Patents Assigned to Seoul National University R&DB Foundation
  • Publication number: 20250028952
    Abstract: A processor-implemented method includes, while training a neural network (NN) using a current training mode selected from a plurality of training modes for training of the NN, measuring time data of a plurality of sub-operations for the training of the NN; based on the time data, determining a computation time to perform computation operations among the plurality of sub-operations and a communication time to perform communication operations among the plurality of sub-operations; based on a comparison result of the computation time and the communication time, selecting a next training mode from the plurality of training modes; and training the NN based on the next training mode.
    Type: Application
    Filed: December 6, 2023
    Publication date: January 23, 2025
    Applicants: Samsung Electronics Co., Ltd., Seoul National University R&DB Foundation
    Inventors: Jongwook LEE, Kyung Han LEE, Sang Hyun HAN, Tae Kyoung HAN, Young Jun HONG
  • Patent number: 12205012
    Abstract: A method of accelerating a training process of a neural network includes acquiring activations used in the training process and a bit-vector corresponding to the activations, selecting activations requiring an operation from among the acquired activations by using the bit-vector, and performing backward propagation using the selected activations and filters corresponding to the selected activations.
    Type: Grant
    Filed: August 26, 2019
    Date of Patent: January 21, 2025
    Assignees: Samsung Electronics Co., Ltd., Seoul National University R&DB Foundation
    Inventors: Seungwon Lee, Hanmin Park, Gunhee Lee, Namhyung Kim, Joonsang Yu, Kiyoung Choi
  • Patent number: 12205267
    Abstract: A pattern inspection method includes converting sample patterns of a sample image into training images, extracting feature values of the training patterns, setting feature vectors of the training patterns on the basis of the feature values, converting the feature vectors into Gaussian vectors, clustering the Gaussian vectors, thereby sorting the Gaussian vectors into clusters, selecting a select vector from each of the clusters, storing, as a pattern model, the training pattern corresponding to the select vector in a database, converting a target pattern of a target image into an inspection pattern on the basis of the pattern model, and inspecting the inspection pattern.
    Type: Grant
    Filed: May 5, 2022
    Date of Patent: January 21, 2025
    Assignees: Seoul National University R&DB Foundation
    Inventors: Nohong Kwak, Donyun Kim, Kihyun Kim, Yunhyoung Nam
  • Patent number: 12197278
    Abstract: A system with fault recovery includes: a plurality of worker nodes configured to perform distributed training; and a master node configured to control the plurality of worker nodes, wherein the master node is configured to: detect a fault of the plurality of worker nodes based on a predetermined period; adjust a collective communication participant list in response to the detecting of the fault; and transmit the adjusted participant list to one or more worker nodes in the adjusted participant list.
    Type: Grant
    Filed: September 28, 2022
    Date of Patent: January 14, 2025
    Assignees: Samsung Electronics Co., Ltd., Seoul National University R&DB Foundation
    Inventors: Yongdeok Kim, Kyung Geun Lee, Jeong Yoon Eo, Byung Gon Chun, Ahn Jae Shin
  • Publication number: 20250015342
    Abstract: An all-solid-state battery and a method of manufacturing an all solid-state battery are disclosed. The all solid-state battery includes a metal oxide and a metal capable of alloying with lithium, thus uniformly depositing lithium during charging and enabling operation at room temperature (e.g., 20-25° C.).
    Type: Application
    Filed: December 6, 2023
    Publication date: January 9, 2025
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, Seoul National University R&DB Foundation
    Inventors: Ji Young Kim, Kyu Joon Lee, Ga Hyeon Im, Ki Yoon Bae, Yun Sung Kim, Sam Ick Son, Jang Wook Choi, Ji Eun Lee, Ye Eun Sohn, Ji Hoon Oh, Tae Guen Lee, Noh Joon Lee
  • Patent number: 12189028
    Abstract: A semiconductor device includes a signal conversion circuit configured to convert a sensing current provided from a sensing element into a sensing voltage; an analog-to-digital converter (ADC) configured to convert the sensing voltage to a digital value; and a driving circuit configured to drive a light emitting element, wherein the ADC generates a digital value corresponding to proximity to an object by performing a primary operation comparing a ramp signal varying with time and the sensing voltage while the light emitting element is not driven and a secondary operation comparing the ramp signal and the sensing voltage while the light emitting element is driven.
    Type: Grant
    Filed: April 11, 2022
    Date of Patent: January 7, 2025
    Assignee: Seoul National University R&DB Foundation
    Inventors: Hyunjong Kim, Cyuyeol Rhee, Suhwan Kim
  • Patent number: 12186365
    Abstract: The present invention relates to a composition for regulating cell division by promoting or inhibiting the activity of FCHo1, and a method for regulating cell division using the same. The FCHo1 activity regulator of the present invention targets FCHo1 which functions as an important factor in cell division, and promotes or inhibits the activity thereof, thereby promoting cell division or inhibiting cell division, and thus can be effectively utilized for the treatment of diseases associated with cell division.
