Patents Assigned to KT & G Corporation
  • Patent number: 11957182
    Abstract: An aerosol generating device includes a main body and a cartridge detachably coupled to the main body. The main body includes a controller, a battery, and a first wireless communication unit. The cartridge includes a second wireless communication unit. The controller controls output power of the battery to apply a power pattern to the cartridge, and the first wireless communication unit establishes a wireless connection with the second wireless communication unit when power supplied from the battery to the cartridge matches a preset power pattern.
    Type: Grant
    Filed: May 7, 2020
    Date of Patent: April 16, 2024
    Assignee: KT&G CORPORATION
    Inventors: Byung Sung Cho, Won Kyeong Lee, Jong Sub Lee, Dae Nam Han
  • Patent number: 11957179
    Abstract: Disclosed is an aerosol generating device including a heater that heats an aerosol generating material and a controller that controls power to be supplied to the heater. The controller calculates a first power amount indicating a power amount used by the heater during a preset first time period after a heating operation of the heater is started, and controls the heating operation of the heater based on whether the first power amount is greater than or equal to a preset reference power amount.
    Type: Grant
    Filed: May 14, 2020
    Date of Patent: April 16, 2024
    Assignee: KT&G CORPORATION
    Inventor: Jae Min Lee
  • Patent number: 11957180
    Abstract: An aerosol generating device includes: a holder configured to generate aerosols; and a cradle which displays, on the display, data obtained from the sensor and an indicator for activating a user interface, outputs through the user interface a plurality of pre-stored temperature profiles in response to a first user input of selecting the indicator, and in response to a second user input of selecting any one of the plurality of the pre-stored temperature profiles, transmits the selected temperature profile to the holder such that the holder controls a temperature profile used to heat an aerosol generating material based on the selected temperature profile.
    Type: Grant
    Filed: October 21, 2020
    Date of Patent: April 16, 2024
    Assignee: KT&G CORPORATION
    Inventors: Sung Wook Yoon, Seung Won Lee, Dae Nam Han
  • 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
  • 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: 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: 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: 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
  • Publication number: 20240119642
    Abstract: To output a virtual smoke image, an electronic device may receive a connection request from an aerosol generating device in a state of being paired with one or more external controllers, determine a controller type of the aerosol generating device, suspend pairing with a target external controller among the one or more external controllers when the determined controller type corresponds to a type of the target external controller, perform connection with the aerosol generating device, receive sensing information about a state of the aerosol generating device, generate a virtual smoke image based on the sensing information, and output the virtual smoke image through a display of the electronic device.
    Type: Application
    Filed: June 2, 2023
    Publication date: April 11, 2024
    Applicant: KT&G CORPORATION
    Inventors: Jae Hyun KIM, Minseok JEONG, Tae Young CHUNG
  • Publication number: 20240114974
    Abstract: An aerosol-generating device and system are disclosed. The aerosol-generating device includes a heater for heating an aerosol-generating material, a power supply for supplying electric power to the heater, and a controller for controlling the amount of electric power supplied to the heater. In a first section, the controller controls the amount of electric power supplied to the heater such that the aerosol-generating material is heated to a first temperature during a first time period. In a second section, after the first section, the controller controls the amount of electric power supplied to the heater such that the aerosol-generating material is heated to a second temperature, which is higher than the first temperature. In a third section, after the second section, the controller controls the amount of electric power supplied to the heater such that the aerosol-generating material is maintained at a third temperature, which is lower than the second temperature.
    Type: Application
    Filed: December 16, 2021
    Publication date: April 11, 2024
    Applicant: KT&G CORPORATION
    Inventor: Moonbong LEE
  • Patent number: 11950632
    Abstract: Provided is an aerosol generating apparatus including: a susceptor configured to heat an aerosol generating article inserted into an accommodation space of the aerosol generating apparatus; an induction coil arranged around the susceptor and configured to heat the susceptor by induction heating; a switching module configured to switch an electrical path of the induction coil; and a controller electrically connected to the switching module and configured to detect insertion of the aerosol generating article on the basis of a change in an inductance of the induction coil by setting a control mode for the induction coil to a reception mode, and when the insertion of the aerosol generating article is detected, switch the control mode to a transmission mode for activating the induction heating, via the switching module.
    Type: Grant
    Filed: May 23, 2022
    Date of Patent: April 9, 2024
    Assignee: KT & G CORPORATION
    Inventors: Yong Hwan Kim, Dae Nam Han, Dong Sung Kim, Seung Won Lee, Seok Su Jang
  • Patent number: 11950628
    Abstract: Provided is an aerosol generating device including a case in which a heater for heating a cigarette is installed, a bracket for supporting components installed inside the case, a fastening member for fastening the case and the bracket, and a cap that is installed on an outer surface of the case in an inseparable manner to conceal the fastening member in the case.
    Type: Grant
    Filed: November 23, 2021
    Date of Patent: April 9, 2024
    Assignee: KT&G CORPORATION
    Inventors: Hwi Kyeong An, Kyung Moon Ji, In Seoung Chun, Won Hui Shin
  • Publication number: 20240108056
    Abstract: A smoking article includes a medium accommodation portion that includes a cigarette column portion filled with cut tobacco leaves and a paper tube portion, a moisturizer accommodation portion that is disposed on one side of the medium accommodation portion and that includes an aerosol generating material, and a filter portion disposed on another side of the medium accommodation portion. A length of the cigarette column portion may be ½ of a length of a general medium accommodation portion, and the entire cigarette column portion may be heated by a heater.
