Patents Assigned to Industry-University Cooperation Foundation Sogang University
  • Patent number: 11519835
    Abstract: A method of predicting joining strength of joined dissimilar materials, includes performing a joining strength test on a plurality of specimens of joined dissimilar materials each having different joining information, and acquiring force-displacement data on a basis of the joining information; constructing, in a prediction system, an artificial neural network model for predicting the force-displacement data and the joining strengths from the joining information; learning the artificial neural network model by inputting the force-displacement data to the prediction system, the force-displacement data obtained through the joining strength test; inputting joining information to be predicted to the prediction system by using a computer running a software for performing prediction for the joining strength and connected to a host computer of the prediction system through a network; and predicting, by the learned artificial neural network model, force-displacement value and joining strength.
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: December 6, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Industry-University Cooperation Foundation Sogang University
    Inventors: Yu Jin Bae, Jae Ho Kim, Heung Jae Choi, Dong Choul Kim
  • Patent number: 11148984
    Abstract: The present invention relates to a method of preparing an aromatic compound from acetylene, which includes synthesizing an aromatic compound from an acetylene-containing reactant gas in the presence of a zeolite catalyst for the aromatization of acetylene, and subjecting the zeolite catalyst deactivated by the coke formed in the aromatization of acetylene, to plasma treatment at ambient temperature and pressure so as to selectively remove the external cokes and partial internal coke, thereby regenerating the zeolite catalyst; a method of regenerating the zeolite catalyst used in the aromatization of acetylene by plasma treatment; and a regenerated zeolite catalyst for the aromatization of acetylene, prepared thereof.
    Type: Grant
    Filed: February 28, 2019
    Date of Patent: October 19, 2021
    Assignee: Industry-University Cooperation Foundation Sogang University
    Inventors: Kyoung-Su Ha, MahnJung Kim, Juchan Kim, Jaekwon Jeoung
  • Patent number: 10991362
    Abstract: Provided is a target speech signal extraction method for robust speech recognition including: receiving information on a direction of arrival of the target speech source with respect to the microphones; generating a nullformer by using the information on the direction of arrival of the target speech source to remove the target speech signal from the input signals and to estimate noise; setting a real output of the target speech source using an adaptive vector as a first channel and setting a dummy output by the nullformer as a remaining channel; setting a cost function for minimizing dependency between the real output of the target speech source and the dummy output using the nullformer by performing independent component analysis (ICA) or independent vector analysis (IVA); setting an auxiliary function to the cost function; and estimating the target speech signal by using the cost function and the auxiliary function.
    Type: Grant
    Filed: April 15, 2020
    Date of Patent: April 27, 2021
    Assignee: INDUSTRY-UNIVERSITY COOPERATION FOUNDATION SOGANG UNIVERSITY
    Inventors: Hyung Min Park, Seoyoung Lee, Seung-Yun Kim, Byung Joon Cho, Uihyeop Shin
  • Patent number: 10962936
    Abstract: Provided are a prediction value correction method and apparatus. The prediction value correction method includes steps of: (a) determining a prediction condition to be predicted; (b) receiving past prediction values and past measurement values according to the determined prediction condition; (c) filtering the past prediction values and the past measurement values by using an H-infinity filter to obtain an output value for a final time point; (d) estimating a future bias for a date and time point to be predicted by using the output value of the H-infinity filter; and (e) correcting a future prediction value for the date and time point to be predicted by using the estimated future bias to obtain a corrected future prediction value for the date and time point to be predicted.
    Type: Grant
    Filed: September 11, 2018
    Date of Patent: March 30, 2021
    Assignee: INDUSTRY-UNIVERSITY COOPERATION FOUNDATION SOGANG UNIVERSITY
    Inventors: Jaechan Lim, Hyung Min Park
  • Patent number: 10916239
    Abstract: Provided is a method for beamforming by using maximum likelihood estimation in a speech recognition apparatus, including: (a) receiving an input signal (Xn,k) at a time frame n and a frequency k where noise is mixed: (b) determining a probability density function for a target signal (Yn,k) obtained by removing the noise from the input signal satisfies a complex generalized Guassian distribution or a complex gamma distribution where an average value is zero in a time-frequency domain; (c) estimating a variance (?n,k) of the target signal so as to maximize log likelihood for the probability density function; (d) estimating a filter (wk) maximizing a cost function so as to maximize the log likelihood for the probability density function; and (e) repeatedly performing the estimation of the steps (c) and (d) until the filter (wk) coverages, and finally acquiring a final filter (wk).
