Patents by Inventor An-Ki Cho

An-Ki Cho 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: 11801777
    Abstract: A load support apparatus for a lumbar support assembly is proposed, in which reinforcing ribs are arranged on a lateral surface and a front surface of a concave portion, the load support apparatus maintaining bearing power for supporting an occupant and having a reduced weight. The load support apparatus includes a main support unit including a main plate formed in the shape of a plate, a concave portion formed by one portion of the main plate protruding backward, with a groove being formed in front of the concave portion, and a rib portion formed by protruding from the main plate toward the groove or backward from the main plate.
    Type: Grant
    Filed: January 7, 2022
    Date of Patent: October 31, 2023
    Assignee: DAECHANG SEAT CO., LTD-DONGTAN
    Inventors: Chan Ki Cho, Gun Young Park, Jin Oh Kim, Tae Hong Han
  • Patent number: 11795299
    Abstract: Provided is a plasticizer composition including a cyclohexane-1,2-diester-based material of Formula 1 and a trimellitate-based material of Formula 2: wherein in Formula 1 and Formula 2, R1 to R5 are each independently an alkyl group of 8 to 10 carbon atoms.
    Type: Grant
    Filed: June 3, 2019
    Date of Patent: October 24, 2023
    Assignee: LG Chem, Ltd.
    Inventors: Hyun Kyu Kim, Yun Ki Cho, Woo Hyuk Choi, Jeong Ju Moon, Joo Ho Kim, Seok Ho Jeong
  • Publication number: 20230336166
    Abstract: An oscillating signal generating circuit drives an oscillating signal to a first logic level based on a first control signal, which is generated by delaying the oscillating signal through a clock delaying circuit, and drives the oscillating signal to a second logic level based on a second control signal, which is generated by delaying the oscillating signal by a fixed delay amount.
    Type: Application
    Filed: August 30, 2022
    Publication date: October 19, 2023
    Applicant: SK hynix Inc.
    Inventors: Sun Ki CHO, Yang Ho SUR, Ic Su OH
  • Patent number: 11767420
    Abstract: A plasticizer composition and a resin composition including the plasticizer composition. The resin composition addresses limitations associated with conventional plasticizers by improving various properties such as plasticization efficiency and mechanical properties including migration properties, volatile loss, tensile strength and elongation rate. The plasticizer composition is also capable of improving properties such as elongation retention and cold tolerance.
    Type: Grant
    Filed: November 1, 2018
    Date of Patent: September 26, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Hyun Kyu Kim, Yun Ki Cho, Jeong Ju Moon, Joo Ho Kim, Seok Ho Jeong
  • Patent number: 11764064
    Abstract: Provided are a monitoring device and method. A monitoring device includes a laser processor configured to emit a processing laser beam to perform a melting annealing process on a wafer; a laser monitor configured to emit a monitoring laser beam onto the wafer while the laser processor performs the melting annealing process, the laser monitor configured to measure reflectivity of the wafer; and a data processor configured to process data on the reflectivity measured by the laser monitor, and monitor one or more characteristics of the wafer based on the data on the reflectivity.
    Type: Grant
    Filed: September 20, 2021
    Date of Patent: September 19, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Nam Hoon Lee, Ill Hyun Park, Tae Hee Han, Jin Won Ma, Byung Joo Oh, Bong Ju Lee, Jae Hee Lee, Joo Yong Lee, Nam Ki Cho, Chang Seong Hong
  • Patent number: 11753402
    Abstract: Provided is a plasticizer composition, including: a cyclohexane-1,2-diester-based substance in which two alkyl groups are bonded to the ester groups, and the alkyl groups each independently are a C4 to C12 alkyl group; and an epoxidized alkyl ester composition comprising one or more compounds of the following Chemical Formula 1: wherein in Chemical Formula 1: R1 is a C8 to C20 alkyl group comprising one or more epoxy groups; and R2 is a C4 to C10 alkyl group.