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: January 7, 2025
    Assignees: Seoul National University R&DB Foundation, The IAC in Chungnam National University, UIC Group of Kyung Hee University
    Inventors: Myung Haing Cho, Sung Jin Park, Jong Sun Park, Kwang Pyo Kim
  • Patent number: 12191831
    Abstract: An amplifying device includes a main amplifier; a first feedback circuit coupled between an input terminal of the main amplifier and an output terminal of the main amplifier; an input coupling circuit coupled between the input terminal of the main amplifier and a first node; and an amplifying feedback circuit coupled between the output terminal of the main amplifier and the first node, wherein the first feedback circuit and the amplifying feedback circuit are negative feedback circuits.
    Type: Grant
    Filed: February 3, 2022
    Date of Patent: January 7, 2025
    Assignee: Seoul National University R&DB Foundation
    Inventors: Junyoung Park, Suhwan Kim
  • Publication number: 20250007235
    Abstract: Hyper-radiance laser generation systems and hyper-radiance laser generation methods are disclosed. A disclosed hyper-radiance laser generation system may include a laser resonator including first and second mirror members arranged to face each other, a nanohole defining member disposed on one side of the laser resonator and where at least one nanohole opened toward an internal space between the first and second mirror members is formed, an atomic beam irradiance member which irradiates a plurality of atoms so that they may pass through the nanohole and into the internal space, a first laser pump which generates a first laser beam to be irradiated to the plurality of atoms in any one of a region between the atomic beam irradiance member and the nanohole defining member, and a region between the nanohole defining member and the laser resonator.
    Type: Application
    Filed: July 5, 2022
    Publication date: January 2, 2025
    Applicant: Seoul National University R&DB Foundation
    Inventors: Kyungwon AN, Junseok HAN, Jinuk KIM, Seunghoon OH, Gibeom SON, Junseo HA
  • Publication number: 20250002786
    Abstract: Disclosed are a liquid crystal elastomer precursor solution material and a photopolymerization apparatus for preparing a liquid crystal elastomer with the solution material, in which the liquid crystal elastomer precursor solution material includes photocurable reactive mesogen, EDDET (2,2?-(ethylenedioxy)diethanethiol), and 5CB (4-cyano-4-pentylbiphenyl).
    Type: Application
    Filed: May 25, 2023
    Publication date: January 2, 2025
    Applicant: Seoul National University R&DB Foundation
    Inventors: Howon LEE, Sehui JEONG
  • Patent number: 12175962
    Abstract: An apparatus and a method for controlling a vehicle sound are provided. The apparatus a detection device that detects driving information and drive mode setting information and a processing device electrically connected with the detection device. The processing device determines an emotional state of a driver based on at least one of the driving information or the drive mode setting information, determines a sound concept depending on the emotional state of the driver, and controls a vehicle sound depending on the sound concept.
    Type: Grant
    Filed: May 25, 2022
    Date of Patent: December 24, 2024
    Assignees: Hyundai Motor Company, Kia Corporation, Seoul National University R&DB Foundation
    Inventors: Ki Chang Kim, Dong Chul Park, Myung Hwan Yun, Sung Ho Kim
  • Patent number: 12175376
    Abstract: A processor-implemented method of a neural network includes obtaining intermediate pooling results, respectively corresponding to sub-pooling kernels obtained by decomposing an original pooling kernel, by performing a pooling operation on input pixels included in a current window in an input feature map with the sub-pooling kernels, obtaining a final pooling result corresponding to the current window by post-processing the intermediate pooling results, and determining an output pixel value of an output feature map, based on the final pooling result, wherein the current window is determined according to the original pooling kernel having been slid, according to a raster scan order, in the input feature map.
    Type: Grant
    Filed: March 18, 2023
    Date of Patent: December 24, 2024
    Assignees: Samsung Electronics Co., Ltd., Seoul National University R&DB Foundation
    Inventors: Hyunsun Park, Soonhoi Ha, Donghyun Kang, Jintaek Kang
  • Patent number: 12173444
    Abstract: Disclosed is a clothes treatment apparatus. The clothes treatment apparatus of the present disclosure may comprise: a cabinet; a drum rotatably provided in the cabinet; an induction heater which is disposed outside the drum and heats the drum; a magnet which is fixed to the drum and of which a residual magnetic flux density changes depending on temperature; and a coil fixed to the outside of the drum and disposed at a position overlapping the magnet in the longitudinal direction of the central axis of rotation of the drum.
