Patents by Inventor Young An CHOI

Young An 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).

  • Patent number: 11980093
    Abstract: An organic light emitting device including a compound of Chemical Formula 1 and a compound of Chemical Formula 2, wherein
    Type: Grant
    Filed: May 17, 2019
    Date of Patent: May 7, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Woochul Lee, Ji Young Choi, Joo Ho Kim, Dong Hoon Lee, Sang Duk Suh, Hoon Jun Kim
  • Patent number: 11975212
    Abstract: Disclosed is a magnetic-piezoelectric micro robot capable of a hyperthermia treatment, an electrotherapy and a cell therapy. The magnetic-piezoelectric micro robot includes a body and a stimulus generating layer formed at a surface of the body including a magnetic particle and a piezoelectric particle and generating heat from the magnetic particle and generating an electrical stimulus from the piezoelectric particle by an external stimulus, wherein one of a hyperthermia treatment by the magnetic particle or an electrotherapy by the piezoelectric particle is performed or both are performed simultaneously.
    Type: Grant
    Filed: October 12, 2021
    Date of Patent: May 7, 2024
    Assignee: Daegu Gyeongbuk Institute of Science and Technology
    Inventors: Hong Soo Choi, Seon Hyoung Kim, Jin Young Kim, SungWoong Jeon
  • Patent number: 11975855
    Abstract: A propulsion module of an air mobility vehicle may include a door provided in the housing and opening or closing the opening portion of the housing by a sliding motion of the door; a propeller for providing propulsion to the air mobility vehicle; a link assembly having a first end portion connected to the housing and a second end portion connected to the propeller to pull the propeller into the internal space of the housing through the opening portion or pull the propeller outside the internal space through the opening portion; and a door opening and closing portion coupled to the door and configured for providing an opening and closing force to the door according to an inward-pulling motion or an outward-pulling motion of the propeller.
    Type: Grant
    Filed: August 20, 2021
    Date of Patent: May 7, 2024
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Chung Sik Yim, Yong Hyun Nam, Jae Young Choi, Sang Hyun Jung, Dae Hee Lee, Jae Seung Lee, Kyu Hoon Cho
  • Patent number: 11975308
    Abstract: The present disclosure relates to a dehydration catalyst, a method for preparing the same, and a method for preparing an alkene using the same. More particularly, the present invention relates to a dehydration catalyst that is mixed-phase alumina including 1 to 18% by weight of alpha-alumina, 65 to 95% by weight of theta-alumina, and 4 to 34% by weight of delta-alumina, a method for preparing the dehydration catalyst, and a method for preparing an alkene using the dehydration catalyst.
    Type: Grant
    Filed: November 16, 2020
    Date of Patent: May 7, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Hyeon Bin Kim, Joo Young Cheon, Young Sub Keum, Dae Heung Choi
  • Publication number: 20240145672
    Abstract: Provided is a positive electrode active material which includes an inner region that is a region from the center of the positive electrode active material particle to R/2, and an outer region that is a region from R/2 to the surface of the positive electrode active material particle, wherein R is a distance from the center of the positive electrode active material particle to the surface thereof. The positive electrode active material further includes 25% to 80% of crystallites C with respect to a total number of crystallites in the outer region. The crystallites C have a high crystallite long-axis orientation degree of 0.5 to 1 and a low crystallite c-axis orientation degree less than 0.5. Thus, the positive electrode active material has high capacity characteristics and a small amount of gas generated.
    Type: Application
    Filed: March 22, 2022
    Publication date: May 2, 2024
    Applicant: LG Chem, Ltd.
    Inventors: Won Sig Jung, Hwan Young Choi, Jong Pil Kim, Yeo June Yoon, Kang Hyeon Lee, Tae Young Rhee, Yong Jo Jung
  • Publication number: 20240146103
    Abstract: Embodiments of the inventive concept provide a wireless power apparatus for a substrate treating apparatus and a manufacturing method for the wireless power apparatus for the substrate treating apparatus for preventing a heat generation by preventing a generation of an eddy current in a coupling element, if the coupling element is used around an outer housing at which an induced magnetic field is formed. The inventive concept provides a wireless power apparatus for a substrate treating apparatus.
    Type: Application
    Filed: April 26, 2023
    Publication date: May 2, 2024
    Applicant: SEMES CO., LTD.
    Inventors: Chan Young Choi, Ki Won Han, Wan Hee Jeong, Kyo Bong Kim, Hee Chan Kim, Doo Hyun Baek, Sang-Oh Kim, Hee Jae Byun
  • Publication number: 20240145674
    Abstract: Provided is a positive electrode active material including a plurality of crystallites A, wherein the plurality of crystallites A has a crystallite long-axis orientation degree DoA represented by Equation 1 below is 0.5 to 1, and a crystallite c-axis orientation degree represented by a cross product value of a c-axis rotation vector Rc of a crystal lattice of a crystallite obtained by electron backscatter diffraction (EBSD) analysis and a position unit vector P? of the crystallite is 0.5 to 1. A proportion of the plurality of crystallites A is 25% to 80% with respect to a total number of crystallites in a cross-section of a positive electrode active material. Further provided is a positive electrode and a lithium secondary battery including the positive electrode active material.
