Patents by Inventor Kak Namkoong
Kak Namkoong has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240091767Abstract: A gene amplification chip includes a chamber layer, a cover layer, a bottom layer, an inlet, and an outlet. The chamber layer has a first passage and through holes which are formed on one side of the first passage. The cover layer is disposed on one side of the chamber layer and has a cover channel formed to communicate with the first passage and the through holes, wherein the cover channel, the first passage and the through holes allow passage of liquids in a divided manner. The bottom layer is disposed on another side of the chamber layer and has a bottom channel formed to communicate with the first passage and the through holes. The inlet is formed in the cover layer and communicates with the cover channel. The outlet communicates with any one of the cover channel and the bottom channel.Type: ApplicationFiled: December 15, 2022Publication date: March 21, 2024Applicant: SAMSUNG ELECTRONICS CO, LTD.Inventors: Jae Hong LEE, Won Jong JUNG, Kak NAMKOONG, Hyeong Seok JANG, Jin Ha KIM, Hyung Jun YOUN
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Patent number: 11931173Abstract: A mobile healthcare device and method of operating the same are provided. The method includes setting a mode of the mobile healthcare device to a measurement mode, displaying a screen for guiding a user to maintain a predetermined position during the measurement mode, and, in response to a predetermined amount of time passing from a time at which the screen begins to be displayed, obtaining state information of the user based on bio information of the user, the bio information being received from a sensor.Type: GrantFiled: July 6, 2021Date of Patent: March 19, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kunsun Eom, Kak Namkoong, Yeolho Lee, Myounghoon Jung, Seongho Cho
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Publication number: 20240068946Abstract: An amplification reaction chamber and a method for nucleic acid (NA) amplification in a gene analysis system are provided. The amplification reaction chamber includes an interior surface within which an NA amplification reaction is performed. The amplification reaction chamber also includes a multi-layered nanostructure coating conformally applied to at least a portion of the interior surface and including sub-micrometer nanostructures that enhance fluorescence in the NA amplification reaction based on at least one of plasmonic material of which the sub-micrometer nanostructures are made and geometric dimensions of the sub-micrometer nanostructures.Type: ApplicationFiled: November 3, 2022Publication date: February 29, 2024Inventors: Vinayak NARASIMHAN, Radwanul Hasan SIDDIQUE, Wonjong JUNG, Kak NAMKOONG, Youngzoon YOON
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Patent number: 11913932Abstract: An apparatus for measuring a concentration of a target gas includes: a gas sensor including a sensing layer having an electric resistance that changes by an oxidation reaction or a reduction reaction between gas molecules and the sensing layer; and a processor configured to, in response to the target gas being introduced along with air into the gas sensor, monitor a change of the electric resistance of the sensing layer and determine the concentration of the target gas by analyzing a shape of the change of the electric resistance.Type: GrantFiled: March 26, 2020Date of Patent: February 27, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Won Jong Jung, Kak Namkoong, Yeol Ho Lee, Joon Hyung Lee, Ki Young Chang
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Publication number: 20230381772Abstract: A gene amplification chip may include: a cover layer having a solution inlet through which a sample solution to be injected; a chamber layer disposed on one surface of the cover layer, and having a chamber to receive the sample solution when the sample solution is injected through the solution inlet such that an amplification reaction of the sample solution occurs in the chamber; a bottom layer disposed on another surface of the chamber layer; and a photothermal film attached to an outer surface of the bottom layer, and configured to convert light into heat to heat the sample solution received in the chamber.Type: ApplicationFiled: September 28, 2022Publication date: November 30, 2023Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jae Hong LEE, Kak NAMKOONG, Hyeong Seok JANG, Won Jong JUNG, Hyung Jun YOUN
