Abstract: The method for solving an N-queen problem includes: an initialization step of generating a quantum substitution matrix state which is a superposition of qubit states satisfying a row condition and a column condition of the N-queen problem; an Oracle step of performing an operation of inverting a phase of at least one entire correct answer state that satisfies a diagonal condition of the N-queen problem in the quantum substitution matrix state; an amplification step of amplifying an amplitude of at least one entire correct answer state of which the phase is inverted; amplifying the amplitude of at least one entire correct answer state to correspond to a predetermined value by performing the Oracle step and the amplification step repeatedly at a predetermined number of times; and acquiring one first correct answer state among at least one entire correct answer state based on observation of a qubit state.
Type:
Application
Filed:
November 6, 2023
Publication date:
May 23, 2024
Applicant:
Korea University Research and Business Foundation
Abstract: Disclosed is a network hypervisor apparatus for providing a software defined networking (SDN)-based virtual network, the network hypervisor apparatus including a data collector configured to collect control traffic data and network topology information for each virtual switch; a control traffic predictor configured to predict future control traffic based on the control traffic data and the network topology information; and a translator configured to translate a control message corresponding to a virtual switch based on a prediction result.
Type:
Application
Filed:
June 7, 2023
Publication date:
May 23, 2024
Applicant:
KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
Abstract: Disclosed is a profiling-based distributed deep learning job ordering method and apparatus. The ordering method refers to a distributed deep learning job ordering method performed by a computing device including at least a processor and includes profiling each of a plurality of distributed deep learning jobs; and selecting distributed deep learning jobs to concurrently run based on profiling results.
Type:
Application
Filed:
June 6, 2023
Publication date:
May 23, 2024
Applicant:
KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
Abstract: An extrinsic calibration method of multiple 3D LiDAR sensors for an autonomous navigation system is proposed, the method including collecting point clouds by each of the multiple 3D LiDAR sensors; extracting multiple target planes corresponding to a plane from the point clouds of each of the 3D LiDAR sensors; by using the target plane of any one of the multiple 3D LiDAR sensors as a reference plane, detecting a corresponding plane from the target planes of each of the remaining of the 3D LiDAR sensors on the basis of a similarity with the reference plane; calculating initial extrinsic parameters for matching between the reference plane and the corresponding plane based on plane parameters of the reference plane and corresponding plane corresponding to each other; and calculating final extrinsic parameters that minimize variance of measurement points for the reference plane and corresponding plane, on the basis of the initial extrinsic parameters.
Type:
Grant
Filed:
October 1, 2020
Date of Patent:
May 21, 2024
Assignee:
KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
Abstract: The present invention relates to a metabolome sampling and analysis method for analyzing metabolome during synthetic gas fermentation of a synthetic gas fermentation microorganisms, the method establishing an optimal condition for metabolome sampling and enabling a glucose culture and a synthetic gas culture of the synthetic gas fermentation microorganisms to be distinguished by using a selected metabolomic biomarker.
Type:
Grant
Filed:
February 21, 2019
Date of Patent:
May 21, 2024
Assignees:
Korea University Research and Business Foundation, Korea Institute of Science and Technology
Inventors:
Kyoung Heon Kim, Young Soon Um, Jung Yeon Kim, Joongsuk Kim
Abstract: The present invention relates to a composition for inducing dedifferentiation form somatic cells to induced pluripotent stem cells (iPSs) and method of inducing dedifferentiation using same, wherein the composition for inducing dedifferentiation and the method of inducing dedifferentiation increases the efficiency of dedifferentiation from somatic cells to iPSs by stimulating CXC chemokine receptor 2 (CXCR2), which is a receptor on human somatic cells, and thus may be effectively used for inducing the dedifferentiation to iPSs.
Type:
Grant
Filed:
April 2, 2019
Date of Patent:
May 21, 2024
Assignee:
Korea University Research and Business Foundation
Abstract: Disclosed are a low-light image improvement apparatus and method. The low-light image improvement apparatus includes: an image component decomposition network module that analyzes a light image, a low-light image, and a mid-light image to decompose reflectance and illumination, respectively, wherein the mid-light image is generated using the light image and the low-light image; and a component improvement network module configured to include a mid-teacher network model that extracts a first feature map with improved reflectance and illumination of the mid-light image using the reflectance and illumination of the light image and a student network module that distills the extracted first feature map and then extracts a second feature map for the reflectance and illumination of the low-light image based on the distilled first feature map and acquires an image with improved light by reflecting a structural component of a multi-band near-infrared image in the second feature map.
