Patents by Inventor Sung Choi

Sung 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: 11911519
    Abstract: A device for producing nanoparticles includes: a first connector comprising a first supply tube fitting member, a second supply tube fitting member, and a first discharge tube fitting member; a first tube having one side connected to the first supply tube fitting member; a second tube having one side connected to the second supply tube fitting member; a first conduit having one side connected to the first discharge tube fitting member; a first supply connected to another side of the first tube to supply a first material to the first conduit; and a second supply connected to another side of the second tube to supply a second material to the first conduit.
    Type: Grant
    Filed: January 15, 2021
    Date of Patent: February 27, 2024
    Assignees: SOONCHUNHYANG UNIVERSITY INDUSTRY ACADEMY COOPERATION FOUNDATION, KOREA INSTITUTE OF CERAMIC ENGINEERING AND TECHNOLOGY
    Inventors: Jong Min Lim, Daekyung Sung, Won II Choi, Hyeon Woo Han, Sehee Jeong, Yoonhee Na, Jiseob Woo
  • Publication number: 20240049780
    Abstract: An aerosol generating device includes a vibrator configured to vibrate to generate an aerosol from an aerosol generating material, a controller configured to control the vibrator to vibrate at a target vibration speed, and a feedback circuit configured to detect an electrical signal representing a frequency response of the vibrator that changes according to an operating environment of the vibrator and output a feedback signal based on the detected electrical signal, and the controller may adjust the vibration speed of the vibrator based on the feedback signal output from the feedback circuit.
    Type: Application
    Filed: November 16, 2021
    Publication date: February 15, 2024
    Applicant: KT&G CORPORATION
    Inventors: Wonkyeong LEE, Heon Jun JEONG, Dong Sung KIM, Jae Sung CHOI
  • Patent number: 11889862
    Abstract: An aerosol generating apparatus includes a main body; a cartridge detachably coupled to the main body, comprising an air inlet hole through which external air is introduced, and configured to store a liquid material and generate aerosol by heating the liquid material; a cigarette detachably coupled to the main body, comprising a solid material, and disposed on a path along which the aerosol generated in the cartridge flows such that the aerosol passes through the solid material and is discharged to outside; and a cover detachably coupled to the main body to cover the cartridge coupled to the main body and comprising: a cigarette hole through which the cigarette is coupled to the main body; and a ventilation hole formed at a position adjacent to the air inlet hole of the cartridge and configured to discharge the aerosol remaining in the cartridge to the outside or introduce the external air.
    Type: Grant
    Filed: October 10, 2019
    Date of Patent: February 6, 2024
    Assignee: KT&G CORPORATION
    Inventors: Tae Hun Kim, Jae Sung Choi
  • Patent number: 11882882
    Abstract: An aerosol generating device according to an embodiment includes a heater generating an aerosol by heating an aerosol generating substrate; a controller for controlling power supplied to the heater; at least one detachable element that is attachable to and detachable from an inner space or an outer space of the aerosol generating device; and a plurality of geomagnetic sensors for detecting changes in the strength of an internal magnetic field of the aerosol generating device, wherein the controller detects detachment of the detachable element based on a detection result from at least one of the plurality of geomagnetic sensors.
    Type: Grant
    Filed: November 8, 2019
    Date of Patent: January 30, 2024
    Assignee: KT&G CORPORATION
    Inventors: Hun Il Lim, Tae Hun Kim, Hyung Jin Jung, Jae Sung Choi, Jung Ho Han
  • Patent number: 11882875
    Abstract: According to an embodiment, there is provided an aerosol generating apparatus including a case into which a cigarette including an electromagnetic inductor is insertable, a heating unit configured to heat the cigarette, a detector that includes a coil and measures a current characteristic value of a current flowing through the coil according to predetermined time information, and a controller that controls operation of the heating unit by comparing the current characteristic value measured by the detector with a predetermined reference current characteristic value, wherein the reference current characteristic value is set based on at least one current characteristic value measured by the detector.
