Patents by Inventor Yong Hwan Kim

Yong Hwan Kim 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: 20240277068
    Abstract: A heater assembly for an aerosol generating device includes a body including a receiving space in which an aerosol generating article is accommodated, a coil configured to apply a magnetic field so that a susceptor located in the receiving space generates heat to heat the aerosol generating article, an air flow passage cover located outside the body and including an air flow passage through which air passes, a pressure sensor located on the air flow passage cover and configured to detect a change in pressure inside the air flow passage, and a moisture detecting sensor located on a support unit for supporting the coil and configured to detect moisture in the aerosol generating article accommodated in the receiving space.
    Type: Application
    Filed: January 3, 2024
    Publication date: August 22, 2024
    Applicant: KT&G CORPORATION
    Inventors: Dong Sung KIM, Young Bum KWON, Yong Hwan KIM, Hun Il LIM
  • Publication number: 20240277071
    Abstract: Provided are an aerosol generating device and a method of controlling the same. When a cigarette is inserted into an aerosol generating device, a heater assembly is used to heat the cigarette to generate an aerosol in a preheating section and a smoking section after the preheating section, a temperature sensor is used to sense a temperature of the heater assembly in the preheating section and the smoking section, and a controller is used to identify a cigarette type of the cigarette, based on a trend in a temperature change within a preset temperature range of the preheating section, and control heating of the heater assembly during the smoking section by using a temperature profile corresponding to the identified cigarette type.
    Type: Application
    Filed: January 16, 2024
    Publication date: August 22, 2024
    Applicant: KT&G CORPORATION
    Inventors: Yong Hwan KIM, Young Bum KWON, Dong Sung KIM, Hun II LIM
  • Patent number: 12063979
    Abstract: An aerosol generating device and system determine whether an aerosol generating substance is separated from the aerosol generating device based on an amount of change in inductance while power is blocked from being supplied to a heater.
    Type: Grant
    Filed: December 15, 2020
    Date of Patent: August 20, 2024
    Assignee: KT&G CORPORATION
    Inventors: Yong Hwan Kim, Sung Wook Yoon, Seung Won Lee, Dae Nam Han
  • Patent number: 12063982
    Abstract: Provided is a method of controlling a temperature of a heater of an aerosol generating device based on temperature and humidity. The method includes detecting an external temperature and an external humidity of the aerosol generating device; determining a temperature profile of the heater; outputting a plurality of adjustment values; determining an adjustment value from among the plurality of adjustment values based on a user input; fine-tuning the temperature profile based on the determined adjustment value; and controlling power supplied to the heater based on the fine-tuned temperature profile, wherein at least one of the temperature profile and the plurality of adjustment values is determined based on at least of the external temperature and the external humidity.
    Type: Grant
    Filed: December 16, 2020
    Date of Patent: August 20, 2024
    Assignee: KT&G CORPORATION
    Inventors: Yong Hwan Kim, Dae Nam Han, Sung Wook Yoon, Seung Won Lee
  • Patent number: 12063968
    Abstract: An aerosol generating device includes: a heater configured to heat an aerosol generating substance; a battery configured to supply power to the heater; a thermoelectric element arranged adjacent to the heater, and configured to absorb heat from the heater and convert the absorbed heat into electric power; and a controller configured to charge the battery by using the converted power based on a heating time of the heater.
    Type: Grant
    Filed: December 10, 2020
    Date of Patent: August 20, 2024
    Assignee: KT&G CORPORATION
    Inventors: Seung Won Lee, Yong Hwan Kim, Sung Wook Yoon, Dae Nam Han
  • Publication number: 20240268473
    Abstract: An aerosol generating device includes a case including an accommodation passage into which a cigarette is inserted, a cover coupled to the case, a heater heating the cigarette, a humidity sensor arranged on an upper surface of the cover, and a controller configured to determine humidity of the cigarette by comparing the moisture amount, which is detected by the humidity sensor, with a preset threshold value.
    Type: Application
    Filed: June 16, 2023
    Publication date: August 15, 2024
    Applicant: KT&G CORPORATION
    Inventors: Yong Hwan KIM, Young Bum KWON, Dong Sung KIM, Hun 11 LIM
  • Publication number: 20240268475
    Abstract: An aerosol-generating device includes a heater configured to heat at least a portion of an aerosol-generating product, a sensor configured to detect a user's puff, and a processor electrically connected to the heater and the sensor, wherein the processor is configured to obtain first remaining puff data based on pressure change data obtained through the sensor, when the first remaining puff data satisfies a preset condition and a user input is received, obtain data regarding an inhalation pattern based on the pressure change data, and supply power to the heater by changing the first remaining puff data to second remaining puff data based on the data regarding the inhalation pattern. Various embodiments may be made.