    Type: Application
    Filed: March 22, 2022
    Publication date: May 2, 2024
    Applicants: LG Chem, Ltd., LG Chem, Ltd.
    Inventors: Won Sig Jung, Hwan Young Choi, Hyun Ah Park, Hyeon Hui Baek, Jong Pil Kim
  • Publication number: 20240139254
    Abstract: Provided are mesenchymal stem cells, a preparation method therefor, and a use thereof, the mesenchymal stem cell having oxidative stress resistance by reducing or inhibiting the expression or activity level of KEAP1, which is a negative regulator of Nrf2, so as to increase the activity of Nrf2.
    Type: Application
    Filed: January 9, 2024
    Publication date: May 2, 2024
    Inventors: Eun Ji SHIN, Kang In LEE, Yu Ri CHOI, Hye Jung SHIN, Jae Young LEE
  • Publication number: 20240146329
    Abstract: Disclosed is an interface circuit including a first parallel-to-serial conversion circuit suitable for converting inverted parallel data in a parallel-to-serial manner to generate first output data in a test mode; a second parallel-to-serial conversion circuit suitable for converting non-inverted parallel data in the parallel-to-serial manner to generate second output data in the test mode; a third parallel-to-serial conversion circuit suitable for converting the non-inverted parallel data in the parallel-to-serial manner to generate third output data in the test mode; a fourth parallel-to-serial conversion circuit suitable for converting the inverted parallel data in the parallel-to-serial manner to generate fourth output data in the test mode; a first driver circuit suitable for receiving the first and second output data in the test mode; and a second driver circuit suitable for receiving the third and fourth output data in the test mode.
    Type: Application
    Filed: March 15, 2023
    Publication date: May 2, 2024
    Inventors: Eun Ju CHOE, Ho Young PARK, Jong Hwan CHOI
  • Publication number: 20240139474
    Abstract: Provided is a magnetic actuation system controlling a magnetic microrobot, a magnetic actuation catheter, or a guide wire by using a magnetic field, and more particularly, a magnetic actuation system compatible with a C-arm that is applied to the C-arm, which is a mobile X-ray fluoroscopy device, in order to enable control of the microrobot or a catheter treatment in a human body by using the C-arm.
    Type: Application
    Filed: October 25, 2023
    Publication date: May 2, 2024
    Applicant: Daegu Gyeongbuk Institute of Science and Technology
    Inventors: Hong Soo Choi, Hak Joon Lee, Jin Young Kim
  • Publication number: 20240145474
    Abstract: A semiconductor device includes a substrate, a first active pattern disposed on the substrate, a second active pattern stacked on the first active pattern, a first gate structure extending to intersect the first active pattern and the second active pattern, a second gate structure spaced apart from the first gate structure and extending to intersect the first active pattern and the second active pattern, a first epitaxial pattern interposed between the first gate structure and the second gate structure, and connected to the first active pattern, a second epitaxial pattern interposed between the first gate structure and the second gate structure, and connected to the second active pattern, an insulating pattern interposed between the first epitaxial pattern and the second epitaxial pattern, and a semiconductor film interposed between the insulating pattern and the second epitaxial pattern, the semiconductor film extending along a top surface of the insulating pattern.
    Type: Application
    Filed: May 9, 2023
    Publication date: May 2, 2024
    Inventors: Kyung ho KIM, Myung Il KANG, Sung Uk JANG, Kyung Hee CHO, Do Young CHOI
  • Publication number: 20240139439
    Abstract: Proposed is an aerosol drug supply apparatus for a respirator. The aerosol drug supply apparatus includes an air purifier (1) configured to discharge first air, an inhaled air sensor (10) configured to sense the first air and to generate a sensing signal, a heating and humidifying apparatus (3) configured to generate and discharge second air by adjusting a temperature and a humidity of the first air, a drug fine particle generator (30) configured to be operated only when the sensing signal is input and to spray a drug in a fine particle state to the second air, a Y-tube (5) having one side connected to the T-tube (20) and having another side connected to a mask or a mouthpiece; and a return tube (6) having one side connected to the Y-tube (5) and having another side connected to the air purifier (1), thereby allowing exhaled air to flow therethrough.
    Type: Application
    Filed: March 23, 2022
    Publication date: May 2, 2024
    Inventor: Doo Young CHOI
  • Publication number: 20240140944
    Abstract: The present invention relates to a novel naphthyridinone derivative compound, a pharmaceutically acceptable salt thereof, a hydrate thereof, or a stereoisomer thereof, which are each relevant to a compound for inhibiting ENPP1, a composition for inhibiting ENPP1, and a method for inhibiting ENPP1.
    Type: Application
    Filed: December 29, 2021
    Publication date: May 2, 2024
    Applicant: TXINNO BIOSCIENCE INC.
