Patents by Inventor Chang-Seong KIM
Chang-Seong KIM 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: 20240151728Abstract: The disclosure relates to a fluorescence resonance energy transfer (FRET)-based biosensor for sensing chimeric antigen receptor (CAR) activity and use thereof, and in particular, to a FRET-based biosensor, which simultaneously detects binding of an antigen-binding receptor domain to a cancer antigen and consequent activation of T cells, and a method of screening for CAR activity in a live cell by using the FRET-based biosensor.Type: ApplicationFiled: October 16, 2023Publication date: May 9, 2024Applicants: Korea Institute of Science and Technology, SEOUL NATIONAL UNIVERSITY R&DB FOUNDATIONInventors: Jihye SEONG, Mihue Jang, Haenim Lee, Hyejin Yoo, Chang-Han Lee, Jiyun Jeong, Hang-Rae Kim, Soojin Lee
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Patent number: 11969807Abstract: An insert configured to be assembled to a tool for cutting a workpiece, includes: an upper surface including first to fourth upper corner portions formed in respective quadrants divided by a first imaginary vertical axis and a first imaginary horizontal axis that are perpendicular to each other; and a lower surface formed below the upper surface in a height direction and including first to fourth lower corner portions formed in respective quadrants divided by a second imaginary vertical axis and a second imaginary horizontal axis that are perpendicular to each other. A lower ridge portion protruding downward in the height direction is formed on the lower surface, and extends across the second and fourth lower corner portions, which are symmetrical with respect to a center of the lower surface.Type: GrantFiled: January 15, 2020Date of Patent: April 30, 2024Assignee: TaeguTec Ltd.Inventors: Chang Gyu Park, Jae Seong Kim
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Publication number: 20240103362Abstract: Disclosed herein is a method of printing a nanostructure including: preparing a template substrate on which a pattern is formed; forming a replica pattern having an inverse phase of the pattern by coating a polymer thin film on an upper portion of the template substrate, adhering a thermal release tape to an upper portion of the polymer thin film, and separating the polymer thin film from the template substrate; forming a nanostructure by depositing a functional material on the replica pattern; and printing the nanostructure deposited on the replica pattern to a substrate by positioning the nanostructure on the substrate, applying heat and pressure to the nanostructure, and weakening an adhesive force between the thermal release tape and the replica pattern by the heat.Type: ApplicationFiled: September 19, 2023Publication date: March 28, 2024Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Jong Min KIM, Seung Yong LEE, So Hye CHO, Ho Seong JANG, Jae Won CHOI, Chang Kyu HWANG
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Patent number: 11309956Abstract: The method for compensating a boresight error in a low earth orbit (LEO) satellite antenna according to the present disclosure comprising the steps of: converting a communication point of the LEO satellite and the location of the ground station into the geocentric coordinate system, and setting an incidence angle of the electromagnetic wave radiated from the antenna of the LEO satellite; calculating the measured meteorological condition as a meteorological condition at a specific altitude interval; calculating the meteorological conditions respectively as an effective refractive index; dividing the atmosphere into layers at specific altitude intervals, and calculating an arrival coordinate of the electromagnetic wave for which the atmospheric environment is considered; when the error between the location of the ground station and the arrival coordinate of the electromagnetic wave is less than a target error, deciding the compensating angle for the incidence angle of the electromagnetic wave.Type: GrantFiled: June 16, 2021Date of Patent: April 19, 2022Assignee: AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATIONInventors: Yong Bae Park, Chang Seong Kim
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Publication number: 20220052755Abstract: The method for compensating a boresight error in a low earth orbit (LEO) satellite antenna according to the present disclosure comprising the steps of: converting a communication point of the LEO satellite and the location of the ground station into the geocentric coordinate system, and setting an incidence angle of the electromagnetic wave radiated from the antenna of the LEO satellite; calculating the measured meteorological condition as a meteorological condition at a specific altitude interval; calculating the meteorological conditions respectively as an effective refractive index; dividing the atmosphere into layers at specific altitude intervals, and calculating an arrival coordinate of the electromagnetic wave for which the atmospheric environment is considered; when the error between the location of the ground station and the arrival coordinate of the electromagnetic wave is less than a target error, deciding the compensating angle for the incidence angle of the electromagnetic wave.Type: ApplicationFiled: June 16, 2021Publication date: February 17, 2022Applicant: AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATIONInventors: Yong Bae Park, Chang Seong Kim
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Patent number: 11038276Abstract: Disclosed is a substrate-integrated waveguide slot antenna including a lower substrate having a substrate-integrated waveguide structure, the lower substrate being provided in the upper surface thereof with at least one slot, whereby an electromagnetic wave is guided by the substrate-integrated waveguide structure and is emitted through the slot, and an upper substrate formed on the lower substrate, the upper substrate having a metasurface configured such that a plurality of unit cells is arranged at predetermined intervals, whereby the electromagnetic wave dispatched through the slot is reemitted by the metasurface.Type: GrantFiled: March 13, 2020Date of Patent: June 15, 2021Assignee: AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATIONInventors: Yong Bae Park, Hyung Jun An, Chang Seong Kim
