Patents Assigned to Korea Advanced Institute of Science and Technology
  • Flexible pressure sensor using multi-material 3D-printed microchannel mold and method for manufacturing the same
    Patent number: 11779232
    Abstract: The present invention relates to a flexible pressure sensor using a multi-material 3D-printed microchannel mold, and a method for manufacturing the same, and more particularly, to a flexible pressure sensor having improved flexibility, sensitivity, and stability for use in a wearable device, and a method for manufacturing the same. Further, the present invention relates to a physical sensor for measuring a force applied from the outside, and more particularly, to a multi-directional physical sensor using a multi-layer microchannel array, which may sense all forces applied from the outside in three-dimensional directions such as a perpendicular direction and a parallel direction by applying the multi-layer microchannel array to a body having a three-dimensionally protruding shape.
    Type: Grant
    Filed: September 10, 2020
    Date of Patent: October 10, 2023
    Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Inkyu Park, Kyuyoung Kim
  • ANODE FOR ANION EXCHANGE MEMBRANE WATER ELECTROLYSIS
    Publication number: 20230313395
    Abstract: The present disclosure provides an oxidization electrode for anion exchange membrane water electrolysis having low cost, high performance, and high stability. Specifically, an embodiment of the present disclosure provides an oxidization electrode for anion exchange membrane water electrolysis, comprising: a nickel metal; and a layered double hydroxide (LDH) with a monolayer structure containing nickel and iron and disposed on one surface or both surfaces of the nickel metal.
    Type: Application
    Filed: November 10, 2021
    Publication date: October 5, 2023
    Applicants: HANWHA SOLUTIONS CORPORATION, KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Gil Ho KIM, Hyunjoo LEE, Chi Woo ROH, Kyu Ho SONG, Sun Seo JEON
  • TRANSPARENCY-ADJUSTABLE FILM USING COMPRESIVE STRAIN AND TRANSPARENCY-ADJUSTING APPARATUS
    Publication number: 20230314848
    Abstract: A transparency-adjusting apparatus includes a transparency-adjustable film including a polymer and an array of pores that are three-dimensionally ordered and connected to each other, and a compressive-strain adjusting part that adjusts a compressive strain of the transparency-adjustable film in a vertical direction. A transparency of the transparency-adjustable film varies depending on the compressive strain. The pores are arranged to tilt from the vertical direction.
    Type: Application
    Filed: December 27, 2022
    Publication date: October 5, 2023
    Applicant: Korea Advanced Institute of Science and Technology
    Inventors: Seokwoo JEON, Haomin CHEN, Donghwi CHO
  • METHOD AND SYSTEM FOR DETECTING AND CLASSIFYING OBJECTS OF IMAGE
    Publication number: 20230316737
    Abstract: The present invention provides a method comprising the steps of: generating a second anchor on the second convolutional feature map by scaling and shifting a first anchor in the ground-truth box; generating a third convolutional feature map by convolving the second convolutional feature map by means of a second convolution; determining whether the overlap ratio between the ground-truth box and a second single anchor is greater than or equal to a reference value; generating a third anchor by scaling and shifting the second anchor having an overlap ratio that is greater than or equal to the reference value; assigning an objectivity score to the third anchor; and presenting the third anchor, which has an objectivity score that is equal to or greater than a reference value, as a proposal on the third convolutional feature map.
    Type: Application
    Filed: September 15, 2020
    Publication date: October 5, 2023
    Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Changdong YOO, Thang VU, Xuan Trung PHAM, Hyunjun JANG
  • METHOD FOR ETCHING LITHIUM NIOBATE AND METHOD FOR FORMING LITHIUM NIOBATE PATTERN USING THE SAME
    Publication number: 20230307214
    Abstract: The present invention relates to a method for etching lithium niobate, the method including a process of etching lithium niobate using a mask pattern as a physical dry etching method using Ar plasma produced in a chamber through Ar gas, wherein in the process of etching lithium niobate, a process pressure of the chamber is maintained at 1 mTorr to 20 mTorr, and a method for forming a lithium niobate pattern using the same.
