Patents by Inventor Sang Young Choi

Sang Young 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: 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: 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
  • 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: 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: 20240136510
    Abstract: A positive electrode active material including a first lithium composite oxide particle including a secondary particle formed by aggregation of one or more primary particles, and a coating oxide occupying at least a part of at least one of surfaces of the secondary particle, grain boundaries between the primary particles, or surfaces of the primary particles, the positive electrode active material satisfying an equation of 1.3?a/b?3.0, wherein a represents a max peak intensity at 2theta=44.75° to 44.80° and b represents a max peak intensity at 2theta=45.3° to 45.6° in X-ray diffraction (XRD) analysis using Cu K? radiation.
    Type: Application
    Filed: May 21, 2023
    Publication date: April 25, 2024
    Inventors: Yu Gyeong CHUN, Moon Ho CHOI, Yoon Young CHOI, Jong Seung SHIN, Yong Hwan GWON, Jin Ho BAE, Ji Won KIM, Sang Hyeok KIM
  • Publication number: 20240136515
    Abstract: A positive electrode active material for a lithium secondary battery, a manufacturing method thereof, and a lithium secondary battery including the same, wherein the positive electrode active material is a lithium nickel-based compound particle having a Ni content of 75 mol % or more, and a difference in concentration of Al between the center and the surface in the lithium nickel-based compound particle is less than 1 mol %.
    Type: Application
    Filed: November 15, 2021
    Publication date: April 25, 2024
    Applicants: POSCO Holdings Inc., RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY, POSCO CHEMICAL CO., LTD
    Inventors: Sanghyuk LEE, Jong II PARK, Jung Hoon SONG, Sang Cheol NAM, Kwon Young CHOI, Inchul PARK, Ohmin KWON
  • Publication number: 20240136509
    Abstract: A positive electrode active material for a lithium secondary battery, a manufacturing method thereof, and it is provided a positive electrode active material for a lithium secondary battery, comprising: a core containing a lithium nickel-based compound having a Ni content of 80 mol % or more; and a coating material positioned on at least a portion of the core surface; wherein, the coating material includes a first coating material containing at least one of group 5 elements and group 6 elements; and S; and a second coating material including B, LiOH, Li2CO3 and Li2SO4.
    Type: Application
    Filed: November 15, 2021
    Publication date: April 25, 2024
    Applicants: POSCO Holdings Inc., RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY
    Inventors: Ohmin KWON, Sang Cheol NAM, Kwon Young CHOI, Jung Hoon SONG, Sanghyuk LEE, Inchul PARK
  • Publication number: 20240128510
    Abstract: The present invention relates to a novel electrolyte and a secondary battery including the same. The present invention has an effect of providing a secondary battery having improved charging efficiency and output due to reduced charging resistance and having excellent long-term lifespan and high-temperature capacity retention rate.
    Type: Application
    Filed: December 24, 2021
    Publication date: April 18, 2024
    Inventors: Ji Young CHOI, Min Goo KIM, Sang Ho LEE, Wan Chul KANG, Jong Cheol YUN, Ji Seong HAN, Min Jung JANG
  • Publication number: 20240130111
    Abstract: A semiconductor device may comprise: a plurality of lower electrodes which are on a substrate; a first electrode support which is between adjacent lower electrodes and comprises a metallic material; a dielectric layer which is on the lower electrodes and the first electrode support to extend along profiles of the first electrode support and each of the lower electrodes; and an upper electrode which is on the dielectric layer.
    Type: Application
    Filed: December 26, 2023
    Publication date: April 18, 2024
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Yoon Young CHOI, Seung Jin KIM, Byung-Hyun LEE, Sang Jae PARK
  • Patent number: 11961775
    Abstract: In one example, a semiconductor device can comprise a substrate, a device stack, first and second internal interconnects, and an encapsulant. The substrate can comprise a first and second substrate sides opposite each other, a substrate outer sidewall between the first substrate side and the second substrate side, and a substrate inner sidewall defining a cavity between the first substrate side and the second substrate side. The device stack can be in the cavity and can comprise a first electronic device, and a second electronic device stacked on the first electronic device. The first internal interconnect can be coupled to the substrate and the device stack. The encapsulant can cover the substrate inner sidewall and the device stack and can fill the cavity. Other examples and related methods are disclosed herein.
