Patents by Inventor Hyeon Choi

Hyeon Choi 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).

  • sp. strain having prophylactic or therapeutic effects on degenerative brain diseases and use thereof
    Patent number: 11542468
    Abstract: Provided are an Agathobaculum sp. strain having prophylactic or therapeutic effects on degenerative brain diseases, and use thereof. Since the intestinal microorganism Agathobaculum butyriciproducens SR79 strain of the present invention may have effects of inhibiting neuroinflammation and effects of improving movement regulation and cognitive and memory functions in animal models with degenerative brain diseases such as Parkinson's disease and Alzheimer's disease, the strain may be effectively used in foods, medicines, or feeds for preventing or treating brain diseases including Alzheimer's disease, Parkinson's disease, mild cognitive impairment, etc., and therefore, it is very useful in the relevant industries.
    Type: Grant
    Filed: June 14, 2017
    Date of Patent: January 3, 2023
    Assignee: HEALTHBIOME
    Inventors: Byoung-Chan Kim, Chul-Ho Lee, Kyoung-Shim Kim, Myung-Hee Kim, Sang Jun Lee, Dong-Ho Chang, Doo-Sang Park, Jung Hwan Hwang, Yong-Hoon Kim, Dong-Hee Choi, Jung-Ran Noh, In-Bok Lee, Young-Keun Choi, Yun-Jung Seo, Jung-Hyeon Choi, Jun Go, Hye-Yeon Park, Young-Kyoung Ryu, Moon-Soo Rhee
  • Carbon nanotube dispersion and method for preparing the same
    Patent number: 11542164
    Abstract: The present invention relates to a carbon nanotube dispersion including carbon nanotubes, a polymer dispersant containing an amine, a phenolic compound including two or more aromatic rings, and an aqueous solvent, wherein the polymer dispersant and the phenolic compound including two or more aromatic rings are included in a weight ratio of 100:1 to 100:90, and having low viscosity and a small change of viscosity over time.
    Type: Grant
    Filed: June 7, 2019
    Date of Patent: January 3, 2023
    Assignee: LG Chem, Ltd.
    Inventors: Dong Hyun Kim, Houng Sik Yoo, Jin Myung Cha, Gye Min Kwon, Hyun Sik Chae, Dong Hyun Cho, Sang Hoon Choy, Hyeon Choi, Hyung Suk Cho
  • Slurry composition for coating secondary battery separator and secondary battery separator prepared using same
    Patent number: 11539099
    Abstract: A slurry composition for coating a secondary battery separator, a separator prepared using the same, and a secondary battery including the separator, wherein the slurry composition includes a phenolic compound including two or more aromatic rings, inorganic particles, a binder, and a solvent.
    Type: Grant
    Filed: December 5, 2018
    Date of Patent: December 27, 2022
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Gye Min Kwon, Houng Sik Yoo, Hyeon Choi, Da Kyung Han, Je An Lee
  • Ultrasonic diagnostic device and control method therefor
    Patent number: 11504087
    Abstract: Provided is an ultrasound diagnostic apparatus including a probe configured to induce displacement in tissue of an object by irradiating a first focused beam of a first frequency to the object; and a processor configured to obtain a first ultrasound image of the object in which displacement has been induced; to determine whether the induced displacement is appropriate based on the obtained first ultrasound image; when the induced displacement is not appropriate, to control the probe to irradiate a second focused beam of a second frequency different from the first frequency to the object, so as to induce displacement in the tissue of the object; and to process a second ultrasound image of the object in which displacement has been induced by the second focused beam.
    Type: Grant
    Filed: November 4, 2016
    Date of Patent: November 22, 2022
    Assignee: SAMSUNG MEDISON CO., LTD.
    Inventors: Dong-geon Kong, Seong-hyeon Choi, Hyoung-ki Lee
  • Preparation Method for Super Absorbent Polymer Sheet, Super Absorbent Polymer Sheet Prepared Therefrom
    Publication number: 20220362743
    Abstract: The present disclosure relates to a preparation method for a super absorbent polymer sheet and a super absorbent polymer sheet prepared therefrom. According to the preparation method of the present disclosure, a porous super absorbent polymer sheet can be prepared by a simplified process.
