Patents Assigned to KT & G Corporation
  • Patent number: 11974611
    Abstract: Provided is a method of controlling a temperature of a heater included in an aerosol generation device according to a type of cigarette. The method includes receiving temperature profiles of different types of cigarette from a user terminal; sensing a cigarette coupled to the heater after receiving the temperature profiles; identifying a type of the sensed cigarette; selecting a temperature profile corresponding to the identified type from among the temperature profiles; and controlling power supplied from a battery to the heater according to the selected temperature profile.
    Type: Grant
    Filed: May 21, 2018
    Date of Patent: May 7, 2024
    Assignee: KT&G CORPORATION
    Inventors: Hun Il Lim, Dong Sung Kim, Ji Hun Song
  • Patent number: 11974600
    Abstract: An aerosol generating device includes a first vaporizer configured to generate a first aerosol by heating a first liquid composition, a second vaporizer configured to generate a second aerosol by heating a second liquid composition, and a controller controlling power supplied to the first vaporizer and the second vaporizer, based on a first mode, in which a smokeless aerosol is generated, and a second mode, in which a transport amount of nicotine included in the second liquid composition is adjusted.
    Type: Grant
    Filed: December 16, 2020
    Date of Patent: May 7, 2024
    Assignee: KT&G CORPORATION
    Inventors: In Su Park, Sung Jong Ki, Young Joong Kim, John Tae Lee, Sun Hwan Jung, Eun Mi Jeoung
  • Patent number: 11974612
    Abstract: An aerosol generating device and an operation method thereof are disclosed. The aerosol generating device may include a heater for heating an aerosol generating material, a battery for supplying power to the heater, and a controller for dividing a preheating period for preheating the heater into a plurality of sections and controlling so that more power is supplied to the heater in a first section than in a second section among the plurality of sections.
    Type: Grant
    Filed: April 22, 2020
    Date of Patent: May 7, 2024
    Assignee: KT&G CORPORATION
    Inventors: Byung Sung Cho, Won Kyeong Lee, Jong Sub Lee, Dae Nam Han
  • Patent number: 11974605
    Abstract: Provided is an aerosol generating device. The aerosol generating device includes: an accommodation part into which a cigarette is capable of being inserted; and a heating element passing through a hole formed in a bottom surface of the accommodation part, protruding into the accommodation part and capable of heating the cigarette inserted into the accommodation part, wherein, on the bottom-surface, the ratio of a cross-sectional area of the hole with respect to a cross-sectional area of the heating element is greater than or equal to 1.8.
    Type: Grant
    Filed: June 26, 2020
    Date of Patent: May 7, 2024
    Assignee: KT&G CORPORATION
    Inventors: Yong Joon Jang, Chul Ho Jang, Ga Hee Lim, Sun Jin Jin
  • Publication number: 20240138475
    Abstract: An aerosol generating device includes: a housing including a hole for receiving an aerosol generating article and a guide apart from the hole; and a cover configured to move along the guide between a first position and a second position to open or close the hole, wherein the hole is open when the cover is located in the first position, and the hole is closed when the cover is located in the second position.
    Type: Application
    Filed: July 21, 2022
    Publication date: May 2, 2024
    Applicant: KT&G CORPORATION
    Inventors: Dong Sung KIM, Yong Hwan KIM, Hun II LIM, Seok Su JANG
  • Publication number: 20240138489
    Abstract: An aerosol-generating device is disclosed. The aerosol-generating device of the present disclosure includes an aerosol-generating module including at least one heater configured to heat an aerosol-generating substance, a battery configured to supply electric power to the heater, a sensor module including at least one sensor configured to sense inhalation by a user, a memory, and a controller configured to control the electric power supplied to the heater. The controller determines an inhalation pattern associated with inhalation by the user based on a signal received from the sensor module, determines a temperature profile corresponding to the inhalation pattern based on the determined inhalation pattern when the determined inhalation pattern differs from a previous inhalation pattern, and controls the electric power supplied to the heater based on the temperature profile corresponding to the inhalation pattern.
