Patents by Inventor John-Tae Lee

John-Tae Lee 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: 20250160385
    Abstract: An aerosol-generating medium manufacturing system according to various embodiments may comprise: a chamber defining a manufacturing space; a medium source unit disposed in the manufacturing space; a heating unit for heating the medium source unit in order to release a transition material from the medium source unit; a circulation unit for circulating the transition material; and a transition unit that is transferred to the transition material.
    Type: Application
    Filed: March 3, 2023
    Publication date: May 22, 2025
    Applicant: KT & G CORPORATION
    Inventors: Tae Kyung LEE, Chan Min KWON, Tae Kyun KIM, Insu PARK, Mi Jeong LEE, John Tae LEE
  • Publication number: 20250160398
    Abstract: An aerosol-generating system according to various embodiments includes: an aerosol-generating article including a medium segment; and an aerosol-generating device, wherein the aerosol-generating article further includes: a first filter segment arranged at the upstream of the medium segment; and a second filter segment arranged at the downstream of the medium segment, and nicotine may be adsorbed to at least one of the first filter segment and the second filter segment.
    Type: Application
    Filed: March 2, 2023
    Publication date: May 22, 2025
    Applicant: KT&G CORPORATION
    Inventors: Tae Kyung LEE, Chan Min KWON, Tae Kyun KIM, Insu PARK, Mi Jeong LEE, John Tae LEE
  • Publication number: 20250151805
    Abstract: An aerosol-generating article according to various embodiments includes a first segment and a second segment disposed downstream of the first segment, wherein nicotine is adsorbed on the first segment and the second segment, and the amount of nicotine adsorbed per unit length of the first segment may be equal to or greater than the amount of nicotine adsorbed per unit length of the second segment.
    Type: Application
    Filed: March 16, 2023
    Publication date: May 15, 2025
    Applicant: KT&G CORPORATION
    Inventors: Chan Min KWON, Tae Kyun KIM, Insu PARK, Mi Jeong LEE, Tae Kyung LEE, John Tae LEE
  • Patent number: 12262734
    Abstract: An aerosol generating article and an aerosol generating system, which include a composite heat source, are provided. An aerosol generating article includes: a first portion including a composite heat source; a second portion adjacent to the first portion and including at least one of an aerosol generating material and a tobacco material; a third portion including a cooling material; and a fourth portion including a filter material, wherein the first portion, the second portion, the third portion, and the fourth portion are sequentially arranged along a longitudinal direction of the aerosol generating article.
    Type: Grant
    Filed: January 6, 2021
    Date of Patent: April 1, 2025
    Assignee: KT&G CORPORATION
    Inventors: Eun Mi Jeoung, Sung Jong Ki, Young Joong Kim, In Su Park, John Tae Lee, Sun Hwan Jung
  • Publication number: 20250098768
    Abstract: Disclosed is an aerosol generating system including a cigarette and an aerosol generating device. The cigarette includes a first substrate section and a second substrate section which include a non-tobacco material sheet containing an aerosol generating material, and the aerosol generating device includes a single heater disposed so that a heating area of the first substrate section is different from a heating area of the second substrate section.
    Type: Application
    Filed: December 10, 2024
    Publication date: March 27, 2025
    Applicant: KT&G CORPORATION
    Inventors: Sung Jong KI, Young Joong KIM, In Su PARK, John Tae LEE, Sun Hwan JUNG, Eun Mi JEOUNG
  • Patent number: 12220001
    Abstract: Provided is an aerosol generating device including a battery, a first cartridge including a first material containing nicotine and a pH adjuster and a first heater configured to heat the first material, and a controller configured to control power supplied to the first heater from the battery.
    Type: Grant
    Filed: September 11, 2020
    Date of Patent: February 11, 2025
    Assignee: KT & G CORPORATION
    Inventors: In Su Park, John Tae Lee, Sung Jong Ki, Eun Mi Jeoung, Young Joong Kim, Sun Hwan Jung
  • Patent number: 12193500
    Abstract: Disclosed is an aerosol generating system including a cigarette and an aerosol generating device. The cigarette includes a first substrate section and a second substrate section which include a non-tobacco material sheet containing an aerosol generating material, and the aerosol generating device includes a single heater disposed so that a heating area of the first substrate section is different from a heating area of the second substrate section.
