Patents by Inventor Hyung-Seok Lee

Hyung-Seok 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: 20250127204
    Abstract: A method of manufacturing tobacco granules includes manufacturing ground tobacco by grinding raw tobacco, manufacturing a mixture including the ground tobacco and a solvent, manufacturing tobacco granules by using the mixture, and freeze-drying the tobacco granules.
    Type: Application
    Filed: August 4, 2023
    Publication date: April 24, 2025
    Applicant: KT&G CORPORATION
    Inventors: Min Kyu KIM, Jung Ho KIM, Won Kyeong LEE, Hyung Seok LEE, Heon Jun JEONG
  • Patent number: 12191227
    Abstract: Provided is a heat dissipating substrate including a diamond substrate, wherein an upper portion of the diamond substrate has a concave-convex structure including recessed regions that are spaced apart from each other, and insulation patterns that fill the recessed regions. The insulation patterns include at least one of silicon carbide, silicon nitride, silicon oxide, aluminum nitride, and aluminum oxide.
    Type: Grant
    Filed: November 3, 2021
    Date of Patent: January 7, 2025
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Hyung Seok Lee, Sung-Bum Bae
  • Patent number: 12133557
    Abstract: Disclosed is an aerosol-generating device which includes a power converter for supplying an alternating power to an induction coil, and controls switching elements in the power converter to change an operation mode of a power converter based on a temperature profile such that the power converter operates in a full bridge mode in a preheating section and operates in a half bridge mode in a smoking section.
    Type: Grant
    Filed: April 18, 2024
    Date of Patent: November 5, 2024
    Assignee: KT&G CORPORATION
    Inventors: Jaemin Lee, Sang Kyu Park, Hyung Seok Lee, Soung Ho Ju
  • Patent number: 12127597
    Abstract: Disclosed is an aerosol-generating device which includes a power converter for supplying an alternating power to an induction coil, and controls switching elements in the power converter to change an operation mode of a power converter based on a temperature profile such that the power converter operates in a full bridge mode in a preheating section and operates in a half bridge mode in a smoking section.
    Type: Grant
    Filed: September 6, 2021
    Date of Patent: October 29, 2024
    Assignee: KT&G CORPORATION
    Inventors: Jaemin Lee, Sang Kyu Park, Hyung Seok Lee, Soung Ho Ju
  • Publication number: 20240260671
    Abstract: Disclosed is an aerosol-generating device which includes a power converter for supplying an alternating power to an induction coil, and controls switching elements in the power converter to change an operation mode of a power converter based on a temperature profile such that the power converter operates in a full bridge mode in a preheating section and operates in a half bridge mode in a smoking section.
    Type: Application
    Filed: April 18, 2024
    Publication date: August 8, 2024
    Applicant: KT&G CORPORATION
    Inventors: Jaemin LEE, Sang Kyu PARK, Hyung Seok LEE, Soung Ho JU
  • Publication number: 20240232063
    Abstract: An apparatus for testing a multimedia device includes a database log tracking device that transmits a log of a first terminal and a processor that monitors the log to detect a predetermined event, obtains event execution information at a timing when the event occurs from the first terminal and a second terminal interworking with the first terminal in response to that the event is detected, and compares the event execution information with predetermined reference information to determine operation states of the first and second terminals.
    Type: Application
    Filed: March 29, 2023
    Publication date: July 11, 2024
    Applicants: HYUNDAI MOTOR COMPANY, Kia Corporation
    Inventors: Seong Un KIM, Seung Yeun JANG, Dae Youl KIM, Hyung Seok LEE
  • Publication number: 20240225117
    Abstract: An aerosol generating device includes: a housing; a first printed circuit board arranged to extend along one surface of the housing; and a second printed circuit board arranged in the housing, and on which a processor configured to generate a control signal is mounted, the second printed circuit board extending in a direction crossing a direction in which the one surface of the housing extends.