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Publication number: 20230301540Abstract: A method of measuring a bio signal using a bio signal measuring apparatus includes: positioning electrodes included as part of the bio signal measuring apparatus to contact a surface of an examinee; switching an impedance measurer included as part of the bio signal measuring apparatus and including a voltmeter and a current source; measuring a first impedance value of the examinee while operating the impedance measurer according to a first mode; switching the impedance measurer to a second mode; measuring a second impedance value of the examinee while operating the impedance measurer according to a second mode; and obtaining bio impedance of the examinee based on the first and second impedance values and an internal impedance of the current source.Type: ApplicationFiled: April 14, 2023Publication date: September 28, 2023Applicant: SAMSUNG ELECTRONICS CO., LTDInventors: Myounghoon JUNG, Kak NAMKOONG, Youngjun KOH, Jungmok BAE, Yeolho LEE, Hyeongseok JANG
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Publication number: 20230302447Abstract: An apparatus and method for bio-particle detection are provided. The apparatus for bio-particle detection includes: a bio-particle detection chip including a substrate having a plurality of through-hole groups, each through-hole group of the plurality of through-hole groups including through-holes which pass through the substrate from a first surface of the substrate toward an second surface of the substrate opposite to the first surface, and which are configured to accommodate a sample solution loaded therein; and a processor configured to determine a number of through-holes, among the through holes of at least one through-hole group of the plurality of through-hole groups, having a target material encapsulated therein, based on at least one of an electrical signal and an optical signal corresponding to the through-holes of the at least one through-hole group, and to estimate a concentration of the target material based on the determined number.Type: ApplicationFiled: August 16, 2022Publication date: September 28, 2023Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Won Jong JUNG, Hyeong Seok JANG, Kak NAMKOONG, Hyung Jun YOUN, Jae Hong LEE
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Publication number: 20230234064Abstract: An assay repository device for photothermal or joule heating includes an assay container having an interior surface and being configured to house an assay solution, and a nanostructure layer conformally integrated onto the assay container and directly contacting the interior surface, the nanostructure layer being plasmonic and thermally conductive, and including a plurality of nanofeatures having non-uniform sizes and/or non-uniform shapes.Type: ApplicationFiled: January 19, 2023Publication date: July 27, 2023Inventors: Vinayak Narasimhan, Radwanul Hasan Siddique, Wonjong Jung, Kak Namkoong, Youngzoon Yoon
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Publication number: 20230218192Abstract: The wrist-type body component measuring apparatus includes: a band configured to be worn on a wrist of a user; a first input electrode and a first output electrode disposed on an inside surface of the band and configured to be in contact with the wrist of the user; a second input electrode and a second output electrode disposed on an outside surface of the band; a measuring unit configured to apply a current to the first and second input electrodes and detect a voltage from the first and second output electrodes to measure a body impedance of the user; and an electrode converter configured to convert a disposition of the first and second input electrodes and the first and second output electrodes based on a determination of whether the band is worn on a left wrist or a right wrist of the user.Type: ApplicationFiled: March 15, 2023Publication date: July 13, 2023Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kunsun EOM, Yeolho LEE, Kak NAMKOONG, Myounghoon JUNG, Seongho CHO
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Patent number: 11673122Abstract: A member for a metal oxide nanofiber based gas sensor can include a metal nanoparticle catalyst and can be formed to be functionalized by binding the metal nanoparticle catalyst and an alkali or alkaline earth metal through electrospinning and heat treatment processes. The member can detect a trace amount of a gas with high selectivity and ultra-high sensitivity by uniformly binding the alkali or alkaline earth metal and the metal nanoparticle catalyst through electrospinning and high-temperature heat treatment.Type: GrantFiled: May 17, 2021Date of Patent: June 13, 2023Assignees: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Won Jong Jung, Il Doo Kim, Kak Namkoong, Dong Ha Kim, Yeol Ho Lee, Joon Hyung Lee, Ki Young Chang, Ji Soo Jang, Ha Min Shin, Yoon Hwa Kim
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Patent number: 11653850Abstract: A method of measuring a bio signal using a bio signal measuring apparatus includes: positioning electrodes included as part of the bio signal measuring apparatus to contact a surface of an examinee; switching an impedance measurer included as part of the bio signal measuring apparatus and including a voltmeter and a current source; measuring a first impedance value of the examinee while operating the impedance measurer according to a first mode; switching the impedance measurer to a second mode; measuring a second impedance value of the examinee while operating the impedance measurer according to a second mode; and obtaining bio impedance of the examinee based on the first and second impedance values and an internal impedance of the current source.Type: GrantFiled: December 31, 2018Date of Patent: May 23, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Myounghoon Jung, Kak Namkoong, Youngjun Koh, Jungmok Bae, Yeolho Lee, Hyeongseok Jang
