Patents by Inventor Sang Kyu Park

Sang Kyu Park 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: 20240117168
    Abstract: The present invention relates to a semiconductive resin composition for a high voltage power cable. Specifically, the present invention relates to a semiconductive resin composition comprising a base resin in which ethylene butyl acrylates having different melting indices are mixed, carbon black, an antioxidant, and a crosslinking agent. In addition, the present invention relates to a semiconductive resin composition for a high voltage power cable, the composition having excellent scorch stability and processability and low volume resistance even at a high temperature.
    Type: Application
    Filed: February 17, 2022
    Publication date: April 11, 2024
    Applicant: HANWHA SOLUTIONS CORPORATION
    Inventors: In Jun LEE, Jae Yun LIM, Kisik KIM, Jeong Hyun PARK, Sang Kyu PARK
  • Patent number: 11937644
    Abstract: Disclosed is an aerosol-generating device which includes a power converter for supplying an alternating power to an induction coil, and controls switching elements in the power converter to change an operation mode of a power converter based on a temperature profile such that the power converter operates in a full bridge mode in a preheating section and operates in a half bridge mode in a smoking section.
    Type: Grant
    Filed: May 4, 2023
    Date of Patent: March 26, 2024
    Assignee: KT&G CORPORATION
    Inventors: Jaemin Lee, Sang Kyu Park, Hyung Seok Lee, Soung Ho Ju
  • Patent number: 11939698
    Abstract: A wafer manufacturing method, an epitaxial wafer manufacturing method, and a wafer and epitaxial wafer manufactured thereby, are provided. The wafer manufacturing method enables the manufacture of a wafer with a low density of micropipe defects and minimum numbers of particles and scratches. The epitaxial wafer manufacturing method enables the manufacture of an epitaxial wafer that has low densities of defects such as downfall, triangular, and carrot defects, exhibits excellent device characteristics, and improves the yield of devices.
    Type: Grant
    Filed: November 3, 2020
    Date of Patent: March 26, 2024
    Assignee: SENIC INC.
    Inventors: Jong Hwi Park, Jung-Gyu Kim, Eun Su Yang, Byung Kyu Jang, Jung Woo Choi, Yeon Sik Lee, Sang Ki Ko, Kap-Ryeol Ku
  • Patent number: 11937641
    Abstract: A heater assembly for heating a cigarette accommodated in an aerosol generating device includes a heating element that extends in a longitudinal direction of the cigarette and includes a ferromagnetic substance for generating heat by an external magnetic field, and a temperature sensor that measures a temperature of the heating element. The heater assembly is disposed at an inner end portion of an accommodation space provided in the aerosol generating device to accommodate the cigarette.
    Type: Grant
    Filed: November 7, 2019
    Date of Patent: March 26, 2024
    Assignee: KT&G CORPORATION
    Inventors: Seung Won Lee, Sang Kyu Park, Jae Min Lee
  • Publication number: 20240088416
    Abstract: An air supply control method of a fuel cell controls an amount of air supplied to the fuel cell according to an output of power required to be generated by the fuel cell. The method includes steps of: monitoring a charging level of a power storage device that stores power output from the fuel cell; modifying the amount of air supplied to the fuel cell on the basis of the monitored charging level of the power storage device; and controlling an air supply system that supplies air to the fuel cell on the basis of the modified amount of air supplied.
    Type: Application
    Filed: November 17, 2023
    Publication date: March 14, 2024
    Inventors: Seung Yoon Lee, Sae Byeok Seung, Jeong Kyu Park, Sang Chul Yeom
  • Publication number: 20240079174
    Abstract: A coil member according to an embodiment comprises: a substrate comprising a first surface and a second surface opposite to the first surface, and comprising a hole; a circuit pattern that is disposed on at least one of the first surface and the second surface and comprises a wiring pattern, a plating pattern, and a dummy pattern; and a protective layer that is disposed on the substrate and surrounds the circuit pattern, wherein the protective layer comprises a first protective layer disposed on the first surface and a second protective layer disposed on the second surface, the substrate comprises a first edge disposed on the outer edge of the substrate and a second edge surrounding the hole, and the substrate comprises a 1-1 region adjacent to the first edge, and a 1-2 region, wherein the 1-1 region is disposed between the first edge and the 1-2 region, a 1-1 protective layer is disposed on a first surface of the 1-1 region, a 1-2 protective layer is disposed on a first surface of the 1-2 region, and the thi
    Type: Application
    Filed: January 11, 2022
    Publication date: March 7, 2024
    Inventors: Sang Kyu LEE, Sung Yong PARK, Seung Jin LEE
  • Publication number: 20240076799
    Abstract: A wafer manufacturing method, an epitaxial wafer manufacturing method, and a wafer and epitaxial wafer manufactured thereby, are provided. The wafer manufacturing method enables the manufacture of a wafer with a low density of micropipe defects and minimum numbers of particles and scratches. The epitaxial wafer manufacturing method enables the manufacture of an epitaxial wafer that has low densities of defects such as downfall, triangular, and carrot defects, exhibits excellent device characteristics, and improves the yield of devices.
