Patents by Inventor Jong-Sub Lee

Jong-Sub 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).

  • 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: 11964925
    Abstract: Provided is a method for preparing an oligomer including: supplying a monomer stream and a solvent stream to a reactor to perform an oligomerization reaction to prepare a reaction product; supplying a discharge stream from the reactor including the reaction product to a separation device and supplying a lower discharge stream from the separation device to a settling tank; adding an organic flocculant to the settling tank to settle and remove a polymer and supplying the lower discharge stream from the separation device from which the polymer is removed to a high boiling point separation column; and removing a high boiling point material from the lower portion in the high boiling point separation column and supplying an upper discharge stream including an oligomer to a solvent separation column.
    Type: Grant
    Filed: January 10, 2022
    Date of Patent: April 23, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Kyung Seog Youk, Jong Hun Song, Min Ho Sun, Hong Min Lee, Hyun Seok Kim, Moon Sub Hwang, Jeong Seok 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: 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: 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: 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
  • Patent number: 11937631
    Abstract: An aerosol generation device includes a first housing including an inner accommodating space and an opening exposing the inner accommodating space to an outside of the first housing; a second housing including an inner space and coupled to the first housing with a fastening portion; a battery inserted into the inner space of the second housing and having a part exposed to an outside of the second housing; a case into which the second housing is inserted, the case covering at least one of the first housing or the second housing; and a cap coupled to the first housing and covering the first housing, wherein the case covers the part of the battery exposed to the outside of the second housing.
    Type: Grant
    Filed: November 24, 2021
    Date of Patent: March 26, 2024
    Assignee: KT&G CORPORATION
    Inventors: Jong Sub Lee, In Seoung Chun, Sung Rok Oh
  • Patent number: 11938457
    Abstract: The present disclosure relates to an apparatus for preparing an oligomer, the apparatus including: a reactor for oligomerizing a feed stream containing a fed monomer; a stirrer inserted into a hole formed in an upper portion of the reactor; and a solvent transfer line extending inward from a side of the reactor, wherein the stirrer includes a rotating shaft vertically extending downward from the upper portion of the reactor, and a blade having a conical shape whose vertex is positioned at a lower end of the rotating shaft and outer diameter increases from a bottom toward a top, and the solvent transfer line has a plurality of spray nozzles formed in a direction toward the blade.
    Type: Grant
    Filed: November 13, 2020
    Date of Patent: March 26, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Hong Min Lee, Jeong Seok Lee, Jong Hun Song, Kyung Seog Youk, Dong Kwon Lee, Moon Sub Hwang
  • Patent number: 11939278
    Abstract: Provided is a method of producing an oligomer, the method including: supplying a monomer stream and a solvent stream to a reactor to perform an oligomerization reaction to produce a reaction product; supplying a discharge stream of the reactor to a separation device, and supplying an upper discharge stream of the separation device including an unreacted monomer to the reactor and supplying a lower discharge stream of the separation device to a settling tank; settling a polymer in the settling tank and removing the polymer, and supplying the lower discharge stream of the separation device from which the polymer is removed to a high-boiling point separation column; removing a high-boiling point material from a lower discharge stream of the high-boiling point separation column and supplying an upper discharge stream of the high-boiling point separation column including an oligomer to a solvent separation column; and separating a solvent and the oligomer in the solvent separation column.
    Type: Grant
    Filed: September 6, 2021
    Date of Patent: March 26, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Kyung Seog Youk, Min Ho Sun, Jong Hun Song, Hong Min Lee, Moon Sub Hwang, Jeong Seok Lee
  • Patent number: 11925209
    Abstract: There is provided an aerosol generating device including: an aerosol generating material delivery element configured to absorb an aerosol generating material stored in the cartridge; a heating element configured to heat the aerosol generating material; a support that includes a through-hole and accommodates the heating element and the aerosol generating material delivery element such that an end of the heating element passes through the through-hole and is exposed to an outside of the support; and a connector comprising a terminal providing power, and coupled to the support such that the end of the heating element contacts the terminal.