    Type: Grant
    Filed: October 31, 2019
    Date of Patent: January 30, 2024
    Assignee: KT&G CORPORATION
    Inventors: Hyung Jin Jung, Hun Il Lim, Jin Soo Seong, Jae Sung Choi
  • Publication number: 20240011498
    Abstract: The present invention relates to a compressor and, more specifically, to an air compressor for a vehicle, which can support a rotor disk and form a cooling flow channel by a first cover and a second cover, and thus can improve cooling efficiency while increasing manufacturability.
    Type: Application
    Filed: April 1, 2021
    Publication date: January 11, 2024
    Inventors: Chi Yong PARK, Hyun Chil KIM, Gunwoong PARK, Min Gyu PARK, Yeol Woo SUNG, Hyun Sup YANG, Jong Sung LEE, Kyu Sung CHOI
  • Patent number: 11856794
    Abstract: A semiconductor memory device includes a first memory cell provided on a substrate, a second memory cell provided on the substrate and spaced apart from the first memory cell, a passivation layer extending along a side surface of the first memory cell and a side surface of the second memory cell, and a gap fill layer covering the passivation layer. Each of the first memory cell and the second memory cell includes a selection pattern having ovonic threshold switching characteristics, and a storage pattern provided on the selection pattern. The passivation layer includes a lower portion filling a space between the selection pattern of the first memory cell and the selection pattern of the second memory cell, and an upper portion extending along a side surface of the storage pattern of each of the first memory cell and the second memory cell.
    Type: Grant
    Filed: June 30, 2021
    Date of Patent: December 26, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong Sung Choi, Jong Uk Kim, Kwang Min Park, Zhe Wu, Ja Bin Lee, Jae Ho Jung
  • Patent number: 11852930
    Abstract: A display device is provided. A display device includes a display panel including a plurality of connecting signal wires which supply different control voltages; a flexible printed circuit board attached to a side surface of the display panel and including a base film and a plurality of lead wires which are disposed on the base film; an anisotropic conductive film disposed between the plurality of connecting signal wires and the plurality of lead wires, and at least one bump wire disposed between adjacent connecting signal wires, the at least one bump wire being not supplied with the different control voltages controlling the display panel.
    Type: Grant
    Filed: June 17, 2020
    Date of Patent: December 26, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin Hee Bae, Min Ho Kim, Kyung Ha Moon, Bum Suk Lee, Nak Sung Choi
  • Patent number: 11848461
    Abstract: An energy storage module includes: a plurality of battery cells such that long side surfaces of adjacent ones of the battery cells face one another; a plurality of insulation spacers, at least one of the insulation spacers being between adjacent battery cells, each of the insulation spacers including a heat-insulating first sheet and a plurality of flame-retardant second sheets respectively adhered to opposite surfaces of the first sheet by an adhesion member; a cover member including an internal receiving space configured to accommodate the battery cells and the insulation spacers; a top plate coupled to the cover member and including ducts respectively corresponding to vents of the battery cells and having fire extinguishing agent openings respectively corresponding to the insulation spacers; a top cover coupled to the top plate and having discharge openings respectively corresponding to the ducts; and an extinguisher sheet between the top cover and the top plate.
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: December 19, 2023
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jin Taek Kim, Eun Ok Kwak, Jang Hoon Kim, Jin Bhum Yun, Jong Yeol Woo, Kwang Deuk Lee, Woo Sung Choi
  • Publication number: 20230398167
    Abstract: The present invention relates to a composition for exterminating fish parasites comprising an extract of Juglans mandshurica bark as an active ingredient, making it possible to safely and effectively exterminate scuticociliates using an extract derived from a natural material, instead of formalin that is highly harmful, which has been conventionally used to treat scuticociliatosis in fish.