    Type: Grant
    Filed: March 16, 2021
    Date of Patent: December 24, 2024
    Assignees: LG Electronics Inc., Seoul National University R&DB Foundation
    Inventors: Taewoong Kong, Chaseung Jun, Sangwook Hong, Seungki Sul, Joohyun Lee, Hwigon Kim
  • Publication number: 20240411030
    Abstract: A method of calibrating a global navigation satellite system (GNSS) antenna includes obtaining GNSS measurement data corresponding to a plurality of directions that correspond to a plurality of respective postures of the electronic device, generating integration data by combining the GNSS measurement data corresponding to the plurality of directions, and performing calibration of the GNSS antenna based on the integration data.
    Type: Application
    Filed: January 25, 2024
    Publication date: December 12, 2024
    Applicants: Samsung Electronics Co., Ltd., Seoul National University R&DB Foundation
    Inventors: Bogeun Cho, Changdon Kee, Jongheon Kim, Bugyeom Kim
  • Patent number: 12166066
    Abstract: A thin film laminate structure, an integrated device including the same, and a method of manufacturing the thin film laminate structure are provided. The thin film laminate structure includes two or more dielectric layers, wherein at least one of the dielectric layers of the thin film laminate structure includes a compound represented by Formula 1 and having a perovskite-type crystal structure having a B/B? composition ratio different from that of a remainder of the dielectric layers: AB1-xB?xO3??<Formula 1> wherein, in Formula 1, A, B, B?, and x are the same as defined in the specification.
    Type: Grant
    Filed: July 8, 2021
    Date of Patent: December 10, 2024
    Assignees: Samsung Electronics Co., Ltd., Seoul National University R&DB Foundation
    Inventors: Kiyoung Lee, Kookrin Char, Byunghoon Na, Hahoon Lee, Dowon Song
  • Publication number: 20240385342
    Abstract: An apparatus and method for optimizing a subsurface velocity model are provided to be able to optimize a velocity model by applying the Gauss Newton method through parameterization of the velocity model in exploration seismology.
    Type: Application
    Filed: April 3, 2024
    Publication date: November 21, 2024
    Applicant: Seoul National University R&DB Foundation
    Inventor: Chang Soo SHIN
  • Publication number: 20240386278
    Abstract: A method and device for performing continual learning are provided. The method of performing continual learning of tasks in a set of tasks includes learning a first model based on training data corresponding to a current task in the set of tasks, learning a second model based on information on the current task and information on a previous learning task in the set of tasks, and resetting the first model.
    Type: Application
    Filed: May 14, 2024
    Publication date: November 21, 2024
    Applicants: SAMSUNG ELECTRONICS CO., LTD., Seoul National University R&DB Foundation
    Inventors: Hong Joon AHN, Jinu HYEON, Tae Sup MOON
  • Publication number: 20240386533
    Abstract: An electronic device includes: one or more processors configured to: generate a transformed frequency image by transforming an input image into a frequency domain; obtain a frequency filter corresponding to the input image by inputting the generated transformed frequency image to a filter generation neural network; and generate an output image in which a noise distribution of the input image is normalized by applying the obtained frequency filter to the generated transformed frequency image.
    Type: Application
    Filed: November 15, 2023
    Publication date: November 21, 2024
    Applicants: Samsung Electronics Co., Ltd., Seoul National University R&DB Foundation
    Inventors: Jaehyoung YOO, Donghun RYOU, Hyewon YOO, Bohyung HAN
  • Patent number: 12149604
    Abstract: Disclosed is a calculation device. The present calculation device includes: a memory for storing a plurality of homomorphic ciphertexts for an approximate message including an error; and a processor for sorting the plurality of homomorphic ciphertexts by using a 5-way sorter which can sort five homomorphic ciphertexts in a single stage.
    Type: Grant
    Filed: June 5, 2020
    Date of Patent: November 19, 2024
    Assignees: Crypto Lab Inc., Seoul National University R&DB Foundation
    Inventors: Jung Hee Cheon, Seungwan Hong
  • Publication number: 20240376163
    Abstract: The present invention relates a peptide for inhibiting calcineurin and use thereof. The peptide for inhibiting calcineurin, the pharmaceutical composition for immunosuppression including the peptide for inhibiting calcineurin as an active ingredient, the pharmaceutical composition for preventing or treating immune diseases or inflammatory diseases including the peptide for inhibiting calcineurin as an active ingredient, and the health functional food composition for preventing or ameliorating immune diseases or inflammatory diseases of the present invention may specifically inhibit the calcineurin-NFAT pathway, have excellent binding ability to calcineurin, and have excellent in vivo stability. In addition, they may not inhibit the enzymatic activity of calcineurin.
    Type: Application
    Filed: May 9, 2024
    Publication date: November 14, 2024
    Applicant: Seoul National University R&DB Foundation
    Inventors: Hong Duk YOUN, Sang Ho LEE