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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Patent number: 12220698Abstract: Provided are a microfluidic chip, and an apparatus and a method for detecting biomolecules by using the microfluidic chip. According to an example embodiment, the microfluidic chip includes: a first storage configured to accommodate a sample, the sample including target materials; a plurality of second storages connected to the first storage, the plurality of second storages including reactants for the target materials; and a plurality of well arrays connected to the plurality of second storages, respectively, and configured to accommodate a solution of the sample, in which the reactants for the target materials are dissolved.Type: GrantFiled: June 9, 2021Date of Patent: February 11, 2025Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Moon Seong Park, Kak Namkoong, Won Jong Jung
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Publication number: 20250025063Abstract: 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: October 7, 2024Publication date: January 23, 2025Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kunsun Eom, Yeolho Lee, Kak Namkoong, Myounghoon Jung, Seongho Cho
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Patent number: 12138032Abstract: 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: March 15, 2023Date of Patent: November 12, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kunsun Eom, Yeolho Lee, Kak Namkoong, Myounghoon Jung, Seongho Cho
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Patent number: 12102422Abstract: 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: April 14, 2023Date of Patent: October 1, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Myounghoon Jung, Kak Namkoong, Youngjun Koh, Jungmok Bae, Yeolho Lee, Hyeongseok Jang
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Publication number: 20240280513Abstract: The present disclosure provides methods and apparatuses for biomaterial detection sensors. In some embodiments, a biomaterial detection sensor includes a membrane including a plurality of wells. Each of the plurality of wells is configured to encapsulate a biomaterial contained in a sample solution. A surface of the membrane is selectively modified into at least one of a hydrophilic surface and a hydrophobic surface. In some embodiments, a method of manufacturing a biomaterial detection sensor includes depositing a first membrane and a second membrane on respective surfaces of a wafer, forming a window by etching the first membrane and the first surface of the wafer, forming a plurality of wells on the second membrane, modifying a surface of the second membrane into at least one of a hydrophilic surface and a hydrophobic surface; and transferring a two-dimensional graphene oxide material onto a bottom of each of the plurality of wells.Type: ApplicationFiled: July 20, 2023Publication date: August 22, 2024Applicants: SAMSUNG ELECTRONICS CO., LTD., SEOUL NATIONAL UNIVERSITY R&DB FOUNDATIONInventors: Jae Hong LEE, Jungwon PARK, Min-Ho KANG, Minyoung LEE, Hyeong Seok JANG, Won Jong JUNG, Jin Ha KIM, Kak NAMKOONG, Hyung Jun YOUN
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Publication number: 20240219282Abstract: Provided is an apparatus configured to detect fine particles, including a fine particle trap including a plurality of through holes that are configured to trap the fine particles, a measurer including a light source configured to emit light to the plurality of through holes, and a detector configured to detect light scattered, reflected, or transmitted through the plurality of through holes and measure a spectrum, and a processor configured to estimate a number of the fine particles trapped in the plurality of through holes based on of the measured spectrum, wherein the plurality of through holes have a diameter equal to or less than 10 ?m.Type: ApplicationFiled: May 26, 2023Publication date: July 4, 2024Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyeong Seok JANG, Won Jong JUNG, Jin Ha KIM, Kak NAMKOONG, Hyung Jun YOUN, Jae Hong LEE
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Publication number: 20240198346Abstract: A photothermal nanostructure device for photothermal heating includes a substrate having a first thermal conductivity, a light absorbing layer on a first side of the substrate and configured to absorb light in a wavelength range and to heat the substrate, and a thermally-insulative layer on the light absorbing layer and configured to reduce heat dissipation from the substrate, the thermally-insulative layer having a second thermal conductivity less than the first thermal conductivity.Type: ApplicationFiled: January 19, 2023Publication date: June 20, 2024Inventors: Vinayak Narasimhan, Radwanul Hasan Siddique, Wonjong Jung, Kak Namkoong
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Patent number: 12005447Abstract: 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: GrantFiled: August 16, 2022Date of Patent: June 11, 2024Assignee: 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: 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