    Inventors: Seo Jung Han, Chan Sun Park, Sung Joon Kim, Jae Eun Cheong, Jung Hwan Choi, Ali Imran, Sun Woo Lee, Yong Yea Park, Ah Ran Yu, Sun Young Park
  • Publication number: 20240140488
    Abstract: In an embodiment an autonomous driving control apparatus includes a memory configured to store high definition map information and a processor electrically connected to the memory, wherein the processor is configured to generate a grid map based on a first driving route in an intersection included in the high definition map information based on a detected moving object and on the first driving route of the vehicle, to determine a drivable area with regard to the moving object and to generate a second driving route in the drivable area based on the grid map.
    Type: Application
    Filed: July 20, 2023
    Publication date: May 2, 2024
    Inventor: Su Young Choi
  • Publication number: 20240139362
    Abstract: A sterilization apparatus includes a housing; a sterilization unit for irradiating, with sterilization light, at least one region to be sterilized; and a driving unit for moving the sterilization unit into and out of the housing via an opening of the housing and rotating the sterilization unit about a rotation axis.
    Type: Application
    Filed: January 11, 2024
    Publication date: May 2, 2024
    Inventors: Hyun Woo Choi, Sang Hyoung Lee, Jong Min Lee, Jong Woon Kim, Hae Ryun Lee, Man Young Chun, Hye Jin Park
  • Publication number: 20240142575
    Abstract: A method including clustering second point clouds comprised in second point cloud data of a second timepoint, obtaining output data corresponding to one or more second clusters generated as a result of the clustering by applying the second point clouds to a pretrained neural network, determining whether at least one of the one or more second clusters is a target object based on a reliability factor, tracking first clusters corresponding to the target object in first point cloud data of one or more first timepoints prior to the second timepoint, and training of the pretrained neural network based on the output data corresponding to the first clusters and the first point clouds for each first cluster determined according to a result of the tracking.
    Type: Application
    Filed: April 10, 2023
    Publication date: May 2, 2024
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sungdo CHOI, Jong-Sok KIM, Seung Tae KHANG, Jinyong JEON, Young Rae CHO
  • Publication number: 20240142605
    Abstract: Disclosed is a sign apparatus for displaying a sign for traffic or a vehicle, where the sign apparatus includes a display configured to display the sign and to permit a radar signal radiated from a source to pass, a filter configured to attenuate a signal of at least one frequency in the radar signal passing through the display and to allow a signal of a remaining frequency to pass, and a reflector configured to reflect the signal passing through the filter, wherein the reflected signal includes encoded identification information of the sign.
    Type: Application
    Filed: May 31, 2023
    Publication date: May 2, 2024
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: JINYONG JEON, SEUNG TAE KHANG, SUNGDO CHOI, JONG-SOK KIM, YOUNG RAE CHO
  • Publication number: 20240143114
    Abstract: A driving circuit includes: a display driver to generate a horizontal synchronization signal and a vertical synchronization signal according to a first clock signal of a first oscillator; a sensor driver to generate a touch signal according to a second clock signal of a second oscillator; and a determination circuit to detect a cycle of at least one of the horizontal synchronization signal or the vertical synchronization signal according to the second clock signal, and output a detection signal when the cycle is out of a range. The determination circuit is a part of the display driver or the sensor driver.
    Type: Application
    Filed: June 26, 2023
    Publication date: May 2, 2024
    Inventors: Jun Young KO, Tae Hyeon YANG, Han Su CHO, Tae Joon KIM, Hyun Wook CHO, Jae Woo CHOI
  • Publication number: 20240145143
    Abstract: Provided are a magnetic actuation device using a permanent magnet which may generate a magnetic field for a long time with lower power and lower heat by using the permanent magnet, and a system using the same. The magnetic actuation device may utilize the plurality of permanent magnets for controlling an alignment direction with two degrees of freedom to thus exclude an actuation element limiting space utilization, such as a robot arm, thus allowing an operator using a medical device to perform a safe procedure on a patient.
    Type: Application
    Filed: September 7, 2023
    Publication date: May 2, 2024
    Applicant: Daegu Gyeongbuk Institute of Science and Technology
    Inventors: Hong Soo CHOI, Hak Joon LEE, Jin Young KIM, Sarmad Ahmad Abbasi, Awais Ahmed, A M Masum Bulbul Chowdhury, Nader Latifi Gharamaleki
  • Publication number: 20240145560
    Abstract: A semiconductor device includes an active pattern on a substrate extending in a first horizontal direction, a gate electrode on the active pattern extending in a second horizontal direction, a source/drain region on the active pattern, an upper source/drain region apart from the lower source/drain region, a lower source/drain between upper and lower source/drain regions and connected to the lower source/drain region, an upper source/drain connected to an upper source/drain region, an interlayer insulating layer surrounding the upper source/drain region, a through-via on opposing sidewalls in the second horizontal direction extending through the interlayer insulating layer in the vertical direction, the through-via being spaced from the upper source/drain region and upper source/drain contact in the second horizontal direction, the through-via being connected to the lower source/drain contact, and a dam structure on each of the opposing sidewalls in the horizontal direction of the upper source/drain region.
    Type: Application
    Filed: June 20, 2023
    Publication date: May 2, 2024
    Inventors: Dong Hoon HWANG, Myung Il KANG, Do Young CHOI