Patents by Inventor Ryong Choi

Ryong Choi 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: 11469038
    Abstract: A coil electronic component includes a magnetic body in which internal coil parts are embedded, and a metal shielding sheet disposed on at least one of an upper portion and a lower portion of the magnetic body in a thickness direction, in which permeability of the metal shielding sheet is 100 times or higher than permeability of magnetic metal powder contained in the magnetic body.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: October 11, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kang Ryong Choi, Il Jin Park, Jung Wook Seo, Jong Ok Jeon, Won Sik Chong, Woo Jin Lee, Jung Young Cho
  • Publication number: 20220306063
    Abstract: A redundant control system is applied to a brake-by-wire (BBW) system. The redundant control system applied to the BBW system includes electromechanical brakes (EMBs) provided at wheels of a vehicle and configured to perform brake control of the vehicle, controllers connected to the EMBs, respectively, and a local gateway on a first communication line configured to receive information on the vehicle and a command of a driver and to transmit the information on the vehicle and the command of the driver to the controllers, where the controllers are configured to receive the information on the vehicle and the command of the driver through a second communication line.
    Type: Application
    Filed: February 22, 2022
    Publication date: September 29, 2022
    Inventors: Hae Ryong Choi, Dong Yoon Hyun
  • Patent number: 11384191
    Abstract: A block copolymer and a use thereof are disclosed herein. The block copolymer of the present application may have excellent self-assembly properties or phase separation characteristics and simultaneously have characteristics capable of changing the self-assembly structure formed once, or provide a block copolymer capable of forming a pattern of phase separation structures in a polymer membrane.
    Type: Grant
    Filed: January 23, 2019
    Date of Patent: July 12, 2022
    Inventors: No Jin Park, Jin Kon Kim, Chung Ryong Choi, Sung Soo Yoon
  • Publication number: 20220194321
    Abstract: A device, and a corresponding method, for controlling a wiper of a vehicle may include: a storage that stores a reference table, wherein each wiper operation mode corresponding to each rainfall and each sensitivity level is recorded in the reference table; a rain sensor that measures the rainfall; a wiper switch that receives a wiper operation mode and a sensitivity level input from a driver; and a controller that detects a wiper manipulation pattern of the driver based on the measured rainfall and that changes the reference table to a driver-customized-table based on the wiper manipulation pattern of the driver.
    Type: Application
    Filed: July 12, 2021
    Publication date: June 23, 2022
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventor: Jae Ryong Choi
  • Publication number: 20220194350
    Abstract: An automated braking test system may include a test request input unit of an automated braking test request, an automated test controller electrically connected to the test request input unit and configured to generate an automated test signal for evaluating braking performance of a vehicle according to the automated braking test request received from the test request input unit, and a braking controller electrically connected to the automated test controller and configured to control braking of a vehicle based on the automated test signal or a braking request signal from a pedal sensor electrically connected to the automated test controller.
    Type: Application
    Filed: September 3, 2021
    Publication date: June 23, 2022
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Hae Ryong CHOI, Dong Yoon HYUN
  • Patent number: 11367558
    Abstract: A magnetic composition includes first, second, and third magnetic metal particles. The first magnetic metal particles have an average particle size of 10 ?m to 28 ?m; the second magnetic metal particles have an average particle size of 1 ?m to 4.5 ?m; and the third magnetic metal particles include insulating layers disposed on surfaces thereof and have a particle size of 300 nm or less. Therefore, eddy current loss of an inductor having a body formed of the magnetic composition may be improved, and high efficiency and inductance of the inductor may be secured.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: June 21, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Se Hyung Lee, Je Ik Moon, Jung Wook Seo, Jun Sung Lee, Woo Jin Lee, Kang Ryong Choi, Il Jin Park, Gwang Hwan Hwang
  • Publication number: 20220185293
    Abstract: According to the method of estimating a maximum road friction coefficient, artificial braking or driving-related control is conducted and a maximum road friction coefficient is estimated based on a difference in wheel speeds between front and rear wheels, compensated for slip of tires.