    Type: Application
    Filed: July 28, 2022
    Publication date: November 17, 2022
    Applicant: LG Chem, Ltd.
    Inventors: Ki Youl Yoon, Gi Cheul Kim, Hyeon Choi, Hyo Sook Joo, Ju Eun Kim
  • Substrate
    Patent number: 11467452
    Abstract: A substrate on which spacers are disposed in a certain arrangement state and an optical device using such a substrate are provided. A plurality of spacers are irregularly disposed on a substrate depending on a predetermined rule, so that overall uniform optical characteristics can be ensured without causing a so-called moire phenomenon or the like, while the spacers maintain the uniform cell gap in the construction of the optical device.
    Type: Grant
    Filed: July 27, 2018
    Date of Patent: October 11, 2022
    Inventors: Han Min Seo, Ji Young Hwang, Hyeon Choi, Seung Heon Lee, Dong Hyun Oh, Jung Sun You, Cheol Ock Song, Nam Seok Bae
  • Solid hydrogen storage device
    Patent number: 11466814
    Abstract: A solid hydrogen storage device provides an improved heat-transfer efficiency by improving the contact properties between heat-exchange tubes and heat-transfer fins. The solid hydrogen storage device includes a heat-transfer fin including a plurality of tube through holes, a heating tube, and a cooling tube. The heating tube and the cooling tube respectively extend through the tube through holes, and the heating tube and the cooling tube have different coefficients of thermal expansion.
    Type: Grant
    Filed: November 20, 2019
    Date of Patent: October 11, 2022
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Ji Hye Park, Kyung Moon Lee, Dong Hoon Nam, Young Jin Cho, Seung Hyeon Choi, Yun Su Lee, Hoon Mo Park
  • Method for preparing superabsorbent polymer, and superabsorbent polymer
    Patent number: 11459430
    Abstract: The present invention relates to a method for preparing superabsorbent polymer that introduces a plate type and rod-shaped clay additive in the superabsorbent polymer, and thus exhibits basic properties of a superabsorbent polymer equivalent to or much better than the existing superabsorbent polymer through multi-crosslinking, and particularly, can improve absorbency under pressure (AUP), and a superabsorbent polymer obtained thereby.
    Type: Grant
    Filed: June 21, 2017
    Date of Patent: October 4, 2022
    Inventors: Ki Youl Yoon, Hyo Sook Joo, Gi Cheul Kim, Hyeon Choi, Ju Eun Kim
  • METHOD OF MANUFACTURING COMPOSITE ELECTRODE FOR ALL-SOLID-STATE BATTERY, AND COMPOSITE ELECTRODE FOR ALL-SOLID-STATE BATTERY MANUFACTURED THEREBY
    Publication number: 20220302441
    Abstract: A method of manufacturing a composite electrode for an all-solid-state battery includes: preparing a precursor solution by mixing at least one solid electrolyte precursor and at least one polar solvent; stirring the precursor solution; preparing an electrode slurry by adding an active material to the stirred precursor solution; and heat-treating the electrode slurry and obtaining the composite electrode for the all-solid-state battery, wherein the composite electrode for the all-solid-state battery includes: the active material; and a coating layer disposed on the active material and including a solid electrolyte.
    Type: Application
    Filed: August 20, 2021
    Publication date: September 22, 2022
    Applicants: HYUNDAI MOTOR COMPANY, Kia Corporation
    Inventors: Sun Ho CHOI, Yong Jun JANG, In Woo SONG, Sang Heon LEE, Sang Soo LEE, So Young KIM, Seong Hyeon CHOI, Sa Heum KIM, Jae Min LIM
  • METHOD OF MANUFACTURING SULFIDE-BASED SOLID ELECTROLYTE WITHOUT GENERATION OF IMPURITIES, AND SULFIDE-BASED SOLID ELECTROLYTE MANUFACTURED USING SAME
    Publication number: 20220267149
    Abstract: A method of manufacturing a sulfide-based solid electrolyte, includes mixing a raw material with an organic solvent to manufacture a mixed solution; a heating step of heating and agitating the mixed solution; a cooling step of cooling and agitating the heated mixed solution; a re-heating step of heating and agitating the cooled mixed solution; and a heat treatment step, effectively synthesizing a sulfide-based solid electrolyte by heating and cooling a mixed solution containing a raw material in an organic solvent to a predetermined temperature.
