Patents Assigned to Seoul National University R&DB Foundation
  • 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
  • Patent number: 12141496
    Abstract: The present invention relates to an optical element capable of simultaneously outputting sound from the surface of a display device with an image, the optical element comprising: a first electrode member; a first dielectric elastomer layer disposed on the first electrode member; a second electrode member disposed on the first dielectric elastomer layer; and an optical crystal layer disposed on the second electrode member. Accordingly, in the present invention, image and sound are implemented simultaneously, and thus, it is possible to prevent defects due to mismatching of the image and the sound, and a separate sound system is not required when the display device is manufactured using the optical element, thereby making it possible to reduce components of an electronic product including the display device and reduce the manufacturing cost.
    Type: Grant
    Filed: May 14, 2019
    Date of Patent: November 12, 2024
    Assignees: LG Display Co., Ltd., Seoul National University R&DB Foundation
    Inventors: Jeong Yun Sun, Jeong Min Moon, Su Seok Choi, Sungpil Ryu, Jihwan Jung, Kiseok Chang, Do Yoon Kim, Hyesung Cho
  • Patent number: 12142924
    Abstract: Embodiments of the present application relate to a bidirectional DC/AC power conversion system having multiple DC links, which comprises: a main DC link; at least one auxiliary DC link including at least one of a first auxiliary DC link having a positive terminal connected to a positive terminal of the main DC link and a second auxiliary DC link having a negative terminal connected to a negative terminal of the main DC link; and a plurality of cells connected in series to form one or more legs.
    Type: Grant
    Filed: November 15, 2021
    Date of Patent: November 12, 2024
    Assignee: Seoul National University R&DB Foundation
    Inventors: Seung-Ki Sul, Sanggi Ko, Shenghui Cui
  • Publication number: 20240369676
    Abstract: An electronic device includes an antenna configured to receive an orthogonal frequency division multiplex (OFDM) signal reflected from a target vehicle, and processing circuitry configured to estimate a first state vector and a first covariance matrix based on initial state information, the initial state information being received from a target vehicle via a wireless connection, calculate a Kalman gain matrix based on the first state vector and the first covariance matrix, calculate a correction factor based on a statistical characteristic of a discrete observation vector, and update the first state vector and the first covariance matrix based on the correction factor to obtain a second state vector and a second covariance matrix.
    Type: Application
    Filed: April 24, 2024
    Publication date: November 7, 2024
    Applicants: Samsung Electronics Co., Ltd., Seoul National University, R&DB Foundation
    Inventors: Seonghwan HYUN, Seongcheol KIM
  • Publication number: 20240362343
    Abstract: A homomorphic operation system according to an embodiment includes a homomorphic encryption device configured to output a first ciphertext data generated based on a first base, a homomorphic encryption server including a storage device storing base conversion table configured to convert ciphertext data based on the first base into a second ciphertext data based on a second base and the first ciphertext data received from the homomorphic encryption device, and a homomorphic encryption operation device configured to perform a predetermined operation using the base conversion table on the first ciphertext data to convert the first ciphertext data into the second ciphertext data based on the second base.
    Type: Application
    Filed: December 26, 2023
    Publication date: October 31, 2024
    Applicant: Seoul National University R&DB Foundation
    Inventors: HANBYEUL NA, SANGPYO KIM, JONGMIN KIM, JUNG HO AHN, DONG-MIN SHIN
  • Patent number: 12129653
    Abstract: A variable assembly PC member includes: a plurality of hollow PC modules, each of which has an upper flange and a lower flange spaced apart from each other, and a pair of webs connecting both ends of the upper flange and the lower flange to form a hollow therein; and connectors connecting the plurality of hollow PC modules with each other in the width direction.
    Type: Grant
    Filed: August 3, 2022
    Date of Patent: October 29, 2024
    Assignees: Seoul National University R&DB Foundation, EURO ENGINEERING CO., LTD.
    Inventors: Thomas Hyun Koo Kang, Keun Sam Kim
  • Patent number: 12122812
    Abstract: Disclosed are a method for preparing a biomaterial having selectively functionalized tyrosine, a biomaterial having selectively functionalized tyrosine, and a pharmaceutical composition containing same as an active ingredient. The method for preparing a biomaterial to which a compound represented by chemical formula 2 is coupled, of the present invention, allows the compound represented by chemical formula 2 to be selectively coupled, in a high yield in a biomaterial, to tyrosine, which is present on the surface of an aqueous solution such that the coupling thereof to amino acids other than tyrosine does not occur and, when only one tyrosine is present, heterogeneous mixtures are not present and the inherent activity of the biomaterial is maintained, and thus the compound can be effectively used as a pharmaceutical composition containing a biomaterial drug as an active ingredient.
    Type: Grant
    Filed: March 5, 2019
    Date of Patent: October 22, 2024
    Assignee: Seoul National University R&DB Foundation
    Inventors: Byeong Moon Kim, Yan Lee, Eun Joung Choi, Dongwook Jung
  • Patent number: 12124882
    Abstract: Disclosed are a method and an electronic apparatus including an accelerator for lightweight and parallel accelerator task scheduling. The method includes pre-running a deep learning model with sample input data having a preset data form and generating a scheduling result through the pre-running.
    Type: Grant
    Filed: November 12, 2021
    Date of Patent: October 22, 2024
    Assignee: Seoul National University R&DB Foundation
    Inventors: Byung-Gon Chun, Gyeongin Yu, Woosuk Kwon
  • Patent number: 12117985
    Abstract: A host, a storage system, and an operating method of the host are provided. The host includes a host memory configured to store a tree structure including a leaf node and an index node, an index management module configured to manage an index based on the tree structure and generate a first log corresponding to the leaf node based on a first update request corresponding to a first key-value entry included in the leaf node, and a device driver configured to generate a first write command corresponding to the first log and transmit the generated first write command to a key-value storage device, so as to store the first log in the key-value storage device. The index management module is configured to generate a first new key-value entry, the first new-key value entry including a first value updated based on the first update request, as the first log.
    Type: Grant
    Filed: August 2, 2022
    Date of Patent: October 15, 2024
    Assignees: Samsung Electronics Co., Ltd., Seoul National University R&DB Foundation, Research & Business Foundation Sungkyunkwan University
    Inventors: Jin-Soo Kim, Jaehoon Shim, Carl Duffy
  • Patent number: 12109620
    Abstract: The present invention relates to a method for preparing a core-gap-shell nanoparticle having an average height of 0.1 nm to 10 nm, in which a Raman-active material is disposed between a core and a shell, and more specifically, to a method for preparing a core-gap-shell nanoparticle, which comprises introducing a shell made of an alloy of a second metal and a third metal, on the core particles of the first metal, the surface of which is modified with a Raman-active material; selectively removing the second metal by treating with a second metal etchant, followed by dealloying; the core-gap-shell nanoparticle prepared by the above method comprising a Raman-active material disposed in the gap, and uses of the core-gap-shell nanoparticle for biosensing and/or bioimaging.
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: October 8, 2024
    Assignees: Seoul National University R&DB Foundation, Bionano Health Guard Research Center
    Inventors: Jwa-Min Nam, Minho Kim, Sung Min Ko