    Type: Grant
    Filed: July 15, 2020
    Date of Patent: January 14, 2025
    Assignee: KT&G CORPORATION
    Inventors: Sung Jong Ki, Young Joong Kim, In Su Park, John Tae Lee, Sun Hwan Jung, Eun Mi Jeoung
  • Patent number: 12167745
    Abstract: Disclosed is a cigarette including a tobacco rod, a supporting segment positioned at a downstream end of the tobacco rod, a cooling segment positioned at a downstream end of the supporting segment, and a mouthpiece positioned at a downstream end of the cooling segment. The cigarette according to the present embodiment may include a plurality of air channels formed along a longitudinal direction of the cigarette and the cooling segment having porosity of 50% or less.
    Type: Grant
    Filed: July 2, 2019
    Date of Patent: December 17, 2024
    Assignee: KT&G CORPORATION
    Inventors: Jung Seop Hwang, John Tae Lee, Bong Su Cheong, Sung Jong Ki, Yong Sook Jin
  • Patent number: 12121053
    Abstract: An aerosol generating article includes: a first portion comprising an aerosol generating material; a second portion comprising a tobacco material including a moisturizing agent; a third portion configured to cool airflow that has passed through the first portion and the second portion; a fourth portion comprising a filter material; and a wrapper that surrounds the first portion, the second portion, the third portion, wherein the second portion includes the moisturizing agent in an amount of 10 wt % or less based on a total weight of the tobacco material such that heat conductivity in the second portion is improved.
    Type: Grant
    Filed: December 15, 2020
    Date of Patent: October 22, 2024
    Assignee: KT&G CORPORATION
    Inventors: Sung Jong Ki, John Tae Lee, Young Joong Kim, In Su Park, Sun Hwan Jung, Eun Mi Jeoung
  • Patent number: 12070056
    Abstract: Provided herein are an aerosol-generating article having a flavor optimization function and an aerosol generation system including the same. The aerosol-generating article according to some embodiments of the present disclosure includes a filter portion, a medium portion which includes an aerosol-generating substrate and has a downstream end portion connected to an upstream end portion of the filter portion, and a wrapping structure which wraps around at least a portion of the filter portion or the medium portion. Here, the wrapping structure may include a heat conduction member or a heat conduction limiting member to appropriately control thermal energy delivered to the aerosol-generating substrate. Accordingly, the flavor and taste of tobacco smoke of the aerosol-generating article may be improved.
    Type: Grant
    Filed: December 21, 2020
    Date of Patent: August 27, 2024
    Assignee: KT&G CORPORATION
    Inventors: Yong Mi Jung, Sung Hoon Ha, Eun Mi Jeoung, Jun Won Shin, John Tae Lee
  • Patent number: 12070080
    Abstract: An aerosol generating system includes an aerosol generating article and an aerosol generating device, wherein the aerosol generating article includes a tobacco medium portion and an aerosol generator, the tobacco medium portion including a tobacco material and a pH adjuster, and the aerosol generator including an aerosol generating material. The aerosol generating device includes a heater configured to receive power from a battery to heat the aerosol generating material, and a controller configured to control power supply to the heater. When the heater operates in a smokeless mode, an aerosol is not generated from the aerosol generating material, and when the heater operates in a smoke mode, an aerosol is generated from the aerosol generating material.
    Type: Grant
    Filed: March 4, 2021
    Date of Patent: August 27, 2024
    Assignee: KT&G CORPORATION
    Inventors: Young Joong Kim, Sun Hwan Jung, Sung Jong Ki, In Su Park, John Tae Lee, Eun Mi Jeoung
  • Publication number: 20240268447
    Abstract: A method of manufacturing an aerosol generating rod includes providing a sheet of a first non-tobacco material by using at least one first conveying roller; crimping the sheet of the first non-tobacco material by using a first crimping device; applying an aerosol generating material to at least one surface of the sheet of the first non-tobacco material by using a first spray nozzle; applying a liquid containing a tobacco component to at least one surface of the sheet of the first non-tobacco material by using a slit nozzle; drying the sheet of the first non-tobacco material by using a drying device; and forming the aerosol generating rod by forming the sheet of the first non-tobacco material into a rod by using a rod forming device.
    Type: Application
    Filed: April 26, 2024
    Publication date: August 15, 2024
    Applicant: KT&G CORPORATION
    Inventors: Eun Mi JEOUNG, Sung Jong KI, Min Kyu KIM, Young Joong KIM, In Su PARK, John Tae LEE, Sun Hwan JUNG
  • Publication number: 20240260645
    Abstract: A smoking article according to an embodiment of the present disclosure includes: a medium accommodation portion filled with nicotine-containing media; a moisturizer accommodation portion disposed on one side of the medium accommodation portion and comprising an aerosol generating material; and a filter portion disposed on another side of the medium accommodation portion. A length of the moisturizer accommodation portion may be less than a length of the medium accommodation portion, a length of the filter portion may be greater than the length of the medium accommodation portion, and 70% to 100% of the length of the medium accommodation portion may be wrapped with a heater.