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: February 9, 2021
    Assignee: INDUSTRY-UNIVERSITY COOPERATION FOUNDATION SOGANG UNIVERSITY
    Inventor: Hyung Min Park
  • Patent number: 10811145
    Abstract: Provided is a plasma diagnosis system using multiple-path Thomson scattering, including: a laser which supplies laser pulse; an optical system which is configuring to focus alternately a vertical polarization of the laser pulse and a horizontal polarization of the laser pulse on first and second focal points in a plasma; a collection optic which collects lights scattered from the first and second focal points in plasma; a polychromator which filters the lights collected by the collection optics according to spectral characteristics; and a computer which measures spectral characteristics by using the filtered lights. Thomson scattered light which is contaminated with noise due to stray lights is produced in the first collected scattering while the noise due to stray lights is produced in the second collected scattering.
    Type: Grant
    Filed: June 17, 2019
    Date of Patent: October 20, 2020
    Assignee: INDUSTRY-UNIVERSITY COOPERATION FOUNDATION SOGANG UNIVERSITY
    Inventors: Kyu Man Cho, Seung Hyun Yoon, Wha-Keun Ahn, June Gyu Park
  • Patent number: 10803996
    Abstract: Provided is a plasma diagnosis system using multiple-reciprocating-pass Thompson scattering.
    Type: Grant
    Filed: July 23, 2019
    Date of Patent: October 13, 2020
    Assignee: INDUSTRY-UNIVERSITY COOPERATION FOUNDATION SOGANG UNIVERSITY
    Inventors: Kyu Man Cho, June Gyu Park, Seung Hyun Yoon, Wha-Keun Ahn
  • Patent number: 10747721
    Abstract: Provided is a file management/search system based on a block chain capable of identifying a data name and an owner of a data. In the file management/search system, a generated data is stored, and a data name together with an IP address and port number of a node in which the data is stored is transmitted in a form of a transaction to other nodes. The nodes receiving the transaction generates blocks on the basis of the transaction and links the blocks to the block chain, so that the data name and the owner information of the owner generating the data are shared by all users. Since this information is recorded in the block chain and all the nodes share the same information, a malicious node which is to arbitrarily change contents needs to change the contents of the block chain held by all the nodes.
    Type: Grant
    Filed: May 2, 2017
    Date of Patent: August 18, 2020
    Assignee: INDUSTRY-UNIVERSITY COOPERATION FOUNDATION SOGANG UNIVERSITY
    Inventors: Ju-Wook Jang, Moon Yong Jung
  • Publication number: 20200129952
    Abstract: Provided are a dielectric barrier discharge (DBD) plasma reactor including dielectric particles in a packed-bed in a discharge zone, e.g., a DBD plasma reactor for non-oxidative coupling of methane in which an average gap distance between dielectric particles in the packed-bed is adjusted to improve methane conversion and/or product selectivity; a method of regenerating dielectric particles including removing coke, which sis produced by side reactions, from the dielectric particles deactivated by the coke by using a low temperature plasma in an oxidizing atmosphere in the reactor; a method of manufacturing C2+ hydrocarbons, the method including converting methane into C2+ hydrocarbons including ethylene and/or ethane by non-oxidative coupling of methane in the reactor; and a method of manufacturing hydrogen, the method including generating hydrogen from methane by non-oxidative coupling of methane in the reactor.
    Type: Application
    Filed: October 25, 2019
    Publication date: April 30, 2020
    Applicant: Industry-University Cooperation Foundation Sogang University
    Inventors: Kyoung-Su Ha, Juchan Kim, Jinwon Lee, Jaekwon Jeoung
  • Patent number: 10520442
    Abstract: By forming a monolayer of metal core-shell nanoparticles, transferring the monolayer to various substrates and removing the shells surrounding the particles by way of selective etching, it is possible to form large-area uniform nanogap structures very easily. In addition, a nanogap is formed by an ultrasmall void having no limitation in diffusion between metal cores through Van der Waals interaction between the metal core particles, as the etching proceeds. It is possible to enhance a near-field significantly around the nanogap structure.
