Patents Assigned to Korea Institute of Science and Technology
  • Patent number: 12048132
    Abstract: In an aspect, the present disclosure provides a heat-treated transition metal carbonitride MXene film annealed at high temperatures and a polymer composite comprising the same. In another aspect, the present disclosure provides a method for producing a heat-treated transition metal carbonitride MXene film comprising: obtaining a MXene aqueous solution containing dispersed 2-dimensional (2D) MXenes through an acid etching process; filtering the obtained MXene aqueous solution through a vacuum filtration process to produce a free-standing film; and annealing the produced free-standing film at high temperatures to obtain a heat-treated transition metal carbonitride MXene film. In still another aspect, the present disclosure provides an electromagnetic interference (EMI) shielding method comprising: superposing a coating comprising a heat-treated transition metal carbonitride MXene film on at least one surface of an object in a contact or non-contact manner.
    Type: Grant
    Filed: February 18, 2021
    Date of Patent: July 23, 2024
    Assignees: Korea Institute of Science and Technology, Drexel University
    Inventors: Yury Gogotsi, Kanit Hantanasirisakul, Chong Min Koo, Aamir Iqbal, Soon Man Hong, Seon Joon Kim, Seung Sang Hwang, Kyung Youl Baek, Albert Lee, Sangho Cho
  • Patent number: 12038337
    Abstract: The present disclosure relates to a sensor module for measuring a displacement occurring in a sensor by a confocal principle, a strain sensor device comprising the same, and a method for measuring a strain in a target using the same. Specifically, the sensor module according to an embodiment of the present disclosure includes a first single-mode optical fiber, a first GRIN optical fiber, a multi-mode optical fiber, a second GRIN optical fiber and a second single-mode optical fiber connected in an axial direction, wherein light inputted through the first single-mode optical fiber is transmitted to the second single-mode optical fiber through the series of optical fibers, and light forming a focal point in the core of the second single-mode optical fiber is detected using a confocal principle.
    Type: Grant
    Filed: May 20, 2022
    Date of Patent: July 16, 2024
    Assignee: Korea Institute of Science and Technology
    Inventors: Donghyun Hwang, Min Woo Lee
  • Patent number: 12038367
    Abstract: The present invention relates to a method for measuring condensable particulate matters formed from exhaust gas of an internal combustion engine, including the steps of sucking exhaust gas from the internal combustion engine; diluting the sucked exhaust gas to simulate it to atmospheric condition; a first measurement step of branching some of the exhaust gas of the atmospheric condition and measuring particulate matters including condensable particulate matters and filterable particulate matters; a second measurement step of branching the rest of the exhaust gas of the atmospheric condition to remove the condensable particulate matters and measuring the particulate matters including only the filterable particulate matters; and comparing the first measurement step and the second measurement step to calculate an amount of the condensable particulate matters in the exhaust gas of the atmospheric condition.
    Type: Grant
    Filed: July 1, 2022
    Date of Patent: July 16, 2024
    Assignee: Korea Institute of Science and Technology
    Inventors: Seung Bok Lee, Changhyuk Kim, Kyungil Cho, Giwon Kang, Nam Geon Kim
  • Patent number: 12038356
    Abstract: There are provided a vacuum transfer system installed in an microscope to prevent oxidation of a sample and a sample measurement method using the vacuum transfer system. The vacuum transfer system according to an embodiment is a vacuum transfer system installed in an microscope to prevent oxidation of a sample, and includes a housing having an open surface, wherein the surface has a coupling element for attaching or detaching to/from the microscope, and an inside of the housing is kept closed from outside as the housing is coupled with the microscope through the coupling element, a gas inlet through which an inert gas is introduced into the housing, a gas outlet through which an active gas in the housing exits with the introduction of the inert gas into the housing, and at least one glove formed to be connected with the inside of the housing.
    Type: Grant
    Filed: May 21, 2021
    Date of Patent: July 16, 2024
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: So Hee Kim, Jihyun Hong, Jae Pyoung Ahn, Inyeong Kang, Woo Suk Baek
  • Publication number: 20240226287
    Abstract: The present disclosure relates to a novel lipid compound and a lipid nanoparticle composition including the same and, more specifically, the lipid nanoparticle composition includes ionized lipid, helper lipid, PEG-lipid, and additives, and may mitigate changes and side effects in the delivery mechanism and enhance the protein expression efficiency by including a biofriendly vitamin-based novel lipid compound and helper lipids including neutral lipids.