    Type: Grant
    Filed: April 28, 2020
    Date of Patent: March 12, 2024
    Assignee: KT&G CORPORATION
    Inventors: Jong Sub Lee, Kyung Moon Ji
  • Patent number: 11883584
    Abstract: According to some embodiments, there is disclosed an aerosol generating device which includes: a main body including a controller and a battery; and a cartridge detachably coupled to the main body, wherein the controller periodically detects whether the cartridge is coupled to the main body while the aerosol generating device operates in a first mode, determines whether a preset period of time has elapsed based on the cartridge being determined to have been separated from the main body, and switches the aerosol generating device from the first mode to a second mode based on whether the cartridge is coupled to the main body before the preset period of time elapses.
    Type: Grant
    Filed: April 17, 2020
    Date of Patent: January 30, 2024
    Assignee: KT&G CORPORATION
    Inventors: Byung Sung Cho, Won Kyeong Lee, Jong Sub Lee, Dae Nam Han
  • Patent number: 11882876
    Abstract: A cartridge includes a storage configured to store an aerosol generating material; a heater configured to heat the aerosol generating material to generate aerosol; and at least one terminal configured to transfer power from an external battery to the heater and comprising a conductive structure surrounding a wire connected to the heater, wherein the conductive structure takes a compressed form in which the wire is in contact with the conductive structure.
    Type: Grant
    Filed: May 7, 2020
    Date of Patent: January 30, 2024
    Assignee: KT&G CORPORATION
    Inventors: Jong Sub Lee, Won Kyeong Lee, Dae Nam Han, Jin Soo Seong, Sung Wook Yoon, Jae Min Lee
  • Patent number: 11882870
    Abstract: Provided is an aerosol generating system including a holder configured to generate aerosol by heating a cigarette; and a cradle including an inner space into which the holder is inserted. The holder is configured to be tiltable with respect the cradle. The holder is inserted into the inner space of the cradle and then tilted to generate the aerosol.
    Type: Grant
    Filed: December 1, 2021
    Date of Patent: January 30, 2024
    Assignee: KT&G CORPORATION
    Inventors: Jung Ho Han, Jang Uk Lee, Hun Il Lim, Jong Sub Lee, Dae Nam Han, Jin Young Yoon, Young Lea Kim, Ji Soo Jang, Wang Seop Lim, Moon Bong Lee, Soung Ho Ju, Du Jin Park, Seong Won Yoon
  • Patent number: 11871787
    Abstract: According to an exemplary embodiment, provided is an aerosol generation apparatus including: a liquid cartridge comprising a storage unit configured to store an aerosol-generating substrate which is liquid-type and an atomizer configured to generate aerosol by heating the aerosol-generating substrate; a mouth tip located at one end of the aerosol generation apparatus and comprising a filter unit configured to adsorb at least one material included in the generated aerosol; and an aerosol heating unit configured to heat the generated aerosol when the generated aerosol is inhaled by a user through the mouth tip.
    Type: Grant
    Filed: April 9, 2018
    Date of Patent: January 16, 2024
    Assignee: KT&G CORPORATION
    Inventors: Jung Ho Han, Jang Uk Lee, Hun II Lim, Jong Sub Lee, Dae Nam Han, Jin Young Yoon, Young Lea Kim, Ji Soo Jang, Wang Seop Lim, Moon Bong Lee, Soung Ho Ju, Du Jin Park, Seong Won Yoon
  • Patent number: 11871781
    Abstract: Provided is an aerosol generating system including a holder configured to generate aerosol by heating a cigarette; and a cradle including an inner space into which the holder is inserted. The holder is configured to be tiltable with respect the cradle. The holder is inserted into the inner space of the cradle and then tilted to generate the aerosol.