    Type: Grant
    Filed: June 24, 2016
    Date of Patent: December 31, 2019
    Assignee: Industry-University Cooperation Foundation Sogang University
    Inventors: Taewook Kang, Yuna Sin
  • Patent number: 10456115
    Abstract: An ultrasound system and a clutter filtering method thereof are provided. The clutter filtering method includes: transmitting an ultrasound signal to an object; receiving a reflection signal reflected from the object; performing a singular value decomposition (SVD) on a plurality of doppler signals constituting the reflection signal; dividing a representation of the object into a plurality of regions according to a result of performing the SVD; determining cutoff frequencies of the plurality of regions according to different methods; and performing clutter filtering on the plurality of regions by using the determined cutoff frequencies.
    Type: Grant
    Filed: April 22, 2014
    Date of Patent: October 29, 2019
    Assignees: SAMSUNG ELECTRONICS CO., LTD., Industry-University Cooperation Foundation Sogang University
    Inventors: Hyun-woo Koh, Yang-mo Yoo, Sun-mi Yeo, Woo-youl Lee, Young-tae Kim, Hwan Shim, Hyung-joon Lim
  • Patent number: 10421793
    Abstract: The present invention relates to a proton-transport vesicle and a method for preparing the same, the proton-transfer vesicle comprising: (a) a single phospholipid bilayer liposome; (b) a rhodopsin protein; and (c) a photosystem II protein, wherein the rhodopsin protein and the photosystem II protein are inserted and located in a bilayer of the liposome. Since the heterologous photosensitive proteins are inserted and located in the bilayer of the liposome, the vesicle has an absorption wavelength band of the whole region of visible light by utilizing absorption bands of different lights of the respective photosensitive proteins. Thus, the restricted efficiency caused by utilizing only a specific wavelength in existing organisms or artificial vesicles was improved, and the wavelength region can be enlarged to the all wavelength ranges of visible light.
    Type: Grant
    Filed: October 10, 2014
    Date of Patent: September 24, 2019
    Assignee: INDUSTRY-UNIVERSITY COOPERATION FOUNDATION SOGANG UNIVERSITY
    Inventors: Kwan Woo Shin, Hee Yeon Kim, Kwang-Hwan Jung, Keel Yong Lee, Tae Kyu Ahn
  • Publication number: 20190182792
    Abstract: Provided is a network connection control method based on a user context including: collecting a sensing data including an external noise at every predetermined period, determining a user situation by using the sensing data, and recording information on the user situation in user context information; and selectively connecting a predetermined network so as to correspond to the user situation among a plurality of wireless networks every time when the user context information is changed.
    Type: Application
    Filed: April 28, 2017
    Publication date: June 13, 2019
    Applicant: INDUSTRY-UNIVERSITY COOPERATION FOUNDATION SOGANG UNIVERSITY
    Inventors: Ju-Wook JANG, Hong Jin KIM
  • Publication number: 20190179801
    Abstract: Provided is a file management/search system based on a block chain capable of identifying a data name and an owner of a data. In the file management/search system, a generated data is stored, and a data name together with an IP address and port number of a node in which the data is stored is transmitted in a form of a transaction to other nodes. The nodes receiving the transaction generates blocks on the basis of the transaction and links the blocks to the block chain, so that the data name and the owner information of the owner generating the data are shared by all users. Since this information is recorded in the block chain and all the nodes share the same information, a malicious node which is to arbitrarily change contents needs to change the contents of the block chain held by all the nodes.
    Type: Application
    Filed: May 2, 2017
    Publication date: June 13, 2019
    Applicant: INDUSTRY-UNIVERSITY COOPERATION FOUNDATION SOGANG UNIVERSITY
    Inventors: Ju-Wook JANG, Moon Yong JUNG
  • Patent number: 10202276
    Abstract: Disclosed is a method for manufacturing a microcantilever having a predetermined thickness that includes forming a liquid synthetic resin for cantilevers to a thickness corresponding to the thickness of the microcantilever on an upper surface of a base block having an adhesive base and a non-adhesive base, and curing the liquid synthetic resin for cantilevers via a boundary between the adhesive base and the non-adhesive base, wherein the adhesive base has stronger adhesivity to the cured synthetic resin for cantilevers than the non-adhesive base.
    Type: Grant
    Filed: November 19, 2013
    Date of Patent: February 12, 2019
    Assignee: INDUSTRY-UNIVERSITY COOPERATION FOUNDATION SOGANG UNIVERSITY
    Inventors: Jung Chul Lee, Il Lee
  • Patent number: 10201811
    Abstract: The present invention relates to a method for manufacturing a module type microfluidic chip comprising: (a) printing electrode patterns on a substrate using a conductive ink and inkjet printing; (b) cutting the printed electrode patterns; and (c) assembling the cut electrode patterns to manufacture the module type microfluidic paper chip. Unlike the traditional method for manufacturing printed circuit substrate using a patterning agent or device, the method of the present invention only incorporates a simple printing process using an inkjet printer, and thus patterning can be simplified and various types of chips can be manufactured depending on the assembly type of electrode patterns. Accordingly, inexpensive, economical, and highly utilizable microfluidic chips can be provided using the method of the present invention.