    Type: Application
    Filed: December 12, 2023
    Publication date: July 11, 2024
    Applicants: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY, THE CATHOLIC UNIVERSITY OF KOREA INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Eun-Kyoung Bang, GYO CHANG KEUM, Jae- Hwan Nam, Seohyeon Bae, Muhammad Faisal, Sung Pil Kwon, Soyeon Yoo
  • Publication number: 20240235825
    Abstract: The present disclosure according to at least one embodiment provides a quantum key distribution (QKD)-based quantum digital signature method using a trusted node, the QKD-based quantum digital signature method being performed by a trusted node. The method comprises sharing a first secret key with a message-sending node, sharing a second secret key with a message-receiving node, generating a first trusted-node signature by performing a partial QKD process together with the message-sending node, generating a second trusted-node signature by performing a partial QKD process together with the message-receiving node, and verifying a first message with the shared first and second secret keys and with the first and second trusted-node signatures.
    Type: Application
    Filed: June 20, 2023
    Publication date: July 11, 2024
    Applicant: KOREA INSTITUTE OF SCIENCE & TECHNOLOGY INFORMATION
    Inventors: Il Kwon SOHN, Kwang Il BAE, Eun Joo LEE, Won Hyuk LEE
  • Patent number: 12029550
    Abstract: A system for predicting a three-dimensional human body joint angle according to an embodiment predicts information on a human body joint angle of a new subject by photographing a motion of a subject at different three-dimensional positions and using information on the human body joint angle according to the generated motion of the subject and information on the human body joint angle according to the motion of the subject.
    Type: Grant
    Filed: October 31, 2022
    Date of Patent: July 9, 2024
    Assignee: Korea Institute of Science and Technology
    Inventors: Kyung-Ryoul Mun, Jinwook Kim
  • Publication number: 20240216458
    Abstract: The present invention relates to a composition for the prevention, improvement or treatment of allergic diseases containing a Cassia mimosoides L. extract as an active ingredient, and more specifically, to a composition for the prevention, improvement or treatment of allergic diseases containing an ethanol extract of Cassia mimosoides L. as an active ingredient. In the present invention, the effect of Cassia mimosoides L. extract in treating allergic respiratory diseases was confirmed in an animal model of allergic asthma, and the anti-allergic effect of the compounds isolated from an ethanol extract of Cassia mimosoides L. was confirmed. Therefore, Cassia mimosoides L. extract of the present invention can be useful as a composition for preventing, improving, or treating allergic respiratory diseases, particularly allergic asthma or allergic bronchitis.
    Type: Application
    Filed: December 14, 2023
    Publication date: July 4, 2024
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Myung Suk KIM, Sang Hoon JUNG, Wook Bin LEE, Tam Thi LE, Tae Kyeom KANG
  • Publication number: 20240221374
    Abstract: An apparatus and method for generating training data according to an embodiment is disclosed. The apparatus for generating training data according to an embodiment includes at least one processor and a memory to store instructions for executing the at least one processor, wherein upon being executed by the at least one processor, the instructions allow the at least one processor to output a first image for one sample vector from a first generator included in the apparatus, and generate a second image from a second generator included in the apparatus based on the first image and a feature map extracted from a convolution block for each stage of a lightweight target model for the first image.
    Type: Application
    Filed: May 22, 2023
    Publication date: July 4, 2024
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Suhyun KIM, Yu-Jin KIM, Dogyun PARK
  • Publication number: 20240220610
    Abstract: The disclosure below relates to a security data processing device, a security data processing method, and a computer-readable storage medium for storing a program for processing security data. An embodiment provides a security data processing method comprising the steps of: classifying security events into one or more groups; extracting meaningful words from at least one security event in each of the classified groups; labeling each of the security events as a true positive group or a false positive group on the basis of the extracted meaningful words; and quantifying the security events in the true positive group and the security events in the false positive group.
