Patents by Inventor Min Choi

Min 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: 12251689
    Abstract: The present invention relates to a catalyst composition comprising a gold nanoparticle superlattice embedded in hierarchical porous silica and a method for manufacturing the same. The catalyst composition comprising a gold nanoparticle superlattice embedded in hierarchical porous silica according to the present invention comprises micropores and mesopores in the superlattice, so that these pores are channelized to allow the rapid access of reactants to surfaces of gold nanoparticles, and the catalyst composition is very structurally stable and has excellent catalytic activity, and thus has an effect of exhibiting a CO conversion rate of 100% at room temperature.
    Type: Grant
    Filed: December 13, 2022
    Date of Patent: March 18, 2025
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Sung Min Choi, Shin Hyun Kang
  • Patent number: 12248677
    Abstract: A data processing system includes data processing devices each including a computing memory and configured to perform a task; one or more host devices connected to the data processing devices, and each configured to: select one or more of the data processing devices based on meta information including a size of a memory, and sizes of the computing memories of the respective data processing devices, and request the selected processing devices to perform a first task; a network switch configured to connect the one or more host devices to the data processing devices; and a network manager in the network switch and configured to: collect free memories of the respective data processing devices based on the meta information and the sizes of the computing memories of the respective data processing devices, and control the one or more host devices to use some of the free memories.
    Type: Grant
    Filed: June 21, 2022
    Date of Patent: March 11, 2025
    Assignee: SK hynix Inc.
    Inventors: Jung Min Choi, Sun Woong Kim
  • Publication number: 20250081454
    Abstract: A semiconductor device may include: a first gate structure; a second gate structure disposed over the first gate structure; and a channel structure including a first portion extending through the first gate structure, the first portion having a tapered cross section, a second portion having a tapered cross section, and a third portion connecting the first portion with the second portion, wherein the third portion has a vertical profile, and wherein the second portion and the third portion extends through the second gate structure.
    Type: Application
    Filed: December 4, 2023
    Publication date: March 6, 2025
    Inventors: Na Yeong YANG, Ki Jun YUN, Jung Shik JANG, In Su PARK, Seok Min CHOI
  • Publication number: 20250078136
    Abstract: Proposed is a method for product recommendation by a server. The method may include receiving a gift recommendation request from a first user terminal for a second user, checking available basic information of the second user, and determining a first recommendation information based on the basic information, wherein the first recommendation information comprises a first recommendation reason and at least one product related to the first recommendation reason. The method may also include determining a second recommendation information not based on the basic information, wherein the second recommendation information comprises a second recommendation reason and at least one product related to the second recommendation reason. The method may further include providing recommendation information comprising the first and second recommendation information to the first user terminal. The first recommendation information may be prioritized for display over the second recommendation information.
    Type: Application
    Filed: August 19, 2024
    Publication date: March 6, 2025
    Inventors: Ji Hye PARK, Min Seok KIM, Min A KIM, Won Jun JANG, Do Eun KIM, Kyu Min CHOI, Andrew Ho Jun YANG, Eun Soo KIM, Young Woo CHOI, Lim Ah LEE, Hye Jin KIM, Hye Young KANG, Soo Yeon NA, Hyo Eun LEE, Min Seong KIM, Jae Heon KIM, Min Jeong KIM
  • Publication number: 20250081468
    Abstract: Provided a semiconductor memory device. The semiconductor memory device comprises a cell structure, and a peripheral circuit structure electrically connected to the cell structure. The cell structure includes a plurality of gate electrodes stacked in a vertical direction and spaced apart from each other in the vertical direction, a channel structure penetrating the plurality of gate electrodes in the vertical direction, and a bit-line connected to the channel structure. The peripheral circuit structure includes an active area, a gate structure on the active area, the gate structure intersecting the active area, a source/drain area on at least one side of the gate structure and in the active area, an insulating spacer covering the gate structure, a conductive spacer on a sidewall of the insulating spacer and electrically connected to the source/drain area, and a contact electrically connected to the conductive spacer.
    Type: Application
    Filed: August 30, 2024
    Publication date: March 6, 2025
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chang Min CHOI, Chang Heon LEE, Ju Seong MIN, Taek Kyu YOON
  • Publication number: 20250068279
    Abstract: The present embodiment relates to a touch sensing apparatus and a touch sensing method and, more specifically, to a touch sensing apparatus and a touch sensing method, which rapidly and accurately separate a multi-touch in which touch areas are adjacent to each other.
    Type: Application
    Filed: November 30, 2022
    Publication date: February 27, 2025
    Applicant: LX SEMICON CO., LTD.
    Inventors: Nu Ri KIM, Gyu Min GIL, Young Eun LEE, Sang Min CHOI
  • Publication number: 20250070423
    Abstract: A secondary battery includes positive and negative electrode terminals spaced apart on a first face of a hexahedral-shaped battery case, a nonlinear terminal body contacting the first face of the battery case and a side of the battery case extending from the first face of the battery case while enclosing one of the positive or negative electrode terminals, a terminal structure including an extension terminal electrically connected to the one of the positive or negative electrode terminals, and the extension terminal exposed on a side of the terminal structure, wherein the side of the terminal structure is seated in a recessed surface formed in the side of the battery case.