    Type: Application
    Filed: November 1, 2023
    Publication date: March 7, 2024
    Applicant: SENIC INC.
    Inventors: Jong Hwi PARK, Jung-Gyu KIM, Eun Su YANG, Byung Kyu JANG, Jung Woo CHOI, Yeon Sik LEE, Sang Ki KO, Kap-Ryeol KU
  • Patent number: 11920783
    Abstract: A flame port unit structure of a combustion apparatus provided with a plurality of flame ports for forming a flame comprises: a lean flame port unit, as a flame port for jetting lean gas, including a plurality of lean flame ports arranged along a width direction which is perpendicular to the jetting direction of the lean gas; and a rich flame port unit, as a flame port for jetting rich gas, including a pair of rich flame ports provided on both sides of the lean flame port unit with respect to a width direction, wherein the lean flame port unit comprises a first region in which a gap along the width direction of the lean flame port is formed along a longitudinal direction which is perpendicular to the jetting direction and the width direction, and a second region, provided on both sides along the longitudinal direction of the first region.
    Type: Grant
    Filed: June 7, 2019
    Date of Patent: March 5, 2024
    Assignee: KYUNGDONG NAVIEN CO., LTD
    Inventors: Jun Kyu Park, Sang Hyun Nam, Hyun Muk Lim, Whee Jun Lim
  • Patent number: 11903411
    Abstract: Provided is an aerosol generating article including a plurality of flavoring capsules arranged inside at least one of a tobacco medium section and a filter section, wherein the plurality of flavoring capsules respectively include different flavor sources and respectively include susceptor materials configured to be heated at different rates as an alternating magnetic field passes through the susceptor materials.
    Type: Grant
    Filed: October 23, 2019
    Date of Patent: February 20, 2024
    Assignee: KT&G CORPORATION
    Inventors: Seung Won Lee, Sang Kyu Park
  • Patent number: 11889870
    Abstract: Provided is an aerosol generating device including at least one component accommodating space having an opening on an outer surface of the aerosol generating device and allowing a removable component to be accommodated therein through the opening; a controller configured to periodically generate a test signal; a detection signal generator configured to generate a flooding detection signal based on the test signal when a liquid is introduced through the opening; and a detection signal transmitter configured to receive a generated flooding detection signal and transmit the received flooding detection signal to the controller, wherein the controller determines whether the aerosol generating device is flooded based on the flooding detection signal.
    Type: Grant
    Filed: March 16, 2020
    Date of Patent: February 6, 2024
    Assignee: KT&G CORPORATION
    Inventors: Jae Min Lee, Sang Kyu Park
  • Publication number: 20240023633
    Abstract: Provided is an aerosol generating device including: a heater heating an aerosol generating material by power supplied; a battery storing power to be supplied to the heater; and a controller controlling power supply to the heater and power supply to the battery, wherein, the controller monitors a heating state of the heater when the aerosol generating device is electrically connected to an external power supply source; performs heating of the heater without charging of the battery by the external power supply source when the monitored heating state is determined to be a rapid heating state, ; and controls power supply to the heater and power supply to the battery to perform charging of the battery and heating of the heater together by the external power supply source when the monitored heating state is determined not to be the rapid heating state.
    Type: Application
    Filed: October 5, 2023
    Publication date: January 25, 2024
    Applicant: KT&G CORPORATION
    Inventors: Jae Min LEE, Sang Kyu PARK
  • Patent number: 11871797
    Abstract: Provided is an aerosol generating device including: a heater heating an aerosol generating material by power supplied; a battery storing power to be supplied to the heater; and a controller controlling power supply to the heater and power supply to the battery, wherein, the controller monitors a heating state of the heater when the aerosol generating device is electrically connected to an external power supply source; performs heating of the heater without charging of the battery by the external power supply source when the monitored heating state is determined to be a rapid heating state; and controls power supply to the heater and power supply to the battery to perform charging of the battery and heating of the heater together by the external power supply source when the monitored heating state is determined not to be the rapid heating state.
    Type: Grant
    Filed: May 20, 2020
    Date of Patent: January 16, 2024
    Assignee: KT&G CORPORATION
    Inventors: Jae Min Lee, Sang Kyu Park
  • Patent number: 11856978
    Abstract: An aerosol-generating article may be fabricated in the form of a bead. For example, the aerosol-generating article may be fabricated in the form of a sphere having a predetermined diameter. Alternatively, the aerosol-generating article may be fabricated in an oval shape, a droplet shape, etc. Also, the aerosol-generating article may be fabricated in various sizes.