    Type: Application
    Filed: February 18, 2022
    Publication date: August 25, 2022
    Applicants: HYUNDAI MOTOR COMPANY, Kia Corporation
    Inventors: Sun Ho Choi, Yong Jun Jang, In Woo Song, Sang Soo Lee, So Young Kim, Seong Hyeon Choi, Sa Heum Kim, Sang Heon Lee
  • Preparation method for super absorbent polymer sheet, super absorbent polymer sheet prepared therefrom
    Patent number: 11420185
    Abstract: The present disclosure relates to a preparation method for a super absorbent polymer sheet and a super absorbent polymer sheet prepared therefrom. According to the preparation method of the present disclosure, a porous super absorbent polymer sheet can be prepared by a simplified process.
    Type: Grant
    Filed: August 17, 2018
    Date of Patent: August 23, 2022
    Inventors: Ki Youl Yoon, Gi Cheul Kim, Hyeon Choi, Hyo Sook Joo, Ju Eun Kim
  • Controlled-release type fertilizer with decreased floating property comprising polyoxyethylene alky(-aryl) ether and method for preparing the same
    Patent number: 11377395
    Abstract: The present invention relates to a controlled-release type fertilizer with remarkably decreased floating property, comprising a granular fertilizer core; a coating layer (shell) formed on the surface of the granular fertilizer core, and comprising olefin-based resin; and additives attached on the coating layer, and comprising polyoxyethylene alkyl(-aryl)ether.
    Type: Grant
    Filed: September 13, 2018
    Date of Patent: July 5, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Mihee Kim, Hyo Sook Joo, Eun Kyoung Park, Hyeon Choi, Ki Youl Yoon, Joon Seok Lee
  • Conductive Material Dispersion, and Electrode and Lithium Secondary Battery Manufactured Using the Same
    Publication number: 20220209239
    Abstract: A conductive material dispersion includes a carbon-based conductive material, a main dispersant, an auxiliary dispersant, and a dispersion medium, wherein the main dispersant is a nitrile-based copolymer and the auxiliary dispersant is a copolymer including an oxyalkylene unit and at least one selected from the group consisting of a styrene unit and an alkylene unit.
    Type: Application
    Filed: May 12, 2020
    Publication date: June 30, 2022
    Applicant: LG Energy Solution, Ltd.
    Inventors: Dong Hyun Kim, Houng Sik Yoo, Seong Kyun Kang, Gye Min Kwon, Hyeon Choi
  • Controlled-release type fertilizer with decreased floating property comprising tri-block copolymer and method for preparing the same
    Patent number: 11370719
    Abstract: The present invention relates to a controlled-release type fertilizer with outstandingly decreased floating property, comprising a granular fertilize core; a coating layer (shell) formed on the surface of the granular fertilizer core, and comprising olefin-based resin; and additives attached on the coating layer, and comprising ethylene oxide-propylene oxide-ethylene oxide(EO-PO-EO) or propylene oxide-ethylene oxide-propylene oxide(PO-EO-PO) tri-block copolymer.
    Type: Grant
    Filed: September 13, 2018
    Date of Patent: June 28, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Mihee Kim, Hyosook Joo, Eun Kyoung Park, Hyeon Choi, Kiyoul Yoon, Joon Seok Lee
  • MARKER COMPOSITION FOR DIAGNOSING OR PREDICTING PROGNOSIS OF LUNG CANCER BASED ON EXOSOME OVEREXPRESSING GCC2 GENE OR PROTEIN
    Publication number: 20220196664
    Abstract: According to an embodiment of the present invention, a composition for diagnosing or predicting the prognosis of lung cancer is provided, the composition including a primer, probe, or antibody that specifically binds to a GRIP and coiled-coil domain-containing protein (GCC2) gene or protein in an exosome.