    Type: Application
    Filed: March 16, 2023
    Publication date: April 4, 2024
    Applicant: KT&G CORPORATION
    Inventors: Jung Kyu SEO, Do Kyong LEE, Jae Hyun LEE
  • Publication number: 20240108052
    Abstract: An embodiment of the present disclosure discloses tobacco material including: a center portion including a flavor material; and an outer portion including a tobacco mixture, wherein the outer portion surrounds the center portion.
    Type: Application
    Filed: April 12, 2022
    Publication date: April 4, 2024
    Applicant: KT&G CORPORATION
    Inventors: Seok Su JANG, Sun Hwan JUNG, Hyeon Tae KIM, Jun Won SHIN, Dae Nam HAN, Yong Hwan KIM, Sung Wook YOON, Seung Won LEE
  • Publication number: 20240108059
    Abstract: An aerosol generating article includes: a first segment impregnated with a first liquid composition; a second segment impregnated with a second liquid composition that is different from the first liquid composition; a cooler configured to cool aerosol by allowing the aerosol, generated from the first segment or the second segment, to pass through the cooler; and a filter configured to filter the aerosol by allowing the aerosol having passed through the cooler to pass through the filter, wherein at least a portion of the filter is recessed to thereby form a cavity in the filter.
    Type: Application
    Filed: October 18, 2021
    Publication date: April 4, 2024
    Applicant: KT&G CORPORATION
    Inventors: Tae Kyung LEE, Chan Min KWON, Sun Hwan JUNG
  • Patent number: 11944118
    Abstract: Provided is an aerosol-generating article including a wrapper which is discolored as the aerosol-generating material is heated, the aerosol-generating article including: a tobacco rod; a front-end plug arranged on a side of the tobacco rod; a filter rod arranged on the other side of the tobacco rod; and the wrapper surrounding the tobacco rod, the front-end plug, and the filter rod, wherein the wrapper includes a thermochromic material which is heated and discolored by an aerosol-generating device when the aerosol-generating article is inserted into the aerosol-generating device.
    Type: Grant
    Filed: November 13, 2019
    Date of Patent: April 2, 2024
    Assignee: KT&G CORPORATION
    Inventors: Bong Su Cheong, Dong Kyun Ko, Jae Sung Noh, Sang Won Choi, Jung Seop Hwang
  • Patent number: 11944128
    Abstract: Provided is a method of cleaning an aerosol generating device, the method including: receiving a user input for performing a cleaning operation; obtaining information about a performance history of the cleaning operation in response to the user input; setting a mode of the cleaning operation to one of a plurality of cleaning modes based on the information about the performance history; and performing the cleaning operation according to the set cleaning mode.
    Type: Grant
    Filed: May 9, 2019
    Date of Patent: April 2, 2024
    Assignee: KT&G CORPORATION
    Inventors: Jae Min Lee, Jong Sub Lee, Dae Nam Han, Paul Joon Sunwoo
  • Patent number: 11944129
    Abstract: An optical module includes: an infrared light emitter configured to emit infrared light; an infrared light receiver configured to receive the infrared light emitted from the infrared light emitter and generate a signal based on an amount of the received infrared light; a touch interface arranged between the infrared light emitter and the infrared light receiver, and configured to reflect the infrared light emitted from the infrared light emitter toward the infrared light receiver, and change an amount of the reflected infrared light as a touch input occurs; and a visible light emitter configured to emit visible light toward the touch interface such that the visible light is emitted outside the optical module by passing through the touch interface.
    Type: Grant
    Filed: June 11, 2020
    Date of Patent: April 2, 2024
    Assignee: KT&G CORPORATION
    Inventor: Hwi Kyeong An
  • Patent number: 11944124
    Abstract: An aerosol generating device may include a heater configured to heat an aerosol generating material, a battery configured to supply power to the heater, and a controller. In addition, the aerosol generating device may further include a user input detection sensor configured to receive a user's input and a pressure detection sensor configured to sense pressure. The controller may, in response to the user's input being sensed by using the user input detection sensor, obtain an initial pressure sensing value by using the pressure detection sensor. In addition, the controller may determine a reference pressure value based on the initial pressure sensing value and determine whether a puff of the aerosol generating device has occurred based on the reference pressure value.
    Type: Grant
    Filed: December 11, 2020
    Date of Patent: April 2, 2024
    Assignee: KT&G CORPORATION
    Inventors: Won Kyeong Lee, Min Kyu Kim, Jong Sub Lee, Byung Sung Cho
  • Publication number: 20240099364
    Abstract: One or more embodiments relate to a cellulose acetate tow, a filter including the same, and an aerosol generating article including the filter.
    Type: Application
    Filed: October 18, 2021
    Publication date: March 28, 2024
    Applicant: KT&G CORPORATION
    Inventors: Min Hee HWANG, Man Seok SEO, Chang Jin PARK, Ki Jin AHN