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Publication number: 20230145041Abstract: The present disclosure relates to an apparatus and method for gene amplification. The apparatus for gene amplification may include: an upper main body comprising a first inlet to receive a sealing solution, a second inlet to receive a sample solution, and an upper passage that allows the sample solution and the sealing solution to move by capillary action; a lower main body disposed to oppose the upper main body, and having a lower passage through which the sealing solution moves by capillary action after being injected from the first inlet of the upper main body; a gene amplification chip configured to be inserted between the upper main body and the lower main body; and a porous medium configured to be inserted between the upper main body and the lower main body.Type: ApplicationFiled: March 2, 2022Publication date: May 11, 2023Applicants: SAMSUNG ELECTRONICS CO., LTD., SEOUL NATIONAL UNIVERSITY R&DB FOUNDATIONInventors: Won Jong JUNG, Ho-Young Kim, Hyeong Seok Jang, Kak Namkoong, Tae Jeong Kim, Jae Hong Lee, Sohyun Jung
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Patent number: 11627889Abstract: The wrist-type body component measuring apparatus includes: a band configured to be worn on a wrist of a user; a first input electrode and a first output electrode disposed on an inside surface of the band and configured to be in contact with the wrist of the user; a second input electrode and a second output electrode disposed on an outside surface of the band; a measuring unit configured to apply a current to the first and second input electrodes and detect a voltage from the first and second output electrodes to measure a body impedance of the user; and an electrode converter configured to convert a disposition of the first and second input electrodes and the first and second output electrodes based on a determination of whether the band is worn on a left wrist or a right wrist of the user.Type: GrantFiled: February 15, 2019Date of Patent: April 18, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kunsun Eom, Yeolho Lee, Kak Namkoong, Myounghoon Jung, Seongho Cho
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Patent number: 11612333Abstract: An apparatus for obtaining bio information includes: a first electrode portion including a current electrode and a voltage electrode arranged to contact a first body portion of a subject; a second electrode portion including a current electrode and a voltage electrode arranged to contact a second body portion of the subject; and a measuring unit configured to measure a bio impedance of the subject by applying a current to the current electrodes of the first and second electrode portions and detecting a voltage at the voltage electrodes of the first and second electrode portions. In order to decrease errors of a measured bio impedance, contact resistances of the first and second body portions of the subject contacting the current electrode and the first and second body portions of the subject contacting the voltage electrode are different from each other, for at least one of the first and second electrode portions.Type: GrantFiled: June 3, 2022Date of Patent: March 28, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Myounghoon Jung, Eunsung Park, Kak Namkoong, Kunsun Eom, Yeolho Lee, Seongho Cho
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Patent number: 11596322Abstract: A bio-signal measuring apparatus includes a first electrode, a second electrode, a third electrode, a fourth electrode, and a first circuit network and a second circuit network, each of the first circuit network and the second circuit network includes one or more resistances. The bio-signal measuring apparatus further includes an impedance measurer configured to measure a first impedance of the first circuit network in a first correction mode, measure a second impedance of the second circuit network in a second correction mode, measure a third impedance of an object in a first measurement mode, using the first electrode, the second electrode, the third electrode, and the fourth electrode, and measure a fourth impedance of the object in a second measurement mode, using the first electrode, the second electrode, the third electrode, and the fourth electrode.Type: GrantFiled: November 28, 2018Date of Patent: March 7, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Myoung Hoon Jung, Kak Namkoong, Yeol Ho Lee, Won Jong Jung
