Patents by Inventor Yu-Kyung Jung

Yu-Kyung Jung 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: 12109532
    Abstract: Provided are recombinant microorganisms having a foreign gene encoding a variant of a nitrous oxide reductase protein, a composition comprising the recombinant microorganism or the variant of a nitrous oxide reductase protein for use in removing nitrous oxide in a sample, a variant of a nitrous oxide reductase protein, and a polynucleotide encoding the variant.
    Type: Grant
    Filed: May 23, 2022
    Date of Patent: October 8, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Woo Yong Shim, Seung Hoon Song, Jae-Young Kim, Yu Kyung Jung
  • Patent number: 12106721
    Abstract: Embodiments of the present disclosure relates to a display device. According to an embodiment of the disclosure, a display device includes a substrate including a first display region and a second display region surrounding the first display region, a first pixel disposed in the first display region, a second pixel disposed in the second display region, and scan stages which are disposed in the second display region and apply scan signals to the first pixel and the second pixel. The first pixel includes a first pixel driver including a first pixel transistor and a first pixel light-emitting device connected to the first pixel driver. The second pixel includes a second pixel driver including a second pixel transistor and a second pixel light-emitting device connected to the second pixel driver. The second pixel driver is disposed between scan stages adjacent to each other along a first direction.
    Type: Grant
    Filed: August 10, 2023
    Date of Patent: October 1, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yu Jin Lee, Mu Kyung Jeon, Mee Hye Jung, Hee Jean Park
  • Patent number: 12094924
    Abstract: A capacitor structure, a semiconductor memory device including the same, a method for fabricating the same, and a method for fabricating a semiconductor device including the same are provided. The capacitor structure includes a lower electrode, an upper electrode, and a capacitor dielectric film which is interposed between the lower electrode and the upper electrode, wherein the lower electrode includes an electrode film including a first metal element, and a doping oxide film including an oxide of the first metal element between the electrode film and the capacitor dielectric film, and the doping oxide film further includes a second metal element including at least one of Group 5 to Group 11 and Group 15 metal elements, and an impurity element including at least one of silicon (Si), aluminum (Al), zirconium (Zr) and hafnium (Hf).
    Type: Grant
    Filed: January 3, 2022
    Date of Patent: September 17, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyoo Ho Jung, Sang Yeol Kang, Su Hwan Kim, Dong Kwan Baek, Yu Kyung Shin, Won Sik Choi
  • Publication number: 20240228946
    Abstract: Provided are a recombinant microorganisms having a genetic modification that increases the expression of bacterioferritin, a composition comprising the recombinant microorganism for use in reducing a nitrogen oxide concentration in a sample, and a method of reducing a nitrogen oxide concentration in a sample.
    Type: Application
    Filed: April 17, 2023
    Publication date: July 11, 2024
    Inventors: Yu Kyung Jung, Jae-Young Kim, Seung Hoon Song, Woo Yong Shim
  • Patent number: 12024710
    Abstract: A recombinant microorganism of the genus Escherichia, comprises a genetic modification that increases expression of a nosZ gene encoding NosZ, which is a nitrous oxide reductase, in the recombinant microorganism, wherein the recombinant microorganism comprises a nosR gene encoding NosR, a nosD gene encoding NosD, a nosF gene encoding NosF, a nosY gene encoding NosY, and an apbE gene encoding ApbE, and wherein the nosR gene, the nosD gene, the nosF gene, the nosY gene and the apbE gene are derived from a microorganism of the genus Pseudomonas, the genus Paracoccus, or a combination thereof.
    Type: Grant
    Filed: May 26, 2021
    Date of Patent: July 2, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Woo Yong Shim, Seung Hoon Song, Jae-Young Kim, Dongsik Yang, Yu Kyung Jung
  • Publication number: 20240132834
    Abstract: Provided are a recombinant microorganisms having a genetic modification that increases the expression of bacterioferritin, a composition comprising the recombinant microorganism for use in reducing a nitrogen oxide concentration in a sample, and a method of reducing a nitrogen oxide concentration in a sample.
    Type: Application
    Filed: April 16, 2023
    Publication date: April 25, 2024
    Inventors: Yu Kyung Jung, Jae-Young Kim, Seung Hoon Song, Woo Yong Shim
  • Publication number: 20240102054
    Abstract: A method of reducing a concentration of a nitrogen oxide, the method comprising: contacting a microorganism with a nitrogen oxide-containing sample to reduce the concentration of the nitrogen oxide in the sample, wherein the contacting comprises contacting the microorganism with Fe(II)(L)-NOx in a bioreactor, wherein the Fe(II)(L)-NOx is a complex in which a chelating agent, Fe2+, and NOx are chelated, wherein L is the chelating agent, and wherein NOx is a nitrogen oxide ligand.
