Patents Assigned to Seoul National University R&DB Foundation
  • Publication number: 20240269666
    Abstract: A microdroplet ejection apparatus is provided, the apparatus including an inlet port through which a suspension is movable in one direction, a nozzle including a nozzle cover connected to the inlet port and formed of a transparent material, a nozzle body connected to the nozzle cover and configured to eject the suspension, and a nozzle base formed of a transparent material and provided on an opposite side of the nozzle cover with respect to the nozzle body, an outlet port connected to the nozzle cover and configured to emit the suspension remaining after the suspension is ejected from the nozzle from the suspension to an outside of the nozzle, and a piezo actuator attached to one surface of the nozzle cover or one surface of the nozzle base and driven so that the suspension ejects from the nozzle body by applying pressure to the attached surface.
    Type: Application
    Filed: December 15, 2023
    Publication date: August 15, 2024
    Applicant: Seoul National University R&DB Foundation
    Inventors: Ho-Young Kim, Hyun-Woo Kim
  • Publication number: 20240273218
    Abstract: An apparatus with a neural network operation of homomorphic encrypted data includes: one or more processors configured to: generate homomorphic conjugation data of encrypted data based on the encrypted data, wherein the encrypted data corresponds to an output of each of a plurality of layers included in a neural network; and remove noise of the encrypted data based on the encrypted data and the homomorphic conjugation data.
    Type: Application
    Filed: October 31, 2023
    Publication date: August 15, 2024
    Applicants: Samsung Electronics Co., Ltd., Seoul National University R&DB Foundation, Daegu Gyeongbuk Institute of Science and Technology, Industry Academic Cooperation Foundation, Chosun University
    Inventors: Jong Seon NO, Eun Sang LEE, Joon Woo LEE, Young Sik KIM, Yongjune KIM, Jung Hyun LEE
  • Publication number: 20240273376
    Abstract: A method and device with transferal of reinforcement learning are disclosed. The method includes: approximating an optimal value-function for a task vector using a value approximator trained to output a minimum value-function using a state of an agent and source task vectors; determining an upper bound of the optimal value-function for the task vector; determining a lower bound of the optimal value-function for the task vector; correcting the optimal value-function for the task vector based on the upper bound and the lower bound; and determining an optimal policy for the task vector using the corrected optimal value-function for the task vector.
    Type: Application
    Filed: September 27, 2023
    Publication date: August 15, 2024
    Applicants: SAMSUNG ELECTRONICS CO., LTD., Seoul National University R&DB Foundation
    Inventors: Minsu KO, Jae Kyeom KIM, Gun Hee KIM, Seo Hong PARK, Sungjoo SUH
  • Publication number: 20240254636
    Abstract: Disclosed herein is a technique for synthesizing chiral magnetic nanocoils using an electrodeposition technique, which can be used to fabricate magnetic nanosensors capable of generating an electric field by strongly reacting to an external magnetic field, such as Faraday's law of electromagnetic induction at the nanoscale, depending on the coil shape of the nanostructure. In accordance with one embodiment, a method of synthesizing a chiral magnetic nanocoil may include generating a primary particle composed of metal ions by applying an external electric field, binding a chiral molecule to a surface of the generated primary particle, and controlling an assembly direction of a next primary particle by the bound chiral molecule.
    Type: Application
    Filed: December 20, 2023
    Publication date: August 1, 2024
    Applicants: Korea University Research and Business Foundation, KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY, Seoul National University R&DB Foundation
    Inventors: Young Keun KIM, Yoo Sang JEON, Eunjin JEONG, Sung Jong YOO, Ki Tae NAM, Sang Won IM
  • Patent number: 12052822
    Abstract: An electronic device includes: a host box comprising a host processor configured to control an operation of the electronic device, a host motherboard in which the host processor is disposed, and a host power supply unit (PSU) configured to supply power to a component connected to the host motherboard; and one or more extension boxes controlled by the host box, wherein each of the one or more extension boxes comprises an extension motherboard independent of the host box, and an extension PSU independent of the host box and configured to supply power to a component connected to the extension motherboard.
    Type: Grant
    Filed: July 14, 2021
    Date of Patent: July 30, 2024
    Assignees: Samsung Electronics Co., Ltd., Seoul National University R&DB Foundation
    Inventors: Seung Wook Lee, Jangwoo Kim, Pyeongsu Park
  • Publication number: 20240246092
    Abstract: A filter manufacturing method includes: folding a filter media up and down and forming a wrinkle shape composed of a plurality of bent parts and a connection part connecting adjacent bent parts among the plurality of bent parts; and forming a conductive coating layer pattern on the filter media. The filter manufacturing method further includes: electrically connecting a first end and a second end of the conductive coating layer pattern to a first power source. In particular, the conductive coating layer pattern includes a plurality of parallel patterns, and the plurality of parallel patterns are formed to be positioned on the connection part.
