Patents by Inventor Hyun-Kyu Choi

Hyun-Kyu 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).

  • Publication number: 20240170266
    Abstract: The present invention provides a component for a semiconductor device fabrication apparatus, a semiconductor device fabrication apparatus including the same, and a method of fabricating a semiconductor device, wherein the component includes single-crystal silicon, wherein, on at least one surface thereof, a water contact angle is 45° to 74° and a diiodomethane contact angle is 41° to 57°.
    Type: Application
    Filed: November 17, 2023
    Publication date: May 23, 2024
    Inventors: Hyun Soo LEE, Hae Mi KANG, Do Hyun CHOI, Il Gu YONG, Jong Kyu LEE, Ho Geun HAN, Ju Young SONG
  • Publication number: 20240143927
    Abstract: Provided are a method for generating a summary and a system therefor. The method according to some embodiments may include calculating a likelihood loss for a summary model using a first text sample and a first summary sentence corresponding to the first text sample, calculating an unlikelihood loss for the summary model using a second text sample and the first summary sentence, the second text sample being a negative sample generated from the first text sample, and updating the summary model based on the likelihood loss and the unlikelihood loss.
    Type: Application
    Filed: October 26, 2023
    Publication date: May 2, 2024
    Applicants: SAMSUNG SDS CO., LTD., SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Sung Roh YOON, Bong Kyu HWANG, Ju Dong KIM, Jae Woong YUN, Hyun Jae LEE, Hyun Jin CHOI, Jong Yoon SONG, Noh II PARK, Seong Ho JOE, Young June GWON
  • Publication number: 20240128552
    Abstract: A pouch-type battery case according to an embodiment of the invention may accommodate an electrode assembly, in which electrodes and separators are alternately stacked. The pouch-type battery case may include: a pair of recess parts, each of which has a recessed shape; a pair of terraces that are disposed around the pair of recess parts and are inclined downward in a direction closer to each other in a state; in which the battery case is unfolded; and a bridge disposed between the pair of recess parts, configured to connect the pair of recess parts to each other, having a pair of connection surfaces formed to be inclined upward from a bottom surface of each of the pair of recess parts in a direction closer to each other. In the state in which the battery case is unfolded, an angle formed by the pair of terraces may be an obtuse angle.
    Type: Application
    Filed: April 5, 2022
    Publication date: April 18, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Hyun Beom Kim, Min Kyu Min, Kyu Hyun Choi, Gi Man Kim, Dae Hong Kim, Se Young Oh
  • Publication number: 20240123386
    Abstract: A filter holder comprises: a plurality of filter frames disposed such that at least some thereof are adjacent to each other; and a folding member which supports filter frames, from among the plurality of filter frames, adjacent to each other so as to be rotatable with respect to each other. The folding member comprises: a folding part which has a predetermined thickness and is flexible so as to be foldable by means of rotation of the adjacent filter frames adjacent with respect to each other; and a plurality of edge parts which are connected to the respective sides of the folding part with the folding portion therebetween and rotate together with the adjacent filter frames, and wherein when viewed from a cross-section of the folding member, the edge parts may have a greater thickness than the folding part.
    Type: Application
    Filed: January 28, 2022
    Publication date: April 18, 2024
    Applicant: COWAY CO.,LTD.
    Inventors: Yoon Hyuck CHOI, Hyun Kyu LEE, Jong Cheol KIM, Seung Ki KIM, Sung Sil KANG, Ju Hyun BAEK, Chan Jung PARK
  • Publication number: 20240128480
    Abstract: An exemplary embodiment of the present disclosure provides a separator for a fuel cell, which is stacked on a reaction layer including a membrane electrode assembly (MEA). The separator includes a plate body stacked on the reaction layer, a wave pattern provided on one surface of the plate body that faces the reaction layer, the wave pattern being configured to define a reaction channel disposed between the reaction layer and the plate body and provided in a first direction in which a reactant gas is supplied, so that the reactant gas flows along the reaction channel, and a land provided along a lateral end of the wave pattern and disposed to be in contact with the reaction layer, thereby obtaining an advantageous effect of improving performance and operational efficiency.
