Patents by Inventor Gyu Choi

Gyu 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).

  • Publication number: 20250144007
    Abstract: The present invention relates to a microorganism-based cosmetic composition containing, as an active ingredient, at least one of a fermentation product of Lactococcus lactis, a fermentation product of Limosilactobacillus reuteri, and a fermentation product of Saccharomyces cerevisiae, and containing a fermentation product of Lactiplantibacillus plantarum as an active ingredient, as well as a method for producing the same.
    Type: Application
    Filed: January 13, 2025
    Publication date: May 8, 2025
    Applicant: LABIO CO., LTD.
    Inventors: Ju A KIM, Chae Yeon KIM, Eun Kyung RYU, Hee Sang HAN, Hyun Sook LEE, Jin Mo KIM, Jin Young KIM, Ho Sam KI, Yang Gyu CHOI
  • Publication number: 20250102428
    Abstract: Disclosed are a method of measuring moisture content of lignocellulosic biomass and sample compressor for measuring the same. The method of measuring the moisture content of lignocellulosic biomass comprises: (a) supplying a sample containing a lignocellulosic biomass; (b) acquiring the near-infrared spectrum of the sample; (c) mathematical preprocessing of the near-infrared spectrum; (d) Regression analysis (PLSR) of the mathematically pretreated near-infrared line spectrum by partial least squares method to construct a moisture content prediction model; and (e) obtaining the moisture content of the sample using the moisture content prediction model. According to the present disclosure, there is no data variation according to the density of the sample, the amount of the sample is not reduced because there is no sample collection for density measurement, and it is non-destructive and has the effect of quickly measuring the moisture content.
    Type: Application
    Filed: September 11, 2024
    Publication date: March 27, 2025
    Inventors: Hwanmyeong YEO, Sung-Wook HWANG, Taekyeong LEE, Myungsik CHO, In-Gyu CHOI, Hyo Won KWAK, Bat-uchral BATJARGAL
  • Patent number: 12256339
    Abstract: Disclosed is an operation method of an electronic apparatus assigning power based on a position of a terminal, the method including receiving data transmission requests from a first terrestrial terminal and a second terrestrial terminal, wherein the first terrestrial terminal and the second terrestrial terminal use overlapped frequency resources, and assigning a first transmission power intensity to the first terrestrial terminal and assigning a second transmission power intensity to the second terrestrial terminal based on a position of the first terrestrial terminal and a position of the second terrestrial terminal.
    Type: Grant
    Filed: August 23, 2022
    Date of Patent: March 18, 2025
    Assignee: AGENCY FOR DEFENSE DEVELOPMENT
    Inventors: Hyeok Gyu Choi, Seung Ho Kim, Chul Hee Choi, Ju Hyung Lee
  • Patent number: 12239281
    Abstract: A cleaning apparatus including a vacuum cleaner and a docking station is provided. The cleaning apparatus includes a vacuum cleaner including a dust collecting chamber in which foreign substances are collected, and a docking station configured to be connected to the dust collecting chamber to remove the foreign substances collected in the dust collecting chamber. The dust collecting chamber is configured to collect foreign substances through centrifugation, and configured to be docked to the docking station, and the docking station includes a suction device configured to suction the foreign substances and air in the dust collecting chamber docked to the docking station.
    Type: Grant
    Filed: August 9, 2023
    Date of Patent: March 4, 2025
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: See Hyun Kim, In Gyu Choi, Ki Hwan Kwon, Shin Kim, Hyeon Cheol Kim, Do Kyung Lee, Hyun Ju Lee, Yun Soo Jang, Seung Ryong Cha, Jung Gyun Han
  • Publication number: 20250067634
    Abstract: A manufacturing method of a sample collector for collection and transport of biological liquid samples, which includes a supporter, and a collecting part which is formed at an end portion of the supporter and to which fiber yarns are planted, includes the steps of: A) preparing two or more fiber yarns which are different from each other in at least one of length and width; and B) planting each of the fiber yarns to the collecting part based on a flocking method, wherein the step B) comprises the steps of: B1) mixing and putting the fiber yarns into a planting container so that the fiber yarns are distributed evenly; B2) inserting the collecting part into the planting container and applying adhesive onto the surface of the collecting part; and B3) planting the fiber yarns to the collecting part by electrostatic charge of each of the fiber yarns.