    Type: Grant
    Filed: May 29, 2019
    Date of Patent: September 12, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Hyun Kyu Kim, Yun Ki Cho, Jeong Ju Moon, Joo Ho Kim
  • Patent number: 11753601
    Abstract: A polymeric material mixture comprising a fluorine-containing polymer, a siloxane polymer, and at least two polymer processing additives (PPA), wherein the at least two polymer processing additives have different chemistries. For example, there can be a flexible coextruded pipe for providing a protective housing for cables, fluids, sludge or solids, the pipe comprising a pair of telescopically related inner and outer layers, where said inner layer is lubricated with the polymeric material mixture.
    Type: Grant
    Filed: February 14, 2022
    Date of Patent: September 12, 2023
    Assignee: Dura-Line LLC
    Inventors: H. Thomas Chung, Fei Fan, Sung Ki Cho, Sam Lukubira, Caleb Michael Spradling, Arturo Valencia
  • Patent number: 11745882
    Abstract: A power management system for an air mobility vehicle includes a plurality of batteries configured to provide power to a propulsion unit of the air mobility vehicle to propel the air mobility vehicle, and a discharge control unit configured to monitor an operation state and a charge state of each battery, determine a discharge mode of each of the plurality of batteries according to the monitored operation state and the monitored charge state, and control whether each of the plurality of batteries is discharged or a discharge rate thereof according to the determined discharge mode.
    Type: Grant
    Filed: July 22, 2021
    Date of Patent: September 5, 2023
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Hyun Ki Cho, Hyun Woo Jun, Hee Kwang Lee
  • Patent number: 11746079
    Abstract: Provided is a plasticizer composition, comprising: a cyclohexane-1,4-diester-based substance of the following Chemical Formula 1; an epoxidized alkyl ester composition comprising one or more compounds of the following Chemical Formula 2; and a citrate-based substance of the following Chemical Formula 3: wherein in Chemical Formula 1 to Chemical Formula 3; R1 and R2 each independently are a C8 alkyl group; R3 is a C8 to C20 alkyl group comprising one or more epoxy groups; and R4 to R7 each independently are a C4 to C10 alkyl group.
    Type: Grant
    Filed: June 3, 2019
    Date of Patent: September 5, 2023
    Assignee: LG Chem, Ltd.
    Inventors: Hyun Kyu Kim, Jeong Ju Moon, Seok Ho Jeong, Yun Ki Cho, Joo Ho Kim
  • Publication number: 20230275663
    Abstract: A distributed antenna system (DAS) for multi-carrier and multi-frequency band based on an O-RAN standard in an open radio access network (O-RAN)-based mobile communication network is provided. The DAS includes an O-RAN remote unit (RU) connected to a fronthaul network according to an O-RAN split option specification of base station transceiver systems (BTSs), and comprising a plurality of O-RAN RUs to accommodate a plurality of carriers and a plurality of frequency bands, and a channel combiner to which outputs of the plurality of O-RAN RUs are combined. The channel combiner is an analog combiner. The DAS further includes an optical distribution unit (ODU) connected to the analog combiner, and a radio unit (RU) connected to the ODU. The RU includes an optical receiving unit (ORU), a high power amplifier (HPA), a low noise amplifier (LNA), and a duplexer or filter.
    Type: Application
    Filed: May 5, 2023
    Publication date: August 31, 2023
    Applicant: ADRF KOREA, Inc.
