Patents Assigned to POSTECH Academy-Industry Foundation
  • Patent number: 11361052
    Abstract: A method for formatting a weight matrix including a plurality of sub matrices each being multiplied with an input vector may include sequentially adding weight information included in respective first columns of the plurality of sub matrices to formatted data; and sequentially adding weight information included in respective second columns of the plurality of sub matrices to the formatted data after the weight information from the first columns of the plurality of sub matrices. The weight information may be non-zero weight information.
    Type: Grant
    Filed: January 21, 2020
    Date of Patent: June 14, 2022
    Assignees: SK hynix Inc., POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Junki Park, Jae-Joon Kim, Youngjae Jin, Euiseok Kim
  • Patent number: 11362330
    Abstract: A composite positive active material represented by Formula 1, LiaNibCocMndMeO2??Formula 1 wherein, in Formula 1, M is zirconium (Zr), aluminum (Al), rhenium (Re), vanadium (V), chromium (Cr), iron (Fe), gallium (Ga), silicon (Si), boron (B), ruthenium (Ru), titanium (Ti), niobium (Nb), molybdenum (Mo), magnesium (Mg), or platinum (Pt), 1.1?a?1.3, b+c+d+e?1, 0?b?0.3, 0?c?0.3, 0<d?0.6, and 0?e?0.1, wherein, through atomic interdiffusion of lithium and the metal, the composite positive active material has a uniform distribution of lithium excess regions and a uniform degree of disorder of metal cations, and the metal cations have a disordered, irregular arrangement at an atomic scale. Also a method of preparing the composite positive active material, a positive electrode including the composite positive active material, and a lithium battery including the positive electrode.
    Type: Grant
    Filed: October 1, 2019
    Date of Patent: June 14, 2022
    Assignees: SAMSUNG ELECTRONICS CO., LTD., POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Donghee Yeon, Byoungwoo Kang, Junghwa Lee, Byungjin Choi, Sukgi Hong, Jinsu Ha
  • Patent number: 11330698
    Abstract: The objective of the present disclosure is to provide a method of expanding the sheath and bulk of plasma using dual high frequencies, in which the sheath and bulk of microwave-generated plasma are expanded. The method of expanding the sheath and bulk of plasma using dual high frequencies according to one embodiment of the present disclosure includes: a generation step of generating plasma by a microwave plasma generator; and an expansion step of expanding the sheath and bulk of the plasma by applying a radio-frequency (RF) bias to a radio-frequency electrode disposed at a predetermined distance from the microwave plasma generator.
    Type: Grant
    Filed: August 28, 2018
    Date of Patent: May 10, 2022
    Assignee: Postech Academy-Industry Foundation
    Inventors: Ji Mo Lee, Gun Su Yun, Jae Koo Lee, Seung Taek Lee, Woo Jin Nam, Won Seok Kim
  • Patent number: 11323821
    Abstract: A vibration speaker may include a vibration plate fixed to a housing, a vibrator mounted in the housing to vibrate in a vibration direction of the vibration plate and having a magnet forming a magnetic field, a voice coil member configured to vibrate the vibration plate through interaction of the magnet with the vibrator, and a vibration transmission member configured to support the voice coil member in a state of being fixed to an internal surface of the vibration plate and transmit vibration of the voice coil member to the vibration plate, wherein the vibration transmission member includes a spacing support portion fixed to the voice coil member to be spaced from the internal surface of the vibration plate, and a vibration transmission portion protruding from the spacing support portion to be fixed to the internal surface of the vibration plate.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: May 3, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Postech Academy-Industry Foundation
    Inventors: Youngbeom Kim, Minsik Yang, Yonghwan Hwang, Won Kyu Moon, Ingyu Lee
  • Patent number: 11313018
    Abstract: Present invention is about a transformation-induced plasticity high-entropy alloy which can provide improved mechanical properties compared to those obtained by conventional methods, due to the phase transformation occurring at the time of deformation at a cryogenic temperature. According to the present invention, the high-entropy alloy (HEA) includes 10-35 at % of Co, 3-15 at % of Cr, 3-15 at % of V, 35-48 at % of Fe, and 0-25 at % of Ni (exclusive of 25), and mainly consists of an FCC phase at room temperature, wherein transformation-induced plasticity, in which at least part of the FCC phase changes to a BCC phase, occurs at a cryogenic temperature (?196° C.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: April 26, 2022
    Assignee: POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Byeong-joo Lee, Sung-hak Lee, Seok-su Sohn, Hyoung-seop Kim, Dong-geun Kim, Yong-hee Jo, Won-mi Choi
  • Patent number: 11283657
    Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE).