    Type: Application
    Filed: November 30, 2021
    Publication date: June 23, 2022
    Inventors: Hyun Koo KIM, Sung Hoi HONG, Yong PARK, Yeon Ho CHOI, Ji Ho PARK, Byeong Hyeon CHOI, Hye Sun JEONG
  • Display Device
    Publication number: 20220180792
    Abstract: Disclosed is a display device for increasing an aperture ratio of a transmissive part. The display device includes data lines overlapping with one or more of the pixels emitting light to display an image. Each pixel includes subpixels arranged within the pixel along a same direction as the data lines. The display device further includes transmissive parts arranged in the first direction and corresponding to adjacent pixels. In addition to the data lines overlapping the pixels, the display device may include power lines and reference voltage lines parallel with the data lines and overlapping with the pixels. The display device may include scan lines and sensing lines arranged to cross the transmissive parts and data lines. As a result, the number of lines crossing the transmissive parts is reduced, thereby increasing an aperture ratio of the transmissive parts.
    Type: Application
    Filed: February 22, 2022
    Publication date: June 9, 2022
    Inventors: Jeong Hyeon CHOI, Binn KIM, Joon Soo HAN
  • Carbon Nanotube Dispersion, and Negative Electrode Slurry, Negative Electrode, and Lithium Secondary Battery Including the Same
    Publication number: 20220166027
    Abstract: A carbon nanotube dispersion includes carbon nanotubes (CNT) having a Brunauer-Emmett-Teller (BET) specific surface area of 800 m2/g or more, a dispersant, and a water-based solvent, wherein the dispersant includes a polymer dispersant containing an amine and a phenolic compound containing two or more aromatic rings.
    Type: Application
    Filed: August 21, 2020
    Publication date: May 26, 2022
    Applicant: LG Energy Solution, Ltd.
    Inventors: Dong Hyun Kim, Houng Sik Yoo, Il Jae Moon, Sang Hoon Choy, Hyeon Choi
  • MARKER COMPOSITION FOR DIAGNOSING CANCER OR PREDICTING PROGNOSIS ON BASIS OF EXOSOME OVEREXPRESSING TUBA1C PROTEIN
    Publication number: 20220154283
    Abstract: According to an embodiment of the present disclosure, there is provided a marker composition for diagnosing cancer or predicting prognosis, comprising exosomes overexpressing a Tubulin alpha-1C chain (TUBA1C) protein.
    Type: Application
    Filed: April 3, 2020
    Publication date: May 19, 2022
    Inventors: Hyun Koo KIM, Sung Hoi HONG, Yong PARK, Yeon Ho CHOI, Byeong Hyeon CHOI, Ji Ho PARK
  • Super Absorbent Polymer Composition
    Publication number: 20220143578
    Abstract: The present disclosure relates to a super absorbent polymer composition. More specifically, the present disclosure relates to a super absorbent polymer composition prepared such that agglomeration between polymer particles is suppressed by including an additive having a specific structure, and thus an additional pulverizing process is not required after drying.
    Type: Application
    Filed: November 10, 2020
    Publication date: May 12, 2022
    Applicant: LG Chem, Ltd.
    Inventors: Se Yeol Park, Gicheul Kim, Hyeon Choi, Mihee Kim, Kiyoul Yoon, Ki Hyun Kim
  • Separator Assembly for Fuel Cell and Fuel Cell Stack Including Same
    Publication number: 20220131172
    Abstract: A separator assembly for a fuel cell includes a first separator having tunnel-shaped fastening parts formed on a plurality of points of an edge area thereof, and a second separator having insert parts formed at positions corresponding to each of the fastening parts of the first separator on an edge area thereof to be inserted into the fastening parts, wherein the insert parts of the second separator are inserted into the fastening parts of the first separator to assemble the first separator and the second separator.
    Type: Application
    Filed: February 24, 2021
    Publication date: April 28, 2022
    Inventors: Jae Hyeon Choi, Woo Chul Shin