    Type: Application
    Filed: August 4, 2022
    Publication date: July 11, 2024
    Applicant: KT&G CORPORATION
    Inventors: Won Kyeong LEE, Min Kyu KIM, Jung Ho KIM, Jong Sub LEE, Hyung Seok LEE, Heon Jun JEONG
  • Publication number: 20240219151
    Abstract: Provided are a core material (10) formed in a structure in which a fiber glass (10A) and an aramid (10B) are woven and stacked; an outer cover member (20) formed by attaching high-density polyethylene (20A) and impregnated kraft paper (20B) to an outside of the core material (10); and a non-flammable member (30) formed by attaching an acrylic resin (30A) and a ceramic coating material (30B) to at least one surface of the outer cover member (20). Therefore, it is possible to prevent deterioration of bulletproof power due to detachment and breakage caused by bullets in the event of a gun accident, and to enhance non-flammability and eco-friendliness to expand the internal and external fields of a building, thereby enhancing product competitiveness and increasing usability.
    Type: Application
    Filed: March 13, 2024
    Publication date: July 4, 2024
    Inventors: Hyung Seok LEE, Hun Tae KIM, Hye Young KIM
  • Publication number: 20240172790
    Abstract: According to an embodiment of the present disclosure, a method of controlling an aerosol generating device that generates an aerosol based on ultrasonic vibration of a vibrator of the aerosol generating device is provided. The method includes: operating, based on power of the aerosol generating device being turned on, the aerosol generating device in a preheat mode for preheating the vibrator; operating, based on the preheat mode being completed, the aerosol generating device in a power repetition control mode wherein supplying of power to the vibrator and cutting off supply of the power to the vibrator are alternately repeated; and operating, based on a puff of a user being sensed while operating in the power repetition control mode, the aerosol generating device in a puffing mode wherein power is supplied to the vibrator to generate the aerosol.
    Type: Application
    Filed: April 6, 2022
    Publication date: May 30, 2024
    Applicant: KT&G CORPORATION
    Inventors: Wonkyeong LEE, Min Kyu KIM, Jung Ho KIM, Hyung Seok LEE, Heon Jun JEONG, Byung Sung CHO
  • Publication number: 20240134785
    Abstract: An apparatus for testing a multimedia device includes a database log tracking device that transmits a log of a first terminal and a processor that monitors the log to detect a predetermined event, obtains event execution information at a timing when the event occurs from the first terminal and a second terminal interworking with the first terminal in response to that the event is detected, and compares the event execution information with predetermined reference information to determine operation states of the first and second terminals.
    Type: Application
    Filed: March 28, 2023
    Publication date: April 25, 2024
    Applicants: HYUNDAI MOTOR COMPANY, Kia Corporation
    Inventors: Seong Un KIM, Seung Yeun JANG, Dae Youl KIM, Hyung Seok LEE
  • Patent number: 11937644
    Abstract: Disclosed is an aerosol-generating device which includes a power converter for supplying an alternating power to an induction coil, and controls switching elements in the power converter to change an operation mode of a power converter based on a temperature profile such that the power converter operates in a full bridge mode in a preheating section and operates in a half bridge mode in a smoking section.
    Type: Grant
    Filed: May 4, 2023
    Date of Patent: March 26, 2024
    Assignee: KT&G CORPORATION
    Inventors: Jaemin Lee, Sang Kyu Park, Hyung Seok Lee, Soung Ho Ju
  • Patent number: 11877602
    Abstract: Provided is an aerosol generating device including a heater configured to heat an aerosol generating material; a sensor configured to detect movement of the aerosol generating device; and a controller configured to: count stop time corresponding to a time for which the movement is not detected during an operation time of the heater, and extend the operation time based on the stop time.
    Type: Grant
    Filed: May 8, 2020
    Date of Patent: January 23, 2024
    Assignee: KT&G CORPORATION
    Inventors: Jae Min Lee, Hyung Seok Lee
  • Publication number: 20230354915
    Abstract: Disclosed is an aerosol-generating device which includes a power converter for supplying an alternating power to an induction coil, and controls switching elements in the power converter to change an operation mode of a power converter based on a temperature profile such that the power converter operates in a full bridge mode in a preheating section and operates in a half bridge mode in a smoking section.
    Type: Application
    Filed: September 6, 2021
    Publication date: November 9, 2023
    Applicant: KT&G CORPORATION
    Inventors: Jaemin LEE, Sang Kyu PARK, Hyung Seok LEE, Soung Ho JU
  • Publication number: 20230309624
    Abstract: Disclosed is an aerosol-generating device which includes a power converter for supplying an alternating power to an induction coil, and controls switching elements in the power converter to change an operation mode of a power converter based on a temperature profile such that the power converter operates in a full bridge mode in a preheating section and operates in a half bridge mode in a smoking section.