    Type: Application
    Filed: November 11, 2024
    Publication date: February 27, 2025
    Applicants: SG Medical, Inc.
    Inventor: Myung gyu Choi
  • Patent number: 12234176
    Abstract: A method of fabricating a cover glass includes preparing a base member including a first area and a second area, wherein a surface of the base member is substantially parallel to a direction in the first area and is inclined with respect to the direction in the second area, and forming an ink layer on the surface of the base member in the second area, and forming a first print layer by removing a portion of the ink layer and forming a second print layer on the first print layer.
    Type: Grant
    Filed: August 24, 2023
    Date of Patent: February 25, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Byoung Yul Shim, Jung A Lee, Jae Seung Jeon, Beom Gyu Choi
  • Patent number: 12235472
    Abstract: A display device includes a display panel including a plurality of pixel regions and displaying a picture; and a light path controlling member located on a front surface of the display panel and transmitting the picture output from the display panel, wherein the light path controlling member includes a plurality of separation walls and a plurality of light path portions between the plurality of separation walls, and wherein a period of the light path portion is different from a period of the pixel region.
    Type: Grant
    Filed: September 10, 2021
    Date of Patent: February 25, 2025
    Assignee: LG Display Co., Ltd.
    Inventors: Se-Jin Lee, Young-Woong Kim, Seung-Soo Yang, Min-Gyu Choi
  • Publication number: 20250042832
    Abstract: Proposed is a method of preparing glucaric acid from glucose through TEMPO oxidation. The method of preparing glucaric acid includes (a) reacting glucose in a solvent through an oxidation reaction using 4-acetamido-TEMPO serving as a nitroxide radical-mediated organocatalyst, potassium bromide serving as a co-catalyst, and potassium hypochlorite serving as an oxidizing agent to prepare glucaric acid. The method can improve the conversion efficiency of glucose to glucaric acid through optimal conditions of the temperature, pH, and input of the oxidizing agent in an oxidation reaction using a TEMPO acid catalyst.
    Type: Application
    Filed: February 15, 2024
    Publication date: February 6, 2025
    Inventors: In-Gyu CHOI, Jonghwa KIM, Jong-Chan KIM, Young-Min CHO, Chae-Hwi YOON, Daye KIM, Jun Ho SHIN, Hwanmyeong YEO, Hyo Won KWAK
  • Publication number: 20250027646
    Abstract: Proposed is a gas preheating torch that projects a flame. A hollow adaptor module is connectable to a portable gas container. A gas valve body module has a gas flow path to discharge gas introduced from the portable gas container. A gas temperature change module includes a gas inlet pipe connected to the gas valve body module, a bent gas pipe connected to the gas inlet pipe, and a gas outlet pipe connected to the bent gas pipe and the gas valve body module. A heat exchange promotion module enables heat exchange between gas flowing through the gas inlet pipe and gas flowing through the gas outlet pipe. A burner module is connected to the gas valve body module and located behind the bent gas pipe to spray gas discharged from the gas valve body module, project a flame, and heat the bent gas pipe.
    Type: Application
    Filed: July 19, 2024
    Publication date: January 23, 2025
    Applicant: M.I.T. LIMITED
    Inventors: Myeong Gyu CHOI, Hong Sik JI
  • Patent number: 12196649
    Abstract: A manufacturing method of a sample collector for collection and transport of biological liquid samples, which includes a supporter, and a collecting part which is formed at an end portion of the supporter and to which fiber yarns are planted, includes the steps of: A) preparing two or more fiber yarns which are different from each other in at least one of length and width; and B) planting each of the fiber yarns to the collecting part based on a flocking method, wherein the step B) comprises the steps of: B1) mixing and putting the fiber yarns into a planting container so that the fiber yarns are distributed evenly; B2) inserting the collecting part into the planting container and applying adhesive onto the surface of the collecting part; and B3) planting the fiber yarns to the collecting part by electrostatic charge of each of the fiber yarns.
    Type: Grant
    Filed: May 26, 2021
    Date of Patent: January 14, 2025
    Assignees: SG Medical, Inc., IL SHIN FIBERCOATING CO.