    Inventors: Chong Youn CHUN, Chan Ki CHO
  • Patent number: 11739976
    Abstract: An air conditioner includes a discharge blade configured to move between a guide position at which a direction of air blown from a blower fan and discharged to an outlet is controlled, and a closing position at which the outlet is closed, wherein the discharge blade includes a plurality of blade holes through which the air is discharged through the discharge blade at the closing position, wherein the discharge blade moves between the guide position and the closing position and controls an air flow from the blower fan to a discharge plate or the outlet. Through this configuration, an air flow discharged to the outside of the housing can be controlled by operation of the discharge blade.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: August 29, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang Ki Cho, Ki Jun Kim, Dae Dong Kim, Chang Heon Lee, Moon Sun Shin, Young Lae Jo
  • Patent number: 11732107
    Abstract: The present invention relates to a plasticizer composition in which three types of cyclohexane 1,4-diester-based compounds prepared through trans-esterification and hydrogenation are mixed, wherein alkyl substituents of the dicarboxylate are a 2-ethylhexyl group and a butyl group or an isobutyl group, which has fewer carbon atoms than the 2-ethylhexyl group, so that the plasticizer composition may exhibit excellent properties in terms of stress resistance, migration resistance, plasticization efficiency, and the like while maintaining an excellent level of tensile strength and elongation rate, when used for a resin composition.
    Type: Grant
    Filed: December 26, 2017
    Date of Patent: August 22, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Hyun Kyu Kim, Mi Yeon Lee, Seok Ho Jeong, Yun Ki Cho, Jeong Ju Moon, Joo Ho Kim
  • Publication number: 20230258729
    Abstract: A battery management apparatus is discussed, and includes: a measuring unit connected to a battery and configured to operate in a measurement mode during a predetermined measurement time at each preset measurement cycle and measure battery information including at least one of voltage and temperature of the battery while operating in the measurement mode; and a control unit configured to operate in a communication mode during a preset operation time at each preset communication cycle, receive the battery information from the measuring unit while operating in the communication mode, set a next operation time point at which the measuring unit is to operate in the measurement mode based on at least one of the communication cycle and a measurement time, and change an operation time to operate in the communication mode at each subsequent communication cycle based on the measurement time.
    Type: Application
    Filed: June 3, 2021
    Publication date: August 17, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Jae-Dong PARK, Jung-Hyun KWON, Hyun-Ki CHO, Jung-Hoon LEE, Hu-Jun LEE, Ji-Won HWANG
  • Publication number: 20230257565
    Abstract: A communication cable composition, and a wire and a cable coated with same. the communication cable composition comprises 0.1-5 parts by weight of an antioxidant and 0.1-5 parts by weight of a lubricant with respect to 100 parts by weight of at least one polypropylene resin selected from among a thermoplastic olefin, a polypropylene block copolymer, and a polypropylene homopolymer. It A communication cable resin composition according to present disclosure has excellent communication performance, heat resistance, oil resistance, and chemical resistance by using a base resin and an antioxidant, wherein various polypropylene resins are used alone or, as appropriate, in combinations as the base resin. An insulated wire and a communication cable coated with such a composition improves the stability of the cable by increasing chemical resistance and oil resistance. In addition, the insulated wire and the communication cable increase heat resistance to the UL 105° C. level.
    Type: Application
    Filed: April 21, 2023
    Publication date: August 17, 2023
    Inventors: Chan Yong SEONG, Dong Hun KIM, Kyoung Jin KIM, Hwan Chul BAE, Dong Wook KIM, Jo Eun LEE, Dong Ki CHO, Joo Ho LEE, Yong Won LEE
  • Publication number: 20230252608
    Abstract: A method includes obtaining, using a stationary sensor of an electronic device, multiple image frames including first and second image frames. The method also includes generating, using multiple previously generated motion vectors, a first motion-distorted image frame using the first image frame and a second motion-distorted image frame using the second image frame. The method further includes adding noise to the motion-distorted image frames to generate first and second noisy motion-distorted image frames. The method also includes performing (i) a first multi-frame processing (MFP) operation to generate a ground truth image using the motion-distorted image frames and (ii) a second MFP operation to generate an input image using the noisy motion-distorted image frames.