    Type: Application
    Filed: December 20, 2022
    Publication date: April 18, 2024
    Applicant: HYUNDAI MOBIS Co., Ltd.
    Inventors: Sun Hwi KIM, Hyun Kyu CHOI, Bae Jung KIM, Chan Gi KIM, Hyun Jeong KIM, Ah Reum KIM
  • Publication number: 20240100464
    Abstract: An air filter comprises: a first filter frame in which a plurality of first chambers are formed; a second filter frame in which a plurality of second chambers are formed and which is arranged at the rear of the first filter frame; and a filter material which is accommodated in the plurality of first chambers and the plurality of second chambers to filter air, wherein the first filter frame and the second filter frame are arranged so that, when seen from the front, the center of each of the plurality of second chambers is out of line with the center of each of the plurality of first chambers, in the vertical direction.
    Type: Application
    Filed: January 28, 2022
    Publication date: March 28, 2024
    Applicant: COWAY CO., LTD.
    Inventors: Yoon Hyuck CHOI, Hyun Kyu LEE, Jong Cheol KIM, Seung Ki KIM, Sung Sil KANG, Ju Hyun BAEK, Chan Jung PARK
  • Patent number: 11939453
    Abstract: A plasticizer composition including a citrate-based material and an epoxidized oil, and the plasticizer composition capable of maintaining an excellent plasticization efficiency and providing an improved mechanical properties and stress resistance when compared with conventional phthalate-based plasticizer products.
    Type: Grant
    Filed: June 11, 2020
    Date of Patent: March 26, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Hyun Kyu Kim, Seok Ho Jeong, Jeong Ju Moon, Woo Hyuk Choi
  • Patent number: 11934950
    Abstract: An apparatus for embedding a sentence feature vector according to an embodiment includes a sentence acquisitor configured to acquire a first sentence and a second sentence, each including one or more words; a vector extractor configured to extract a first feature vector corresponding to the first sentence and a second feature vector corresponding to the second sentence by independently inputting each of the first sentence and the second sentence into a feature extraction network; and a vector compressor configured to compress the first feature vector and the second feature vector into a first compressed vector and a second compressed vector, respectively, by independently inputting each of the first feature vector and the second feature vector into a convolutional neural network (CNN)-based vector compression network.
    Type: Grant
    Filed: October 26, 2020
    Date of Patent: March 19, 2024
    Assignee: SAMSUNG SDS CO., LTD.
    Inventors: Seong Ho Joe, Young June Gwon, Seung Jai Min, Ju Dong Kim, Bong Kyu Hwang, Jae Woong Yun, Hyun Jae Lee, Hyun Jin Choi
  • Patent number: 11930361
    Abstract: A method of a wearable device displaying icons is provided. The method includes displaying a plurality of circular icons comprising a first circular icon located in a center area of a touch display in a first size and a second circular icon located outside of the center area of the touch display in a second size smaller than the first size, and based on a direction of a touch input received on the touch display, moving the plurality of circular icons such that the first circular icon is moved to a first position located outside of the center area of the touch display and the second circular icon is moved from a second position located outside the center area of the touch display to the center area of the touch display and enlarged in size from the second size to the first size.
    Type: Grant
    Filed: September 17, 2021
    Date of Patent: March 12, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Joon-kyu Seo, Young-joon Choi, Ji-yeon Kwak, Hyun-jin Kim, Yeo-jun Yoon
  • Patent number: 11880794
    Abstract: The present disclosure relates to a smart-tag based work processing device and a work processing method, wherein the work processing device comprises a work object processing unit creating a work object that implements a work processing flow through a plurality of heterogeneous work units having a dependency relationship; a work processing flow controller creating a work unit of a first type through the work object and sequentially generating a work unit of a second type through the work unit of the first type; and a smart-tag processing unit identifying attribute information of the work unit of the second type when the corresponding work unit is created, automatically generating a smart-tag based on the attribute information, and combining the smart-tag into the work unit of the first type.