    Type: Application
    Filed: February 28, 2023
    Publication date: August 8, 2024
    Applicant: KT&G CORPORATION
    Inventors: Sung Jong KI, Youngjoong KIM, John Tae LEE, Sung Je CHA
  • Publication number: 20240180233
    Abstract: Disclosed is an aerosol-generating article comprising: a first portion including a plurality of crimped pieces of paper impregnated with an aerosol-generating element; a second portion including a tobacco element; a third portion including a cooling element; and a fourth portion including a filter element, wherein the first portion, the second portion, the third portion, and the fourth portion are sequentially arranged along a longitudinal direction of the aerosol-generating article.
    Type: Application
    Filed: January 3, 2022
    Publication date: June 6, 2024
    Applicant: KT&G CORPORATION
    Inventors: Sung Jong KI, Young Joong KIM, John Tae LEE, Sung Je CHA
  • Patent number: 11998038
    Abstract: A method of manufacturing an aerosol generating rod includes providing a sheet of a first non-tobacco material by using at least one first conveying roller; crimping the sheet of the first non-tobacco material by using a first crimping device; applying an aerosol generating material to at least one surface of the sheet of the first non-tobacco material by using a first spray nozzle; applying a liquid containing a tobacco component to at least one surface of the sheet of the first non-tobacco material by using a slit nozzle; drying the sheet of the first non-tobacco material by using a drying device; and forming the aerosol generating rod by forming the sheet of the first non-tobacco material into a rod by using a rod forming device.
    Type: Grant
    Filed: September 16, 2020
    Date of Patent: June 4, 2024
    Assignee: KT&G CORPORATION
    Inventors: Eun Mi Jeoung, Sung Jong Ki, Min Kyu Kim, Young Joong Kim, In Su Park, John Tae Lee, Sun Hwan Jung
  • Patent number: 11980229
    Abstract: An aerosol generating system includes: a cavity configured to accommodate at least a portion of a cigarette; a first induction coil located around the cavity; a second induction coil located around the cavity and connected to the first induction coil in parallel; and a battery configured to supply an alternating current to the first induction coil and the second induction coil, wherein the first induction coil and the second induction coil have different resonant frequencies.
    Type: Grant
    Filed: June 24, 2020
    Date of Patent: May 14, 2024
    Assignee: KT&G CORPORATION
    Inventors: In Su Park, Sung Jong Ki, Young Joong Kim, Jang Won Seo, John Tae Lee, Sun Hwan Jung, Eun Mi Jeoung
  • 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
  • Publication number: 20230292812
    Abstract: According to some embodiments, there may be provided an aerosol-generating article including a tobacco medium section prepared from a mixture including tobacco powder and thermally conductive powder. The mixture may include, based on dry weight, less than 20 wt % of the thermally conductive powder.
    Type: Application
    Filed: July 16, 2021
    Publication date: September 21, 2023
    Applicant: KT&G CORPORATION
    Inventors: Young Joong KIM, Sun Hwan JUNG, Sung Jong KI, Insu PARK, John Tae LEE, Eun Mi JEONG
  • Publication number: 20230099865
    Abstract: A cigarette for an aerosol generating device includes a tobacco rod containing an aerosol generating material; and a cooling rod arranged at one side of the tobacco rod and comprising a hollow extending in a longitudinal direction of the cigarette, wherein a cooling material layer is coated on an inner surface of the cooling rod.
    Type: Application
    Filed: November 27, 2020
    Publication date: March 30, 2023
    Applicant: KT&G CORPORATION
    Inventors: Sung Jong KI, Young Joong KIM, In Su PARK, John Tae LEE, Sun Hwan JUNG, Eun Mi JEOUNG
  • Publication number: 20230077221
    Abstract: An aerosol generating system includes an aerosol generating device including 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 configured to control the first vaporizer and the second vaporizer, and an aerosol generating article accommodated in the aerosol generating device and indirectly heated by heat generated by the first vaporizer and the second vaporizer, wherein the controller is configured to control 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 aerosol generating article is adjusted.
    Type: Application
    Filed: December 15, 2020
    Publication date: March 9, 2023
    Applicant: KT&G CORPORATION
    Inventors: In Su PARK, Sung Jong KI, Young Joong KIM, John Tae LEE, Sun Hwan JUNG, Eun Mi JEOUNG