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Publication number: 20230058347Abstract: A blood vessel detection device comprises: a first irradiation unit for irradiating a predetermined site of a subject with light of a first wavelength that is absorbed less by hemoglobin or water and light of a second wavelength that is absorbed more by hemoglobin or water than the first wavelength; a second irradiation unit for irradiating the predetermined site with light of a third wavelength that is absorbed less by hemoglobin; a light intensity detection unit for detecting the intensity of light emitted from the subject at one or more positions spaced apart by a predetermined distance from the light irradiation positions of the first and second irradiation units or one or more contiguous positions; and a control unit that calculates blood vessel depth information, calculates blood vessel angle information, and determines an optimal position for measurement based on the blood vessel depth information and the blood vessel angle information.Type: ApplicationFiled: January 25, 2021Publication date: February 23, 2023Inventors: Atsushi TAKAMIZAWA, Kazuya IINAGA, KI YOUNG CHANG, JOON HYUNG LEE, KAK NAMKOONG, YEOL HO LEE, WON JONG JUNG
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Publication number: 20230044621Abstract: An apparatus for gene amplification includes a gene amplification chip including a well configured to accept a sample that is loaded into the well; the gene amplification chip being configured to: thermally dissolve the sample in the well so that a microbe present in the sample is thermally dissolved in the well to release genes in the microbe; and amplify the released genes in the well. The apparatus for gene amplification also includes a temperature controller configured to control a thermal dissolution temperature and a gene amplification temperature of the well.Type: ApplicationFiled: November 24, 2021Publication date: February 9, 2023Applicants: SAMSUNG ELECTRONICS CO., LTD., AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATIONInventors: Won Jong JUNG, Kwon-Young CHOI, Kak NAMKOONG, Hyuna PARK, Hyeong Seok JANG
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Publication number: 20220357280Abstract: An apparatus for estimating a concentration of a biomarker, may include: an inlet configured to receive the biomarker of an object; a chamber configured to store the biomarker; a sensor cartridge comprising a measurement channel provided as a porous substrate, the measurement channel comprising a probe which is disposed in each pore of the porous substrate and changes in color upon reaction with the biomarker; a light source configured to emit light onto the measurement channel; a detector configured to detect the light incident from the measurement channel; and a processor configured to obtain color change information of the measurement channel based on the light detected by the detector, and estimate the concentration of the biomarker based on the color change information.Type: ApplicationFiled: March 2, 2022Publication date: November 10, 2022Applicants: Samsung Electronics Co., Ltd., Arizona Board of Regents on behalf of Arizona State UniversityInventors: Won Jong Jung, Di Wang, Vishal Varun Tipparaju, Xiaojun Xian, Jingjing Yu, Kak Namkoong
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Publication number: 20220313106Abstract: An apparatus for obtaining bio information includes: a first electrode portion including a current electrode and a voltage electrode arranged to contact a first body portion of a subject; a second electrode portion including a current electrode and a voltage electrode arranged to contact a second body portion of the subject; and a measuring unit configured to measure a bio impedance of the subject by applying a current to the current electrodes of the first and second electrode portions and detecting a voltage at the voltage electrodes of the first and second electrode portions. In order to decrease errors of a measured bio impedance, contact resistances of the first and second body portions of the subject contacting the current electrode and the first and second body portions of the subject contacting the voltage electrode are different from each other, for at least one of the first and second electrode portions.Type: ApplicationFiled: June 3, 2022Publication date: October 6, 2022Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Myounghoon JUNG, Eunsung PARK, Kak NAMKOONG, Kunsun EOM, Yeolho LEE, Seongho CHO
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Publication number: 20220307068Abstract: A gene amplification chip may include a substrate; a through-hole array including through-holes that extend from an upper surface of the substrate to a lower surface of the substrate and in which a gene amplification reaction occurs; and a photothermal film provided on at least one of the upper surface and the lower surface of the substrate and configured to generate heat using light.Type: ApplicationFiled: June 23, 2021Publication date: September 29, 2022Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Won Jong JUNG, Kak NAMKOONG, Young Zoon YOON