Patents by Inventor Hyung Ju Lee

Hyung Ju 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: 20250145296
    Abstract: A foldable chair includes a first frame; a second frame disposed in parallel with the first frame; a connection portion configured to movably connect the first frame and the second frame and change in length based on movement between the first frame and the second frame; a seat accommodation portion disposed on one of the first frame or the second frame; and a seat portion. In particular, at least a portion of the seat portion is accommodated in the seat accommodation portion, and the seat portion is configured to be drawn out from the seat accommodation portion and detachably fastened to the other of the first frame or the second frame.
    Type: Application
    Filed: April 29, 2024
    Publication date: May 8, 2025
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, HYUNDAI TRANSYS INC.
    Inventors: Suk Won Hong, Ga Be Nam, Mu Young Kim, Jong Seok Han, Gil Ju Kim, Sang Man Seo, Hyun Ji Lee, Hyung Rae Kim, Jeong Yong Yoo, Gyung Do Park, Dong Hwan Kim
  • Patent number: 12240836
    Abstract: Provided herein are novel compounds, e.g., those of Formula (I), as GCN2 inhibitors. Also provided are pharmaceutical compositions including one or more of the novel compounds, and pharmaceutical uses thereof. Compounds provided herein can typically inhibit an activity of a GCN2 and thus can be used for treating or preventing diseases related thereto.
    Type: Grant
    Filed: July 5, 2022
    Date of Patent: March 4, 2025
    Assignee: Dong-A ST Co., Ltd.
    Inventors: Cheonhyoung Park, Kimoon Ryu, Tae-Hun Kim, Ha Yoon Kim, Eunhye Ju, Hyung Ki Lee, Youngjee Jeong, Doyoung Choi, Jun Hwan Moon, Nayeon Park, Iksoo Jang, Kyu Hwan Kim, Hyangsoo Lee, Min Jung Lee
  • Publication number: 20250042466
    Abstract: Provided is an apparatus for controlling a road wheel actuator (RWA) system, the apparatus including a sensor module configured to detect sensing data of at least one of a steering angle, rack position information, angular velocity of a steering wheel, and column torque, and a processor configured to perform a Proportional Integral Differential (PID) control logic based on the sensing data detected by the sensor module and the RWA position information fed back from the RWA system.
    Type: Application
    Filed: April 4, 2024
    Publication date: February 6, 2025
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventors: Young Hwan DO, Jeong Min LEE, Hyung Ju KWON, Hee Kyu LIM, Hyun Su KIM, Eui Nam JEONG, In Hyuk KIM
  • Patent number: 12209988
    Abstract: Disclosed is a sensor and a method of manufacturing the same. The method includes forming a plurality of electrodes on a substrate and forming a sensor layer on the substrate between the plurality of electrodes. The forming of the sensor layer includes coating a nanoparticle layer, providing deionized water on the nanoparticle layer to form a spontaneous transition layer, and annealing the spontaneous transition layer to form the sensor layer.
    Type: Grant
    Filed: December 30, 2021
    Date of Patent: January 28, 2025
    Assignees: Electronics and Telecommunications Research Institute, Pusan National University Industry-University Cooperation
    Inventors: Hyung Ju Park, A Hyeon Ma, Ki Min Nam, Dae-Sik Lee
  • Patent number: 12203402
    Abstract: The present invention provides method and apparatus for purifying exhaust gas of a vessel and a vessel including the same, in which a risk for a vessel and crew of being exposed to ammonia gas used to collect carbon dioxide included in exhaust gas emitted from a vessel may be minimized and an ammonia solution may be recycled and reused to collect carbon dioxide, in order to satisfy regulations on discharge of exhaust gas by the IMO. Also, the present invention provides an apparatus 1000 for purifying exhaust gas of a vessel and a method of purifying exhaust gas of a vessel using the same, in which carbon dioxide and sulfur dioxide included in exhaust gas emitted from a vessel may be collected by using a reaction solution and may be changed into a substance that does not affect the environment so as to be stored and transported to land.
