Patents Assigned to Seoul National University R&DB Foundation
  • Publication number: 20240169727
    Abstract: A processor-implemented method includes generating respective final feature vectors of a plurality of frames of time-series data, while sequentially processing the plurality of frames by using a neural network comprising a plurality of layers, determining a class of the time-series data based on at least one final feature vector of the respective final feature vectors, generating a reference feature vector based on the at least one final feature vector, calculating a similarity score between the reference feature vector and a feature vector of at least one second frame, wherein the second frame includes a non-final feature frame where the final feature vector is not generated, and determining the at least one second frame to be the frame corresponding to the class, based on a result of comparing the similarity score and a threshold value.
    Type: Application
    Filed: July 20, 2023
    Publication date: May 23, 2024
    Applicants: SAMSUNG ELECTRONICS CO., LTD., Seoul National University R&DB Foundation
    Inventors: Bohyung HAN, Jong Hyeon SEON
  • Publication number: 20240170918
    Abstract: An embodiment of the present invention provides a photonic crystal semiconductor laser device including an n-type clad layer formed on a first surface of an n-type first substrate, a guide layer formed on the n-type clad layer and including an active layer, a p-type clad layer formed on the guide layer, a p-type contact layer formed on the p-type clad layer, a p-type electrode layer formed on the p-type contact layer, and an n-type electrode layer contacting at least a portion of the first surface of the n-type first substrate or a second surface opposing the first surface, wherein holes penetrating the p-type contact layer, the p-type clad layer, the guide layer including the active layer, and the n-type clad layer are formed in the p-type contact layer, the p-type clad layer, the guide layer including the active layer, and the n-type clad layer, and the holes form a photonic crystal pattern.
    Type: Application
    Filed: March 17, 2022
    Publication date: May 23, 2024
    Applicant: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Heonsu JEON, Myeong Eun KIM
  • Publication number: 20240170770
    Abstract: A power supply apparatus includes: an air supply part provided to supply air; a dehumidification part configured to remove moisture in the air supplied from the air supply part; an oxygen concentration part including a first oxygen concentration member, a second oxygen concentration member, and a vacuum pump configured to separate and concentrate oxygen from the air; a battery part including a lithium-air battery and configured to be supplied with the concentrated oxygen from the oxygen concentration part; and a controller. The controller is configured to, in response to discharging the lithium-air battery, generate the concentrated oxygen to be supplied to the lithium-air battery by driving one of the first oxygen concentration member or the second oxygen concentration member and regenerate the other of the first oxygen concentration member or the second oxygen concentration member by driving the vacuum pump while the concentrated oxygen is generated.
    Type: Application
    Filed: June 7, 2023
    Publication date: May 23, 2024
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Hoimin Kwon, Youngsuk Cho, Suhyun Kim, Kyounghan Ryu, Yeongho Lee, Jinyoung Park, Yooil Lee, Minsoo Kim
  • Patent number: 11986803
    Abstract: A partial oxidation process of hydrocarbons is provided, including bringing an inlet gas into contact with a catalyst, the inlet gas including a hydrocarbon raw material gas and a hydrogen chloride gas, wherein the catalyst includes a catalyst material including palladium (Pd), which catalyst material is supported on a carrier including cerium oxide (CeO2) and an amount of catalyst material supported on the carrier is 2 wt % to 10 wt % based on a total weight of the catalyst.