    Type: Grant
    Filed: November 8, 2022
    Date of Patent: April 16, 2024
    Assignee: Amkor Technology Singapore Holding Pte. Ltd.
    Inventors: Gyu Wan Han, Won Bae Bang, Ju Hyung Lee, Min Hwa Chang, Dong Joo Park, Jin Young Khim, Jae Yun Kim, Se Hwan Hong, Seung Jae Yu, Shaun Bowers, Gi Tae Lim, Byoung Woo Cho, Myung Jea Choi, Seul Bee Lee, Sang Goo Kang, Kyung Rok Park
  • Patent number: 11955611
    Abstract: An equipment for inspecting a secondary battery is provided. The equipment includes a loading device on which a secondary battery is loaded in an upright position, and a side portion inspecting device which inspects a side portion of the secondary battery loaded on the loading device, wherein the side portion inspecting device comprises an elevation unit which lifts the secondary battery loaded on the loading device so as to be withdrawn out of the loading device and allows the secondary battery to return to its original position after a first period of time elapses and a side portion inspecting unit which captures an image of the side portion of the secondary battery, which is withdrawn out of the loading device by the elevation unit, thereby inspecting the side portion of the secondary battery.
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: April 9, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Tae Young Kim, Dong Hyung Lee, Woo Young Choi, Sang Ho Nam
  • Publication number: 20240112938
    Abstract: A method and apparatus for aligning a wafer using a laser scanner, and a semiconductor transfer device are provided. The method includes a laser irradiation operation of irradiating a laser toward the wafer using a laser scanner disposed on a rear side or a lower side of the wafer and obtaining an image, a dataset acquisition operation of obtaining location information of at least three wafer edges by using a distance corresponding to a laser irradiation direction to a wafer edge in the image, a calculation operation of calculating a center point of the wafer by using the obtained location information of the wafer edge, and a detection operation of detecting whether a calculated center point is within a preset tolerance range.
    Type: Application
    Filed: April 13, 2023
    Publication date: April 4, 2024
    Inventors: Hee Jae BYUN, Kyo Bong KIM, Chan Young CHOI, Wan Hee JEONG, Sang Oh KIM
  • Patent number: 11949153
    Abstract: An electronic device is provided. The electronic device includes an outer housing that comprises a first surface facing a first direction, a second surface facing a second direction opposite to the first direction, and a side surface surrounding a space between the first surface and the second surface, a display adapted to expose at least a portion of the display through the first surface of the outer housing, a PCB arranged between the second surface and the display in an interior of the outer housing, a communication circuit arranged on or over the PCB, a first conductive structure formed of at least one of the first surface or at least a portion of the side surface is electrically connected to the communication circuit, and a second conductive structure formed of the portion of the display electrically connected to the first conductive structure.
    Type: Grant
    Filed: October 14, 2022
    Date of Patent: April 2, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Tae Young Kim, In Young Lee, Sang Hoon Choi, Woo Suk Kang, Jae Won Choe, Jae Bong Chun
  • Publication number: 20240097119
    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: November 29, 2023
    Publication date: March 21, 2024
    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
  • Publication number: 20240090321
    Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By comprising the compound according to the present disclosure, an organic electroluminescent device having improved driving voltage, power efficiency and/or lifetime characteristics compared to conventional organic electroluminescent devices can be provided.
    Type: Application
    Filed: July 17, 2023
    Publication date: March 14, 2024
    Inventors: So-Young JUNG, Hyun-Ju KANG, Sang-Hee CHO, Tae-Jun HAN, Hyo-Nim SHIN, Eun-Joung CHOI
  • Publication number: 20240081293
    Abstract: An apparatus for monitoring a biological condition of pregnant breeding cattle includes a training data collection unit to select and use at least two of an implantable device, a wearable device or an imaging device as a training data collection device to create multiple training data, a prediction model training unit to pre-train a prediction model through the multiple training data, a device cooperation cases setting unit to decide and store device cooperation cases by collecting and analyzing sensing data acquired through the training data collection devices, a device cooperation conducting unit to preprocess the sensing data of a monitoring device according to the device cooperation cases when at least one of the training data collection devices is selected as the monitoring device, and a biological condition prediction unit to predict and output a biological condition corresponding to the sensing data preprocessed through the prediction model.