    Type: Application
    Filed: February 27, 2023
    Publication date: September 28, 2023
    Applicants: Korea Institute of Science and Technology, KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Ho Joong JUNG, Sang Wook HAN, Hyung Jun HEO, Hansuek LEE, Min Kyo SEO, Hyeon HWANG
  • METHOD FOR ENCODING/DECODING BLOCK INFORMATION USING QUAD TREE, AND DEVICE FOR USING SAME
    Publication number: 20230308673
    Abstract: Disclosed decoding method of the intra prediction mode comprises the steps of: determining whether an intra prediction mode of a present prediction unit is the same as a first candidate intra prediction mode or as a second candidate intra prediction mode on the basis of 1-bit information; and determining, among said first candidate intra prediction mode and said second candidate intra prediction mode, which candidate intra prediction mode is the same as the intra prediction mode of said present prediction unit on the basis of additional 1-bit information, if the intra prediction mode of the present prediction unit is the same as at least either the first candidate intra prediction mode or the second candidate intra prediction mode, and decoding the intra prediction mode of the present prediction unit.
    Type: Application
    Filed: June 1, 2023
    Publication date: September 28, 2023
    Applicants: Electronics and Telecommunications Research Institute, KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jong Ho KIM, Hui Yong KIM, Se Yoon JEONG, Sung Chang LIM, Ha Hyun LEE, Jin Ho LEE, Suk Hee CHO, Jin Soo CHOI, Jin Woong KIM, Chie Teuk AHN, Mun Churl KIM, Bum Shik LEE
  • WIRELESS POWER TRANSMISSION DEVICE
    Publication number: 20230299616
    Abstract: A wireless power transmission device can include a plurality of transmission coil units, in which each of the plurality of transmission coil units includes a plurality of antenna coils arranged on different three-dimensional planes, and the plurality of antenna coils are configured to generate a magnetic field passing through at least one or more of the different three-dimensional planes to transfer transmission power to a wireless power reception device.
    Type: Application
    Filed: August 10, 2020
    Publication date: September 21, 2023
    Applicants: LG ELECTRONICS INC., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jungkeun PARK, Gu Ho JUNG, Chung Hee LEE, Ju Yong LEE, Dong Ho CHO, Dang-Oh KIM
  • MOLTEN SALT-METAL REACTOR FOR IMPLEMENTING MICRO-REACTOR
    Publication number: 20230298773
    Abstract: The present invention relates to a molten salt-metal reactor for implementing a micro-reactor, and more specifically, to a molten salt-metal reactor including a liquid metal nuclear fuel and a molten salt coolant, wherein the molten salt coolant is disposed in an upper portion of the liquid metal nuclear fuel such that the heat generated from the nuclear fuel is transferred to the molten salt coolant and cooled.
    Type: Application
    Filed: July 13, 2022
    Publication date: September 21, 2023
    Applicants: Korea Advanced Institute of Science and Technology, IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
    Inventors: Yong Hee KIM, Sung Joong KIM, Won Jun CHOI, Juhyeong LEE, Seongdong JANG, Taesuk OH, Eunhyug LEE
  • Method and a device for measuring a glass transition temperature and a degree of crystallinity of a polymer
    Patent number: 11761914
    Abstract: Provided are a method of and a device for measuring a glass transition temperature and a degree of crystallinity of a polymer. According to the measurement method and the device of one exemplary embodiment of the present invention, a glass transition temperature and a degree of crystallinity may be measured easily, rapidly, and accurately in a field other than a laboratory, and fast and accurate conversion is possible for various measurement conditions such as temperature, frequency, etc.
    Type: Grant
    Filed: August 6, 2020
    Date of Patent: September 19, 2023
    Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Siyoung Choi, Jinwon Park, Jaehong Lee
  • METHOD AND SYSTEM FOR VISUALIZING DYED HAIR IMAGE
    Publication number: 20230290005
    Abstract: Disclosed are a method and system for visualizing a dyed hair image. The method of visualizing dyeing hair includes separating a hair area from an image related to a dyeing target, detecting a color characteristic of the hair area, determining a target color corresponding to the color characteristic by using a dataset comprising color difference values of dyeing hair using a hairdye product, performing a color transfer using the target color on the hair area, and merging the hair area on which the color transfer using the target color as been performed with the image.
    Type: Application
    Filed: March 8, 2023
    Publication date: September 14, 2023
    Applicants: Korea Advanced Institute of Science and Technology, AMOREPACIFIC CORPORATION
    Inventors: Hyeon-Jeong SUK, Boram KIM, Chul Min KIM, Hyun CHOI, Moonha KIM, Jihye HYOUNG, Hwaseon LEE
  • Electronic device for camera and radar sensor fusion-based three-dimensional object detection and operating method thereof
    Patent number: 11754701
    Abstract: An electronic device and an operating method thereof according to various embodiments are intended to detect a three-dimensional (3D) object based on camera module and radar sensor fusion, and may be configured to extract a first region of interest (RoI) from a first feature map extracted from first sensing data obtained through a camera module, extract a second RoI from a second feature map extracted from second sensing data obtained through a radar sensor, generate a third RoI by fusing the first RoI and the second RoI, and detect a 3D object based on the third RoI.