    Type: Application
    Filed: October 4, 2021
    Publication date: June 16, 2022
    Applicants: Hyundai Motor Company, Kia Corporation, Korea University of Technology and Education Industry-University Cooperation Foundation
    Inventors: Hae Ryong Choi, Dong Yoon Hyun, Seung Han You
  • Publication number: 20210394726
    Abstract: A control system of a BBW device may include brake-by-wire (BBW) devices provided to each of wheels of a vehicle to perform a braking control or a suspension control of the vehicle, sensors configured for detecting an operating state of each of the BBW devices, and controllers connected to each of the BBW devices to control a corresponding BBW device among the BBW devices, in which the controllers are configured to determine whether the sensors fail according to data received from the sensors, and when determining that any a sensor among the sensors fails, the controllers turn off any a BBW device of the BBW devices which is a target detected by the failed sensor, and perform the braking control or the suspension control of the BBW devices based on a traveling state of the vehicle.
    Type: Application
    Filed: December 10, 2020
    Publication date: December 23, 2021
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Hae Ryong CHOI, Dong Yoon Hyun
  • Publication number: 20210318232
    Abstract: Disclosed is a system for analyzing a display device, the system including: an image photographing device configured to photograph an image for inspection output from a display device to be inspected and obtain an RGB value for inspection from the photographed image; and an inspection control unit configured to convert the RGB value for inspection into a CIE XYZ value by using a previously prepared color conversion function, and determine defect of the display device to be inspected by using the converted CIE XYZ value.
    Type: Application
    Filed: April 8, 2021
    Publication date: October 14, 2021
    Applicant: VIEWORKS CO., LTD.
    Inventors: Seung Hyun KIM, Gi Ryong CHOI, Jin Hee OH, Yoon Hyuk LEE
  • Patent number: 11111331
    Abstract: The present application may provide a block copolymer and a use thereof. The present application may provide a block copolymer and a use thereof. The block copolymer of the present application may have excellent self-assembly properties or phase separation characteristics and simultaneously have characteristics capable of changing the self-assembly structure formed once, or provide a block copolymer capable of forming a pattern of phase separation structures in a polymer membrane.
    Type: Grant
    Filed: October 17, 2017
    Date of Patent: September 7, 2021
    Inventors: No Jin Park, Jin Kon Kim, Chung Ryong Choi, Sung Soo Yoon
  • Publication number: 20210108692
    Abstract: The present disclosure relates to an electromechanical brake system having a suspension control function. The electromechanical brake system includes an electromechanical brake connected to each wheel of a vehicle to brake the vehicle, a suspension configured to control suspension of the vehicle, a motor configured to provide driving force to the electromechanical brake or to the suspension, a first clutch configured to connect the electromechanical brake and the motor to each other, a second clutch configured to connect the suspension and the motor to each other, and a controller configured to output a control signal for controlling the motor to be connected to one of the first clutch and the second clutch based on a state signal of the vehicle.
    Type: Application
    Filed: September 15, 2020
    Publication date: April 15, 2021
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Hae Ryong CHOI, Dong Yoon HYUN
  • Publication number: 20210047455
    Abstract: A block copolymer and a use thereof is provided. The block copolymer may have excellent self-assembly properties or phase separation characteristics and simultaneously have characteristics capable of changing the self-assembly structure formed once, or provide a block copolymer capable of forming a pattern of phase separation structures in a polymer membrane.
    Type: Application
    Filed: January 23, 2019
    Publication date: February 18, 2021
    Applicant: LG Chem, Ltd.
    Inventors: No Jin Park, Jin Kon Kim, Chung Ryong Choi, Sung Soo Yoon
  • Publication number: 20200066437
    Abstract: A magnetic composition includes first, second, and third magnetic metal particles. The first magnetic metal particles have an average particle size of 10 ?m to 28 ?m; the second magnetic metal particles have an average particle size of 1 ?m to 4.5 ?m; and the third magnetic metal particles include insulating layers disposed on surfaces thereof and have a particle size of 300 nm or less. Therefore, eddy current loss of an inductor having a body formed of the magnetic composition may be improved, and high efficiency and inductance of the inductor may be secured.
    Type: Application
    Filed: October 30, 2019
    Publication date: February 27, 2020
    Inventors: Se Hyung LEE, Je Ik MOON, Jung Wook SEO, Jun Sung LEE, Woo Jin LEE, Kang Ryong CHOI, Il Jin PARK, Gwang Hwan HWANG
  • Publication number: 20200040122
    Abstract: The present application may provide a block copolymer and a use thereof. The present application may provide a block copolymer and a use thereof. The block copolymer of the present application may have excellent self-assembly properties or phase separation characteristics and simultaneously have characteristics capable of changing the self-assembly structure formed once, or provide a block copolymer capable of forming a pattern of phase separation structures in a polymer membrane.