    Type: Application
    Filed: June 1, 2023
    Publication date: December 14, 2023
    Inventors: Na Young KIM, Myoung Sug KIM, Hye Sung CHOI, Hyun-Ja HAN, Soo Ji WOO, Eun Ji JEON
  • Patent number: 11841813
    Abstract: A system and method for efficient communication bus arbitration in a communication protocol are provided. The system and method for efficient communication bus arbitration are a system and method for slave communication bus arbitration in multi-drop communication, and provide efficient and fast communication speed by improving the packet structure in a manner in which a slave controller sequentially responds to a query of a master controller.
    Type: Grant
    Filed: May 4, 2022
    Date of Patent: December 12, 2023
    Assignee: ROBOTIS CO., LTD.
    Inventors: Young Jun Ko, Soo Kyung Son, Dae Sung Choi, Hee Il Kim, Byoung Soo Kim, In Yong Ha
  • Publication number: 20230395934
    Abstract: An energy storage module includes: a cover member accommodating a plurality of battery cells in an internal receiving space, the battery cells being arranged in a first direction, each of the battery cells including a vent; a top plate coupled to a top of the cover member and including a duct corresponding to the vent of each of the battery cells; a top cover coupled to a top of the top plate and having a discharge opening corresponding to the duct; and an extinguisher sheet between the top cover and the top plate, the extinguisher sheet being configured to emit a fire extinguishing agent at a reference temperature.
    Type: Application
    Filed: August 14, 2023
    Publication date: December 7, 2023
    Inventors: Eun Ok KWAK, Jin Bhum YUN, Jang Hoon KIM, Jin Taek KIM, Jong Yeol WOO, Kwang Deuk LEE, Woo Sung CHOI
  • Publication number: 20230387069
    Abstract: The present invention relates to a laser reflow apparatus. More particularly, the present invention relates to a compression-type laser reflow apparatus with a vacuum chamber that enables mass processing by simultaneously pressuring and reflowing a plurality of electronic components by performing a laser reflow process by pressing with a light-transmitting pressing member and irradiating a laser beam inside the vacuum chamber, and that effectively prevents the generation of voids by fumes during soldering, so that the defect rate of the laser reflow process is greatly improved.
    Type: Application
    Filed: October 28, 2022
    Publication date: November 30, 2023
    Inventors: Jae Joon CHOI, Byung Roc KIM, Eun Sung CHOI, Hwan Soo YEO, Seung Hyun SEO
  • Patent number: 11806512
    Abstract: A needleless pain-free injection device according to the present disclosure includes a valve body, a valve member provided in an internal space of the valve body and airtightly sliding along the valve body, a liquefied gas container communicating with the internal space of the valve body and detachably coupled, at one end thereof, to the valve body, an operating knob provided on the exposed end of the valve member, a cylinder body coupled to one side of the valve body and having an internal space, a piston member provided such that one end thereof slides in the internal space of the cylinder body and having a piston rod, an injection unit provided with an injection piston rod coupled to the piston rod, and a gas passage forming means for selectively establishing and blocking the communication of the valve body and the cylinder body with outside air.
    Type: Grant
    Filed: April 10, 2019
    Date of Patent: November 7, 2023
    Assignee: P-TECH Co., Ltd.
    Inventor: Yo Sung Choi
  • Publication number: 20230346029
    Abstract: An aerosol generating device includes a multilayered thermally conductive member forming an accommodation space into which an aerosol generating article is configured to be inserted; a heater surrounding the multilayered thermally conductive member; a battery configured to supply power to the heater; and a controller configured to control power supplied from the battery to the heater such that the multilayered thermally conductive member transfers heat from the heater to the aerosol generating article. Each layer of the multilayered thermally conductive member includes a corrosion-resistant material or a thermally conductive material.
    Type: Application
    Filed: April 6, 2021
    Publication date: November 2, 2023
    Applicant: KT&G CORPORATION
    Inventors: Dong Sung KIM, Heon Jun JEONG, Won Kyeong LEE, Jae Sung CHOI
  • Patent number: 11799167
    Abstract: An energy storage module includes: a cover member accommodating a plurality of battery cells in an internal receiving space, the battery cells being arranged in a first direction, each of the battery cells including a vent; a top plate coupled to a top of the cover member and including a duct corresponding to the vent of each of the battery cells; a top cover coupled to a top of the top plate and having a discharge opening corresponding to the duct; and an extinguisher sheet between the top cover and the top plate, the extinguisher sheet being configured to emit a fire extinguishing agent at a reference temperature.