    Type: Grant
    Filed: December 21, 2021
    Date of Patent: January 21, 2025
    Assignees: HANWHA OCEAN CO., LTD., HI AIR KOREA
    Inventors: Keun Bae Kim, Gwang Hyun Lee, Hyung Ju Roh, Min Woo Lee, Won Kyeong Son, Byung Tak Nam, So Young Choi, Seung Min Jeon
  • Publication number: 20240006099
    Abstract: Disclosed are a rare-earth permanent magnet having improved magnetic properties and a method of manufacturing the same. A method of manufacturing a rare-earth permanent magnet may include: preparing a mixed powder including i) a first alloy represented by R1aR2bBcMdFebal and ii) a second alloy represented by R2bBcMdFebal where R1 is one or two or more of La, Ce, and Y; R2 is a rare-earth element except for La, Ce, and Y; and M is a metal element; press-forming and sintering the prepared mixed powder in a magnetic field to prepare a sintered body; and performing a heat treatment based on diffusion temperature conditions of an R1 component and an R2 component contained in the prepared sintered body.
    Type: Application
    Filed: September 22, 2023
    Publication date: January 4, 2024
    Inventors: Do Hoon KIM, Hyung Ju Lee, Jae Hyuk Jang, Young Beom Kim, Dong Hwan Kim, Koon Seung Kong
  • Publication number: 20230367200
    Abstract: A blank mask includes a light-transmitting substrate; and a light-shielding film on the light-transmitting substrate. The light-shielding film includes a transition metal and oxygen, and a scum formation time required to generate scum is 120 minutes or more when light with a wavelength of 172 nm and an intensity of 10 kJ/cm2 is applied on the light-shielding film.
    Type: Application
    Filed: May 5, 2023
    Publication date: November 16, 2023
    Applicant: SK enpulse Co., Ltd.
    Inventors: Seong Yoon KIM, Sung Hoon SON, Min Gyo JEONG, Inkyun SHIN, Suk Young CHOI, Hyung-ju LEE, Suhyeon KIM
  • Patent number: 11682506
    Abstract: Disclosed are a rare-earth permanent magnet having improved magnetic properties and a method of manufacturing the same. A method of manufacturing a rare-earth permanent magnet may include: preparing a mixed powder including i) a first alloy represented by R1aR2bBcMdFebal and ii) a second alloy represented by R2bBcMdFebal where R1 is one or two or more of La, Ce, and Y; R2 is a rare-earth element except for La, Ce, and Y; and M is a metal element; press-forming and sintering the prepared mixed powder in a magnetic field to prepare a sintered body; and performing a heat treatment based on diffusion temperature conditions of an R1 component and an R2 component contained in the prepared sintered body.
    Type: Grant
    Filed: November 18, 2020
    Date of Patent: June 20, 2023
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Star Group Ind. Co. Ltd.
    Inventors: Do Hoon Kim, Hyung Ju Lee, Jae Hyuk Jang, Young Beom Kim, Dong Hwan Kim, Koon Seung Kong
  • Publication number: 20210319935
    Abstract: Disclosed are a rare-earth permanent magnet having improved magnetic properties and a method of manufacturing the same. A method of manufacturing a rare-earth permanent magnet may include: preparing a mixed powder including i) a first alloy represented by R1aR2bBcMdFebal and ii) a second alloy represented by R2bBcMdFebal where R1 is one or two or more of La, Ce, and Y; R2 is a rare-earth element except for La, Ce, and Y; and M is a metal element; press-forming and sintering the prepared mixed powder in a magnetic field to prepare a sintered body; and performing a heat treatment based on diffusion temperature conditions of an R1 component and an R2 component contained in the prepared sintered body.