Type:
Application
Filed:
July 14, 2023
Publication date:
May 16, 2024
Applicant:
KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
Inventors:
Jong Ok KIM, Tae Hyun KIM, Jeong Hyeok PARK
Abstract: A method and apparatus with object detector training is provided. The method includes obtaining first input data and second input data from a target object; obtaining second additional input data by performing data augmentation on the second input data; extracting a first feature to a shared embedding space by inputting the first input data to a first encoder; extracting a second feature to the shared embedding space by inputting the second input data to a second encoder; extracting a second additional feature to the shared embedding space by inputting thesecond additional input data to the second encoder; identifying a first loss function based on the first feature, the second feature, and the second additional feature; identifying a second loss function based on the second feature and the second additional feature; and updating a weight of the second encoder based on the first loss function and the second loss function.
Type:
Application
Filed:
August 17, 2023
Publication date:
May 16, 2024
Applicants:
SAMSUNG ELECTRONICS CO., LTD., Korea University Research and Business Foundation
Inventors:
Sujin JANG, Sangpil KIM, Jinkyu KIM, Wonseok ROH, Gyusam CHANG, Dongwook LEE, Dae Hyun JI
Abstract: Disclosed herein is a method of generating a similarity determination model of programming codes based on a cross-validation ensemble and filtering strategy. The method of generating the similarity determination model is performed by a computing device including at least a processor, the method includes: performing preprocessing on raw data written in any one language; performing filtering on the preprocessed data; generating positive pairs and negative pairs for training; and training a pre-trained language model using the generated positive pairs and negative pairs.
Type:
Application
Filed:
November 13, 2023
Publication date:
May 16, 2024
Applicant:
KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
Abstract: The present disclosure relates to a cancer cell-specific complex for targeting cancer. The complex for targeting cancer according to the present disclosure includes EGF, but is affected more by lysosomal activity rather than the EGFR signaling pathway, and thus can overcome the shortcomings of the existing EGF therapy-based diagnostic and therapeutic compositions and provide successfully personalized and improved effects of treating, preventing and alleviating cancer. A diagnostic composition according to the present disclosure enables the prediction of the anticancer performance of a therapeutic composition of the present disclosure in a subject, and thus enables anticancer treatment to be designed stably.
Type:
Application
Filed:
August 12, 2021
Publication date:
May 16, 2024
Applicants:
KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY, KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
Inventors:
Ju Hee RYU, Ick Chan KWON, Kwangmeyung KIM, Han Young KIM, Eun-sun KIM
Abstract: Disclosed are non-contiguous sample fractionating and concatenating device and a dual online multidimensional liquid chromatography system having the same. The non-contiguous sample fractionating and concatenating device according to an embodiment of the present disclosure includes a sample supply module which supplies a sample to be analyzed, and a sample fractionation module connected to the sample supply module, and which is continuously supplied with the sample, sets a plurality of unit sample supply times obtained by equally dividing a total sample supply time during which the sample is supplied from the sample supply module, sets a plurality of unit fractionation intervals obtained by equally dividing each of the plurality of unit sample supply times, and concatenates and stores the sample supplied during corresponding unit fractionation intervals within each unit sample supply time to acquire a plurality of fractions.
Type:
Grant
Filed:
October 27, 2021
Date of Patent:
May 14, 2024
Assignee:
KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
Abstract: Disclosed is a sulfur-doped micro zero-valent metal reducing agent containing a zero-valent metal, wherein a metal sulfide layer synthesized using a ball milling process may be formed on a surface of the zero-valent metal. In addition, disclosed is a method for preparing a sulfur-doped micro zero-valent metal reducing agent including, in a ball milling process using a ball milling apparatus composed of a jar, balls, and a body, a first step of preparing an inorganic mixture by mixing a zero-valent metal and sulfur with each other, and a second step of forming a metal sulfide layer synthesized on a surface of the zero-valent metal by putting the inorganic mixture into the jar together with the balls and performing ball milling.
Type:
Grant
Filed:
October 13, 2020
Date of Patent:
May 14, 2024
Assignee:
KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
Inventors:
Jeehyeong Khim, Mingcan Cui, Jongbok Choi, Yonghyun Lee
Abstract: Disclosed are a nanobarcode for controlling adhesion and polarization of macrophages and a method of controlling adhesion and polarization of macrophages by using nanobarcodes. The method of controlling adhesion and polarization of macrophages of the present invention may efficiently control adhesion and phenotypic polarization of macrophages in vivo or in vitro by tuning periodicity and sequences of ligand peptide (RGD) of a nanobarcode.
Type:
Grant
Filed:
April 30, 2021
Date of Patent:
May 14, 2024
Assignee:
KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
Inventors:
Heemin Kang, Young Keun Kim, Sunhong Min, Yoo Sang Jeon, Hyojun Choi
Abstract: Provided are an enzyme complex for decomposing polyethylene terephthalate (PET), a method for decomposing waste plastic using the enzyme complex, and a manufacturing method of the enzyme complex. According to the present disclosure, since the enzyme complex is a complex form of Ideonella sakaiensis-derived PETase and Candida Antarctica-derived lipase (CALB) by dockerin-cohesin binding and is simultaneously applicable to a substrate to be decomposed, it is possible to exhibit a synergistic effect on the decomposition of polyethylene terephthalate. In addition, it is possible to provide a stable enzyme complex of decomposing polyethylene terephthalate by providing a mini-scaffolding protein obtained by miniaturizing cellulosome as a scaffolding protein.