    Type: Application
    Filed: November 26, 2021
    Publication date: July 4, 2024
    Applicant: KOREA INSTITUTE OF SCIENCE & TECHNOLOGY INFORMATION
    Inventors: Jungsuk SONG, Yoonsu CHOI, Kyuil KIM, Jun LEE, Taewoong KWON, Younsu LEE, Sangsoo CHOI, Hyeakro LEE
  • Patent number: 12023317
    Abstract: Disclosed is a composition for use in preventing, alleviating, or treating psoriasis containing cimicifugolide A as an active ingredient.
    Type: Grant
    Filed: March 7, 2022
    Date of Patent: July 2, 2024
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jin Chul Kim, Jung Yeob Ham, Tae Jung Kim, Dorjsembe Banzragch, Ha Neul Ju, Hyung Seok Yu
  • Publication number: 20240208070
    Abstract: An intelligent robot according to an embodiment is disclosed. The intelligent robot according to an embodiment includes at least one processor and a memory configured to store instructions for executing the at least one processor, wherein the intelligent robot includes a plurality of members stacked with gaps to form a shape of a face, and at least one flexible structure disposed in at least one of the gaps, and wherein when the instructions are executed by the at least one processor, the instructions cause the at least one processor to control a motion of the face by applying a force to a power transmission element connected to at least one of the plurality of members based on an audio input.
    Type: Application
    Filed: April 20, 2023
    Publication date: June 27, 2024
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventor: Sehyuk YIM
  • Patent number: 12016726
    Abstract: A flexible ultrasound transducer according to an embodiment of the present disclosure includes a substrate having a central part and a plurality of extended parts extending from the central part; an ultrasound probe disposed at the central part of the substrate to acquire an ultrasound image of a region of interest; and a focused ultrasound output unit disposed at the extended parts of the substrate to output a focused ultrasound to the region of interest, wherein the focused ultrasound output unit disposed at the extended parts of the substrate has a flexible property and is deformable. According to the structure of an embodiment, it is possible to simultaneously achieve ultrasound imaging and ultrasonic therapy such as lesion stimulation or removal through focused ultrasound, and adjust the focal position of focused ultrasound or improve the focal sensitivity through flexible movement.
    Type: Grant
    Filed: May 21, 2021
    Date of Patent: June 25, 2024
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Byung Chul Lee, Shinyong Shim, Dong-Hyun Kang, Hae Youn Kim, Hyung Min Kim, Ki Joo Pahk, Maesoon Im
  • Patent number: 12019724
    Abstract: Embodiments relate to a user authentication device configured to detect a face region in a target object image including at least part of a face of a target object, recognize masked or unmasked in the face region, extract target object characteristics data from the face region of the target object image, call reference data and authenticate if the target object is a registered device user based on the called reference data and the target object characteristics data. The reference data is generated from an unmasked image of the registered device user.
    Type: Grant
    Filed: November 25, 2021
    Date of Patent: June 25, 2024
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Ig Jae Kim, Gi Pyo Nam, Haesol Park, Junghyun Cho, Je Hyeong Hong
  • Publication number: 20240204122
    Abstract: The present disclosure relates to a thin-film solar cell capable of independently adjusting transparency and color, which is capable of selectively controlling transmittance while independently adjusting external and internal colors within a range in which degradation of photoelectric conversion efficiency is minimized, and a method of manufacturing the same, and the thin-film solar cell capable of independently adjusting transparency and color according to the present disclosure includes a structure in which a back transparent electrode, a light absorption layer, a front transparent electrode, and a front color layer are sequentially stacked on a transparent substrate, in which a light transmission part region, to which the back transparent electrode is exposed, is formed by removing the front color layer, the front transparent electrode, and the light absorption layer.
    Type: Application
    Filed: August 23, 2023
    Publication date: June 20, 2024
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jeung-hyun JEONG, Gee Yeong KIM, Won Mok KIM, Eun Pyung CHOI, Seonghoon JEONG, Kyeong Seok LEE
  • Publication number: 20240200185
    Abstract: Provided is a method for manufacturing a multilayer structure. The method for manufacturing the multilayer structure includes providing a substrate in a chamber, providing a target in the chamber, and allowing a target material to be incident into the substrate so as to form a material layer. The target includes magnesium oxide or beryllium oxide. An incident angle of the target material to the substrate is about 9.14° or less.