    Type: Application
    Filed: November 30, 2021
    Publication date: May 2, 2024
    Applicant: KT&G CORPORATION
    Inventor: Hyungjin JUNG
  • Publication number: 20240138469
    Abstract: A smoking article with an improved tobacco flavor and a method of producing the same are provided. The smoking article according to some embodiments of the present disclosure may include a smoking material portion, a filter portion, and a wrapper wrapped around at least a portion of the smoking material portion. Here, a sheet-type material including a plant extract may be applied to the smoking material portion or the wrapper. By expressing a tobacco flavor during smoking, the sheet-type material can improve a tobacco flavor of the smoking article.
    Type: Application
    Filed: July 11, 2022
    Publication date: May 2, 2024
    Applicant: KT&G CORPORATION
    Inventors: Ick Joong KIM, Kyung Bin JUNG
  • 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
  • Patent number: 11969011
    Abstract: A cigarette includes a tobacco rod, a front end plug positioned at a front end of the tobacco rod, a filter rod positioned at a rear end of the tobacco rod, and a wrapper surrounding the tobacco rod, the front end plug, and the filter rod and including at least one perforation formed in an area of the wrapper to allow air to flow to the inside of the wrapper.
    Type: Grant
    Filed: November 13, 2019
    Date of Patent: April 30, 2024
    Assignee: KT&G CORPORATION
    Inventors: Jung Seop Hwang, Dong Kyun Ko, Jae Sung Noh, Bong Su Cheong, Sang Won Choi
  • 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: 11969009
    Abstract: A cover assembly includes a mouthpiece including one end, that is configured to come into contact with a mouth of a user, and another end opposite to the one end, the mouthpiece configured to move to an open position and a closed position by rotation of the mouthpiece around the other end; and an accommodation unit for accommodating the one end of the mouthpiece in the closed position. The accommodation unit includes a button unit including a body, the button unit configured to contact the one end of the mouthpiece and to be displaced in a longitudinal direction based on the one end being pressed; and a locking unit including a body, the body of the locking unit including a first portion that is configured to contact the one end of the mouthpiece and a second portion that is configured to contact the button unit.
    Type: Grant
    Filed: March 19, 2021
    Date of Patent: April 30, 2024
    Assignee: KT&G CORPORATION
    Inventors: Dong Sung Kim, Heon Jun Jeong, Won Kyeong Lee, Jae Sung Choi
  • Publication number: 20240130419
    Abstract: A flavoring sheet with improved physical properties, a smoking article including the same, and methods of producing the flavoring sheet and the smoking article are provided. The flavoring sheet according to some embodiments of the present disclosure may include a hydrocolloid material configured to form a sheet, a flavoring, and a plasticizer. The plasticizer can improve physical properties of the flavoring sheet and thus enhance workability of a process of cutting the flavoring sheet.
    Type: Application
    Filed: July 10, 2022
    Publication date: April 25, 2024
    Applicant: KT&G CORPORATION
    Inventors: Geon Chang LEE, Ick Joong KIM, Kyung Bin JUNG, Eun Mi JEOUNG, Min Hee HWANG
  • Publication number: 20240130417
    Abstract: The disclosure relates to a tobacco material including a natural flavor material and a method of preparing the tobacco material. The tobacco material may have a core-shell structure in which a core includes a natural flavor material and is surrounded by a shell including a tobacco mixture, such that the aerosol generating article including the tobacco material generates a characteristic flavor.
    Type: Application
    Filed: April 3, 2022
    Publication date: April 25, 2024
    Applicant: KT&G CORPORATION
    Inventors: Seok Su JANG, Dae Nam HAN, Yong Hwan KIM, Seung Won LEE
  • Publication number: 20240122233
    Abstract: One or more embodiments relate to an aerosol generating article including: a first portion including an aerosol generating element; a second portion including a cooling element; a third portion including a tobacco element; and a fourth portion including a filter element, wherein the first through fourth portions are sequentially arranged in a longitudinal direction of the aerosol generating article.