    Inventor: Myung gyu Choi
  • Publication number: 20250003279
    Abstract: A sliding-door drive unit for a vehicle is capable of transferring or blocking drive power required to pull or push a cable to open or close a sliding door. The sliding-door drive unit includes a worm wheel rotatable by a drive motor, a stationary disc coupled to an output shaft, and a movable disc rotatably installed between the worm wheel and the stationary disc along an axial direction of the output shaft. The movable disc is engaged with the worm wheel and is selectively engaged with the stationary disc.
    Type: Application
    Filed: November 6, 2023
    Publication date: January 2, 2025
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, PYEONG HWA AUTOMOTIVE CO., LTD.
    Inventors: Hyung-In Yun, So-Yeon Park, Jong-Han Woo, Ki-Hwan Jeong, Soo-Chul Lee, Moon-Gyu Choi, Seong-Tae Hong
  • Publication number: 20250003278
    Abstract: A sliding-door drum assembly capable of being assembled in a facilitative manner by enabling a cable to be elastically supported and to maintain an appropriate tensile force after being assembled is proposed. The sliding-door drum assembly includes: a cable pulling a sliding door rotatably installed on a vehicle to slide the sliding door; and a drum around which the cable is wound; a drum adapter connected to an output shaft of a drive unit. The drum is installed on the drum adapter. Additionally, the sliding-door drum assembly may include an elastic member elastically supporting the drum against the drum adapter.
    Type: Application
    Filed: November 8, 2023
    Publication date: January 2, 2025
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, PYEONG HWA AUTOMOTIVE CO., LTD.
    Inventors: Hyung-In Yun, So-Yeon Park, Jong-Han Woo, Ki-Hwan Jeong, Soo-Chul Lee, Moon-Gyu Choi, Seong-Tae Hong
  • Publication number: 20240429807
    Abstract: A balancing circuit according to an embodiment of the present invention comprises: a second resistor connected to the same node as that of a first resistor of a voltage sensing unit connected to a first terminal of an output end of a power conversion device; and a fourth resistor connected to the same node as that of a third resistor of the voltage sensing unit connected to a second terminal of the output end of the power conversion device, wherein the second resistor and the fourth resistor are connected to an upper switch of the power conversion device.
    Type: Application
    Filed: July 4, 2022
    Publication date: December 26, 2024
    Inventors: Dong Keun YOON, Sung Jae KONG, Sang Gyu CHOI
  • Publication number: 20240421610
    Abstract: Provided is an operating method of a battery control system including a plurality of batteries, the operating method including detecting, by a processor, an operation of an external device is off, identifying, by the processor, a remaining state of charge (SoC) of each of the plurality of batteries, and performing, by the processor, a cell balancing up to a designated level for at least one of the plurality of batteries having a remaining SoC exceeding a threshold value.
    Type: Application
    Filed: October 17, 2022
    Publication date: December 19, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Moon Gyu Choi, Ki Hun Kim, Jun Oh Park
  • Patent number: 12166101
    Abstract: A method of manufacturing a high-electron-mobility transistor device is provided. The method includes sequentially forming a transition layer and a semiconductor layer on a substrate, etching a portion of a surface of the semiconductor layer to form a barrier layer region having a certain depth and forming a barrier layer in the barrier layer region, forming a source electrode and a drain electrode on a 2-dimensional electron gas (2-DEG) layer upward exposed at a surface of the semiconductor layer, in defining the 2-DEG layer formed along an interface between the semiconductor layer and the barrier layer, forming a passivation layer on the semiconductor layer, the barrier layer, the source electrode, and the drain electrode and etching a portion of the passivation layer to upward expose the source electrode, the drain electrode, and the barrier layer, and forming a gate electrode on the upward exposed barrier layer.
