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).

  • Patent number: 12268248
    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: October 5, 2023
    Date of Patent: April 8, 2025
    Assignee: KT&G CORPORATION
    Inventors: Jae Min Lee, Sang Kyu Park
  • Patent number: 12245341
    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: May 30, 2023
    Date of Patent: March 4, 2025
    Assignee: KT&G CORPORATION
    Inventors: Hun Il Lim, Tae Hun Kim, Jung Ho Han, Sang Kyu Park
  • Patent number: 12137743
    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: Grant
    Filed: August 16, 2023
    Date of Patent: November 12, 2024
    Assignee: KT&G CORPORATION
    Inventors: Seung Won Lee, Sang Kyu Park
  • Patent number: 12133557
    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: April 18, 2024
    Date of Patent: November 5, 2024
    Assignee: KT&G CORPORATION
    Inventors: Jaemin Lee, Sang Kyu Park, Hyung Seok Lee, Soung Ho Ju
  • Patent number: 12127597
    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: September 6, 2021
    Date of Patent: October 29, 2024
    Assignee: KT&G CORPORATION
    Inventors: Jaemin Lee, Sang Kyu Park, Hyung Seok Lee, Soung Ho Ju
  • Patent number: 12120755
    Abstract: Provided is an aerosol generating device for heating a cigarette to generate aerosol, the aerosol generating device includes an inner wall configured to form an accommodating space for accommodating at least a portion of the cigarette; a coil provided outside the inner wall, surrounding at least a portion of the accommodating space, and configured to generate an induced magnetic field; a heating body provided in the accommodating space and comprising a ferromagnetic substance that generates heat by the induced magnetic field; and a supporting portion configured to support the heating body and integrally molded with the heating body, wherein the inner wall supports the supporting portion and is integrally molded with the supporting portion.
    Type: Grant
    Filed: March 5, 2020
    Date of Patent: October 15, 2024
    Assignee: KT&G CORPORATION
    Inventors: Hwi Kyeong An, Sang Kyu Park, Seung Won Lee
  • Patent number: 12075846
    Abstract: The present disclosure relates to a cleaning device and an aerosol-generating system including the same. Since the cleaning device according to an embodiment may receive electrical energy wirelessly from the aerosol-generating device, the cleaning device may operate without an internal battery or a wired power connection. Therefore, a weight of the cleaning device and its manufacturing cost may be reduced, and a user does not need to charge the cleaning device regularly.
    Type: Grant
    Filed: August 6, 2020
    Date of Patent: September 3, 2024
    Assignee: KT&G CORPORATION
    Inventor: Sang Kyu Park
  • Publication number: 20240260671
    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: April 18, 2024
    Publication date: August 8, 2024
    Applicant: KT&G CORPORATION
    Inventors: Jaemin LEE, Sang Kyu PARK, Hyung Seok LEE, Soung Ho JU
  • Publication number: 20240237750
    Abstract: An aerosol generating device includes a housing including an accommodation space for receiving an aerosol generating article, a heater configured to heat the aerosol generating article inserted into the accommodation space to generate an aerosol, a sensor configured to generate a sensing signal corresponding to a change in capacitance of the accommodation space, and a processor electrically connected to the heater and the sensor, wherein the sensor includes a printed circuit board disposed to surround at least a part of an outer circumferential surface of the accommodation space, an electrode disposed on one region of the printed circuit board and configured to generate the sensing signal corresponding to the change in capacitance of the accommodation space, and ground disposed in another region of the printed circuit board located in a direction opposite to the one region, and the electrode being electrically connected to the ground to shield noise.
    Type: Application
    Filed: August 8, 2022
    Publication date: July 18, 2024
    Applicant: KT&G CORPORATION
    Inventors: Jae Min LEE, Sang Kyu PARK
  • Patent number: 12022884
    Abstract: An aerosol generating device includes a heater configured to heat an aerosol generating substrate, at least one sensor configured to sense a tap input of a user, and a controller configured to receive a sensing value indicating the tap input from the at least one sensor, count a number of tap inputs based on the received sensing value being greater than a variable threshold, and operate the heater based on whether the counted number of tap inputs reaches a predetermined input number, wherein the controller adjusts the variable threshold based on the counted number of tap inputs.