    Type: Application
    Filed: January 6, 2023
    Publication date: August 15, 2024
    Applicant: KT&G CORPORATION
    Inventors: Yong Hwan KIM, Dong Sung KIM, Hun ll LIM, Seok Su JANG
  • Publication number: 20240268474
    Abstract: An aerosol generating device includes a housing including an opening into which an aerosol generating article is inserted, a heater assembly located inside the housing and including an accommodation space for accommodating an aerosol generating article that is inserted through the opening, an airflow passage located between the housing and the heater assembly to allow an outside of the aerosol generating device to fluid-communicate with an inside of the accommodation space, a sensor arranged adjacent to the airflow passage and configured to detect at least one of a pressure change and a temperature change in the airflow passage, and a processor electrically connected to the sensor and configured to output a notification of a user's puff action, based on the at least one of a pressure change and a temperature change of the airflow passage.
    Type: Application
    Filed: November 9, 2022
    Publication date: August 15, 2024
    Applicant: KT&G CORPORATION
    Inventors: Dong Sung KIM, Young Bum KWON, Yong Hwan KIM, Hun II LIM, Seok Su JANG
  • Publication number: 20240268471
    Abstract: Provided is an aerosol generating device including: a battery configured to supply power; a heating body configured to heat an aerosol generating article; and an amplifier electrically connected to the battery and the heating body, wherein the amplifier is configured to amplify a power signal supplied from the battery using at least two switching elements to generate a first amplification signal, and eliminate a modulation frequency component and a harmonics component from the generated first amplification signal to generate a second amplification signal, and transmit the generated second amplification signal to the heating body, wherein each of the at least two switching elements has a capacitance of 5 nC or less or a resistance value of 15 m? or less. In addition, various embodiments identified through the specification are possible.
    Type: Application
    Filed: April 17, 2023
    Publication date: August 15, 2024
    Applicant: KT&G CORPORATION
    Inventors: Young Bum KWON, Dong Sung KIM, Yong Hwan KIM, Hun II LIM, Seok Su JANG
  • Publication number: 20240260678
    Abstract: An aerosol-generating device includes a heater configured to heat at least a portion of an aerosol-generating article and a processor configured to control supply of power to the heater according to a preheating profile including a first section and a second section, wherein the processor is further configured to, when a time taken for the heater to reach a target temperature in the first section is less than or greater than a preset range, obtain a changed preheating profile in which a time corresponding to the second section is changed, and supply power to the heater according to a changed preheating profile.
    Type: Application
    Filed: January 19, 2023
    Publication date: August 8, 2024
    Applicant: KT&G CORPORATION
    Inventors: Yong Hwan KIM, Seok Su JANG, Dong Sung KIM, Hun ll LIM
  • Publication number: 20240251874
    Abstract: An aerosol generating device according to an embodiment including a heater configured to heat at least a portion of an aerosol generating article, a temperature sensor configured to measure a temperature of the heater, and a processor configured to control power supply to the heater according to a first temperature profile for a first smoking operation, wherein the processor is further configured to detect a second smoking operation after the first smoking operation, based on a temperature of the heater measured by the temperature sensor, and to control power supply to the heater according to a second temperature profile in which a time corresponding to a temperature drop section of the first temperature profile is corrected, when the second smoking operation is detected. In addition, various embodiments are available through the specification.
    Type: Application
    Filed: July 27, 2022
    Publication date: August 1, 2024
    Applicant: KT&G CORPORATION
    Inventors: Yong Hwan KIM, Dong Sung KIM, Hun Il LIM, Seok Su JANG
  • Publication number: 20240251878
    Abstract: An aerosol generating device includes a heater configured to heat at least a part of an aerosol generating article, a memory, a user interface configured to output a notification to a user, and a processor electrically connected to the heater, the memory, and the user interface, wherein the processor is configured to, when an accumulated heating number of the heater is greater than or equal to a threshold value, obtain data about a heating time of the heater and store the obtained data in the memory, and output a notification through the user interface based on whether a preset condition regarding the data about the heating time is satisfied. In addition, various embodiments understood from the specification are possible.
    Type: Application
    Filed: December 1, 2022
    Publication date: August 1, 2024
    Applicant: KT&G CORPORATION
    Inventors: Yong Hwan KIM, Dong Sung KIM, Hun ll LIM, Seok Su JANG
  • Publication number: 20240251849
    Abstract: An aerosol-generating device having a puff recognition function includes a temperature sensor configured to sense a temperature change of an airflow path formed inside the aerosol-generating device, and a controller configured to compare first information that varies depending on the temperature change with preset second information, and determine whether a user's puff occurred on a comparison result.
