Patents Assigned to Korea Institute of Science and Technology
  • FLASH MEMORY DEVICE USED IN NEUROMORPHIC COMPUTING SYSTEM
    Publication number: 20220399353
    Abstract: A flash memory device is provided. The flash memory device is disposed on a substrate, a channel layer made of a two-dimensional material, sources and drains disposed at both ends of the channel layer, a tunneling insulating layer having a first dielectric constant and a tunneling insulating layer disposed on the channel layer, a floating gate made of a two-dimensional material, a blocking insulating layer disposed on the floating gate and having a second dielectric constant greater than the first dielectric constant, and an upper gate disposed on the blocking insulating layer.
    Type: Application
    Filed: November 30, 2021
    Publication date: December 15, 2022
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Joon Young KWAK, Eunpyo PARK, Suyoun LEE, Inho KIM, Jong-Keuk PARK, Jaewook KIM, Jongkil PARK, YeonJoo JEONG
  • Quantum signature method and quantum secret sharing method using quantum trapdoor one-way function
    Patent number: 11528133
    Abstract: This specification discloses a quantum public-key cryptosystem. The quantum public-key cryptosystem may use two rotation operators R{circumflex over (n)}(?) and R{circumflex over (m)}(?) satisfying a cyclic evolution. The two rotation operators R{circumflex over (n)}(?) and R{circumflex over (m)}(?) do not have a commutation relation or an anti-commutation relation with each other. The commutation relation or the anti-commutation relation is established when either of the following conditions is satisfied: ?=2i?, ?=2j?, or {circumflex over (n)}·{circumflex over (m)}=1 (i, j=integer), and ?=(2k+1)?, ?=(2l+1)?, or {circumflex over (n)}·{circumflex over (m)}=0 (k, l=integer).
    Type: Grant
    Filed: January 10, 2020
    Date of Patent: December 13, 2022
    Assignee: Korea Institute of Science and Technology
    Inventors: Sang Wook Han, Sung Wook Moon, Yong Su Kim, Sang Yun Lee, Young Wook Cho, Min Sung Kang, Ji Woong Choi
  • Air conditioning system and control method thereof
    Patent number: 11525600
    Abstract: An air conditioning control system includes a casing including paths through which air passes, dampers arranged at an entrance and an exit of each of the paths and operated to open or close the entrance and the exit according to a control signal, a heat and mass exchanger including a hygroscopic material for absorbing moisture and arranged across the paths to be rotated with respect to the casing, a driving unit rotating the heat and mass exchanger, a heat exchange unit having a heat transfer medium flowing inside the heat exchange unit and arranged on at least one of the paths, and a controller opening or closing the entrance and the exit of the paths by applying a control signal to the dampers, and changing a rotation speed of the heat and mass exchanger by applying a control signal to the driving unit, according to operation modes.
    Type: Grant
    Filed: June 28, 2016
    Date of Patent: December 13, 2022
    Assignee: Korea Institute of Science and Technology
    Inventor: Dae Young Lee
  • Fractal structure for power-generation of bearing rotating vibration
    Patent number: 11525477
    Abstract: Provided is a fractal structure for power-generation of bearing rotating vibration that is installed on an outer ring of a bearing to generate power using vibration generated from a micro whirling motion of the bearing, the fractal structure including a housing which is in contact with the outer ring of the bearing to receive the vibration generated from the micro whirling motion of the bearing, and has a receiving space therein, a flexible element which is disposed in the receiving space while being in contact with an inner circumference of the housing to convert the vibration into a radial direction, and a piezoelectric element which is installed between the housing and the flexible element and disposed near the receiving space, and deforms upon receiving the vibration converted in the radial direction from the flexible element, thereby producing electricity.
    Type: Grant
    Filed: December 16, 2019
    Date of Patent: December 13, 2022
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Yong Bok Lee, Wonil Kwak, Bok Seong Choe, Jungwan Kim
  • Non-invasive treatment system using intermedium
    Patent number: 11524182
    Abstract: Disclosed herein is a non-invasive treatment system using intermedium, and an exemplary treatment system is configured to output high-intensity focused ultrasound to remove bone tissue, inject an acoustically-transparent medium into a part where the bone tissue is removed to generate an intermedium, and output therapeutic ultrasound that passes through the intermedium. Accordingly, the bone tissue is removed in a non-invasive way using high-intensity focused ultrasound, and the intermedium is generated at the bone tissue removed site, to increase the penetration of therapeutic ultrasound or generate ultrasound itself, thereby improving an ultrasound treatment effect while minimizing the side effect (for example, infection of dura mater) of invasive surgery methods.