    Type: Application
    Filed: October 25, 2023
    Publication date: February 27, 2025
    Applicant: LG Energy Solution, Ltd.
    Inventors: Cheon Hee Bok, Joo Hwan Sung, Jun Min Kim, Dan Bi Jeon, Kyoung Min Choi, Ji Su Hong
  • Publication number: 20250071989
    Abstract: The present technology relates to a semiconductor memory device and a method of manufacturing the same. The semiconductor memory device includes a first stack structure, a plurality of first slits passing through the first stack structure in a vertical direction and extending in a first horizontal direction orthogonal to the vertical direction, a first source line layer contacting an a top portion of the first stack structure, a second source line layer directly contacting the first source line layer, a second stack structure contacting the second source line layer and overlapping with the first stack structure in the vertical direction, and a plurality of second slits passing through the second stack structure in the vertical direction and extending in a second horizontal direction orthogonal to the vertical direction.
    Type: Application
    Filed: December 11, 2023
    Publication date: February 27, 2025
    Inventors: Seok Min CHOI, Jung Shik JANG, Rho Gyu KWAK, In Su PARK, Won Geun CHOI, Jung Dal CHOI
  • Publication number: 20250072011
    Abstract: A memory device includes a first peripheral circuit having first page buffers is functionally divided into a cell region and a connection region. A first memory cell array positioned on the first peripheral circuit includes first bit lines that are electrically connected to the first page buffers. A second memory cell array positioned on the first memory cell array includes second bit lines, which are electrically connected to the first bit lines, respectively. The first peripheral circuit is able to make use of both memory arrays using connections between the two memory arrays.
    Type: Application
    Filed: February 22, 2024
    Publication date: February 27, 2025
    Applicant: SK hynix Inc.
    Inventors: Jung Shik JANG, Seok Min CHOI, Rho Gyu KWAK, Won Geun CHOI, In Su PARK
  • Publication number: 20250069020
    Abstract: The present invention relates to an efficient optimal facility location determination method for convex demand position demand points implemented to arrange a plurality of facilities as close as possible to given demand locations when positions of the demand locations satisfy a convex position condition. According to the efficient optimal facility location determination method for convex position demand points of the present invention, when demand locations satisfy a convex position condition, it is possible to quickly calculate a method of efficiently arranging a plurality of facilities in a very short time. In addition, according to the present invention, even if positions of demand locations do not satisfy a convex position condition, it is possible to approximate arrangement of facilities, and to be applied to various fields such as a location selection of a warehouse or data clustering.
    Type: Application
    Filed: October 27, 2023
    Publication date: February 27, 2025
    Applicant: POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Hee Kap AHN, Tae Kang EOM, Jong Min CHOI, Jae Gun LEE
  • Patent number: 12236665
    Abstract: A processor-implemented method with neural network training includes: determining first backbone feature data corresponding to each input data by applying, to a first neural network model, two or more sets of the input data of the same scene, respectively; determining second backbone feature data corresponding to each input data by applying, to a second neural network model, the two or more sets of the input data, respectively; determining projection-based first embedded data and dropout-based first view data from the first backbone feature data; and determining projection-based second embedded data and dropout-based second view data from the second backbone feature data; and training either one or both of the first neural network model and the second neural network model based on a loss determined based on a combination of any two or more of the first embedded data, the first view data, the second embedded data, the second view data, and an embedded data clustering result.
    Type: Grant
    Filed: December 14, 2021
    Date of Patent: February 25, 2025
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hee Min Choi, Hyoa Kang
  • Publication number: 20250055129
    Abstract: A polymer separator with improved charge and discharge performance and thermal stability, includes a porous polymer substrate and a coating layer formed on at least one surface of the porous polymer separator. The coating layer includes: functional group bonded to double bond-containing PVDF (DPVDE); and inorganic oxide particles bonded to the functional group.
    Type: Application
    Filed: July 26, 2024
    Publication date: February 13, 2025
    Applicant: Pukyong National University Industry-University Cooperation Foundation
    Inventors: Kie Yong CHO, Jae Won PARK, Young Je KWON, Min Jeong LEE, Gyeong Min CHOI
  • Patent number: 12222441
    Abstract: A method and structure for solving a Doppler ambiguity problem in a time-division-multiplexed (TDM) frequency modulated continuous wave (FMCW) radar apparatus are proposed. In a frame of a waveform signal transmitted by one transmitting antenna in the TDM FMCW radar apparatus, at least three consecutive chirps having different periods are included for each chirp loop. A Doppler frequency may be determined from phase difference values between the three consecutive chirps measured from an FMCW radar signal received at a receiving antenna. The at least three consecutive chirps having different periods are configured to differ in at least one of an idle time between the chirps or a ramp time of the chirp.