    Type: Application
    Filed: April 8, 2022
    Publication date: August 1, 2024
    Applicant: KT&G CORPORATION
    Inventors: Seung Won LEE, Dong Sung KIM, Yong Hwan KIM, Seok Su JANG, Dae Nam HAN
  • Publication number: 20240251868
    Abstract: An aerosol-generating device includes a housing including an airflow passage; a sensor unit including an inductor, the sensor unit configured to deform in shape based on an airflow through the airflow passage; and a processor connected to the sensor unit, wherein the processor is configured to measure an inductance value of the inductor, that changes according to a degree of deformation of the sensor unit, and detect a puff of a user based on the measured inductance value maintaining above a first predetermined threshold for a first predetermined time interval.
    Type: Application
    Filed: June 9, 2022
    Publication date: August 1, 2024
    Applicant: KT&G CORPORATION
    Inventors: Yong Hwan KIM, Dong Sung KIM, Seung Won LEE, Seok Su JANG, Dae Nam HAN
  • Publication number: 20240260304
    Abstract: A light emitting device includes a first electrode and a second electrode facing each other on a substrate, and an intermediate layer including a first blue stack, a first charge generation layer, and a phosphorescent stack between the first electrode and the second electrode. The first blue stack includes a hole transport layer, a first blue light-emitting layer, a second blue light-emitting layer, and an electron transport layer in this order. Further, the first blue light-emitting layer includes a first host and a blue dopant, and the second blue light-emitting layer includes a second host and the blue dopant. Also, a triplet energy level of the first host is greater than a triplet energy level of the second host and is smaller than a triplet energy level of the dopant.
    Type: Application
    Filed: October 2, 2023
    Publication date: August 1, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Dong Ik LEE, Jin Hwan PARK, Ji Yun KIM, Dong Hyuk KIM, Yong Hwan KIM
  • Publication number: 20240251871
    Abstract: According to an embodiment of the present disclosure, provided is an aerosol generating device including a cigarette including an aerosol generating substance, a puff detecting sensor configured to detect a puff, and a controller configured to control power supplied to a heater configured to heat the cigarette, wherein the controller is further configured to, based on the puff detected by the puff detecting sensor, calculate an accumulated inhaling amount up to a first time point, and based on the accumulated inhaling amount calculated at a first time point, determine whether to extend a preset smoking time.
    Type: Application
    Filed: June 8, 2022
    Publication date: August 1, 2024
    Applicant: KT&G CORPORATION
    Inventors: Yong Hwan KIM, Dong Sung KIM, Seung Won LEE, Seok Su JANG, Dae Nam HAN
  • Publication number: 20240251861
    Abstract: An aerosol generating device includes a housing including an accommodating space for accommodating an aerosol generating article, and an inlet-side support positioned at an opening of the accommodating space and including at least one support body for supporting the aerosol generating article, and an inflow passage for receiving air from the outside of the housing, the inflow passage decreasing in width toward the inside of the accommodating space.
    Type: Application
    Filed: November 10, 2022
    Publication date: August 1, 2024
    Applicant: KT&G CORPORATION
    Inventors: Dong Sung KIM, Young Bum KWON, Yong Hwan KIM, Hun II LIM, Seok Su JANG
  • Publication number: 20240251867
    Abstract: An aerosol-generating device according to embodiments includes a first sensor configured to measure a temperature of a heating member for heating an aerosol generating material, a second sensor configured to detect a characteristic of the aerosol generating material, a switching module connected to the first sensor and the second sensor and to a shared sensor signal line connected to the heating member, and a controller configured to control the switching module and receive a first sensor output signal from the first sensor or a second sensor output signal from the second sensor.
    Type: Application
    Filed: November 9, 2022
    Publication date: August 1, 2024
    Applicant: KT&G CORPORATION
    Inventors: Young Bum KWON, Hun Il LIM, Dong Sung KIM, Yong Hwan KIM, Seok Su JANG
  • Publication number: 20240251875
    Abstract: Provided is an aerosol-generating device including a heater configured to generate an aerosol by heating an aerosol-generating material of a cigarette, and a controller configured to determine whether the cigarette inserted through a cigarette insertion hole is a wet cigarette, and control the temperature of the heater based on a dedicated temperature profile corresponding to the wet cigarette when it is detected that the inserted cigarette is a wet cigarette.
    Type: Application
    Filed: June 22, 2022
    Publication date: August 1, 2024
    Applicant: KT&G CORPORATION
    Inventors: Yong Hwan KIM, Dong Sung KIM, Seung Won LEE, Seok Su JANG, Dae Nam HAM
  • Publication number: 20240245119
    Abstract: A heating structure includes a first body portion having a first length and a first cross-sectional shape and a second body portion connected to the first body portion and having a second length and a second cross-sectional shape different from the first cross-sectional shape.
    Type: Application
    Filed: April 7, 2023
    Publication date: July 25, 2024
    Applicant: KT&G CORPORATION
    Inventors: Dong Sung KIM, Youngbum KWON, Yong Hwan KIM, Hunil LIM, Seok Su JANG