Type:
Grant
Filed:
September 20, 2022
Date of Patent:
May 14, 2024
Assignee:
Korea University Research and Business Foundation
Abstract: Disclosed is a prediction model generation method for predicting training time and resource consumption required for distributed deep learning training and a prediction method using the prediction model. The prediction model generation method is performed by a computing device including at least one processor and includes constructing a training dataset; and generating a prediction model by training a graph neural network (GNN). The training dataset includes input data and result data, the construction of the training dataset includes converting a distributed deep learning training code (distributed training (DT) code) to a graph; and extracting an adjacency matrix and a feature matrix from the graph.
Type:
Application
Filed:
June 6, 2023
Publication date:
May 9, 2024
Applicant:
KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
Abstract: An electric field cancer treatment apparatus using a rotating alternating current (AC) electric field according to an embodiment of the present disclosure includes a plurality of electrode pairs configured to transmit AC electric fields to a target area in a body, a plurality of AC electric field generators respectively connected to the plurality of electrode pairs and configured to generate AC electric fields to be applied to the plurality of electrode pairs, and a controller configured to control generation of AC electric fields by the plurality of AC electric field generators.
Type:
Grant
Filed:
January 5, 2021
Date of Patent:
May 7, 2024
Assignees:
FIELDCURE CO., LTD., KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
Inventors:
Jong Hyun Kim, Geon Oh, Hee Hun Sung, Myong Geun Yoon
Abstract: The present invention relates to a transformed strain having ethanol production potential, constructed by introducing a foreign gene for ethanol production into a non-ethanol producing acetogen Eubacterium limosum and a method for producing ethanol, using the strain. According to the present invention, Eubacterium limosum which is a conventional acetogen lacking ethanol production potential is used to produce ethanol, which is a high value-added product, as a single product from carbon monoxide contained in waste gas.
Type:
Grant
Filed:
August 28, 2018
Date of Patent:
May 7, 2024
Assignees:
GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY, KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
Inventors:
In Seop Chang, Jiyeong Jeong, Shinyoung Park, In-Geol Choi, Byeonghyeok Park
Abstract: A device for evaluating characteristics of a target ground containing a metal component is proposed. The device includes a penetration probe having a main frame and a pair of side frames respectively installed at opposite side ends of the main frame, wherein each side frame has a lower end thereof extending downward from the main frame; a plurality of electrodes installed to be exposed to outside on the main frame; an electrode measurement part for measuring apparent chargeability of the target ground by applying power for measurement to the plurality of electrodes; and a main processor for calculating a weight ratio of a metal component of the target ground on the basis of the apparent chargeability measured by the electrode measurement part and calculating a volume ratio of the metal component of the target ground on the basis of the calculated weight ratio of the metal component.
Type:
Grant
Filed:
October 26, 2020
Date of Patent:
May 7, 2024
Assignee:
KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
Inventors:
Jong-Sub Lee, Sang-Yeob Kim, Nam-Sun Kim, Joon-Ki Chun
Abstract: A single-signal receiver including an active inductor continuous time linear equalizer and a reference voltage selection equalizer is provided. The single-signal receiver includes a continuous time linear equalizing unit to receive a single signal, and compensate for distortion of the single signal to generate an output, and a reference voltage selection equalizing unit to select one of a first reference voltage value and a second reference voltage value based on a previous output from a comparator, and sample the output from the continuous time linear equalizing unit, based on the one of the first reference voltage value and the second reference voltage value.
Type:
Grant
Filed:
October 6, 2022
Date of Patent:
May 7, 2024
Assignee:
Korea University Research and Business Foundation
Abstract: A semiconductor device and a method of manufacturing the same. The semiconductor device has a substrate in which recess regions are formed and semiconductor regions acting as a source region or a drain region is defined between the recess regions; a gate insulating layer disposed on an inner surface of each recess region; a recess gate disposed on the gate insulating layer in each recess region; an insulating capping layer disposed above the recess gate in each recess region; a metallic insertion layer disposed between a side surface of the recess gate and a side surface of the insulating capping layer and facing with a side surface of the source region or the drain region; and an intermediate insulating layer disposed between the metallic insertion layer and the recess gate to electrically insulate the metallic insertion layer from the recess gate.
Type:
Grant
Filed:
September 21, 2021
Date of Patent:
May 7, 2024
Assignees:
SK hynix Inc., KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
Inventors:
Hyun-Yong Yu, Seung Geun Jung, Mu Yeong Son