    Type: Application
    Filed: November 3, 2023
    Publication date: June 20, 2024
    Applicants: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY, Inha University Research and Business Foundation
    Inventors: Hyung-jun KIM, Rino CHOI, Seung-Hwan KIM, Daeyoon BAEK
  • Patent number: 12012537
    Abstract: The present invention relates to a fluorescent nanodiamond preparing method including a first operation of preparing nanodiamonds having an average particle diameter of 10 nm or less, a second operation of implanting plasma ions into the nanodiamonds, a third operation of heat-treating the nanodiamonds implanted with the plasma ions under a vacuum or inert gas atmosphere, a fourth operation of oxygen treatment of the heat-treated nanodiamonds under a gas atmosphere including oxygen to oxidize the surfaces of the nanodiamonds, a fifth operation of acid-treating the oxygen-treated nanodiamonds, a sixth operation of centrifuging and cleaning the acid-treated nanodiamonds, and a seventh operation of drying the cleaned nanodiamonds, wherein, in the second operation, the plasma ions are implanted at an incident ion dose of 1013 ions/cm2 or more and 1020 ions/cm2 or less.
    Type: Grant
    Filed: May 13, 2021
    Date of Patent: June 18, 2024
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Seung Hee Han, Sung Ju Han, Min Seo, Min Gyeong Cho
  • Patent number: 12014292
    Abstract: A method for optimally simulating fluid flow around a real object by (a) defining an initial state of a simulation space having a plurality of lattices with nodes; determining a space occupation state by objects, a fluid state, and a probability distribution state of a particle for respective nodes; generating a flow effect for the respective nodes using a collision rule which is a probability distribution of the particle with respect to the velocity thereof, obtained by satisfying a condition at which a Tsallis or a Rényi-divergence between the collision rule itself and a reference collision rule provides a simulated fluid flow result; and renewing the initial state and varying the space occupation state based on the simulated fluid flow result; and (b) based on step (a) modeling fluid flow around the real object.
    Type: Grant
    Filed: January 17, 2019
    Date of Patent: June 18, 2024
    Assignee: Korea Institute of Science and Technology
    Inventor: Jae Wan Shim
  • Patent number: 12013309
    Abstract: The present disclosure provides an Anderon meter for cryogenic environment including a housing; a control arm installed on an inner circumference of the housing rotatably relative to the housing, and including a pressing portion; and a clamp including a contact portion on a side and an assembly portion on an opposite side, wherein the contact portion is in contact with the pressing portion so that the contact portion is pressed by the pressing portion, and the assembly portion is coupled to an inner circumference of the bearing by interference fit, wherein the pressing portion presses the contact portion by the control of an amount of relative rotation of the control arm and the assembly portion is coupled to the inner circumference of the bearing by interference fit to determine friction characteristics between the inner race of the bearing and the assembly portion.
    Type: Grant
    Filed: July 11, 2022
    Date of Patent: June 18, 2024
    Assignee: Korea Institute of Science and Technology
    Inventors: Yong Bok Lee, Wonil Kwak, Yunseok Ha, Yeong-do Lee, Jeon Kook Lee
  • Patent number: 12011704
    Abstract: Disclosed herein is a catalyst for an upgrading reaction of biomass pyrolysis oil, a method for preparing the same, and a method for upgrading biomass pyrolysis oil using the same. The catalyst is a composite inorganic oxide, and the composite inorganic oxide includes lanthanum, nickel, titanium, and cerium. When a metal catalyst supported on carbon is used as a catalyst for a first step reaction, by using the catalyst as a catalyst for a second step reaction, the efficiency of the upgrading reaction of bio-oil is increased and a continuous reaction is possible without clogging of a continuous reactor.
    Type: Grant
    Filed: December 27, 2022
    Date of Patent: June 18, 2024
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Chunjae Yoo, Jeong-Myeong Ha, Dong Jin Suh, Jae Wook Choi, Young Hyun Yoon, Kyeongsu Kim, Chang Soo Kim, Kwang Ho Kim, Thi Lien Do, Jong Hyun Lee, Jin A Eun