baik, Kyung-Hun Byun, Hoon Jeong
  • Publication number: 20160095698
    Abstract: Disclosed is an intraocular lens with a fine pattern including an optic having a circular shape, and a plurality of haptics connected to a periphery of the optic, and a pattern is formed on a surface of a partial area of at least one of the optic and the haptics.
    Type: Application
    Filed: June 19, 2015
    Publication date: April 7, 2016
    Inventors: Hojeong JEON, Chunga KWON, Yu Chan KIM, Hyun Kwang SEOK, Jee-Wook LEE, Hyun Soo LEE, Choun Ki JOO
  • Publication number: 20160041172
    Abstract: The present disclosure relates to a composition or a kit that can be used for detection or diagnosis of various diseases.
    Type: Application
    Filed: September 15, 2014
    Publication date: February 11, 2016
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Kwan Hyi LEE, Hyun Kwang Seok, Seok Lee, Gunhyuk Jang, Minhong Jeun
  • Publication number: 20160000964
    Abstract: This invention relates to a biodegradable implant including magnesium, wherein the magnesium contains, as impurities, (i) manganese (Mn); and (ii) one selected from the group consisting of iron (Fe), nickel (Ni) and mixtures of iron (Fe) and nickel (Ni), wherein the impurities satisfy the following condition: 0</(i)?5, and an amount of the impurities is 1 part by weight or less but exceeding 0 parts by weight based on 100 parts by weight of the magnesium, and to a method of manufacturing the same.
    Type: Application
    Filed: August 12, 2015
    Publication date: January 7, 2016
    Inventors: Ja-Kyo Koo, Hyun-Kwang Seok, Seok-Jo Yang, Yu-Chan Kim, Sung-Youn Cho, Jong-Tack Kim
  • Patent number: 9139902
    Abstract: Disclosed are an apparatus and a method for plasma ion implantation of a solid element, which enable plasma ion implantation of a solid element. According to the apparatus and method, a sample is placed on a sample stage in a vacuum chamber, and the inside of the vacuum chamber is maintained as a vacuum state. And, gas is supplied in the vacuum chamber, a first pulsed DC power is applied to a magnetron sputtering source so as to generate plasma ions of a solid element. The plasma ions of a solid element sputtered from the source are implanted on the surface of the sample. The first power is a pulse DC power capable of applying a high power the moment a pulse is applied while maintaining low average power. And, simultaneously with the applying of the first pulse power, a second power may be supplied to the sample stage, which is a high negative voltage pulse accelerating plasma ions of a solid element to the sample and synchronized to the pulse DC power for magnetron sputtering source.
    Type: Grant
    Filed: March 10, 2011
    Date of Patent: September 22, 2015
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Seung-Hee Han, Ji-Young Byun, Hyun-Kwang Seok, Jun-Hyun Han, Yu-Chan Kim, Sung-Bai Lee, Jin-Young Choi
  • Publication number: 20150198532
    Abstract: The invention relates to a biomarker detecting probe which is capable of early detection of a biomarker and precise quantification thereof at the same time, and a method of detecting a biomarker using the same. More particularly, it relates to a biomarker detecting probe comprising a ferritin protein, and a targeting antibody linked with a fluorescent material, superparamagnetic nano particle, and conductive particle, and a method of detecting a biomarker using the same.
    Type: Application
    Filed: May 30, 2014
    Publication date: July 16, 2015
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Kwan Hyi LEE, Minhong JEUN, Yu Chan KIM, Seok LEE, Hyun Kwang SEOK
  • Publication number: 20150064358
    Abstract: A coating material for a thermal spray coating having corrosion resistance and low reactivity, a preparation method thereof, and a coating method thereof are provided. The coating material for thermal spray coating has a composition of Mg1?xY2xO2x+1 (where x is 0.01 to 0.99).
    Type: Application
    Filed: August 28, 2014
    Publication date: March 5, 2015
    Inventors: Hyun Kwang SEOK, Yu Chan KIM, eun young CHOI, Kyeong Ho BAIK, Hoon JEONG
  • Publication number: 20150044665
    Abstract: The present invention relates to a target-specific probe containing T7 bacteriophage with a targeting antibody, and a detection method or a detection kit for a biomarker using the target-specific probe. The biomarker can be detected by using the genetically-modified T7 bacteriophage expressing various heterogeneous proteins and peptides on its surface and antibody-antigen specific reaction which can make the probe targeted to a biomarker or bacteria; and a detectable labeling agent, for example a quantum dot.
    Type: Application
    Filed: October 23, 2013
    Publication date: February 12, 2015
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Kwan-Hyi LEE, Jong-Hoon CHOI, Jong-Wook LEE, Hyun-Kwang SEOK, Mintai Peter HWANG, Jang-won SONG
  • Publication number: 20140302527
    Abstract: This invention relates to a target-specific probe containing a ferritin fusion protein and a targeting agent, a target-specific imaging probe containing a labeling agent coupled to the target-specific probe, and a detection method or detection kit of a biomarker using these probes.
    Type: Application
    Filed: May 22, 2013
    Publication date: October 9, 2014
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Kwan-Hyi LEE, Jong-Hoon Choi, Mintai Peter Hwang, Yu-Chan Kim, Jong-Wook Lee, Hyun-Kwang Seok
  • Publication number: 20140271334
    Abstract: A biodegradable Mg-based alloy and implant are provided. The biodegradable Mg-based alloy is represented with a composition equation Mg100-a-b-cZnaLibZrc, wherein a, b, and c of the composition equation are wt % of Zn, Li, and Zr, respectively, and satisfy 0<a?5, 1?b?3, and 0?c?1, respectively.
    Type: Application
    Filed: October 14, 2013
    Publication date: September 18, 2014
    Applicant: Korea Institute of Science and Technology
    Inventors: Yu Chan KIM, Hyun Kwang SEOK, Do Hyang KIM, Jeong Kyun KIM
  • Publication number: 20140170767
    Abstract: A method for diagnosing a biomarker using magnetic particles and quantum dots for quantitative analysis and a biomarker diagnosis kit are provided. The method for diagnosing a biomarker includes: ii) providing magnetic particles having surfaces to which a primary antibody capable of collecting a biomarker using a linker is fixed; ii) providing quantum dots having surfaces to which a secondary antibody capable of detecting the biomarker is fixed; iii) sandwich-targeting the biomarker by the magnetic particles and the quantum dots; iv) selectively separating quantum dots sandwich-targeting the biomarker among the quantum dots; and v) quantifying the concentration of the biomarker by measuring absorbance or intensity of fluorescence of separated quantum dots.
    Type: Application
    Filed: November 29, 2013
    Publication date: June 19, 2014
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Kwan Hyi LEE, Ho Young PARK, Yu Chan KIM, Hyun Kwang SEOK, Seok LEE