    Type: Grant
    Filed: May 2, 2013
    Date of Patent: February 12, 2019
    Assignee: Industry-University Cooperation Foundation Sogang University
    Inventors: Kwan Woo Shin, Hyo Jin Ko, Oh-Sun Kwon, Jae Hak Choi, Byeong No Lee, Ju Mi Lee
  • Publication number: 20190019584
    Abstract: Provided is a plasma diagnosis system using multiple-reciprocating-path Thompson scattering. The plasma diagnosis system includes: alight source which supplies pulsed laser beams; an optical system which sequentially supplies a pulsed laser beam in a vertical polarization state and a pulsed laser beam in a horizontal polarization state; a collection optic system which measures a first collection signal scattered from the plasma when the pulsed laser beam in the vertical polarization state is focused and measures a second collection signal scattered from the plasma when the pulsed laser beam in the horizontal polarization state is focused; and a controller which measures a Thomson scattering signal for the plasma by using the first and second collection signals measured by the collection optic system, and the second collection signal is a background scattering noise signal.
    Type: Application
    Filed: April 15, 2016
    Publication date: January 17, 2019
    Applicant: INDUSTRY-UNIVERSITY COOPERATION FOUNDATION SOGANG UNIVERSITY
    Inventors: Kyu Man CHO, June Gyu PARK, Seung Hyun YOON, Wha-Keun AHN
  • Publication number: 20190019583
    Abstract: Provided is a plasma diagnosis system using multiple-path Thomson scattering, including: a light source which supplies pulsed laser beams; an optical system which includes first and second beam focusing units and supplies a pulsed laser beam in a vertical polarization state and a pulsed laser beam in a horizontal polarization state to the first and second beam focusing units; a collection optic system which measures a first collection signal obtained by collecting signals scattered from the plasma and a second collection signal obtained by collecting signals scattered from the plasma and measures the first and second collection signals; and a controller which measures a Thomson scattering signal for the plasma by using the first and second collection signals. The first and second collection signals are configured with one of a background scattering noise signal and a mixed signal of a Thomson scattering signal and the background scattering noise signal.
    Type: Application
    Filed: April 15, 2016
    Publication date: January 17, 2019
    Applicant: Industry-University Cooperation Foundation Sogang University
    Inventors: Kyu Man CHO, Seung Hyun YOON, Wha-Keun AHN, June Gyu PARK
  • Patent number: 10132832
    Abstract: A method for manufacturing a microcantilever having a cantilever and a functional probe provided on the cantilever may include steps of: providing a probe mold which accommodates a liquid probe solution in which quantum dots for the functional probe are mixed, and has a groove corresponding to the shape of the functional probe; bringing a cantilever into contact with the probe mold on which the groove is formed to correspond to the location of the functional probe; forming the functional probe on the cantilever by curing the probe solution accommodated in the groove in a state where the cantilever contacts the probe mold; and separating the cantilever from the probe mold.
    Type: Grant
    Filed: April 1, 2016
    Date of Patent: November 20, 2018
    Assignee: INDUSTRY-UNIVERSITY COOPERATION FOUNDATION SOGANG UNIVERSITY
    Inventors: Jung Chul Lee, Seok Beom Kim, Jae Seol Lee
  • Patent number: 10093535
    Abstract: Provided is a method for manufacturing a microchannel resonator capable of measuring a mass and characteristics of an object using a principle in which a resonance frequency is changed according to a mass of a moving material, the method including: providing a silicon substrate; forming a cavity channel inside the silicon substrate; forming a hollow silicon oxide structure on the inner wall surface of the cavity channel by oxidizing the inner wall surface of the cavity channel; and partially removing the periphery of the hollow silicon oxide structure such that the hollow silicon oxide structure can resonate with respect to the silicon substrate.
    Type: Grant
    Filed: October 13, 2014
    Date of Patent: October 9, 2018
    Assignee: INDUSTRY-UNIVERSITY COOPERATION FOUNDATION SOGANG UNIVERSITY
    Inventors: Jung Chul Lee, Joo Hyun Kim