    Type: Grant
    Filed: June 11, 2020
    Date of Patent: July 2, 2024
    Assignee: KT&G CORPORATION
    Inventors: Jae Min Lee, Sang Kyu Park
  • Patent number: 11998052
    Abstract: An aerosol generating device includes an accommodation space in a cylindrical shape for accommodating a cigarette, an induction coil wound along an outer surface of the accommodation space, a power supply for supplying electric power to the induction coil, a controller for controlling electric power supplied to the induction coil, and a shield film including a ferromagnetic material for shielding electromagnetic interference from electromagnetic waves emitted from the induction coil. The shield film surrounds only a portion of an outer surface of the induction coil to shield the electromagnetic interference from the electromagnetic waves having a frequency that does not exceed 500 kHz.
    Type: Grant
    Filed: May 19, 2020
    Date of Patent: June 4, 2024
    Assignee: KT&G CORPORATION
    Inventors: Jae Min Lee, Sang Kyu Park, Hwi Kyeong An, Seung Won Lee, Soung Ho Ju
  • Patent number: 11992056
    Abstract: Provided is an apparatus for generating an aerosol by induction heating, the apparatus including: at least one susceptor formed in an elongated structure extending in a longitudinal direction of a cigarette to be accommodated in the apparatus, and arranged to be inserted into the cigarette to heat the cigarette; an ejector including an accommodating space for accommodating the cigarette, and an opening formed at one end of the accommodating space so that the cigarette is inserted in the accommodating space, wherein the at least one susceptor is arranged opposite the one end in the accommodating space, and the ejector is detached from and attached to the apparatus together with the at least one susceptor; and a coil arranged to surround the ejector along the longitudinal direction when the ejector is coupled to the apparatus, and configured to apply an alternating magnetic field to the at least one susceptor so that the at least one susceptor generates heat.
    Type: Grant
    Filed: November 7, 2019
    Date of Patent: May 28, 2024
    Assignee: KT&G CORPORATION
    Inventors: Sang Kyu Park, Jong sub Lee, Seung Won Lee, Jae Min Lee, Soung Ho Ju
  • Patent number: 11980231
    Abstract: An aerosol generating system includes an aerosol generating device including an induction coil that performs a heating operation for heating a susceptor arranged in a cigarette insertion portion and a charging operation for receiving electric power from the outside to charge a power supply, and a charging device including a transmission coil that transmits electric power to the induction coil.
    Type: Grant
    Filed: January 15, 2020
    Date of Patent: May 14, 2024
    Assignee: KT&G CORPORATION
    Inventors: Seung Won Lee, Sung Wook Yoon, Sang Kyu Park, Jong Sub Lee
  • Patent number: 11969012
    Abstract: According to an embodiment of the present invention, there is disclosed an aerosol-generating device for generating an aerosol through microwaves, the device including a microwave heater generating microwaves; a microwave cavity located in the aerosol-generating device, configured to accommodate a cigarette containing an aerosol-generating substrate, and including at least one outlet for passing an aerosol generated from the cigarette heated by the generated microwaves; and a microwave antenna located outside the microwave cavity and configured to transmit the generated microwaves to a predetermined effective area range in the microwave cavity.
    Type: Grant
    Filed: May 20, 2020
    Date of Patent: April 30, 2024
    Assignee: KT&G CORPORATION
    Inventors: Jae Min Lee, Sang Kyu Park
  • Patent number: 11969019
    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: Grant
    Filed: November 15, 2019
    Date of Patent: April 30, 2024
    Assignee: KT&G CORPORATION
    Inventors: Seung Won Lee, Sang Kyu Park
  • Patent number: 11969018
    Abstract: According to an embodiment, provided is an aerosol generating device including: a receiving portion accommodating a cigarette through an opening formed at one end of the receiving portion; a first susceptor located in the receiving portion; a second susceptor arranged spaced apart from the first susceptor; a third susceptor arranged spaced apart from the first susceptor and the second susceptor; and a coil that induces an alternating magnetic field so that the first to third susceptors generate heat, wherein whether the cigarette is accommodated is determined based on a first temperature profile of the second susceptor and a second temperature profile of the third susceptor.
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: April 30, 2024
    Assignee: KT&G CORPORATION
    Inventors: Sang Kyu Park, Seung Won Lee, Jong Sub Lee
  • 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: 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
  • 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: 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