    Type: Application
    Filed: May 4, 2023
    Publication date: October 5, 2023
    Applicant: KT&G CORPORATION
    Inventors: Jaemin LEE, Sang Kyu PARK, Hyung Seok LEE, Soung Ho JU
  • Publication number: 20230148669
    Abstract: A heater assembly for accommodating and heating an aerosol generating article includes an accommodation space into which the aerosol generating article is inserted, a coil surrounding at least part of the accommodation space and configured to generate an induced magnetic field, and a susceptor disposed in the accommodation space and configured to generate heat according to the induced magnetic field, wherein, in a state in which the aerosol generating article is fully inserted into the accommodation space, a distal end portion of the susceptor is placed upstream of a boundary between the tobacco rod and the filter rod by a preset distance inside the aerosol generating article.
    Type: Application
    Filed: September 7, 2021
    Publication date: May 18, 2023
    Applicant: KT&g CORPORATION
    Inventors: Jae Min LEE, Hyung Seok LEE, Hwi Kyeong AN, Soung Ho JU, Sang Kyu PARK
  • Publication number: 20230095659
    Abstract: Provided is an aerosol generating device including a heater configured to heat an aerosol generating material; a sensor configured to detect movement of the aerosol generating device; and a controller configured to: count stop time corresponding to a time for which the movement is not detected during an operation time of the heater, and extend the operation time based on the stop time.
    Type: Application
    Filed: May 8, 2020
    Publication date: March 30, 2023
    Applicant: KT&G CORPORATION
    Inventors: Jae Min LEE, Hyung Seok LEE
  • Publication number: 20230030049
    Abstract: A graphical user interface (GUI) test case generating device may include a communication device that communicates with a GUI system mounted on a vehicle, and a controller that collects screen information and event information according to a user’s manipulation through the communication device, and generates a GUI test case based on the collected screen information and event information.
    Type: Application
    Filed: February 9, 2022
    Publication date: February 2, 2023
    Applicants: HYUNDAI MOTOR COMPANY, Kia Corporation
    Inventors: Seok Ki HONG, Hyung Seok LEE, Seung Yeun JANG
  • Publication number: 20220189845
    Abstract: Provided is a heat dissipating substrate including a diamond substrate, wherein an upper portion of the diamond substrate has a concave-convex structure including recessed regions that are spaced apart from each other, and insulation patterns that fill the recessed regions. The insulation patterns include at least one of silicon carbide, silicon nitride, silicon oxide, aluminum nitride, and aluminum oxide.
    Type: Application
    Filed: November 3, 2021
    Publication date: June 16, 2022
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hyung Seok Lee, Sung-Bum Bae
  • Patent number: 11304044
    Abstract: Disclosed herein are a Bluetooth connection device and method based on estimation of a relative angle. The Bluetooth connection method based on estimation of a relative angle is performed by a Bluetooth connection device based on estimation of a relative angle, and includes estimating relative angles using relative angle estimation information included in packets received from one or more communication target devices that are scanned for a Bluetooth connection, determining a communication target device with which a communication link is to be established based on the estimated relative angles, and establishing a communication link through a Bluetooth connection to the determined communication target device, and reestablishing the communication link to any one of additional communication target devices, relative angles of which have been estimated, depending on a change in a relative angle to the communication target device with which the communication link has been established.
    Type: Grant
    Filed: August 14, 2020
    Date of Patent: April 12, 2022
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jae-Ho Lee, Do-Hyung Kim, Jin-Kyeong Kim, Cheol Ryu, Hyung-Seok Lee
  • Publication number: 20210338019
    Abstract: A reusable towel dispenser includes a reusable towel holding compartment including multiple reusable towels stored in a non-structured manner. The dispenser also includes a reusable towel output of the reusable towel holding compartment, the reusable towel output being configured to enable a reusable towel of a group of non-structured reusable towels to be accessed and pulled, from the reusable towel holding compartment, out of the reusable towel dispenser. The dispenser further includes a reusable towel input of the reusable towel holding compartment, the reusable towel input being configured to allow a group of non-structured reusable towels to be concurrently loaded in the reusable towel holding compartment.
    Type: Application
    Filed: July 15, 2021
    Publication date: November 4, 2021
    Inventors: Steven Krengel, Hyung Seok Lee, Marianne Grisdale, James Dangora