    Type: Grant
    Filed: March 11, 2021
    Date of Patent: September 12, 2023
    Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Dongsuk Kum, YoungSeok Kim
  • Impact test apparatus and impact test method
    Patent number: 11747250
    Abstract: An impact test apparatus includes a base plate having an upper surface on which a specimen is placed, a collision member that collides with the specimen, a dropping unit that drops the collision member from an upper area of the specimen to the specimen and adjusts a height that the collision member drops, a velocity measurement unit that measures a collision velocity of the collision member when the collision member collides with the specimen, and an evaluation unit that produces a representative value that is a collision velocity at which a probability of breakage of the specimen is about 50%, and evaluates an impact resistance of the specimen based on the representative value.
    Type: Grant
    Filed: December 9, 2021
    Date of Patent: September 5, 2023
    Assignees: SAMSUNG DISPLAY CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Minsang Koo, Do Kyung Kim, Sanghoon Kim, Seungho Kim, Seongjin Hwang, Jung Hoon Kong, Dong Gyu Kim
  • Method for anti-drone using GPS spoofing signal and system therefore
    Patent number: 11745871
    Abstract: Disclosed are an anti-drone method using a GPS spoofing signal and a system thereof. According to an embodiment of the inventive concept, an anti-drone method may include injecting a GPS spoofing signal to analyze a drone feature of a target drone and hijacking the target drone by injecting a GPS spoofing signal into the target drone based on a drone hijacking strategy corresponding to the analyzed drone feature among predefined drone hijacking strategies. The analyzing of the drone feature may include injecting the GPS spoofing signal to analyze a safety device mechanism (GPS fail-safe) and a path-following algorithm of the target drone.
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: September 5, 2023
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Yongdae Kim, Juhwan Noh, Yujin Kwon, Hocheol Shin, Dohyun Kim
  • Optical display device having variable conductivity patterns
    Patent number: 11747706
    Abstract: Provided are an optical device and a method of manufacturing the optical device including a lower electrode; an insulating layer provided on the lower electrode; upper electrodes provided on the insulating layer; and variable conductivity patterns provided to be adjacent to the upper electrodes, respectively, on the insulating layer. The upper electrodes include first and second electrodes that are alternately provided, a pitch between the first electrodes is identical to a pitch between the second electrodes, the second electrode is provided between the adjacent first electrodes, a distance between one of the adjacent first electrodes and the second electrode is a first length, a distance between another one of the adjacent first electrodes and the second electrode is a second length, and the second length differs from the first length.
    Type: Grant
    Filed: November 18, 2019
    Date of Patent: September 5, 2023
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Min Seok Jang, Sangjun Han, Shinho Kim
  • Method of replacing missing image data by using neural network and apparatus thereof
    Patent number: 11748851
    Abstract: Disclosed are a method and apparatus for replacing missing image data. The method of replacing missing image data includes receiving input image data for at least two or more domains among preset multiple domains, and restoring missing image data of a preset target domain by using a neural network that uses the two or more input image data as inputs. The neural network may combine fake image data of a first target domain generated by inputting real image data of at least two or more domains of the multiple domains and the real image data, and be trained by using a multi-cycle consistency loss in which an image restored by inputting the combined image data is similar with the real image data.
    Type: Grant
    Filed: December 6, 2019
    Date of Patent: September 5, 2023
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: JongChul Ye, Dongwook Lee
  • Magnetic field communication method and apparatus using GMI magnetometer
    Patent number: 11750246
    Abstract: A magnetic field communication method and apparatus using a giant magnetoimpedance (GMI) magnetometer are disclosed. The magnetic field communication apparatus includes a GMI magnetometer configured to detect a first communication signal based on a received magnetic field signal, a first signal extractor configured to extract a second communication signal comprising a message signal from the first communication signal, a second signal extractor configured to extract a third communication signal by removing a magnetization frequency signal from the second communication signal, and a third signal extractor configured to extract the message signal by removing a carrier wave frequency signal from the third communication signal.