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: October 24, 2023
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Eun Ok Kwak, Jin Bhum Yun, Jang Hoon Kim, Jin Taek Kim, Jong Yeol Woo, Kwang Deuk Lee, Woo Sung Choi
  • Publication number: 20230327524
    Abstract: The present invention relates to an air compressor which improves the space utilization of a filter unit, and reduces the number of constituent parts constituting the filter unit, thereby improving assemblability, reducing manufacturing costs, and minimizing the size of the air compressor itself. The air compressor comprises: a housing; a rotating shaft extending in the longitudinal direction inside the housing; a compression unit disposed in front of the rotating shaft and rotated by the rotating shaft to compress and discharge air that flows in; a motor unit which rotates the rotating shaft; a control board which controls the motor unit; a filter unit which supplies external electrical power to the control board and filters the noise of the electrical power; and a bus bar assembly which transfers the electrical power from the control board to the motor unit.
    Type: Application
    Filed: September 8, 2021
    Publication date: October 12, 2023
    Inventors: Kyu Sung CHOI, Hyun Chil KIM, Gun Woong PARK, Min Gyu PARK, Chi Yong PARK, Yeol Woo SUNG, Hyun Sup YANG, Jong Sung LEE
  • Patent number: 11784336
    Abstract: A fuel cell system includes a first converter to convert power, which is output from a fuel cell stack or a battery, into power in a specific level, a second converter to convert power which is input to or output from the battery, a power relay assembly to control power flow between a super capacitor and the first converter, and a controller to control outputs of the first converter and the second converter, depending on a starting state or an operating state of the fuel cell system, and to control an operation of the power relay assembly.
    Type: Grant
    Filed: December 30, 2021
    Date of Patent: October 10, 2023
    Assignee: Hyundai Mobis Co., Ltd.
    Inventors: Se Hoon Song, Young Hwang Kim, Jae Sung Choi
  • Patent number: 11784254
    Abstract: A method of fabricating a semiconductor device includes providing a substrate including a semiconductor material having a first lattice constant and then patterning the substrate to form a first semiconductor pattern extending in a first direction. A second semiconductor pattern is also formed on and in contact with the first semiconductor pattern. The second semiconductor pattern extends in the first direction and has a second lattice constant that is sufficiently greater than the first lattice constant so that lattice stress is present at an interface between the first semiconductor pattern and the second semiconductor pattern. The second semiconductor pattern is further patterned to define a sidewall of the second semiconductor pattern that extends in a second direction intersecting the first direction. A gate electrode is formed, which extends in the first direction on the second semiconductor pattern.
    Type: Grant
    Filed: December 22, 2021
    Date of Patent: October 10, 2023
    Inventor: Hoon-Sung Choi
  • Patent number: 11771935
    Abstract: An energy storage module includes: a plurality of battery cells arranged in a length direction; a plurality of insulation spacers; a cover member including an internal receiving space; a top plate coupled to a top of the cover member, the top plate including ducts respectively corresponding to vents of the battery cells and having opening holes respectively corresponding to the insulation spacers; a top cover coupled to a top of the top plate and having discharge holes respectively corresponding to the ducts; and an extinguisher sheet between the top cover and the top plate, the extinguisher sheet being configured to emit a fire extinguishing agent at a temperature exceeding a reference temperature, the top cover including protrusion parts on a bottom surface thereof, the protrusion parts covering an exhaust region and being coupled to an exterior of each of the ducts.
    Type: Grant
    Filed: September 8, 2020
    Date of Patent: October 3, 2023
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jin Taek Kim, Eun Ok Kwak, Jang Hoon Kim, Jin Bhum Yun, Jong Yeol Woo, Kwang Deuk Lee, Woo Sung Choi