    Type: Application
    Filed: April 4, 2024
    Publication date: July 25, 2024
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, Seoul National University R&DB Foundation
    Inventors: Dong Ho Kwon, Gee Young Shin, Myung Hoe Kim, Seung Sik Han, Seung Hwan Ko, Sung Geun Han, Jin Mo Kim
  • Publication number: 20240238966
    Abstract: A snap-through joint module is provided. The snap-through joint module includes a first member having a first internal space to which pneumatic pressure is applied, a second member having a second internal space to which pneumatic pressure is applied, a snap joint portion configured to connect the first member to the second member and capable of a snap-through movement by pneumatic pressure applied to the first member and the second member, and a controller configured to control pneumatic pressure applied to the first internal space and the second internal space.
    Type: Application
    Filed: December 14, 2023
    Publication date: July 18, 2024
    Applicant: Seoul National University R&DB Foundation
    Inventors: Ho-Young Kim, Ji-Sung Park
  • Publication number: 20240242072
    Abstract: An apparatus and method with out-of-distribution data detection is provided. The apparatus includes one or more processors configured to execute instructions; and one or more memories storing the instructions, wherein, the execution of the instructions by the one or more processors configures the one or more processors to generate output data using a neural network model provided input data; determine, based on the output data, a maximum loss value among calculated loss values that correspond to neighboring data within a reference distance from the input data; and detect, based on the maximum loss value and a threshold, whether the input data is out-of-distribution (OOD) data that is different from in-distribution data corresponding to training data used in a training of the neural network model.
    Type: Application
    Filed: July 27, 2023
    Publication date: July 18, 2024
    Applicants: SAMSUNG ELECTRONICS CO., LTD., Seoul National University R&DB Foundation
    Inventors: Jongseok KIM, Seungyong MOON, Hyun Oh SONG
  • Publication number: 20240242027
    Abstract: A method and apparatus for classifying a text using a text classification model are disclosed. In one general aspect, an apparatus is for outputting a classification result for an input text including words by using a text classification model, and the apparatus includes: one or more processors; a memory including instructions configured to cause the one or more processors to: determine whether the input text indicates an anomaly; and responsive to determining that the input text indicates an anomaly: determine saliencies of the respective words; select target words from among the words based on the saliencies; generate a replaced text by replacing, in the input text, the selected words with other words; and obtain a text classification result of the input text based on an inference upon the replaced text by the text classification model receiving the replaced text as an input.
    Type: Application
    Filed: June 16, 2023
    Publication date: July 18, 2024
    Applicants: SAMSUNG ELECTRONICS CO., LTD., Seoul National University R&DB Foundation
    Inventors: Jongseok KIM, Hyun Oh SONG, Deok Jae LEE
  • Publication number: 20240232581
    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 16, 2023
    Publication date: July 11, 2024
    Applicants: SAMSUNG ELECTRONICS CO., LTD., Seoul National University R&DB Foundation
    Inventors: Jung Ho AHN, Sun Jung LEE, Jae Wan CHOI
  • Publication number: 20240223417
    Abstract: An equalizer includes an amplifying adder configured to generate an output signal by operating differential input signals and a signal generated by applying an equalization coefficient to a post data signal; and a comparator configured to generate a current data signal by sampling the output signal according to a clock signal, wherein the amplifying adder has a maximum gain when a difference of the differential input signals is within a predetermined range.
    Type: Application
    Filed: July 12, 2023
    Publication date: July 4, 2024
    Applicant: Seoul National University R&DB Foundation
    Inventors: Jaeyoon KIM, Hyunkyu PARK, Suhwan KIM
  • Publication number: 20240221112
    Abstract: Neural network operation apparatus and method are provided. The neural network operation apparatus includes: one or more processors; and memory storing instructions configured to cause the one or more processors to: generate an upsampled tensor by copying pixels, of a unit of data, based on a scale factor for upsampling; and generate, based on the scale factor, a neural network operation result by performing a pooling operation on the upsampled tensor.
    Type: Application
    Filed: November 30, 2023
    Publication date: July 4, 2024
    Applicants: SAMSUNG ELECTRONICS CO., LTD., Seoul National University R&DB Foundation
    Inventors: Hanwoong JUNG, Soonhoi HA, Donghyun KANG
  • Publication number: 20240211738
    Abstract: An apparatus and method with encrypted data neural network operation is provided. The apparatus includes one or more processors configured to execute instructions and one or more memories storing the instructions, wherein the execution of the instructions by the one or more processors configures the one or more processors to generate a target approximate polynomial, approximating a neural network operation, of a portion of a neural network model, using a determined target approximation region, for the target approximate polynomial, based on a first approximate polynomial generated based on parameters corresponding to a generation of the first approximate polynomial, a maximum value of input data to the portion of the neural network layer, and a minimum value of the input data, and generate a neural network operation result using the target approximate polynomial and the input data.
    Type: Application
    Filed: October 17, 2023
    Publication date: June 27, 2024
    Applicants: SAMSUNG ELECTRONICS CO., LTD., Seoul National University R&DB Foundation, Daegu Gyeongbuk Institute of Science and Technology, Industry Academic Cooperation Foundation, Chosun University
    Inventors: Jong-Seon NO, Junghyun LEE, Yongjune KIM, Joon-Woo LEE, Young Sik KIM, Eunsang LEE
  • Publication number: 20240211737
    Abstract: An apparatus includes one or more processors configured to execute instructions; and one or more memories storing the instructions; wherein the execution of the instructions by the one or more processors configures the one or more processors to generate an approximate polynomial, approximating a neural network operation, of a portion of a deep neural network model that is configured to receive input data, by using weighted least squares based on parameters corresponding to the generation of the approximate polynomial, a mean of the input data, and a standard deviation of the input data; and generate a homomorphic encrypted data operation result based on the input data and the approximate polynomial that approximates the neural network operation.