    Type: Grant
    Filed: August 3, 2018
    Date of Patent: March 22, 2022
    Assignees: Samsung Electronics Co., Ltd., Postech Academy-Industry Foundation
    Inventors: Yeohun Yun, Joon Ho Cho, Jubum Kim, Chanhong Kim, Jongbu Lim, Sungnam Hong
  • Publication number: 20220073852
    Abstract: The porous microwell according to an exemplary embodiment of the present invention is characterized in that as a porous microwell which is a cell culture surface for culturing cells, at least one thereof is indented in a downward direction and is located within a region formed by a penetrating part of a cell culture vessel, and the porous microwell includes a plurality of pores together with a connection part formed therearound, and a first porosity formed by first pores thereof and a second porosity formed by second pores formed in the connection part are different from each other.
    Type: Application
    Filed: January 7, 2019
    Publication date: March 10, 2022
    Applicant: Postech Academy-Industry Foundation
    Inventors: Seong Jin LEE, Jae Seung YOON, Seong Su EOM, Sang Min PARK, Dong Sung KIM
  • Patent number: 11267851
    Abstract: An antimicrobial adhesive protein, an antimicrobial nanoparticle, an antimicrobial composition comprising the same nanoparticle, and a preparation method for the same composition are described and, more particularly, an antimicrobial adhesive protein in which an antibiotic peptide is linked to a mussel adhesive protein, a mussel adhesive protein derivative of which a tyrosine residue within the antimicrobial adhesive protein is modified with a catechol derivative, an antimicrobial nanoparticle including a metal capable of forming a coordinate bond with a derivative of the mussel adhesive protein and having intrinsic antimicrobial activity, an antimicrobial composition comprising the same nanoparticle, and a preparation method for the same composition are described.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: March 8, 2022
    Assignees: POSCO, POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Hyung Joon Cha, Yun Kee Jo, Yeonsu Jeong
  • Patent number: 11261175
    Abstract: The present invention relates to a fluorene derivative or a pharmaceutically acceptable salt thereof, a preparation method therefor, and a pharmaceutical composition comprising the same as an effective ingredient for preventing or treating HCV-related disease. A fluorene derivative according to the present invention is identified to exhibit an antiviral performance against not only HCV, but also highly against HCV mutants, particularly double mutants and thus can be used in a pharmaceutical composition for prevention or treatment of HCV-caused liver disease, such as acute hepatitis C, chronic hepatitis C, liver cirrhosis, hepatocellular cancer, etc., particularly, liver disease caused by mutants of HCV. The derivative can be useful in a pharmaceutical composition for prevention or treatment of HCV-related liver disease by which the problem of resistant mutation against conventional therapeutic agents is solved.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: March 1, 2022
    Assignees: Seoul National University R&DB Foundation, Postech Academy-Industry Foundation
    Inventors: Byeong Moon Kim, Sung Key Jang, Young Su You, Il Hak Bae, Heejo Moon, Byeong Wook Kim, Hee Sun Kim, Jaegon Mun
  • Patent number: 11246477
    Abstract: A fluorescence endoscopic method for visualization of colorectal tissue using a fluoroquinolone antibiotic and a method for diagnosis of lesions of colorectal tissue using the same. The fluorescence endoscopic method for visualization of colorectal tissue includes staining goblet cells of the colorectal tissue with moxifloxacin, which is a fluoroquinolone antibiotic, and exciting the stained goblet cells with single photons in the near UV region or in the visible region, followed by fluorescence endoscopic photographing of the goblet cells, thereby enabling acquisition of morphological information on living tissue without damage to or destruction of the colorectal tissue, while allowing diagnosis of lesions of the colon based on the morphological information on living tissue such as information on the distribution of the goblet cells.