    Type: Application
    Filed: September 21, 2023
    Publication date: March 28, 2024
    Inventors: Seung Hoon Song, Heejoo Han, Woo Yong Shim, Sukhwan Yoon, Jae-Young Kim, Sojung Yoon, Yu Kyung Jung
  • Publication number: 20230383266
    Abstract: Provided are polynucleotides encoding variants of nitrous oxide reductase proteins, recombinant microorganisms including a foreign gene encoding a variant of a nitrous oxide reductase protein, and a composition comprising the recombinant microorganism or the variant of a nitrous oxide reductase protein for use in removing nitrous oxide in a sample.
    Type: Application
    Filed: May 16, 2023
    Publication date: November 30, 2023
    Inventors: Woo Yong Shim, Seung Hoon Song, Anurag Kumar, Jung-Kul Lee, Jae-Young Kim, Yu Kyung Jung
  • Patent number: 11753647
    Abstract: An isolated polynucleotide including a promoter region derived from a bacterium of the genus Paracoccus, a recombinant host cell including the isolated polynucleotide, and a method of expressing a target gene by culturing a recombinant host cell comprising a polynucleotide comprising the promoter region and a target gene operably linked to the promoter region, under conditions in which the target gene is expressed.
    Type: Grant
    Filed: January 19, 2021
    Date of Patent: September 12, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae-Young Kim, Taeyong Kim, Seung Hoon Song, Woo Yong Shim, Yu Kyung Jung
  • Publication number: 20230183755
    Abstract: A recombinant microorganism including a genetic modification that increases expression of a gene encoding a ferric enterobactin transporter-associated protein or a gene encoding a TonB-dependent transporter-associated protein, or a genetic modification that decreases expression of a fur gene encoding a ferric uptake regulator (Fur) protein, wherein the recombinant microorganism removes greater amounts of nitric oxide from a sample comprising nitric oxide than a same microorganism without the genetic modification
    Type: Application
    Filed: May 31, 2022
    Publication date: June 15, 2023
    Inventors: Yu Kyung Jung, Jae-Young Kim, Seung Hoon Song, Woo Yong Shim
  • Publication number: 20230173432
    Abstract: Provided are recombinant microorganisms having a foreign gene encoding a variant of a nitrous oxide reductase protein, a composition comprising the recombinant microorganism or the variant of a nitrous oxide reductase protein for use in removing nitrous oxide in a sample, a variant of a nitrous oxide reductase protein, and a polynucleotide encoding the variant.
    Type: Application
    Filed: May 23, 2022
    Publication date: June 8, 2023
    Inventors: Woo Yong Shim, Seung Hoon Song, Jae-Young Kim, Yu Kyung Jung
  • Publication number: 20220177896
    Abstract: A recombinant microorganism of the genus Escherichia, comprises a genetic modification that increases expression of a nosZ gene encoding NosZ, which is a nitrous oxide reductase, in the recombinant microorganism, wherein the recombinant microorganism comprises a nosR gene encoding NosR, a nosD gene encoding NosD, a nosF gene encoding NosF, a nosY gene encoding NosY, and an apbE gene encoding ApbE, and wherein the nosR gene, the nosD gene, the nosF gene, the nosY gene and the apbE gene are derived from a microorganism of the genus Pseudomonas, the genus Paracoccus, or a combination thereof.
    Type: Application
    Filed: May 26, 2021
    Publication date: June 9, 2022
    Inventors: Woo Yong Shim, Seung Hoon Song, Jae-Young Kim, Dongsik Yang, Yu Kyung Jung
  • Publication number: 20220162650
    Abstract: A recombinant microorganism including a genetic modification that increases activity of nitric oxide reductase in the recombinant microorganism, a composition for reducing a concentration of nitric oxide in a sample, the composition including the recombinant microorganism, and a method of reducing a concentration of nitric oxide in a sample, are disclosed.
    Type: Application
    Filed: April 7, 2021
    Publication date: May 26, 2022
    Inventors: Yu Kyung Jung, Woo Yong Shim, Jae-Young Kim, Seung Hoon Song, Dongsik Yang
  • Publication number: 20220154132
    Abstract: A method of reducing a concentration of N2O, NO, or a combination thereof in a medium, the method comprising: culturing a microorganism of the genus Paracoccus, a microorganism of the genus Pseudomonas, or a combination thereof in a liquid medium comprising Mg2+ ions and Fe(II)(L)-NO, N2O, or a combination thereof, wherein L is a chelating agent; and reducing NO to N2O or N2, or reducing N2O to N2.