    Type: Grant
    Filed: February 14, 2019
    Date of Patent: December 13, 2022
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Byung Chul Lee, Hyung Min Kim, Ki Joo Pahk
  • System and method for re-identifying target object based on location information of CCTV and movement information of object
    Patent number: 11527000
    Abstract: Embodiments relate to a method for re-identifying a target object based on location information of closed-circuit television (CCTV) and movement information of the target object and a system for performing the same, the method including detecting at least one object of interest in a plurality of source videos based on a preset condition of the object of interest, tracking the identified object of interest on the corresponding source video to generate a tube of the object of interest, receiving an image query including a target patch and location information of the CCTV, determining at least one search candidate area based on the location information of the CCTV and the movement information of the target object, re-identifying if the object of interest seen in the tube of the object of interest is the target object, and providing a user with the tube of the re-identified object of interest.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: December 13, 2022
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Ig Jae Kim, Heeseung Choi, Haksub Kim, Seungho Chae, Yoonsik Yang
  • Personal modular trunk and modular trunk system employing the same
    Patent number: 11524734
    Abstract: A personal modular trunk and a modular trunk system employing the personal modular trunk for reducing privacy issues and inconveniences that may arise when a vehicle is shared. The personal modular trunk includes: a trunk body; a first communication unit installed in the trunk body and configured to communicate with a vehicle; a first driving unit installed in the trunk body and configured to transport the trunk body; a first engagement unit installed in the trunk body and configured to engage or disengage with a loading space of the vehicle; and a first control unit configured to control the first communication unit to communicate with the vehicle, control the first driving unit to transport the trunk body toward the vehicle, and control the first engagement unit to engage or disengage with the loading space of the vehicle so that the trunk body is coupled to or separated from the vehicle.
    Type: Grant
    Filed: September 16, 2019
    Date of Patent: December 13, 2022
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Chansoo Kim, Haneol Cho, Kyung O Baek
  • Method of texturing semiconductor substrate, semiconductor substrate manufactured using the method, and solar cell including the semiconductor substrate
    Patent number: 11527673
    Abstract: An embodiment includes a method of texturing a semiconductor substrate, a semiconductor substrate manufactured using the method, and a solar cell including the semiconductor substrate, the method including: forming metal nanoparticles on a semiconductor substrate, primarily etching the semiconductor substrate, removing the metal nanoparticles, and secondarily etching the primarily etched semiconductor substrate to form nanostructures.
    Type: Grant
    Filed: November 1, 2017
    Date of Patent: December 13, 2022
    Assignee: Korea Institute of Science and Technology
    Inventors: Doh Kwon Lee, In Ho Kim, Won Mok Kim, Jong Keuk Park, Taek Sung Lee, Doo Seok Jeong, Hyeon Seung Lee, Jeung Hyun Jeong
  • ANODE-FREE ALL-SOLID-STATE BATTERY INCLUDING SOLID ELECTROLYTE HAVING HIGH ION CONDUCTIVITY AND SURFACE-ROUGHENED ANODE CURRENT COLLECTOR
    Publication number: 20220393180
    Abstract: Disclosed is an anode-free all-solid-state battery having improved charge/discharge cycle stability. Specifically, the anode-free all-solid-state battery includes a cathode layer containing a cathode active material, an anode current collector layer, and a solid electrolyte layer interposed between the cathode layer and the anode current collector layer, wherein the anode current collector layer has a surface roughness (Rq) of 100 nm to 1,000 nm.
    Type: Application
    Filed: March 1, 2022
    Publication date: December 8, 2022
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Sang Baek PARK, Byung Kook KIM, Jong Ho LEE, Ji Won SON, Kyung Joong YOON, Hyoung Chul KIM, HO IL JI, Sung Eun YANG, Deok Hwang KWON, Hyung Mook KANG, Dong Hee GU
  • Method and system for three-dimensional automatic scan based primitive
    Patent number: 11519714
    Abstract: The present invention relates to a method and a system for three-dimensional automatic scan based primitive, and estimates a three-dimensional model of an object from three-dimensional scan data of the object, recognizes a shape of the three-dimensional model by using fitting with at least one primitive, evaluates confidence of each of surface points of the three-dimensional model based on similarity between the at least one primitive used for shape recognition and the shape of the three-dimensional model, and scans the object in a series of views determined based on the confidence of each of the surface points, and thus, accuracy of the three-dimensional scan of the object is improved and time required for scan may be reduced.