    Type: Grant
    Filed: December 1, 2021
    Date of Patent: January 16, 2024
    Assignee: KT&G CORPORATION
    Inventors: Jung Ho Han, Jang Uk Lee, Hun Il Lim, Jong Sub Lee, Dae Nam Han, Jin Young Yoon, Young Lea Kim, Ji Soo Jang, Wang Seop Lim, Moon Bong Lee, Soung Ho Ju, Du Jin Park, Seong Won Yoon
  • Patent number: 11856978
    Abstract: An aerosol-generating article may be fabricated in the form of a bead. For example, the aerosol-generating article may be fabricated in the form of a sphere having a predetermined diameter. Alternatively, the aerosol-generating article may be fabricated in an oval shape, a droplet shape, etc. Also, the aerosol-generating article may be fabricated in various sizes.
    Type: Grant
    Filed: January 3, 2019
    Date of Patent: January 2, 2024
    Assignee: KT&G CORPORATION
    Inventors: Min Kyu Kim, Sung Jong Ki, Han Joo Chung, Yong Sook Jin, Dae Nam Han, Jung Ho Han, Tae Hun Kim, Sang Kyu Park, Hwi Kyeong An, Jae Min Lee, Jong Sub Lee, Hun Il Lim
  • Patent number: 11849762
    Abstract: An electronic cigarette control device includes: a communicator configured to establish a communication connection with at least one device; and a processor configured to control an electronic cigarette according to a control message with respect to the electronic cigarette, the control message being received from the at least one device through the established communication connection.
    Type: Grant
    Filed: August 9, 2018
    Date of Patent: December 26, 2023
    Assignee: KT&G CORPORATION
    Inventors: Jong Sub Lee, Dae Nam Han, Jung Ho Han, Hun Ii Lim, Jang Uk Lee, Jin Young Yoon, Young Lea Kim, Ji Soo Jang, Wang Seop Lim, Moon Bong Lee, Soung Ho Ju, Du Jin Park, Seong Won Yoon
  • Patent number: 11832648
    Abstract: A cartridge for an aerosol generating device includes a cartridge for an aerosol generating device includes a liquid storage provided with a space storing a liquid composition that is atomized by a heater to generate an aerosol and including an open end portion of one side sealed by a sealing means to prevent leakage of the liquid composition stored in the space; a mouthpiece coupled in a direction covering the open end portion of the liquid storage and including a discharge hole through which the aerosol generated from the liquid composition stored in the liquid storage is discharged to an outside; and a flavor capsule provided in a space between the open end portion of the one side of the liquid storage hidden by coupling of the liquid storage and the mouthpiece and the sealing means and crushed due to pressure from a user to discharge a flavoring agent.
    Type: Grant
    Filed: May 14, 2020
    Date of Patent: December 5, 2023
    Assignee: KT&G CORPORATION
    Inventors: Jong Sub Lee, Dong Bum Kwon, Jin Soo Seong, Jae Min Lee
  • Patent number: 11825013
    Abstract: An apparatus and method are provided. The method includes reproducing, by a portable phone, multimedia content via an external output device while the portable phone is coupled with the external output device, determining whether the portable phone is decoupled from the external output device, and terminating the reproducing of the multimedia content based at least in part on a determination that the portable phone is decoupled from the external output device.
    Type: Grant
    Filed: September 29, 2021
    Date of Patent: November 21, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong-Sub Lee, Kyoung-Ae Lim, Kyoung-Shin Lee, Seung-Chul Choi
  • Patent number: 11812786
    Abstract: An electronic cigarette control device includes: a communicator configured to establish a communication connection with at least one device; and a processor configured to control an electronic cigarette according to a control message with respect to the electronic cigarette, the control message being received from the at least one device through the established communication connection.
    Type: Grant
    Filed: August 9, 2018
    Date of Patent: November 14, 2023
    Assignee: KT&G CORPORATION
    Inventors: Jong Sub Lee, Dae Nam Han, Jung Ho Han, Hun Ii Lim, Jang Uk Lee, Jin Young Yoon, Young Lea Kim, Ji Soo Jang, Wang Seop Lim, Moon Bong Lee, Soung Ho Ju, Du Jin Park, Seong Won Yoon