    Type: Application
    Filed: September 20, 2023
    Publication date: June 27, 2024
    Applicants: SAMSUNG ELECTRONICS CO., LTD., Seoul National University R&DB Foundation, Daegu Gyeongbuk Institute of Science and Technology, Industry Academic Cooperation Foundation, Chosun University
    Inventors: Jong Seon NO, Yongjune KIM, Eun Sang LEE, Jung Hyun LEE, Young Sik KIM, Joon Woo LEE
  • Publication number: 20240211743
    Abstract: A neuron circuit includes: a membrane circuit configured to receive a weighted synaptic current from a synaptic array and receive an adaptive current from an adaptive circuit; a comparator circuit configured to control a pulse generation circuit in response to a voltage of the membrane circuit exceeding a predetermined threshold voltage; the pulse generation circuit configured to control the membrane circuit and the adaptive circuit based on an output signal from the comparator circuit and generate a pulse comprising a firing pattern; and the adaptive circuit, connected to the membrane circuit and the pulse generation circuit, and configured to determine the firing pattern of the pulse generation circuit.
    Type: Application
    Filed: June 1, 2023
    Publication date: June 27, 2024
    Applicants: SAMSUNG ELECTRONICS CO., LTD., Seoul National University R&DB Foundation
    Inventors: Sung Min LEE, Sangbum KIM
  • Publication number: 20240211744
    Abstract: An apparatus includes: memories storing data to perform a neural network operation; processors to generate a neural network operation result by performing a neural network operation by reading the data; and crossbars processing data transmission between the processors and the memories, wherein the crossbars include: a first crossbar of a first group processing data transmission between a first group of the processors and a first group of the memories, a second crossbar of a second group processing data transmission between a second group of the processors and a second group of the memories, wherein the first group of processors does not include any processors that are in the second group of processors and wherein the first group of memories does not include any memories that are in the second group of memories, and a third crossbar connecting the first crossbar to the second crossbar.
    Type: Application
    Filed: July 27, 2023
    Publication date: June 27, 2024
    Applicants: SAMSUNG ELECTRONICS CO., LTD., Seoul National University R&DB Foundation
    Inventors: Hanwoong JUNG, Soonhoi HA, Keonjoo LEE, Changjae YI
  • Publication number: 20240197816
    Abstract: A treatment of rejection of a transplant by a recipient of the transplant is disclosed. Methods for prolonging transplant survival in a recipient of the transplant, prolonging survival of the recipient, delaying and/or suppressing delayed graft function in the recipient, and/or reducing the amount of an immunosuppressant administered for transplantation. The methods include providing the transplant with a CHP or a pharmaceutically acceptable salt thereof is disclosed. Also provided is a method for the production of a pharmaceutical composition for the treatment of a transplant allowing modulating transplant survival in a recipient of the transplant.
    Type: Application
    Filed: December 8, 2023
    Publication date: June 20, 2024
    Applicants: NovMetaPharma Co., Ltd., Seoul National University R&DB Foundation, SEOUL NATIONAL UNIVERSITY HOSPITAL
    Inventors: Seung Hee Yang, Hoeyune Jung, Jong Min Kim, Yon Su Kim, Heonjong Lee
  • Publication number: 20240202527
    Abstract: A method of processing data is performed by a computing device including processing hardware and storage hardware, the method including: converting, by the processing hardware, a neural network, stored in the storage hardware, from a first neural network format into a second neural network format; obtaining, by the processing hardware, information about hardware configured to perform a neural network operation for the neural network and obtaining partition information; dividing the neural network in the second neural network format into partitions, wherein the dividing is based on the information about the hardware and the partition information, wherein each partition includes a respective layer with an input thereto and an output thereof; optimizing each of the partitions based on a relationship between the input and the output of the corresponding layer; and converting the optimized partitions into the first neural network format.
    Type: Application
    Filed: July 17, 2023
    Publication date: June 20, 2024
    Applicants: SAMSUNG ELECTRONICS CO., LTD., Seoul National University R&DB Foundation
    Inventors: Seok-Young YOON, Bernhard EGGER, Hyemi MIN, Jaume Mateu CUADRAT
  • Patent number: D1033212
    Type: Grant
    Filed: June 11, 2020
    Date of Patent: July 2, 2024
    Assignees: Seoul National University R&DB Foundation, EURO Engineering Co., Ltd.
    Inventors: Thomas Hyun Koo Kang, Keun Sam Kim
  • Patent number: D1034954
    Type: Grant
    Filed: October 8, 2021
    Date of Patent: July 9, 2024
    Assignee: Seoul National University R&DB Foundation
    Inventor: Hyun Woo Shin