    Type: Application
    Filed: February 7, 2022
    Publication date: August 10, 2023
    Inventors: Yingmao Li, Hamid R. Sheikh, John Seokjun Lee, Youngmin Kim, Jun Ki Cho, Seung-Chul Jeon
  • Publication number: 20230252770
    Abstract: A method for training data generation includes obtaining a first set of image frames of a scene and a second set of image frames of the scene using multiple exposure settings. The method also includes generating an alignment map, a blending map, and an input image using the first set of image frames. The method further includes generating a ground truth image using the alignment map, the blending map, and the second set of image frames. In addition, the method includes using the ground truth image and the input image as an image pair in a training dataset when training a machine learning model to reduce image distortion and noise.
    Type: Application
    Filed: October 11, 2022
    Publication date: August 10, 2023
    Inventors: Tyler Luu, John W. Glotzbach, Hamid R. Sheikh, John Seokjun Lee, Youngmin Kim, Jun Ki Cho, Seung-Chul Jeon
  • Patent number: 11716145
    Abstract: Provided is a distributed antenna system (DAS) for multi-frequency band and multi-carrier equipped with an open radio access network (O-RAN) remote unit (RU) according to an O-RAN technology standard for building a next-generation radio infrastructure. To this end, the DAS for multi-carrier and multi-frequency band based on an O-RAN standard includes an O-RAN RU connected to a fronthaul network according to an O-RAN split option specification of base station transceiver systems (BTSs), and including a plurality of O-RAN RUs to accommodate a plurality of carriers and a plurality of frequency bands; and a channel combiner to which outputs of the plurality of O-RAN RUs are combined.
    Type: Grant
    Filed: November 17, 2021
    Date of Patent: August 1, 2023
    Assignee: ADRF KOREA, Inc.
    Inventors: Chong Youn Chun, Chan Ki Cho
  • Publication number: 20230236263
    Abstract: Discussed is a system for managing a state of a battery, the system including: a user terminal to set location information about a location at which the battery is stored and output the set location information; a battery information obtaining device connected to the battery and to obtain battery information including at least one of voltage, SOC, and SOH of the battery and output the obtained battery information; and a performance detecting device connected to the user terminal to receive the set location information, connected to the battery information obtaining device to receive the obtained battery information, and to determine a target location at which the battery is stored, obtain environment information of the determined target location, set reference state information of at least one reference cell stored around the determined target location, and detect performance of the battery.
    Type: Application
    Filed: May 25, 2021
    Publication date: July 27, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Hu-Jun LEE, Jung-Hyun KWON, Ho-Byung YOON, Sang-Hoon LEE, Hyun-Ki CHO
  • Patent number: 11702612
    Abstract: A polymeric material mixture comprising a fluorine-containing polymer, a siloxane polymer, and at least two polymer processing additives (PPA), wherein the at least two polymer processing additives have different chemistries. For example, there can be a flexible coextruded pipe for providing a protective housing for cables, fluids, sludge or solids, the pipe comprising a pair of telescopically related inner and outer layers, where said inner layer is lubricated with the polymeric material mixture.
    Type: Grant
    Filed: April 5, 2021
    Date of Patent: July 18, 2023
    Assignee: Dura-Line LLC
    Inventors: H. Thomas Chung, Fei Fan, Sung Ki Cho, Sam Lukubira, Caleb Michael Spradling, Arturo Valencia
  • Patent number: 11702529
    Abstract: A plasticizer composition, and a resin composition including the same. The plasticizer composition includes 70 to 99 wt % of a first plasticizer including a terephthalate-based material and a citrate-based material in a specific weight ratio; and 1 to 30 wt % of a second plasticizer including an epoxidized alkyl ester composition. The plasticizer composition has enhanced physical properties, such as thermal stability and light resistance. In addition, the plasticizer composition has stable and improved tensile and elongation properties, migration resistance and volatile loss.
    Type: Grant
    Filed: October 11, 2018
    Date of Patent: July 18, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Hyun Kyu Kim, Jeong Ju Moon, Joo Ho Kim, Seok Ho Jeong, Yun Ki Cho