    Type: Grant
    Filed: January 3, 2019
    Date of Patent: January 2, 2024
    Assignee: KT&G CORPORATION
    Inventors: Min Kyu Kim, Sung Jong Ki, Han Joo Chung, Yong Sook Jin, Dae Nam Han, Jung Ho Han, Tae Hun Kim, Sang Kyu Park, Hwi Kyeong An, Jae Min Lee, Jong Sub Lee, Hun Il Lim
  • Patent number: 11845437
    Abstract: An embodiment acceleration limit control method includes determining an acceleration limit based on information on a passenger, determining a disturbance torque due to a disturbance, other than a drive source of a vehicle, based on at least a slope, determining a torque limit satisfying the acceleration limit based on the disturbance torque, and determining an output torque to be generated by the drive source based on the torque limit and a driver's requested torque.
    Type: Grant
    Filed: September 1, 2021
    Date of Patent: December 19, 2023
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Hui Un Son, Sang Joon Kim, Hong Chul Shin, Jae Myoung Pi, Song Il Park, Sang Kyu Park, Soo Bang Lee, Seong Ik Park
  • Publication number: 20230389614
    Abstract: An embodiment of the present invention includes a plurality of coils which have different numbers of windings and generate an alternating magnetic field when alternating current is applied; a susceptor for generating an aerosol by heating adjacent aerosol-generating substrates using heat generated through the alternating magnetic fields generated from the plurality of coils; and a controller for controlling a predetermined alternating current to be supplied to each of the plurality of coils, wherein the controller controls a first portion and a second portion of the susceptor to be heated differentially by alternating current supplied to the plurality of coils.
    Type: Application
    Filed: August 16, 2023
    Publication date: December 7, 2023
    Applicant: KT&G CORPORATION
    Inventors: Seung Won LEE, Sang Kyu PARK
  • Publication number: 20230354915
    Abstract: Disclosed is an aerosol-generating device which includes a power converter for supplying an alternating power to an induction coil, and controls switching elements in the power converter to change an operation mode of a power converter based on a temperature profile such that the power converter operates in a full bridge mode in a preheating section and operates in a half bridge mode in a smoking section.
    Type: Application
    Filed: September 6, 2021
    Publication date: November 9, 2023
    Applicant: KT&G CORPORATION
    Inventors: Jaemin LEE, Sang Kyu PARK, Hyung Seok LEE, Soung Ho JU
  • Publication number: 20230346032
    Abstract: An aerosol generating device includes: a susceptor configured to be inserted into an aerosol generating substrate; a first coil configured to induce heat in the susceptor by induction heating; a second coil having a resonance frequency which varies according to a change in a temperature of the susceptor; and a controller configured to calculate the temperature of the susceptor on the basis of a change in the resonance frequency of the second coil.
    Type: Application
    Filed: August 17, 2021
    Publication date: November 2, 2023
    Applicant: KT&G CORPORATION
    Inventor: Sang Kyu PARK
  • Patent number: 11800603
    Abstract: Provided is an aerosol generating apparatus including: a heater configured to generate aerosol by heating a cigarette, the heater including a first electrically conductive heating element formed along a first path on an electrically insulating substrate, a second electrically conductive heating element formed along a second path on the electrically insulating substrate, and a temperature sensor track formed along a third path in a region between the first path and the second path; a battery configured to supply power to the heater; and a controller configured to control the power supplied from the battery to the heater and monitor a temperature sensed using the temperature sensor track.
    Type: Grant
    Filed: January 20, 2022
    Date of Patent: October 24, 2023
    Assignee: KT&G CORPORATION
    Inventors: Hun Il Lim, Tae Hun Kim, Jung Ho Han, Sang Kyu Park
  • Publication number: 20230309624
    Abstract: Disclosed is an aerosol-generating device which includes a power converter for supplying an alternating power to an induction coil, and controls switching elements in the power converter to change an operation mode of a power converter based on a temperature profile such that the power converter operates in a full bridge mode in a preheating section and operates in a half bridge mode in a smoking section.
    Type: Application
    Filed: May 4, 2023
    Publication date: October 5, 2023
    Applicant: KT&G CORPORATION
    Inventors: Jaemin LEE, Sang Kyu PARK, Hyung Seok LEE, Soung Ho JU
  • Publication number: 20230292838
    Abstract: Provided is an aerosol generating apparatus including: a heater configured to generate aerosol by heating a cigarette, the heater including a first electrically conductive heating element formed along a first path on an electrically insulating substrate, a second electrically conductive heating element formed along a second path on the electrically insulating substrate, and a temperature sensor track formed along a third path in a region between the first path and the second path; a battery configured to supply power to the heater; and a controller configured to control the power supplied from the battery to the heater and monitor a temperature sensed using the temperature sensor track.
    Type: Application
    Filed: May 30, 2023
    Publication date: September 21, 2023
    Applicant: KT&G COPORATION
    Inventors: Hun Il LIM, Tae Hun KIM, Jung Ho HAN, Sang Kyu PARK