    Type: Grant
    Filed: March 13, 2019
    Date of Patent: May 21, 2024
    Assignees: LG CHEM, LTD., SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Jungup Bang, Do Heui Kim, Gyo Hyun Hwang, Jongwook Jung, Yongju Bang, Youngseok Ryou, Jeongeun Kim
  • Patent number: 11986693
    Abstract: The present invention relates to a wearable device using a flexible non-powered variable impedance mechanism, wherein the device can induce a user to have a correct posture during a squat exercise or lifting work, and can assist the user's muscular strength. According to the present invention, an angle between a (1-1)th lower string and a (1-2)th lower string and an angle between a (24)th lower string and a (2-2)th lower string change according to a knee angle depending on the user's posture, whereby an impedance mechanism that the user feels through the body changes.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: May 21, 2024
    Assignee: Seoul National University R&DB Foundation
    Inventors: Kyu-Jin Cho, Sung-Sik Yun
  • Patent number: 11987645
    Abstract: A peptide for treating rheumatoid arthritis and use thereof are provided, and a peptide consisting of an amino acid sequence of SEQ ID NO: 1, SEQ ID NO: 3, or SEQ ID NO: 5 or a polynucleotide encoding the same, and a pharmaceutical composition for treating rheumatoid arthritis or a health functional food composition for improving rheumatoid arthritis, each including the peptide, are provided.
    Type: Grant
    Filed: July 2, 2019
    Date of Patent: May 21, 2024
    Assignee: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Yeong Wook Song, Joo Youn Lee, Eugene C. Yi, Min Jueng Kang
  • Patent number: 11987693
    Abstract: Biochemical carriers are provided. Each of the biochemical carriers includes: biochemical molecules having a sequence into which digital data information is encoded; a carrier particle composed of a polymer matrix and in which the biochemical molecules are connected to the surface or inside of the polymer matrix; and an index code introduced into the carrier particle. Also provided is a method for fabricating biochemical carriers. The fabrication method includes: encoding digital data into a sequence of biochemical molecules; synthesizing the biochemical molecules based on the encoded sequence; mixing the biochemical molecules with a photocurable material; curing the mixture to obtain carrier particles including a polymer matrix; and introducing an index code into the carrier particles simultaneously with or separately from the curing. Also provided is a method for restoring digital data from the biochemical carrier.
    Type: Grant
    Filed: October 10, 2017
    Date of Patent: May 21, 2024
    Assignees: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION, UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
    Inventors: Sung Hoon Kwon, Wook Park, Yeong Jae Choi, Hyung Jong Bae, Tae Hoon Ryu, Suk Heung Song
  • Patent number: 11990680
    Abstract: The array antenna system according to an embodiment includes an active radiation layer including a plurality of unit cells and a control circuit to control properties of each unit cell, a plurality of patch antennas placed on each unit cell, and a feed line to feed waves for excitation of the plurality of patch antennas through the active radiation layer, wherein each unit cell is controlled to have different radiation properties by the control circuit, and beam steering and impedance control of the array antenna system is enabled by control of the active radiation layer. According to the embodiment, power consumption is much lower than the existing beamforming circuit, and the using of the single feed line reduces the complexity of system design.
    Type: Grant
    Filed: March 18, 2021
    Date of Patent: May 21, 2024
    Assignee: Seoul National University R&DB Foundation
    Inventors: Jungsuek Oh, Jaehoon Kim
  • Publication number: 20240162968
    Abstract: Disclosed is a beam failure recovery method of a base station in a wireless communication system using an RIS. The beam failure recovery method may include configuring a candidate beam set, based on a measured RSRP value in beam sweeping using an antenna, establishing a communication link with a UE through a main beam having the measured RSRP value exceeding a predetermined threshold in the configured candidate beam set, selecting a beam, based on the measured RSRP value, from an SSB to which the main beam belongs and an SSB to which the main beam does not belong when beam failure occurs in the established communication link, and recovering the beam failure with the UE through the selected beam. Accordingly, beam failure recovery may be more effectively performed.
    Type: Application
    Filed: November 14, 2023
    Publication date: May 16, 2024
    Applicant: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Wan CHOI, Jin Kyu LEE, Jae Young PARK, Kwang Jae LEE
  • Publication number: 20240155741
    Abstract: A substrate processing apparatus includes a chamber providing a space configured to process a substrate and a heating plate arranged within the chamber, the heating plate including a substrate plate configured to support the substrate and having a first region, a second region and a third region sequentially arranged in a radial direction from a center of the substrate plate, and a liquid metal pattern patterned on the substrate plate and extending on the first region, the second region and the third region, the substrate plate being stretchable.