    Type: Application
    Filed: November 18, 2020
    Publication date: October 14, 2021
    Inventors: Do Hoon Kim, Hyung Ju Lee, Jae Hyuk Jang, Young Beom Kim, Dong Hwan Kim, Koon Seung Kong
  • Patent number: 11049995
    Abstract: A long-wavelength light emitting device is disclosed. The long-wavelength light emitting device comprises: a first conductive semi-conductor layer; an active layer that is located on the first conductive semi-conductor layer and that has a quantum well structure; and a second conductive semi-conductor layer that is located on the active layer. The active layer comprises: one or more well layers including a nitride-based semi-conductor having 21% or more In; two barrier layers located in upper and lower parts of the well layers, and located between the well layers and the barrier layers, wherein the upper capping layers have a bigger band-gap energy relative to the barrier layers, and the upper capping layers and the well layers are in contact.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: June 29, 2021
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Hong Jae Yoo, Hyo Shik Choi, Hyung Ju Lee
  • Patent number: 10886062
    Abstract: Disclosed is a method for preparing a rare-earth permanent magnet. The method includes: preparing an R-T-B-based sintered magnet; applying a first mixture including a light rare-earth element onto the surface of the R-T-B-based sintered magnet and diffusing the first mixture under a vacuum atmosphere to prepare a light rare-earth permanent magnet having the light rare-earth element diffused into a grain boundary; and applying a second mixture including a heavy rare-earth element onto the surface of the light rare-earth permanent magnet and diffusing the second mixture into the grain-boundary under a vacuum atmosphere to prepare a rare-earth permanent magnet.
    Type: Grant
    Filed: September 4, 2018
    Date of Patent: January 5, 2021
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventor: Hyung Ju Lee
  • Patent number: 10714246
    Abstract: A method for manufacturing a rare earth permanent magnet includes manufacturing an NdFeB sintered magnet. A grain boundary diffusion material in the form of a mixed powder comprising an alloy powder containing Re1aMb or M; and Re2 hydride or Re2 fluoride is disposed on a surface of the NdFeB sintered magnet. The grain boundary diffusion material is heated to diffuse at least one of Re1, Re2 and M into a grain boundary part inside the sintered magnet or a grain boundary part region of a sintered magnet main phase grain. Re1 and Re2 are each rare earth elements selected from the group consisting of dysprosium, terbium, neodymium, praseodymium, and holmium, M is a metal compound consisting of copper, zinc, tin, and aluminum, 0.1<a<99.9, and a+b=100.
    Type: Grant
    Filed: October 19, 2015
    Date of Patent: July 14, 2020
    Assignee: Hyundai Motor Company
    Inventors: Jae-Ryung Lee, Kun-Min Park, Hyung-Ju Lee, Yeon-Jun Jung
  • Publication number: 20190296187
    Abstract: A long-wavelength light emitting device is disclosed. The long-wavelength light emitting device comprises: a first conductive semi-conductor layer; an active layer that is located on the first conductive semi-conductor layer and that has a quantum well structure; and a second conductive semi-conductor layer that is located on the active layer. The active layer comprises: one or more well layers including a nitride-based semi-conductor having 21% or more In; two barrier layers located in upper and lower parts of the well layers, and located between the well layers and the barrier layers, wherein the upper capping layers have a bigger band-gap energy relative to the barrier layers, and the upper capping layers and the well layers are in contact.
    Type: Application
    Filed: May 23, 2017
    Publication date: September 26, 2019
    Inventors: Hong Jae YOO, Hyo Shik CHOI, Hyung Ju LEE
  • Patent number: 10421223
    Abstract: A method for manufacturing a permanent magnet includes preparing a plurality of permanent magnet blocks having the same size, spacing and arranging the plurality of permanent magnet blocks in a lower mold Having an opened upper side, pressing a side of the lower mold while circulating adhesive in the lower mold and integrating the plurality of permanent magnet blocks such that the adhesive is evenly applied to surface of each of the permanent magnet blocks, thereby forming a permanent magnet assembly and hardening the adhesive by heating the permanent magnet assembly.
    Type: Grant
    Filed: June 7, 2016
    Date of Patent: September 24, 2019
    Assignee: HYUNDAI MOTOR COMPANY
    Inventors: Jae Ryung Lee, Hyung Ju Lee, Kun Min Park
  • Patent number: 10407064
    Abstract: A method for controlling driving of an SSC-cruise system is provided. The method includes determining whether a cruising function is operated and receiving a target vehicle speed set by the driver and deriving a first offset vehicle speed from the target vehicle speed, when the cruising function is operated. Additionally, the method includes determining whether a second offset vehicle speed is set by the driver and entering the vehicle into SSC in a driving section between the target vehicle speed and the second offset vehicle speed, in response to determining that the second offset vehicle speed is set.
