Patents by Inventor Dae Sub LEE

Dae 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: 11980225
    Abstract: A cartridge for mounting on a main body of an aerosol generating device includes: a liquid storage extending in a longitudinal direction of the cartridge to form an outer wall of the cartridge, the liquid storage including a space accommodating a liquid composition therein; a heater that heats the liquid composition accommodated in the liquid storage to generate an aerosol; and a coupling protrusion including an elastic material, the coupling protrusion protruding from an outer surface of the liquid storage and coupling the main body to the cartridge.
    Type: Grant
    Filed: April 8, 2020
    Date of Patent: May 14, 2024
    Assignee: KT&G CORPORATION
    Inventors: Sung Wook Yoon, Jae Min Lee, Jong Sub Lee, Dae Nam Han, Dong Bum Kwon, Jin Soo Seong, Won Kyeong Lee
  • Publication number: 20240150504
    Abstract: The present disclosure relates to a method of preparing a polymer, which includes: adding an alkyl-substituted aromatic vinyl-based monomer and a vinyl cyanide-based monomer to a reactor and initiating polymerization; and performing polymerization while continuously adding an alkyl-substituted aromatic vinyl-based monomer and a multifunctional initiator to the reactor, wherein the continuous addition of the alkyl-substituted aromatic vinyl-based monomer and the multifunctional initiator is initiated when a polymerization conversion rate is 10 to 30%, and the continuous addition of the alkyl-substituted aromatic vinyl-based monomer and the multifunctional initiator is terminated when a polymerization conversion rate is 70 to 80%.
    Type: Application
    Filed: January 17, 2023
    Publication date: May 9, 2024
    Applicant: LG CHEM, LTD.
    Inventors: Sung Won HONG, Hyung Sub LEE, Dae Woo LEE, Woo Ri KIM, Min Cheol JU, Min Seung SHIN, In Soo KIM
  • 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: 11957141
    Abstract: An apparatus and method for manufacturing a grilled seaweed includes the apparatus comprising a grilling unit having a first housing with a first inlet opening and a first outlet opening which communicate with each other; a first conveyor for transferring a sheet of seaweed from the first inlet opening to the first outlet opening; a first heating source installed over the first conveyor to discharge a flame onto a top surface of the seaweed being transferred by the first conveyor; and a second heating source installed on both sides of a lower portion of the first conveyor to apply a flame onto a bottom surface of the seaweed being transferred by the first conveyor.
    Type: Grant
    Filed: July 18, 2017
    Date of Patent: April 16, 2024
    Assignees: CJ CHEILJEDANG CORPORATION, CJ SEAFOOD CORPORATION
    Inventors: Joo Dong Park, Chang Yong Lee, Eun Soo Kwak, Dae Ik Kang, Tae Hyeong Kim, Young Sub Choi
  • 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: 10641794
    Abstract: Disclosed is a probe bonding device and method. The probe bonding device includes, a second gripper configured to move the probe to a bonding position on the substrate, a laser unit configured to emit a laser beam, a fourth vision device configured to check whether the probe gripped by the second gripper; and a controller configured to control the second gripper and the fourth vision device, wherein the controller controls the fourth vision device to photograph one end of the probe a plurality of numbers of times while sequentially adjusting a height of at least one of the second gripper and the fourth vision device at a predetermined interval to acquire information on a height of the probe based on a plurality of captured images, thereby bonding the probe to an accurate position to enhance bonding quality of the probe and quality of a probe card.
    Type: Grant
    Filed: August 10, 2016
    Date of Patent: May 5, 2020
    Assignee: DAWON NEXVIEW CO., LTD.
    Inventors: G Jung Nam, Kang San Lee, Dae Sub Lee, Min Su Yang
  • Publication number: 20180210011
    Abstract: Disclosed is a probe bonding device and method. The probe bonding device includes, a second gripper configured to move the probe to a bonding position on the substrate, a laser unit configured to emit a laser beam, a fourth vision device configured to check whether the probe gripped by the second gripper; and a controller configured to control the second gripper and the fourth vision device, wherein the controller controls the fourth vision device to photograph one end of the probe a plurality of numbers of times while sequentially adjusting a height of at least one of the second gripper and the fourth vision device at a predetermined interval to acquire information on a height of the probe based on a plurality of captured images, thereby bonding the probe to an accurate position to enhance bonding quality of the probe and quality of a probe card.
    Type: Application
    Filed: August 10, 2016
    Publication date: July 26, 2018
    Applicant: DAWON NEXVIEW CO.,LTD.
    Inventors: G Jung NAM, Kang San LEE, Dae Sub LEE, Min Su YANG