    Type: Grant
    Filed: February 19, 2020
    Date of Patent: December 6, 2022
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: ByoungHyun Yoo, JiHyun Seo
  • Coloring pattern structure and method of manufacturing the same
    Patent number: 11520091
    Abstract: Provided is a coloring pattern structure. The coloring pattern structure includes: a substrate; a light-transmitting dielectric layer formed on at least one surface of the substrate; and a composite material layer disposed on an upper surface of the light-transmitting dielectric layer and formed of a metal and a first material not having a thermodynamic solid solubility in the metal, wherein the metal included in the composite material layer has a pattern coated only on portions of the upper surface of the light-transmitting dielectric layer, and the first material is coated on the remaining area where the metal is not coated.
    Type: Grant
    Filed: November 14, 2019
    Date of Patent: December 6, 2022
    Assignee: Korea Institute of Science and Technology
    Inventors: Ji Young Byun, So Hye Cho, Seung Yong Lee, Kwang-Deok Choi, In Uk Baek, Yun Hee Kim
  • Method for manufacturing catalyst for fuel cell using blood of slaughtered livestock
    Patent number: 11522200
    Abstract: The present disclosure is a method for manufacturing a catalyst for a fuel cell using the blood of slaughtered livestock. The method for manufacturing a catalyst for a fuel cell using the blood of slaughtered livestock of the present disclosure allows preparation of a catalyst for a fuel cell exhibiting high redox reaction activity and very superior durability as compared to a commercially available platinum catalyst through a very simple process of purification of the blood of slaughtered livestock and hydrothermal synthesis. In addition, the method is very economical in that a catalyst is prepared using the pure blood of livestock only without an artificial additive, waste disposal cost can be reduced by recycling the blood of livestock and a high-performance catalyst capable of replacing the expensive platinum catalyst can be prepared.
    Type: Grant
    Filed: December 11, 2019
    Date of Patent: December 6, 2022
    Assignee: Korea Institute of Science and Technology
    Inventors: Sung Jong Yoo, Hee-Young Park, So Young Lee, Hyun Seo Park, Jin Young Kim, Jong Hyun Jang, Hyoung-Juhn Kim, Pil Kim, Yeonsun Sohn, Jiho Lee
  • SENSOR FOR DOPAMINE-SELECTIVE DETECTION AND PREPARATION METHOD THEREFOR
    Publication number: 20220381722
    Abstract: The present invention relates to a sensor for dopamine-selective detection, a preparation method therefor, and use thereof.
    Type: Application
    Filed: May 18, 2022
    Publication date: December 1, 2022
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Yi Jae LEE, Seunghyeon KO
  • METHOD FOR PRODUCING LACTIC ACID FROM WASTE PAPER USING LANTHANIDE-BASED METAL CATALYST
    Publication number: 20220379286
    Abstract: Disclosed are a method for producing lactic acid from wastes containing cellulose and/or hemicellulose and a catalyst for thermochemical conversion reaction of wastes containing cellulose and/or hemicellulose. The method includes a step of adding a metal catalyst to wastes containing cellulose and/or hemicellulose and performing thermochemical conversion reaction. The method provides an effect of producing lactic acid from discarded wastes, e.g., waste paper such as waste corrugated paperboards, waste paper boxes, waste newspapers, etc.