    Type: Grant
    Filed: February 22, 2022
    Date of Patent: January 23, 2024
    Assignees: Delta PDS CO., LTD.
    Inventors: Jae Ho Choi, Hyun Kyu Choi, Seo Hyun Choi
  • Publication number: 20240014430
    Abstract: Disclosed is a cartridge assembly. The cartridge assembly includes a body part having an upper body opened upwards and downwards, and a lower body opened upwards and downwards, and coupled to the upper body to define an interior space, in which cells are stacked upwards and downwards, together with the upper body, and a cartridge including a cover part having an upper cover that covers an upper opening formed on an upper side of the upper body, and a lower cover that covers a lower opening formed on a lower side of the lower body, a plurality of cartridges are provided, and are stacked in an upward/downward direction, and each of the cartridges includes a connection part fixedly coupled to another cartridge disposed on an upper side or a lower side thereof to be adjacent thereto.
    Type: Application
    Filed: October 21, 2022
    Publication date: January 11, 2024
    Applicant: HYUNDAI MOBIS Co., Ltd.
    Inventors: Chan Gi KIM, Hyun Kyu CHOI, Bae Jung KIM, Hyun Jeong KIM, Sun Hwi KIM
  • Publication number: 20230327142
    Abstract: A separator for a fuel cell, which is stacked on a gas diffusion layer provided on a membrane electrode assembly (MEA), includes a plate body stacked on the gas diffusion layer and including a flow path part to define a reaction region to react with the membrane electrode assembly and manifold parts spaced apart from the flow path part; through-holes disposed in the plate body to guide target fluids that have passed through the manifold parts to the flow path part; and hole caps disposed on one surface of the plate body that faces the gas diffusion layer to at least partially cover the through-holes, the hole caps defining movement paths through which the target fluids move.
    Type: Application
    Filed: July 20, 2022
    Publication date: October 12, 2023
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventors: Bae Jung KIM, Hyun Jeong KIM, Ah Reum KIM, Young Chul PARK, Hyun Kyu CHOI, Chan Gi KIM, Sun Hwi KIM
  • Publication number: 20230306335
    Abstract: An approval object-based work management device includes a work note processing unit that creates a work note related to a specific work in the course of a project, a note chat room processing unit that creates a note chat room which is managed as a work object of the project and associated with the work note, an approval object creation unit that creates an approval object for processing an approval work for the work note through the note chat room, and an approval object processing unit that updates an approval status of the approval object according to work progress stages of the approval work and processes the approval work as completed when the last stage of the work progress stages is completed.
    Type: Application
    Filed: August 26, 2022
    Publication date: September 28, 2023
    Applicants: Delta PDS CO., LTD.
    Inventors: Jae Ho CHOI, Hyun Kyu CHOI, Seo Hyun CHOI
  • Publication number: 20230245026
    Abstract: The present disclosure relates to a smart-tag based work processing device and a work processing method, wherein the work processing device comprises a work object processing unit creating a work object that implements a work processing flow through a plurality of heterogeneous work units having a dependency relationship; a work processing flow controller creating a work unit of a first type through the work object and sequentially generating a work unit of a second type through the work unit of the first type; and a smart-tag processing unit identifying attribute information of the work unit of the second type when the corresponding work unit is created, automatically generating a smart-tag based on the attribute information, and combining the smart-tag into the work unit of the first type.
    Type: Application
    Filed: February 22, 2022
    Publication date: August 3, 2023
    Applicants: Delta PDS CO., LTD.
    Inventors: Jae Ho CHOI, Hyun Kyu CHOI, Seo Hyun CHOI
  • Publication number: 20230223564
    Abstract: A bipolar plate for a fuel cell capable of improving the cooling efficiency of a fluid passing through the bipolar plate, and a fuel cell including the same, includes a first plate, a second plate coupled to the first plate to form a channel in which a fluid flows, and a plurality of protrusions disposed apart from each other in the channel in a flow direction of the fluid.