    Type: Application
    Filed: April 25, 2023
    Publication date: May 9, 2024
    Applicants: Samsung Electronics Co., Ltd., SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Chulmin CHO, Seunghwan KO, Wooseop SHIN, Minwoo KIM, Kyoungwhan OH
  • Publication number: 20240152762
    Abstract: Disclosed herein are a multi-target analysis apparatus and method. The multi-target analysis apparatus includes: an input/output interface configured to receive data and output the results of computation of the data; storage configured to store a program for performing a multi-target analysis method; and a controller provided with at least one process, and configured to analyze multiple targets received through the input/output interface by executing the program. The controller is further configured to: collect instruction-target pairs in each of which an instruction and state information for a target are matched with each other so that the target is specified through the instruction, and generate an instruction-target set having a plurality of instruction-target pairs; and train a reinforcement learning-based learning model configured to receive the instruction for the target and the state information for the target and output action information by referring to the instruction-target set.
    Type: Application
    Filed: October 20, 2023
    Publication date: May 9, 2024
    Applicant: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Byoung-Tak ZHANG, Kibeom KIM, Hyundo LEE, Min Whoo LEE, Dong-Sig HAN, Minsu LEE
  • Publication number: 20240151728
    Abstract: The disclosure relates to a fluorescence resonance energy transfer (FRET)-based biosensor for sensing chimeric antigen receptor (CAR) activity and use thereof, and in particular, to a FRET-based biosensor, which simultaneously detects binding of an antigen-binding receptor domain to a cancer antigen and consequent activation of T cells, and a method of screening for CAR activity in a live cell by using the FRET-based biosensor.
    Type: Application
    Filed: October 16, 2023
    Publication date: May 9, 2024
    Applicants: Korea Institute of Science and Technology, SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Jihye SEONG, Mihue Jang, Haenim Lee, Hyejin Yoo, Chang-Han Lee, Jiyun Jeong, Hang-Rae Kim, Soojin Lee
  • Patent number: 11974940
    Abstract: Provided is a mandibular advancement system including: an upper teeth seating part on which upper teeth of a user is placed; a lower teeth seating part on which lower teeth of the user is placed; a driver connected to the upper teeth seating part and the lower teeth seating part and configured to change a relative location of the lower teeth seating part with respect to the upper teeth seating part; a detector configured to detect biometric information of the user; and a controller configured to control driving of the driver based on the biometric information provided by the detector, wherein the driver is disposed outside an oral cavity of the user.
    Type: Grant
    Filed: April 2, 2020
    Date of Patent: May 7, 2024
    Assignee: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventor: Hyun Woo Shin
  • Patent number: 11978146
    Abstract: The present invention relates to a three-dimensional reconstructing method of a 2D medical image. A three-dimensional reconstructing device includes: a communicator for receiving sequential 2D images with an arbitrary slice gap; a sliced image generator for generating at least one sliced image positioned between the 2D images based on a feature point of the adjacent 2D images; and a controller for reconstructing the 2D image into a 3D image by use of the generated sliced image and providing the 3D image.
    Type: Grant
    Filed: September 18, 2019
    Date of Patent: May 7, 2024
    Assignee: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Dong Young Lee, Yu Kyeong Kim, Jae Sung Lee, Min Soo Byun, Seong A Shin, Seung Kwan Kang
  • Publication number: 20240139436
    Abstract: A method of controlling injection of a drug includes receiving a captured medical image of an object, identifying an object of interest from the medical image, based on a position and a shape of the object of interest, determining a drug injection position, based on the position and the shape of the object of interest, determining a plurality of electrode insertion positions, the plurality of electrodes being configured to supply a current to move the drug, defining a drug movement path based on a shape of the identified object of interest, generating current sequence information to move the drug along the drug movement path, the current sequence information defining a current applied over time to each of the plurality of electrodes, and outputting the current sequence information to a current source apparatus.