    Type: Grant
    Filed: November 23, 2016
    Date of Patent: September 10, 2019
    Assignee: Hyundai Motor Company
    Inventors: Hyung-Ju Lee, Kyong-Duck Park
  • Patent number: 10363932
    Abstract: A method for controlling an SSC-SCC system for increasing a SSC distance using SCC is provided. The method includes determining whether a vehicle in operation satisfies a preset SSC entry condition and entering the SSC mode or maintaining the SSC entry state when the vehicle satisfies the preset SSC entry condition. A distance from a preceding vehicle is measured after the entering of the SSC mode or the maintaining of the SSC entry state. Additionally, the method includes determining whether the measured distance is equal to or less than a preset reference distance and performing SCC braking in response to determining that the measured distance is equal to or less than the preset reference distance.
    Type: Grant
    Filed: November 28, 2016
    Date of Patent: July 30, 2019
    Assignee: Hyundai Motor Company
    Inventors: Hyung-Ju Lee, Jae-Bok Choi
  • Publication number: 20190172637
    Abstract: Disclosed is a method for preparing a rare-earth permanent magnet. The method includes: preparing an R-T-B-based sintered magnet; applying a first mixture including a light rare-earth element onto the surface of the R-T-B-based sintered magnet and diffusing the first mixture under a vacuum atmosphere to prepare a light rare-earth permanent magnet having the light rare-earth element diffused into a grain boundary; and applying a second mixture including a heavy rare-earth element onto the surface of the light rare-earth permanent magnet and diffusing the second mixture into the grain-boundary under a vacuum atmosphere to prepare a rare-earth permanent magnet.
    Type: Application
    Filed: September 4, 2018
    Publication date: June 6, 2019
    Inventor: Hyung Ju Lee
  • Patent number: 9920731
    Abstract: A method for restart when Start-Stop Coasting (SSC) is released may include: determining whether a traveling vehicle satisfies a condition for releasing SSC after entry into SSC (S100); determining whether emergency startup of the vehicle is required (S200) when the traveling vehicle satisfies the condition for releasing SSC after entry into SSC; and performing a first startup process (S300) in which a clutch (420) is engaged along with an operation of a starter motor (430) when the emergency startup of the vehicle is required.
    Type: Grant
    Filed: December 1, 2015
    Date of Patent: March 20, 2018
    Assignee: HYUNDAI MOTOR COMPANY
    Inventors: Hyung-Ju Lee, Kyu-Jin Jo, Jae-Woong Yoo
  • Patent number: 9805850
    Abstract: A NdFeB permanent magnet is provided and includes Nd of about 25 to 30 wt %, Dy of about 0.5 to 6 wt %, Tb of about 0.2 to 2 wt %, Cu of about 0.1 to 0.5 wt %, B of about 0.8 to 2 wt %, a balance of Fe and other inevitable impurities. In addition, a method for producing the permanent magnet is provided.
    Type: Grant
    Filed: July 16, 2014
    Date of Patent: October 31, 2017
    Assignee: Hyundai Motor Company
    Inventors: Kun Min Park, Jae Ryung Lee, Shin Gyu Kim, Hyung Ju Lee
  • Publication number: 20170274900
    Abstract: A method for controlling an SSC-SCC system for increasing a SSC distance using SCC is provided. The method includes determining whether a vehicle in operation satisfies a preset SSC entry condition and entering the SSC mode or maintaining the SSC entry state when the vehicle satisfies the preset SSC entry condition. A distance from a preceding vehicle is measured after the entering of the SSC mode or the maintaining of the SSC entry state. Additionally, the method includes determining whether the measured distance is equal to or less than a preset reference distance and performing SCC braking in response to determining that the measured distance is equal to or less than the preset reference distance.
    Type: Application
    Filed: November 28, 2016
    Publication date: September 28, 2017
    Inventors: Hyung-Ju Lee, Jae-Bok Choi