Patents by Inventor Cheol Lee

Cheol 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: 20230175572
    Abstract: An aspect of the present disclosure provides a hydraulic-pneumatic apparatus including a cylinder assembly including a spindle with a hollow inside, a hollow cylinder portion, and a piston rod capable of reciprocating inside the hollow cylinder portion, and inserted through an inlet of the spindle, a flange portion surrounding the piston rod, disposed on an inlet side of the cylinder portion, and contacting an inner circumferential surface of the spindle, and a sealant disposed between the flange portion and one surface of the bent portion facing the flange portion, wherein a bent portion is formed on an inlet of the spindle to surround the flange portion.
    Type: Application
    Filed: April 5, 2021
    Publication date: June 8, 2023
    Inventors: Ki Cheol LEE, Jin Hyung AN
  • Publication number: 20230177160
    Abstract: A provenance information based trust evaluation method of a trust evaluation apparatus for selecting a cooperation object of a self-adaptive system includes transmitting a cooperation request signal to a communicable neighbor, receiving a response including provenance information from the neighbor, evaluating a final trust based on the provenance information included in the response of each cooperation candidate object by considering a neighbor which transmits the response as a cooperation candidate object, and selecting a cooperation object based on the final trust of each of the cooperation candidate object, and the final trust is calculated based on a provenance trust of each of the cooperation candidate objects and the influence of the cooperation pattern.
    Type: Application
    Filed: December 5, 2022
    Publication date: June 8, 2023
    Inventors: Seok Won LEE, Hyo Cheol LEE
  • Publication number: 20230179423
    Abstract: Disclosed herein is a method for storing blockchain transaction data. The method includes selecting at least one block file storing blockchain transactions as an encoding block file target, generating encoded chunks including parity chunks using the encoding block file target, and making at least one of the encoded chunks correspond to at least one of blockchain nodes to store at least one of the encoded chunks.
    Type: Application
    Filed: November 22, 2022
    Publication date: June 8, 2023
    Inventor: Myung-Cheol LEE
  • Patent number: 11670857
    Abstract: An antenna apparatus includes a first patch antenna pattern comprising a through-hole, a second patch antenna pattern disposed above the first patch antenna pattern and spaced apart from the first patch antenna pattern, a first feed via electrically connected to the first patch antenna pattern, a second feed via penetrating through the through-hole of the first patch antenna pattern, and a feed pattern disposed between the first patch antenna pattern and the second patch antenna pattern, and having one end connected to the second feed via, and another end connected to the second patch antenna pattern at a point closer to an edge of the second patch antenna pattern than the second feed.
    Type: Grant
    Filed: September 13, 2021
    Date of Patent: June 6, 2023
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Won Cheol Lee, Nam Ki Kim, Jae Min Keum, Jeong Ki Ryoo
  • Publication number: 20230159189
    Abstract: A drone propeller of the present invention includes a plurality of blades and a rotary shaft, wherein the blades comprise a rotation retaining unit connected to the rotary shaft side, a separation and detachment unit that is on the outer side of the blades and is to be separated when damaged, and a breakage inducing unit which connects the rotation retaining unit and the separation and detachment unit and is damaged during a collision.
    Type: Application
    Filed: May 27, 2021
    Publication date: May 25, 2023
    Inventor: Min Cheol LEE
  • Patent number: 11658425
    Abstract: An antenna apparatus includes a ground plane, a plurality of first patch antenna patterns arranged on a level higher than the ground plane and each configured to transmit and/or receive a first radio frequency signal of a first frequency, a plurality of second patch antenna patterns arranged on a level higher than the ground plane and each having a size smaller than a size of each of the first patch antenna patterns, wherein the plurality of second patch antenna patterns include at least one feed patch antenna pattern configured to transmit and/or receive a second radio frequency signal of a second frequency different from the first frequency, and at least one dummy patch antenna pattern which is not fed any of the first and second radio frequency signals.
    Type: Grant
    Filed: March 7, 2022
    Date of Patent: May 23, 2023
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Won Cheol Lee, Jeong Ki Ryoo, Nam Ki Kim, Myeong Woo Han, Sang Hyun Kim
  • Patent number: 11657766
    Abstract: The present disclosure discloses a sensing circuit and a source driver including the same, capable of decreasing influence on the performance of an integrator according to a panel load and reducing a chip area by excluding a feedback capacitor of the integrator. The sensing circuit may convert an input current, received from a display panel, into an output current having linearity and an amount of current smaller than the input current.
    Type: Grant
    Filed: November 22, 2021
    Date of Patent: May 23, 2023
    Assignee: LX SEMICON CO., LTD.