    Type: Application
    Filed: May 11, 2022
    Publication date: December 1, 2022
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Kwang Ho KIM, Chang Soo KIM, Jeong-Myeong HA, Jae Wook CHOI, Chunjae YOO
  • Method of manufacturing solid oxide fuel cell using calendaring process
    Patent number: 11515544
    Abstract: Disclosed is a method of manufacturing a solid oxide fuel cell using a calendering process. The method includes preparing a stack including an anode support layer (ASL) and an anode functional layer (AFL), calendering the stack to obtain an anode, stacking an electrolyte layer on the anode to obtain an assembly, calendering the assembly to obtain an electrolyte substrate, sintering the electrolyte substrate, and forming a cathode on the electrolyte layer of the electrolyte substrate.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: November 29, 2022
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Hae-Weon Lee, Ho Il Ji, Byung Kook Kim, Jong Ho Lee, Ji-Won Son, Kyung Joong Yoon, Hyoungchul Kim, Sungeun Yang, Sangbaek Park, Junseok Kim, Jisu Shin
  • Method and apparatus for fabricating capsule
    Patent number: 11511253
    Abstract: Provided is a method of fabricating capsules. The method includes: forming droplets of a dispersed phase solution including a phase transition material, a carbon nanomaterial, and a first monomer by allowing the dispersed phase solution to pass through nozzle units provided at a porous membrane in a reaction tank including the porous membrane; migrating the droplets into a mobile phase material including a second monomer; and forming polymer shells at interfaces between the droplets and the mobile phase material by polymerization between the first monomer and the second monomer.
    Type: Grant
    Filed: March 5, 2020
    Date of Patent: November 29, 2022
    Assignee: Korea Institute of Science and Technology
    Inventors: Sun Choi, Youngkyun Jung, Ung Su Choi
  • Smart contact lens for non-invasive drug delivery
    Patent number: 11510868
    Abstract: Provided is a smart contact lens for non-invasive drug delivery including a platform configured to be worn on an eye, a reservoir installed within the platform, and having a receiving part in which a drug is received, to provide the eye with the drug, an electrode for iontophoresis installed in the reservoir to make iontophoresis work, to provide the eye with the drug from the reservoir, and an activation chip electrically connected to the electrode for iontophoresis to activate iontophoresis.
    Type: Grant
    Filed: November 4, 2019
    Date of Patent: November 29, 2022
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jinseok Kim, Yong-Won Song, Hyungdal Park, Ockchul Kim
  • System of condition monitoring of self power-generated bearing module
    Patent number: 11513032
    Abstract: Provided is a system for real-time condition diagnosis of a bearing module including a self-power generation module installed in an outer ring of a bearing to generate electricity using vibration generated from a micro whirling motion of the bearing, a behavior detection unit installed in the bearing to detect behavior information of the bearing in real time, a wireless transmission module connected to the behavior detection unit to transmit the real-time detected behavior information of the bearing to an external device, and a condition diagnosis unit that receives the behavior information of the bearing transmitted from the wireless transmission module and diagnoses condition of the bearing in real time, wherein the real-time behavior information of the behavior detection unit installed in the bearing is transmitted through the electricity obtained by the self-power generation module.
    Type: Grant
    Filed: February 18, 2020
    Date of Patent: November 29, 2022
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Yong Bok Lee, Wonil Kwak, Junsang Kong, Jungwan Kim, Yunseok Ha
  • VISIBLE LIGHT-ACTIVATABLE NANOPARTICLES FOR CANCER IMMUNOTHERAPY AND USE THEREOF
    Publication number: 20220370611
    Abstract: Disclosed are visible light-activatable antitumor self-assembled nanoparticles or antitumor immunity-inducing self-assembled nanoparticles. The self-assembled nanoparticles induce potent apoptosis in cancer cells and increase their own anticancer immunogenicity, thereby maximizing their therapeutic efficacy for cancer.
    Type: Application
    Filed: November 18, 2021
    Publication date: November 24, 2022
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Kwangmeyung KIM, In-Cheol SUN, Man Kyu SHIM, Ji Woong CHOI
  • UV- AND HEAT-CURABLE LADDER-LIKE POLYSILSESQUIOXANE COPOLYMER, INSULATION COMPOSITION CONTAINING SAME AND METHOD FOR FORMING MICROCIRCUIT PATTERN USING SAME
    Publication number: 20220372231
    Abstract: The present disclosure relates to a UV- and heat-curable ladder-like polysilsesquioxane copolymer and a method for preparing the same. Since a controlled functionality can be provided only on a desired region via a thiol-ene click reaction without an additional additive, an insulating layer having a low dielectric constant and a microcircuit pattern can be formed without an additional etching process.
    Type: Application
    Filed: July 23, 2021
    Publication date: November 24, 2022
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Seung Sang HWANG, Soon Man Hong, Kyung Youl Baek, Chong Min Koo, Albert Lee, Seon Joon Kim, You Mee Choi