    Type: Grant
    Filed: January 25, 2022
    Date of Patent: February 11, 2025
    Assignee: SMART RADAR SYSTEM, INC.
    Inventors: Yong Jae Kim, Jeong Min Choi
  • Patent number: 12224433
    Abstract: A negative electrode for a lithium secondary battery includes: a negative electrode active layer provided on at least one surface of a negative electrode current collector, and including a negative electrode active material; and a coating layer disposed on the negative electrode active layer. The coating layer contains silicon-containing particles, aluminum-containing particles and a dispersant, and a volume resistance of the coating layer is about 1.0×10?4 ?·cm to 1.0 ?·cm.
    Type: Grant
    Filed: February 8, 2024
    Date of Patent: February 11, 2025
    Assignee: LG Energy Solution, Ltd.
    Inventors: Seong Kyu Lee, Suk Woo Lee, Jun Min Kim, Kyoung Min Choi
  • Patent number: 12223566
    Abstract: A method and a device for synthesizing a background and a face by considering a face shape and using a deep learning network are proposed. The method and the device are characterized to receive an input of an original image and a converted face image, remove a central part from the original image, remove edges so that a central part remains in the converted face image, and then extract a feature vector from each image to perform image synthesis.
    Type: Grant
    Filed: June 7, 2022
    Date of Patent: February 11, 2025
    Assignee: KLLEON INC.
    Inventors: Ji-Su Kang, Tae-Min Choi
  • Patent number: 12220636
    Abstract: Provided is a method and an apparatus for targeting an object in a game. The method of targeting an object in a game includes: setting a center point of a first targeting area based on a first input from a user; displaying the first targeting area surrounded by a closed curve around the center point on a screen of a user terminal; displaying a list including at least one object located in the first targeting area on the screen; and moving the first targeting area based on a second input by the user received after the first input.
    Type: Grant
    Filed: May 26, 2022
    Date of Patent: February 11, 2025
    Assignee: NCSOFT Corporation
    Inventors: Hyun Ku Kang, Kyung Hwan Kim, Jong Soo Kim, Sung Heun Bae, Won Jong Son, Hwan Eui Yang, Yong Ki Lee, Su Jae Lim, Sung Won Jang, Woo Young Cho, Won Min Choi, Jung Rok Choi
  • Publication number: 20250048904
    Abstract: A display device includes a light emitting element layer disposed on a substrate, where a plurality of emission areas is defined on the light emitting element layer, an encapsulation layer disposed on the light emitting element layer, a touch sensing layer disposed on the encapsulation layer, where the touch sensing layer includes a plurality of touch electrodes, a reflection reduction layer disposed on the touch sensing layer, and a window disposed on the reflection reduction layer. The reflection reduction layer includes a color filter layer disposed on the touch sensing layer, a bank layer disposed on the touch sensing layer between the color filter layers, a light blocking layer disposed on the bank layer, and a low refractive layer disposed on the color filter layer, and disposed adjacent to the light blocking layer.
    Type: Application
    Filed: March 20, 2024
    Publication date: February 6, 2025
    Inventors: Hoon KIM, Eon Young KIM, So Hyun SHIN, Su Min CHOI
  • Publication number: 20250041778
    Abstract: The present disclosure relates to a removable filter system for removably coupling a filter unit to an air supply unit provided in a boiler. The filter unit is detachably coupled to the air supply unit, so that after removing the contaminated filter unit coupled to the air supply unit, a new filter unit can be coupled to the air supply unit or the existing filter unit can be reused after removing contaminants remaining in the filter.
    Type: Application
    Filed: October 25, 2024
    Publication date: February 6, 2025
    Inventor: Jin Min CHOI
  • Publication number: 20250048626
    Abstract: A memory device may include a stack structure including a plurality of conductive layers and a plurality of interlayer insulating layers, which are alternately stacked along a first direction, an opening extending in the first direction from at least one conductive layer, among the plurality of conductive layers, in the stack structure, and a contact plug in the opening. The opening may include a protrusion portion protruding in a second direction intersecting the first direction.
    Type: Application
    Filed: January 15, 2024
    Publication date: February 6, 2025
    Applicant: SK hynix Inc.
    Inventors: Won Geun CHOI, Jung Shik JANG, Rho Gyu KWAK, Seok Min CHOI
  • Publication number: 20250042688
    Abstract: Provided is a method of stacking media in a media storage unit, which includes: receiving information about a length of a medium entering a media storage unit; calculating a delay time of a stopper corresponding to the length of the medium; and applying a delay time of the stopper calculated for each medium entering the media storage unit to differentially control activation of the stopper for each medium.
    Type: Application
    Filed: November 10, 2022
    Publication date: February 6, 2025
    Applicant: HYOSUNG TNS INC.
    Inventors: Jong Seong PARK, Tae Min CHOI, Byung Hyun JO