    Type: Application
    Filed: December 27, 2022
    Publication date: March 14, 2024
    Inventors: Sang Hyon PAK, Gil Yang PARK, Won Yup PARK, Woo Young CHOI
  • Publication number: 20240079642
    Abstract: The present invention relates to a method for preparing an alkali metal ion conductive chalcogenide-based solid electrolyte, a solid electrolyte prepared thereby, and an all-solid-state battery comprising the same.
    Type: Application
    Filed: January 11, 2022
    Publication date: March 7, 2024
    Applicant: KOREA ELECTROTECHNOLOGY RESEARCH INSTITUTE
    Inventors: Yoon Cheol HA, Sang Min LEE, Byung Gon KIM, Gum Jae PARK, Jun Woo PARK, Jun Ho PARK, Ji Hyun YU, Won Jae LEE, You Jin LEE, Hae Young CHOI
  • Patent number: 9061353
    Abstract: The present invention relates to a method of manufacturing a high purity copper (Cu) powder material useable in fabricating a sputtering target material for electronic industrial applications, for example a penetrator liner. The foregoing method has a configuration of using an apparatus composed of a raw material feeder, a plasma torch and a reactor to prepare a metal powder, and includes steps of passing a Cu powder having an average particle diameter of 30 to 450 ?m through the thermal plasma torch at an introduction rate of 2 to 30 kg/hr, to thereby fabricate a Cu powder having an average particle diameter of 5 to 300 ?m.
    Type: Grant
    Filed: July 20, 2010
    Date of Patent: June 23, 2015
    Assignee: POONGSAN CORPORATION
    Inventors: Dae Hyun Kim, Dong Woo Lee, In Dal Kim, Sang Young Choi, Ji Hoon Lee, Bo Min Jeon
  • Patent number: 8652274
    Abstract: A copper alloy includes Si to facilitate deoxidation, and can be easily manufactured even when including elements such as Cr or Sn. The copper alloy has high conductivity and high workability without negatively affecting the tensile strength. The copper alloy contains 0.2 to 0.4 wt % of Cr, 0.05 to 0.15 wt % of Sn, 0.05 to 0.15 wt % of Zn, 0.01 to 0.30 wt % of Mg, 0.03 to 0.07 wt % of Si, with the remainder being Cu and inevitable impurities. A method for manufacturing the copper alloy includes obtaining a molten metal having the described composition; obtaining an ingot; heating the ingot at a temperature of 900-1000° C. to perform a hot rolling process; cold rolling; performing a first aging process at a temperature of 400-500° C. for 2 to 8 hours; cold rolling; and performing a second aging process at a temperature of 370-450° C. for 2 to 8 hours.
    Type: Grant
    Filed: December 7, 2010
    Date of Patent: February 18, 2014
    Assignee: Poonsgan Corporation
    Inventors: Dae Hyun Kim, Dong Woo Lee, In Dal Kim, Sang Young Choi, Ji Hoon Lee, Bo Min Jeon
  • Publication number: 20120312431
    Abstract: A copper alloy includes Si to facilitate deoxidation, and can be easily manufactured even when including elements such as Cr or Sn. The copper alloy has high conductivity and high workability without negatively affecting the tensile strength. The copper alloy consists of 0.2 to 0.4 wt % of Cr, 0.05 to 0.15 wt % of Sn, 0.05 to 0.15 wt % of Zn, 0.01 to 0.30 wt % of Mg, 0.03 to 0.07 wt % of Si, with the remainder being Cu and inevitable impurities. A method for manufacturing the copper alloy includes obtaining a molten metal having the described composition; obtaining an ingot; heating the ingot at a temperature of 900-1000° C. to perform a hot rolling process; cold rolling; performing a first aging process at a temperature of 400-500° C. for 2 to 8 hours; cold rolling; and performing a second aging process at a temperature of 370-450° C. for 2 to 8 hours.
    Type: Application
    Filed: December 7, 2010
    Publication date: December 13, 2012
    Applicant: POONGSAN CORPORATION
    Inventors: Dae Hyun Kim, Dong Woo Lee, In Dal Kim, Sang Young Choi, Ji Hoon Lee, Bo Min Jeon