    Type: Application
    Filed: April 6, 2021
    Publication date: May 19, 2022
    Inventors: Seung Hoon Song, Woo Yong Shim, Jae-Young Kim, Yu Kyung Jung
  • Publication number: 20220025386
    Abstract: An isolated polynucleotide including a promoter region derived from a bacterium of the genus Paracoccus, a recombinant host cell including the isolated polynucleotide, and a method of expressing a target gene by culturing a recombinant host cell comprising a polynucleotide comprising the promoter region and a target gene operably linked to the promoter region, under conditions in which the target gene is expressed.
    Type: Application
    Filed: January 19, 2021
    Publication date: January 27, 2022
    Inventors: Jae-Young Kim, Taeyong Kim, Seung Hoon Song, Woo Yong Shim, Yu Kyung Jung
  • Patent number: 9410167
    Abstract: The present invention relates to cells or plants that can produce polylactate or its copolymers and to a method for preparing polylactate or its copolymers using the same. More specifically, cells or plants with the ability to produce polylactate or hydroxyalkanoate-lactate copolymers comprise both a gene encoding an enzyme that converts lactate into lactyl-CoA and a gene encoding polyhydroxyalkanoate (PHA) synthase which uses lactyl-CoA as a substrate. Also described is a method for preparing polylactate or hydroxyalkanoate-lactate copolymers which comprises culturing the cells in a medium containing lactate or lactate and various hydroxyalkanoates or culturing the plants. Effective preparation of hydroxyalkanoate-lactate copolymer which comprises various hydroxyalkanoates as well as polylactate, using the cells or the plants, is disclosed.
    Type: Grant
    Filed: May 24, 2006
    Date of Patent: August 9, 2016
    Assignees: LG CHEM, LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jun-Hyeong Cho, Si-Jae Park, Sang-Yup Lee, Yu-Kyung Jung
  • Patent number: 9120891
    Abstract: Provided is a method of preparing polylactate (PLA) or a copolymer thereof using a mutant microorganism in which a gene participating in a coenzyme A (CoA) donor- and lactate-producing pathway is genetically manipulated to increase the productivity of a CoA donor and lactate. Amounts of the CoA donor and the lactate are simultaneously increased in a microbial metabolic pathway to enable effective biosynthesis of PLA and a hydroxyalkanoate-lactate copolymer having a high content of lactate, which is industrially useful.
    Type: Grant
    Filed: June 24, 2009
    Date of Patent: September 1, 2015
    Assignees: LG CHEM, LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Sang Yup Lee, Yu Kyung Jung, Taek Ho Yang, Si Jae Park, Tae Wan Kim
  • Publication number: 20150024447
    Abstract: A mutant butyraldehyde dehydrogenase (Bld), a polynucleotide having a nucleotide encoding the mutant, a vector including the polynucleotide, a microorganism including a nucleotide encoding the mutant, and a method of producing 1,4-butanediol using the same.
    Type: Application
    Filed: July 18, 2014
    Publication date: January 22, 2015
    Inventors: Ji-eun KIM, Jin-woo Park, Jin-hwan Park, Yu-kyung Jung, Hwa-young Cho, Jae Chan Park, Kwang-myung Cho
  • Patent number: 8883463
    Abstract: There is provided a recombinant microorganism having producibility of poly(lactate-co-glycolate) from glucose, and more particularly, a recombinant microorganism having producibility of poly(lactate-co-glycolate) without adding an exogenous glycolate precursor, and a method of preparing [poly(preparing lactate-co-glycolate)] using the same. According to the present invention, the poly(lactate-co-glycolate) in which the concentration of the glycolate fraction is high may be prepared at a high concentration without supplying exogenous glyoxylate. Therefore, the present invention may be effectively used for treatment.
    Type: Grant
    Filed: March 9, 2012
    Date of Patent: November 11, 2014
    Assignees: Korea Advanced Institute of Science and Technology, Korea Research Institute of Chemical Technology
    Inventors: Sang Yup Lee, Si Jae Park, Seung Hwan Lee, Bong Keun Song, Yu Kyung Jung, Tae Woo Lee
  • Publication number: 20140030775
    Abstract: There is provided a recombinant microorganism having producibility of poly(lactate-co-glycolate) from glucose, and more particularly, a recombinant microorganism having producibility of poly(lactate-co-glycolate) without adding an exogenous glycolate precursor, and a method of preparing [poly(preparing lactate-co-glycolate)] using the same. According to the present invention, the poly(lactate-co-glycolate) in which the concentration of the glycolate fraction is high may be prepared at a high concentration without supplying exogenous glyoxylate. Therefore, the present invention may be effectively used for treatment.
    Type: Application
    Filed: March 9, 2012
    Publication date: January 30, 2014
    Applicants: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY, KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Sang Yup Lee, Si Jae Park, Seung Hwan Lee, Bong Keun Song, Yu Kyung Jung, Tae Woo Lee