    Type: Application
    Filed: October 30, 2023
    Publication date: May 2, 2024
    Applicants: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION, UIF (UNIVERSITY INDUSTRY FOUNDATION), YONSEI UNIVERSITY, IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
    Inventors: Young Bin Choy, Han Bi Ji, Chang Hee Min, Jae Hoon Han, Won Seok Chang, Jun Won Park, Chang-Hwan Im, Kyeong-Gu Lee
  • Publication number: 20240145719
    Abstract: A binder solution for an all-solid-state battery, an electrode slurry for an all-solid-state battery including the same and a method of manufacturing an all-solid-state battery using the same, and more particularly to a binder solution for an all-solid-state battery, in which a polymer binder configured such that a non-polar functional group is bonded to the end of a polar functional group is used, whereby the polar functional group is provided by a deprotection mechanism of the polymer binder through a thermal treatment, thus increasing adhesion between electrode materials to thereby improve battery capacity and enabling a wet process to thereby reduce manufacturing costs, an electrode slurry for an all-solid-state battery including the same and a method of manufacturing an all-solid-state battery using the same.
    Type: Application
    Filed: January 10, 2024
    Publication date: May 2, 2024
    Applicants: HYUNDAI MOTOR COMPANY, Kia Corporation, Seoul National University R&DB Foundation
    Inventors: Sang Mo Kim, Sang Heon Lee, Yong Sub Yoon, Jae Min Lim, Ju Yeong Seong, Jin Soo Kim, Jang Wook Choi, Kyu Lin Lee, Ji Eun Lee
  • Publication number: 20240146312
    Abstract: A frequency multiplier includes a first digitally controlled delay line (DCDL) configured to receive a first clock signal and generate a second clock signal by changing a phase of the first clock signal, a multiplying delay-locked loop (MDLL) configured to generate a third clock signal by multiplying a frequency of the second clock signal, and a DCDL calibration circuit configured to receive the second clock signal and generate a gain signal for adjusting a gain of the first DCDL where a difference between a maximum delay and a minimum delay of the first DCDL is substantially equal to a period of the third clock signal.
    Type: Application
    Filed: October 4, 2023
    Publication date: May 2, 2024
    Applicant: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Wooseok CHOI, Joonghyun 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: 20240135147
    Abstract: A device including processors configured to execute instructions and memories storing the instructions, which when executed by the processors configure the processors to perform an operation for training a transformer model having a plurality of encoders and a plurality of decoders by configuring the processors to identify the batches of training data into a plurality of micro-batches, select layer pairs for the plurality of micro-batches, assemble a processing order of the layer pairs, determining resource information to be allocated to the layer pairs, and allocate resources to the layer pairs based on the determined resource information to be allocated to the layer pairs, dependent con the processing order of the layer pairs.
    Type: Application
    Filed: August 15, 2023
    Publication date: April 25, 2024
    Applicants: SAMSUNG ELECTRONICS CO., LTD., Seoul National University R&DB Foundation
    Inventors: Jung Ho AHN, Sun Jung LEE, Jae Wan CHOI
  • Publication number: 20240137981
    Abstract: An operating method of an access point (AP) multi-link device (MLD) is provided. The operating method includes: based on at least one non-AP MLD and at least one single link device (SLD) attempting channel access through a first link of the AP MLD, identifying a contention window of the at least one non-AP MLD, based on a ratio of, with respect to the first link, an idle time of the at least one non-AP MLD to an idle time of the at least one SLD; and transmitting a beacon frame including information about the contention window to the at least one non-AP MLD.
    Type: Application
    Filed: October 13, 2023
    Publication date: April 25, 2024
    Applicants: Samsung-ro Electronics Co, Ltd., Seoul National University R &DB Foundation.
    Inventors: Jonghun Han, Saewoong Bahk, Jongyeon Park