    Type: Grant
    Filed: February 28, 2019
    Date of Patent: February 15, 2022
    Assignees: POSTECH ACADEMY-INDUSTRY FOUNDATION, THE ASAN FOUNDATION, UNIVERSITY OF ULSAN FOUNDATION FOR INDUSTRY COOPERATION, OSONG MEDICAL INNOVATION FOUNDATION
    Inventors: Seong Han Kim, Seunghun Lee, Hoon Cheol Jang, Bumju Kim, Viet Hoan Le, Wonyeong Park, Ki Hean Kim, Seung Jae Myung, Seungrag Lee
  • Patent number: 11243178
    Abstract: A method for measuring electron mobility according to the present invention, which is performed by an apparatus comprising a chamber forming a sealed space, an electron gun provided in the chamber, and a metal sample disposed opposite to the electron gun in the sealed space, comprises: an electron irradiation step of irradiating the metal sample with electrons by the electron gun; a sample current measurement step of applying a voltage to the metal sample to measure a sample current obtained in the metal sample according to the applied voltage; a secondary electron current calculation step of calculating a secondary electron current through the measured sample current; and an effective incident current definition step of defining the sum of the measured sample current and the calculated secondary electron current as an effective incident current.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: February 8, 2022
    Assignee: POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Kyu Wook Ihm, Mi Hyun Yang, Yong Jin Kim, Jung Sub Lee
  • Publication number: 20220032260
    Abstract: The present invention relates to a method for controlling an ultrafast chemical reaction using a microfluidic reactor, and more specifically, the present invention relates to a method for controlling an ultrafast chemical reaction such as the Fries rearrangement reaction and the like by using a microfluidic reactor by the 3D metal printing technique.
    Type: Application
    Filed: July 28, 2021
    Publication date: February 3, 2022
    Applicants: Postech Academy-Industry Foundation, Versitech Limited
    Inventors: Dong Pyo KIM, Ji Tae KIM, Hyune Jea LEE
  • Patent number: 11236343
    Abstract: The present invention relates to a method for producing dextran polymer-based amplified nucleic acid aptamer nanoconstructs which efficiently and selectively capture a specific target molecule, the method comprising linking a short nucleic acid sequence or a complementary sequence for formation of nanoconstructs and a nucleic acid aptamer sequence for capture of the specific target molecule to a dextran polymer by a chemical reaction, mixing the resulting polymer/nucleic acid substances with each other to form nanostructures, subjecting the nanostructures to rolling circle amplification, thereby forming a nucleic acid aptamer having a repeated structure. The dextran polymer-based amplified nucleic acid aptamer nanoconstructs have the effect of efficiently and selectively capturing a specific target molecule.
    Type: Grant
    Filed: November 1, 2017
    Date of Patent: February 1, 2022
    Assignees: INSTITUTE FOR BASIC SCIENCE, POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Won Jong Kim, Jeong Hun Kim, Jihyun Lee, Byung Joo Lee
  • Patent number: 11221644
    Abstract: A system for transceiving data based on a clock transition time is provided. A transmitting device included in the system includes at least one first transmitting circuit configured to transmit data via a wired channel by changing a clock transition time based on the data, wherein the at least one first transmitting circuit includes a skew controller configured to output a skew clock generated by controlling a duty ratio and a skew of an input clock, and a phase-difference modulator configured to output a transmission signal including information about the data generated by changing a transition time of the skew clock based on the data.
    Type: Grant
    Filed: May 15, 2019
    Date of Patent: January 11, 2022
    Assignees: Samsung Electronics Co., Ltd., Postech Academy-Industry Foundation
    Inventors: Sooeun Lee, Byungsub Kim
  • Patent number: 11216728
    Abstract: Provided are a weight matrix circuit and a weight matrix input circuit. The weight matrix circuit includes a memory array including n input lines, m output lines, and n×m resistive memory devices each connected to the n input lines and the m output lines and each having a non-linear current-voltage characteristic, an input circuit connected to each of the input lines, and an output circuit connected to each of the output lines. The input circuit is connected to the resistive memory devices such that the weight matrix circuit has a linear current-voltage characteristic.
    Type: Grant
    Filed: June 24, 2019
    Date of Patent: January 4, 2022
    Assignee: POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Jae-Joon Kim, Taesu Kim, Hyungjun Kim
  • Patent number: 11210343
    Abstract: A graph data processing that loads subgraph data including a predetermined number of source vertices on the basis of a memory requirement among graph data including multiple vertices and edges stored in a storage and edge list based on the source vertices, performing a first level process to identify a first arrival vertex connected to each of the source vertices, loading the edge list on the basis of a source vertex of which the first arrival vertex is identified, performing a second level process to identify a second arrival vertex connected to the source vertex of which the first arrival vertex is identified, and processing a query on the basis of the source vertex, the first arrival vertex, and the second arrival vertex.