    Inventors: Taiming Piao, Young Bok Kim, Won Kim, Byeon Cheol Lee
  • Publication number: 20230152068
    Abstract: Proposed are air apparatus and a method for integrated control of ignition of fireworks products and flight of unmanned aerial vehicles for a fireworks show, the apparatus including: an information input part configured to receive flight information of the multiple unmanned aerial vehicles and ignition information of the fireworks products provided at the respective multiple unmanned aerial vehicles; an unmanned aerial vehicle flight controller configured to generate flight control signals on the basis of tire received flight information of the unmanned aerial vehicles; a fireworks product ignition controller configured to generate ignition control signals on the basis of the received ignition information of the fireworks products; and a state information receiver configured to receive in real time flight state information of the unmanned aerial vehicles that have received the generated flight control signals, and ignition state information of the fireworks products that have received the generated ignition c
    Type: Application
    Filed: November 16, 2021
    Publication date: May 18, 2023
    Applicants: HANWHA CORPORATION, PABLO AIR Co., Ltd.
    Inventors: Bum Suck Moon, Jang Cheol Lee, Du Yeon Yoon, Seong Bok Kim, Young Joon Kim
  • Patent number: 11649518
    Abstract: Disclosed are a high-strength ultra-thick steel material and a method for manufacturing same. The high-strength ultra-thick steel material comprises in weight % 0.04-0.1% of C, 0.05-0.5% of Si, 0.01-0.05% of Al, 1.6-2.2% of Mn, 0.5-1.2% of Ni, 0.005-0.050% of Nb, 0.005-0.03% of Ti and 0.2-0.6% of Cu, 100 ppm or less of P and 40 ppm or less of S with a balance of Fe, and inevitable impurities, and comprises, in a subsurface area up to t/10 (t hereafter being referred to as the thickness of the steel material), bainite of 90 area % or greater (including 100 area %) as microstructures. And the particle size of crystallites having a high inclination angle boundary of 15° or higher measured by EBSD is 10 ?m or less (not including 0 ?m).
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: May 16, 2023
    Assignee: POSCO CO., LTD
    Inventors: Hak-Cheol Lee, Sung-Ho Jang
  • Publication number: 20230144238
    Abstract: A system for scheduling machine learning jobs includes a user interface provision unit to transmit, to a user terminal, data for forming an input interface to receive job information including information indicative of a checkpoint file of a model to be executed and require resource information, a resource management unit to manage a job queue, wherein each item of the job queue includes the job information and annotation including an expected execution time, complement for an item in which the expected execution time is not recorded in the annotation by receiving the expected execution time from an execution time expectation unit, and execute job scheduling using the job information of each item of the job queue, and an execution time expectation unit to calculate memory usage necessary for executing the model using information of the checkpoint file and determine the expected execution time of the model, using the memory usage.
    Type: Application
    Filed: November 2, 2022
    Publication date: May 11, 2023
    Inventors: Joon Yi KIM, Byung Yong SUNG, Jun Cheol LEE, Chang Ju LEE
  • Publication number: 20230144488
    Abstract: The present disclosure relates to novel cell penetrating peptides and uses thereof. Since 12 types of cell-penetrating peptides according to the present disclosure were confirmed to have excellent cell permeability and an excellent substance delivery effect in vitro and in vivo, the cell-penetrating peptides are expected to be useful in the field of research, and in the field of diagnosis or treatment of various diseases, by being capable of effectively delivering a substance with biological activity into the body, such as cells and tissues.
    Type: Application
    Filed: April 28, 2020
    Publication date: May 11, 2023
    Inventors: Han Joo KIM, Minah SUH, Yong Ho KIM, Jae Cheol LEE, Euna LEE, Ji Young NAM, Ho Jae CHOI
  • Patent number: 11646503
    Abstract: An antenna apparatus may include: first patch antenna patterns arrayed in an N×1 structure, the first patch antenna patterns each having a polygonal shape having an oblique side with respect to an array direction of the N×1 structure; feed vias electrically connected to the first patch antenna patterns; and guide vias arrayed along the oblique side, wherein N is a natural number greater than or equal to 2.
    Type: Grant
    Filed: October 23, 2019
    Date of Patent: May 9, 2023
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Dae Ki Lim, Nam Ki Kim, Myeong Woo Han, Jeong Ki Ryoo, Ju Hyoung Park, Won Cheol Lee
  • Publication number: 20230135629
    Abstract: A battery module including: a battery cell stack including a plurality of battery cells; aa housing for the battery cell stack; and a heat conductive resin layer formed on the bottom part of the housing. The heat conductive resin layer includes a first heat conductive resin layer and a second heat conductive resin layer. The first heat conductive resin layer is formed adjacent to the front surface of the battery cell stack, and the second heat conductive resin layer is formed adjacent to the rear surface of the battery cell stack, and at least a part of the first heat conductive resin layer and at least a part of the second heat conductive resin layer are spaced apart from each other.
    Type: Application
    Filed: August 9, 2021
    Publication date: May 4, 2023
    Inventors: Sangki Lee, Bumhee Lee, Jong Cheol Lee, Dohyeok Kang, Dajin Lee
  • Publication number: 20230137386
    Abstract: Disclosed are a method for robotic processing automation. The method for robotic processing automation includes transmitting to a remote apparatus, a screen stream request for a target program executed in the remote apparatus, receiving from the remote apparatus, a screen stream corresponding to the screen stream request and displaying the screen stream corresponding to the screen stream request, monitoring whether a user event occurs in the displayed screen stream, transmitting to the remote apparatus, when the user event occurs, an information inquiry request for an object related to the user event, receiving from the remote apparatus, object-related information corresponding to the information inquiry request, and generating an automation script for automatically executing the target program based on at least one of the screen stream or the object-related information.