    Type: Grant
    Filed: December 16, 2021
    Date of Patent: September 5, 2023
    Assignees: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, Korea Advanced Institute of Science and Technology
    Inventors: Jang Yeol Kim, Jaewoo Lee, Hyunjoon Lee, In Kui Cho, Sang-Won Kim, Seong-Min Kim, Jung Ick Moon, Je Hoon Yun, Dong Won Jang, Seunghun Ryu, Seungyoung Ahn
  • Wireless power transfer system for selectively driving at least one transmitting coil among transmitting coils and operation method thereof
    Patent number: 11750039
    Abstract: Disclosed a wireless power transfer system configured to selectively drive at least one transmitting coil among transmitting coils that are included in a transmitter; and an operation method of the wireless power transfer system, and more particularly, to a technology of verifying a coupling coefficient between each of transmitting coils and a receiving coil when the receiving coil is located on the transmitting coils and selectively driving at least one transmitting coil among the transmitting coils based on the verified coupling coefficient.
    Type: Grant
    Filed: December 13, 2021
    Date of Patent: September 5, 2023
    Assignees: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY, UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
    Inventors: Seung Young Ahn, Bom Son Lee, Jong Wook Kim, Bum Jin Park, Dong Ryul Park, Sung Ryul Huh
  • METHOD AND APPARATUS FOR ESTIMATING PHASE NOISE IN WIRELESS COMMUNICATION SYSTEM
    Publication number: 20230275729
    Abstract: A method for estimating a phase noise by a wireless device in a wireless communication system according to an embodiment of the present disclosure comprises the steps of: receiving a pre-configured pilot signal and a phase tracking reference signal (PTRS); calculating a first phase noise on the basis of the pre-configured pilot signal; calculating a common phase error (CPE) on the basis of the phase tracking reference signal (PTRS); and estimating a phase noise (PN) on the basis of the first phase noise and the common phase error (CPE). The PN is estimated through interpolation based on a specific reference point, and the specific reference point is based on the first phase noise and the CPE.
    Type: Application
    Filed: July 10, 2020
    Publication date: August 31, 2023
    Applicant: Korea Advanced Institute of Science and Technology
    Inventors: Seungwon Keum, Jaehoon Chung, Sangrim Lee, Dongho Cho, Juyong Lee, Sangmi Noh, Dangoh Kim, Seongjae Kim
  • IMAGE PROCESSING METHOD AND DEVICE USING A LINE-WISE OPERATION
    Publication number: 20230276023
    Abstract: Disclosed are an image processing method and device using a line-wise operation. The image processing device, according to one embodiment, comprises: a receiver for receiving an image; at least one first line buffer for outputting the image into a line-wise image line; a first convolution operator for generating a feature map by performing a convolution operation on the basis of the output from the first line buffer; and a feature map processor for storing the output from the first convolution operator in units of at least one line, and processing so as to output the feature map stored in units of at least one line into a two-dimensional form, wherein at least one convolution operation operates in the form of a pipeline.
    Type: Application
    Filed: December 26, 2022
    Publication date: August 31, 2023
    Applicant: Korea Advanced Institute of Science and Technology
    Inventors: Mun Churl KIM, Yong Woo KIM, Jae Seok CHOI
  • Anti-Angiopoietin-2 Antibodies and Uses Thereof
    Publication number: 20230272057
    Abstract: The present invention relates to mouse antibodies that bind to angiopoietin-2 (Ang2), humanized anti-Ang2 antibodies derived therefrom, and the use thereof. The anti-Ang2 antibodies have a dual function of activating the Tie2 receptor together with neutralizing Ang2. The anti-Ang2 antibodies show the property of normalizing abnormal and pathological blood vessels, and thus exhibits therapeutic efficacy against various diseases and disorders associated with abnormal blood vessels. The present invention further provides an angiogenesis inhibitor and a composition for treatment of diseases associated with abnormal Ang2 expression and Tie2 dysregulation, which comprise the antibody as an active ingredient, and a composition for diagnosing diseases associated with Ang2 inhibition and Tie2 activation, which comprises the antibody.
    Type: Application
    Filed: October 12, 2022
    Publication date: August 31, 2023
    Applicants: Institute for Basic Science, Korea Advanced Institute of Science and Technology
    Inventors: Gou Young Koh, Jeomil Bae, Mi Jeong Kim, Jin-Sung Park, Su Jin Seo, Jaeryung Kim, Jang Ryul Park, Pilhan Kim, Wangyuhl Oh