    Type: Application
    Filed: October 17, 2017
    Publication date: February 6, 2020
    Applicant: LG Chem, Ltd.
    Inventors: No Jin Park, Jin Kon Kim, Chung Ryong Choi, Sung Soo Yoon
  • Patent number: 10497505
    Abstract: A magnetic composition includes first, second, and third magnetic metal particles. The first magnetic metal particles have an average particle size of 10 ?m to 28 ?m; the second magnetic metal particles have an average particle size of 1 ?m to 4.5 ?m; and the third magnetic metal particles include insulating layers disposed on surfaces thereof and have a particle size of 300 nm or less. Therefore, eddy current loss of an inductor having a body formed of the magnetic composition may be improved, and high efficiency and inductance of the inductor may be secured.
    Type: Grant
    Filed: March 28, 2017
    Date of Patent: December 3, 2019
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Se Hyung Lee, Je Ik Moon, Jung Wook Seo, Jun Sung Lee, Woo Jin Lee, Kang Ryong Choi, Il Jin Park, Gwang Hwan Hwang
  • Publication number: 20190198237
    Abstract: A coil electronic component includes a magnetic body in which internal coil parts are embedded, and a metal shielding sheet disposed on at least one of an upper portion and a lower portion of the magnetic body in a thickness direction, in which permeability of the metal shielding sheet is 100 times or higher than permeability of magnetic metal powder contained in the magnetic body.
    Type: Application
    Filed: September 20, 2018
    Publication date: June 27, 2019
    Inventors: Kang Ryong CHOI, Il Jin PARK, Jung Wook SEO, Jong Ok JEON, Won Sik CHONG, Woo Jin LEE, Jung Young CHO
  • Patent number: 10232415
    Abstract: A substrate-treating apparatus is disclosed. The substrate-treating apparatus may include a vessel configured to provide a treatment space therein, a substrate-supporting unit provided in the vessel to support a substrate, and a spraying member configured to spray treatment solution on the substrate loaded on the substrate-supporting unit. The vessel may have an inner side surface, on which at least one texture pattern is formed.
    Type: Grant
    Filed: May 29, 2015
    Date of Patent: March 19, 2019
    Assignees: Semes Co., Ltd., Samsung Electronics Co., Ltd.
    Inventors: Gil Hun Song, Ki Ryong Choi, Young Chol Choi, Giu Su Park, Sun Yong Park
  • Patent number: 9984821
    Abstract: A multilayer ceramic capacitor includes an active region including a plurality of dielectric layers, and first and second internal electrodes alternately disposed with each of the dielectric layers interposed therebetween; and upper and lower cover regions including at least one ferromagnetic layer and disposed on and below the active region, respectively.
    Type: Grant
    Filed: February 24, 2016
    Date of Patent: May 29, 2018
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sung Yong An, Kang Ryong Choi, Jae Yeong Kim, Yong Hui Li, Byeong Cheol Moon, Jeong Gu Yeo
  • Publication number: 20180061550
    Abstract: A magnetic composition includes first, second, and third magnetic metal particles. The first magnetic metal particles have an average particle size of 10 ?m to 28 ?m; the second magnetic metal particles have an average particle size of 1 ?m to 4.5 ?m; and the third magnetic metal particles include insulating layers disposed on surfaces thereof and have a particle size of 300 nm or less. Therefore, eddy current loss of an inductor having a body formed of the magnetic composition may be improved, and high efficiency and inductance of the inductor may be secured.
    Type: Application
    Filed: March 28, 2017
    Publication date: March 1, 2018
    Inventors: Se Hyung LEE, Je Ik MOON, Jung Wook SEO, Jun Sung LEE, Woo Jin LEE, Kang Ryong CHOI, Il Jin PARK, Gwang Hwan HWANG
  • Patent number: 9793741
    Abstract: The present invention relates to a magnetic sheet, a wireless charging sheet, and a method for manufacturing a magnetic sheet. According to an embodiment of the present invention, a magnetic sheet used in a wireless charging sheet, which includes a metal sheet layer consisting of a plurality of divided segments; and an insulating material filled in a dividing space between the segments and forms a magnetic path of a magnetic field generated around a coil, is provided. Further, a wireless charging sheet and a method for manufacturing a magnetic sheet are provided.
    Type: Grant
    Filed: October 10, 2014
    Date of Patent: October 17, 2017
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jeong Gu Yeo, Kang Ryong Choi, Dong Hyeok Choi, Sung Yong An, Chang Ryul Jung, Ji Man Ryu