    Type: Application
    Filed: October 28, 2022
    Publication date: May 4, 2023
    Applicant: Samsung SDS Co., Ltd.
    Inventors: Koohyun Park, Jae Cheol Lee
  • Publication number: 20230138845
    Abstract: A memory device, a host device and a method of operating the memory device are provided. The memory device includes a data signal generator configured to provide a data signal to a transmission driver, the transmission driver configured to output a multi-level signal having any one of first to third signal levels based on the data signal, a command decoder configured to receive a feedback signal from outside of the memory device and decode the feedback signal, a data signal controller configured to adjust the data signal based on a decoding result of the command decoder, and a drive strength controller configured to adjust at least one of the first to third signal levels based on the decoding result of the command decoder.
    Type: Application
    Filed: July 6, 2022
    Publication date: May 4, 2023
    Inventors: Joo Hwan KIM, Su Cheol LEE, Jin Do BYUN, Eun Seok SHIN, Young Don CHOI, Jung Hwan CHOI
  • Patent number: 11640874
    Abstract: A multilayer ceramic capacitor includes a body including a first dielectric layer on which a first internal electrode, a first coupling portion, and a second internal electrode are disposed, a second dielectric layer on which a third internal electrode, a second coupling portion, and a fourth internal electrode are disposed, and a third dielectric layer on which a fifth internal electrode or a sixth internal electrode is disposed, and first and second external electrodes connected to the first to sixth internal electrodes, and disposed on both surfaces of the body in the first direction. The first to third dielectric layers are sequentially stacked.
    Type: Grant
    Filed: August 20, 2021
    Date of Patent: May 2, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventor: Sun Cheol Lee
  • Publication number: 20230129758
    Abstract: A method of manufacturing a semiconductor memory device includes alternately stacking sacrificial layers and interlayer insulating layers over a lower structure, forming a slit passing through the sacrificial layers and the interlayer insulating layers, removing the sacrificial layers through the slit through a wet etching process, and removing, through a dry etching process, a byproduct that is produced at ends of the interlayer insulating layers during the wet etching process.
    Type: Application
    Filed: March 3, 2022
    Publication date: April 27, 2023
    Applicant: SK hynix Inc.
    Inventors: Seung Cheol LEE, Dae Min KIM, Dae Sung KIM, Sang Seob LEE, Hyun Woo JIN
  • Publication number: 20230126185
    Abstract: The apparatus includes a section extraction module configured to receive an automation scenario including a plurality of sections, and to extract one or more sections of a plurality of job types, from among the plurality of sections, the one or more sections being executable in parallel, a section optimization module configured to generate a parallel execution section list by sorting the one or more sections based on priorities predetermined for the plurality of job types and a job scheduler configured to generate an idle bot list including an idle bot having an idle state between an execution start time and an execution end time of the automation scenario, and to match the idle bot included in the idle bot list to each of the one or more sections included in the parallel execution section list with reference to the at least one expected execution time period and the priorities.
    Type: Application
    Filed: October 25, 2022
    Publication date: April 27, 2023
    Applicant: SAMSUNG SDS CO., LTD.
    Inventors: Hyo Young Kim, Jae Cheol Lee, Koo Hyun Park
  • Patent number: 11634784
    Abstract: Disclosed are a high-strength ultra-thick steel material and a method for manufacturing same. The high-strength ultra-thick steel material comprises in weight % 0.04-0.1% of C, 1.2-2.0% of Mn, 0.2-0.9% of Ni, 0.005-0.04% of Nb, 0.005-0.03% of Ti and 0.1-0.4% of Cu, 100 ppm or less of P and 40 ppm or less of S with a balance of Fe, and inevitable impurities, and comprises, in a subsurface area up to t/10 (t hereafter being referred to as the thickness of the steel material), polygonal ferrite of 50 area % or greater (including 100 area %) and bainite of 50 area % or less (including 0 area %) as microstructures.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: April 25, 2023
    Assignee: POSCO CO., LTD
    Inventors: Hak-Cheol Lee, Sung-Ho Jang
  • Patent number: 11625385
    Abstract: A blockchain based data management method performed by a computing device according to an embodiment of the present disclosure includes recording a deletion event for off-chain data and time information of the deletion event in a blockchain network, and selectively deleting the off-chain data based on a validity verification result calculated for the time information, wherein the validity verification result is calculated using a time-consensus algorithm of the blockchain network.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: April 11, 2023
    Assignee: SAMSUNG SDS CO., LTD.
    Inventors: Young Yoo Heo, Kwang Cheol Lee, Sang Ji Bae, Jun Tae Kim, Jung Eun Lee, Kyu Sang Lee