    Type: Application
    Filed: December 20, 2022
    Publication date: July 13, 2023
    Applicant: HYUNDAI MOBIS Co., Ltd.
    Inventors: Sun Hwi KIM, Hyun Jeong KIM, Ah Reum KIM, Bae Jung KIM, Hyun Kyu CHOI, Chan Gi KIM
  • Publication number: 20230207290
    Abstract: Disclosed is a method of treating a substrate by using a substrate treating apparatus generating plasma in a treatment space by applying microwaves, the method including: a plasma treatment operation of treating a substrate with the plasma; a replacement operation in which the plasma treatment operation is performed a preset number of times and a component included in the substrate treating apparatus is replaced; and a backup operation of backing up the substrate treating apparatus after the replacement operation, in which the backup operation includes a bake purge operation for removing byproducts present in the component.
    Type: Application
    Filed: December 13, 2022
    Publication date: June 29, 2023
    Applicant: SEMES CO., LTD.
    Inventors: Sang Lim KIM, Do Hwan JUNG, Hyun Kyu CHOI
  • Patent number: 11521140
    Abstract: A work object processing apparatus includes: a message thread processing unit configured to be displayed through a chat room of an Internet messenger associated with a message thread, to receive a work object including a work producer, a work processor, and work contents, and to process a work object operation on the message thread; and a work object processing unit configured to process a work object state of the work object changed, from among a plurality of work object states of the work object included in a work processing diagram, based on a work interaction between the work producer and the work processor.
    Type: Grant
    Filed: October 30, 2020
    Date of Patent: December 6, 2022
    Assignees: DELTA PDS CO., LTD.
    Inventors: Hyun Kyu Choi, Dong Kyu Choi, Jae Ho Choi
  • Publication number: 20220384831
    Abstract: Disclosed are fuel cells including a membrane electrode assembly (MEA), a separator stacked on a surface of the membrane electrode assembly, a beading portion protruding from a first surface of the separator that faces the membrane electrode assembly, and a sealing member disposed between the membrane electrode assembly and the beading portion and being configured to seal a portion between the membrane electrode assembly and the separator, thereby ensuring rigidity and improving safety and reliability of the fuel cell.
    Type: Application
    Filed: October 7, 2021
    Publication date: December 1, 2022
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventors: Hyun Jeong KIM, Bae Jung KIM, Ah Reum KIM, Hyun Kyu CHOI, Zuh Youn VAHC, Sun Hwi KIM, Chan Gi KIM
  • Publication number: 20220352139
    Abstract: A display device including a display panel including a substrate, pixels provided on the substrate, and first lines connected to the pixels, the display device having a bending area where the display panel is bent. The display panel also includes a chip on film overlapping with a portion of the display panel and having second lines, an anisotropic conductive film provided between the chip on film and the display panel connecting the first lines and the second lines, and a coating layer covering the bending area and one end of the chip on film. In such a device, lines of the chip on film may be prevented from being corroded as they may be spaced apart from an edge of an insulating film.
    Type: Application
    Filed: February 13, 2022
    Publication date: November 3, 2022
    Inventors: Jun Namkung, Soon Ryong Park, Ju Yeop Seong, Hyun Kyu Choi
  • Publication number: 20220344693
    Abstract: A fuel cell includes: a membrane electrode assembly (MEA); a first separator stacked on a first surface of the membrane electrode assembly; a second separator stacked on a second surface of the membrane electrode assembly; a first sealing member disposed on the first separator and configured to seal a space between the first separator and the membrane electrode assembly; a second sealing member disposed on the second separator and configured to seal a space between the second separator and the membrane electrode assembly; and a fastening part configured to fasten the first sealing member to the second sealing member.
    Type: Application
    Filed: July 12, 2021
    Publication date: October 27, 2022
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventors: Hyun Jeong KIM, Bae Jung KIM, Ah Reum KIM, Zuh Youn VAHC, Hyun Kyu CHOI, Sun Hwi KIM, Chan Gi KIM