    Type: Application
    Filed: April 27, 2022
    Publication date: April 18, 2024
    Applicant: KT&G CORPORATION
    Inventors: Seok Su JANG, Dae Nam HAN, Dong Sung KIM, Yong Hwan KIM, Seung Won LEE
  • Patent number: 11957166
    Abstract: A cartridge for an aerosol generating device is provided, which includes a storage configured to store an aerosol generating material; a heating element configured to generate aerosol by heating the aerosol generating material; an aerosol discharge passage configured to discharge the aerosol in one direction; and a cap coupled to one end of the storage to seal the storage; and a droplet accommodation portion formed in the cap and located on an extension line of the aerosol discharge passage to accommodate droplets formed from the aerosol.
    Type: Grant
    Filed: April 22, 2020
    Date of Patent: April 16, 2024
    Assignee: KT&G CORPORATION
    Inventors: Jong Sub Lee, Kyung Moon Ji
  • Patent number: 11957176
    Abstract: A heater assembly includes a heating body that generates heat and includes a first portion and a second portion having a diameter smaller than a diameter of the first portion, a first fixing portion that supports the heating body and includes an insertion hole into which the second portion of the heating body is inserted, and a second fixing portion extending in a longitudinal direction of the heating body to form an accommodation space in which a cigarette is accommodated and engaging with the first fixing portion at one side of the second fixing portion, wherein the diameter of the second portion is larger than a diameter of the insertion hole of the first fixing portion before the heating body is inserted into the first fixing portion by interference fit.
    Type: Grant
    Filed: November 23, 2020
    Date of Patent: April 16, 2024
    Assignee: KT&G CORPORATION
    Inventor: Hwi Kyeong An
  • Patent number: 11957164
    Abstract: A method for manufacturing a flavor capsule of tobacco according to an embodiment of the present disclosure may comprise: a membrane manufacturing step for manufacturing a membrane of a flavor capsule by a membrane manufacturing part that manufactures a membrane; a capsule manufacturing step for manufacturing the flavor capsule using an apparatus for manufacturing a capsule with the membrane manufactured during the membrane manufacturing step and a flavored liquid to be held in the membrane; and a hardening step for hardening the flavor capsule.
    Type: Grant
    Filed: May 22, 2020
    Date of Patent: April 16, 2024
    Assignee: KT&G CORPORATION
    Inventors: Ick Joong Kim, Ali Jeong Bang, Jung Seop Hwang, Sang Jin Nam, Jae Gon Lee, Han Joo Chung
  • Patent number: 11957171
    Abstract: An aerosol generating device may include a heater configured to heat an aerosol generating article; a heater flange supporting one end of the heater; a heat barrier coupled to the heater flange and surrounding the heater without contact; and a housing accommodating the heater and the heat barrier, wherein a fastening member is formed on one of the heater flange and the heat barrier, and an accommodating portion for accommodating the fastening member is formed on the other of the heater flange and the heat barrier, and wherein the heater flange and the heat barrier are coupled to each other by the fastening member and the accommodating portion.
    Type: Grant
    Filed: April 23, 2020
    Date of Patent: April 16, 2024
    Assignee: KT&G CORPORATION
    Inventor: Sung Wook Yoon
  • Patent number: 11957170
    Abstract: A vaporizer includes a storage storing a liquid aerosol generating material, a wick extending in one direction and absorbing the aerosol generating material through both end portions thereof that are connected to the storage, and a coil surrounding the wick a plurality of times at different winding intervals and heating the aerosol generating material absorbed by the wick, based on an absorption rate profile of the aerosol generating material which changes in the wick along the one direction.
    Type: Grant
    Filed: June 2, 2020
    Date of Patent: April 16, 2024
    Assignee: KT&G CORPORATION
    Inventors: Won Kyeong Lee, Dae Nam Han