    Type: Grant
    Filed: February 14, 2022
    Date of Patent: December 10, 2024
    Assignee: ELECTRONICS AND TELECOMMINICATIONS RESEARCH INSTITUTE
    Inventors: Soo Cheol Kang, Hyun Wook Jung, Seong IL Kim, Hae Cheon Kim, Youn Sub Noh, Ho Kyun Ahn, Sang Heung Lee, Jong Won Lim, Sung Jae Chang, Il Gyu Choi
  • Patent number: 12131978
    Abstract: The present invention improves a heat dissipation property of a semiconductor device by transferring hexagonal boron nitride (hBN) with a two-dimensional nanostructure to the semiconductor device. A semiconductor device of the present invention includes a substrate having a first surface and a second surface, a semiconductor layer formed on the first surface of the substrate, an hBN layer formed on at least one surface of the first surface and the second surface of the substrate, and a heat sink positioned on the second surface of the substrate. A radiation rate of heat generated during driving of an element is increased to decrease a reduction in lifetime of a semiconductor device due to a temperature increase. The semiconductor device has a structure and configuration which are very effective in improving a rapid temperature increase due to heat generated by high-power semiconductor devices.
    Type: Grant
    Filed: December 27, 2021
    Date of Patent: October 29, 2024
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Il Gyu Choi, Seong Il Kim, Hae Cheon Kim, Youn Sub Noh, Ho Kyun Ahn, Sang Heung Lee, Jong Won Lim, Sung Jae Chang, Hyun Wook Jung
  • Publication number: 20240342235
    Abstract: The present invention relates to a pharmaceutical composition for preventing or treating inflammatory bowel disease, comprising extracts of Isatidis folium and Juglans mandshurica. In addition, the present invention relates to a food composition or an animal feed composition for preventing or alleviating inflammatory bowel disease, both comprising the extracts.
    Type: Application
    Filed: June 26, 2024
    Publication date: October 17, 2024
    Inventors: Mi Won SOHN, Sin Yeon KIM, Jin Gyu CHOI, Se Woong KIM, Dong Hyun KIM
  • Publication number: 20240325469
    Abstract: The present invention relates to a novel Lactobacillus paracasei NK112 strain that has the effect of preventing or treating cognitive dysfunction and intestinal dysfunction. In addition, the present invention relates to a composition for prevention, treatment, or alleviation of cognitive dysfunction and intestinal dysfunction, comprising a Lactobacillus paracasei NK112 strain, a Cuscuta australis R.Br. extract, and a Cuscuta japonica Choisy extract. The strain and the composition, of the present invention, exhibit efficacy in increasing the expression of brain-derived neurotrophic factor (BDNF) and nerve growth factor (NGF), alleviating intestinal inflammation, and the like, and thus can be effectively used in the prevention or treatment of cognitive dysfunction and intestinal dysfunction.
    Type: Application
    Filed: June 5, 2024
    Publication date: October 3, 2024
    Inventors: Miwon SOHN, Jin Gyu CHOI, Sinyeon KIM, Sang Cheol PARK, Dong Hyun KIM, Sun Yeou KIM, Seong Min HONG, Myung Sook OH, In Gyoung JU, Choong Hwan LEE
  • Publication number: 20240320784
    Abstract: A method of compensating a display device includes: displaying a first display image of a calibration pattern; generating a first photograph image of the calibration pattern by capturing the first display image; generating a measurement representative position data corresponding to the calibration pattern by measuring the first photograph image; generating a third-order fitting representative position data by performing a two-dimensional third-order fitting; displaying a second display image of a full white display; generating a second photograph image of the full white display by capturing the second display image; generating a first crop image by performing a size adjustment based on the third-order fitting representative position data; calculating a luminance compensation value by comparing a measured luminance of the first crop image with a target luminance; and generating a compensated image data by applying the luminance compensation value to an image data.
    Type: Application
    Filed: June 3, 2024
    Publication date: September 26, 2024
    Inventors: Min-Gyu Choi, Se-Jin Lee, Dong-Hyeok Kim
  • Publication number: 20240308903
    Abstract: This chemically tempered glass is manufactured by preparing a slurry or paste including a salt solution of a second ion to undergo ion exchange with a first ion inside a glass, applying the slurry or the paste onto the surface of the glass to form a coating film, drying the coating film formed of the slurry or the paste on the surface of the glass, differently forming the distribution of the precipitation phase of a salt of the second ion on the surface of the glass, and heat-treating the glass on which the coating film is formed, to thereby form visual internal roughness which is provided between a first surface and a second surface of the glass, which face each other, to induce the diffuse reflection and/or scattering of light traveling through the first surface or the second surface.
    Type: Application
    Filed: May 29, 2024
    Publication date: September 19, 2024
    Inventors: Yong Gyu CHOI, Ji In LEE, Se Young KO