    Type: Grant
    Filed: August 20, 2019
    Date of Patent: December 28, 2021
    Assignee: POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Wook-Shin Han, Seongyun Ko
  • Patent number: 11186892
    Abstract: Provided is a hot rolled steel sheet having excellent strength and elongation. The hot rolled steel sheet contains, by wt %: carbon (C): 0.05% or more and less than 0.4%, manganese (Mn): 10% to 15%, aluminum (Al): 2% or less, silicon (Si): 0.1 to 2%, molybdenum (Mo): 0.5% or less (excluding 0), vanadium (V): 0.5% or less (excluding 0), phosphorus (P): 0.01% or less, sulfur (S): 0.01% or less, and a remainder of iron (Fe) and inevitable impurities. The hot rolled steel sheet has a microstructure of the hot rolled steel sheet containing, by area %, tempered martensite: 50% to 70%, secondary martensite: 20% or less (excluding 0), epsilon martensite: 2% or less (excluding 0), and retained austenite: 8% to 30%. The hot rolled steel sheet has a tensile strength of at least 1500 MPa, a yield strength of at least 900 MPa and elongation of at least 20%.
    Type: Grant
    Filed: April 12, 2018
    Date of Patent: November 30, 2021
    Assignees: POSCO, POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Sung-Hak Lee, Kyoo-young Lee, Joo-Hyun Ryu, Sea-Woong Lee, Seok-Su Sohn, Hyung-Soo Lee, Min-Chul Jo
  • Patent number: 11188816
    Abstract: Disclosed are a method and an apparatus for detecting spike event or transmitting spike event information generated in a neuromorphic chip. The apparatus for detecting spike event generated in a neuromorphic chip may detect spike event information for a plurality of neurons included in the neuromorphic chip based on a neuron group.
    Type: Grant
    Filed: January 22, 2020
    Date of Patent: November 30, 2021
    Assignees: Samsung Electronics Co., Ltd., POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Jun Seok Kim, Jae Yoon Sim, Hyun Surk Ryu
  • Patent number: 11183177
    Abstract: The present invention relates to a real-time voice recognition apparatus equipped with an application-specific integrated circuits (ASIC) chip and a smartphone, capable, by using one smartphone and one ASIC chip and without using a cloud computer, of assuring personal privacy, and, due to a short delay time, enabling real-time conversion of voice input signals into text for output. When one DRAM chip is optionally added to the real-time voice recognition apparatus, the number of neural network layers is increased thereby significantly improving accuracy of conversion of voice input signals into text.
    Type: Grant
    Filed: April 26, 2018
    Date of Patent: November 23, 2021
    Assignee: Postech Academy-Industry Foundation
    Inventors: Hong June Park, Hyeon Kyu Noh, Won Cheol Lee, Kyeong Won Jeong
  • Patent number: 11168386
    Abstract: The present invention relates to a high-entropy alloy especially having excellent low-temperature tensile strength and elongation by means of having configured, through thermodynamic calculations, an alloy composition region having an FCC single-phase microstructure at 700° C. or higher, and enabling the FCC single-phase microstructure at room temperature and at an ultra-low temperature. The high-entropy alloy, according to the present invention, comprises: Co: 3-12 at %; Cr: 3-18 at %; Fe: 3-50 at %; Mn: 3-20 at %; Ni: 17-45 at %; V: 3-12 at %; and unavoidable impurities, wherein the ratio of the V content to the Ni content (V/Ni) is 0.5 or less, and the sum of the V content and the Co content is 22 at % or less.
    Type: Grant
    Filed: March 21, 2017
    Date of Patent: November 9, 2021
    Assignees: POSTECH ACADEMY-INDUSTRY FOUNDATION, THE INDUSTRY & ACADEMIC COOPERATION IN CHUNGNAM NATIONAL UNIVERSITY
    Inventors: Byeong-joo Lee, Sung-hak Lee, Hyoung-seop Kim, Young-sang Na, Sun-ig Hong, Won-mi Choi, Chang-woo Jeon, Seung-mun Jung