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Patent number: 10875147Abstract: The present invention relates to a method of manufacturing a main body of a grinding tool fixture, a grinding tool fixture having a cap at a front, a sleeve and a coil spring consecutively connected, and a main body connected at a rear, and the main body having a body and a rotating shaft integrally formed with a rear of the body. The main body of the grinding tool fixture is turned, heat-treated, and then straightened. According to the present invention, a grinding tool for a grinder can be conveniently attached and detached by reciprocating a sleeve such that a separate working tool or fastener is not required, and the grinding tool can be immediately replaced even during use of the grinder.Type: GrantFiled: November 29, 2017Date of Patent: December 29, 2020Assignee: E&Q One-Touch Co., Ltd.Inventor: Chang Seong Kim
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Publication number: 20200373678Abstract: Disclosed is a substrate-integrated waveguide slot antenna including a lower substrate having a substrate-integrated waveguide structure, the lower substrate being provided in the upper surface thereof with at least one slot, whereby an electromagnetic wave is guided by the substrate-integrated waveguide structure and is emitted through the slot, and an upper substrate formed on the lower substrate, the upper substrate having a metasurface configured such that a plurality of unit cells is arranged at predetermined intervals, whereby the electromagnetic wave dispatched through the slot is reemitted by the metasurface.Type: ApplicationFiled: March 13, 2020Publication date: November 26, 2020Applicant: AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATIONInventors: Yong Bae PARK, Hyung Jun AN, Chang Seong KIM
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Patent number: 10601220Abstract: A window control device for a vehicle, and a method therefor, include a driving motor configured to drive a window glass, a first sensor configured to generate one pulse signal corresponding to a rotation of the driving motor, a second sensor configured to sense a voltage signal provided to the driving motor, and a controller configured to perform a safety function based on the one pulse signal generated by the first sensor and the voltage signal sensed by the second sensor. Although a fault occurs in one of two hall sensors, the window control device may normally perform the safety function.Type: GrantFiled: August 15, 2017Date of Patent: March 24, 2020Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, DY AUTO CorporationInventors: Kyong Ho Shon, Kil Sang Cho, Sug Woo Shin, Baek Yong Kim, Bo Sung Jo, Chang Seong Kim
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Patent number: 10596680Abstract: The present inventive concept relates to a hand grinder including a grinder main body, a coupler including a power transfer member coupled to a rotary shaft of a grinder main body and a main body provided between the grinder main body and power transfer member, and a grinding disc including a grinding stone having a hollow disc plate and a coupling portion provided at a central portion of the grinding stone and detachably coupled to the coupler. A plurality of hook steps are radially arranged along an outer circumference of an upper end portion of the power transfer member, and a plurality of coupling pieces are radially arranged on an inner circumference of a central portion of the coupling portion. When the grinding disc is assembled such that the hook steps pass between the coupling pieces and the main body is rotated, a lower surface of the hook steps is placed on an upper surface of the coupling pieces and the grinding disc is fixed to the coupler.Type: GrantFiled: November 29, 2017Date of Patent: March 24, 2020Assignee: E&Q ONE-TOUGH CO., LTD.Inventor: Chang Seong Kim
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Patent number: 10105816Abstract: The present invention relates to a device for detaching/attaching a hand grinder polishing disk, the device being clamped on the rotating shaft of a grinder main body so as to enable the easier and quicker detachment/attachment of a consumable polishing disk used for finishing, cutting, severing, etc. the surface of a target object, or to enable the definite prevention of loosening, vibration phenomenon, etc.Type: GrantFiled: March 16, 2015Date of Patent: October 23, 2018Assignee: E & Q ONE-TOUCHInventors: Chang-Seong Kim, Kyung-Jin Kim
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Publication number: 20180301893Abstract: A window control device for a vehicle, and a method therefor, include a driving motor configured to drive a window glass, a first sensor configured to generate one pulse signal corresponding to a rotation of the driving motor, a second sensor configured to sense a voltage signal provided to the driving motor, and a controller configured to perform a safety function based on the one pulse signal generated by the first sensor and the voltage signal sensed by the second sensor. Although a fault occurs in one of two hall sensors, the window control device may normally perform the safety function.Type: ApplicationFiled: August 15, 2017Publication date: October 18, 2018Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, DY AUTO CorporationInventors: Kyong Ho Shon, Kil Sang Cho, Sug Woo Shin, Baek Yong Kim, Bo Sung Jo, Chang Seong Kim
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Publication number: 20180200859Abstract: The present inventive concept relates to a hand grinder including a grinder main body, a coupler including a power transfer member coupled to a rotary shaft of a grinder main body and a main body provided between the grinder main body and power transfer member, and a grinding disc including a grinding stone having a hollow disc plate and a coupling portion provided at a central portion of the grinding stone and detachably coupled to the coupler. A plurality of hook steps are radially arranged along an outer circumference of an upper end portion of the power transfer member, and a plurality of coupling pieces are radially arranged on an inner circumference of a central portion of the coupling portion. When the grinding disc is assembled such that the hook steps pass between the coupling pieces and the main body is rotated, a lower surface of the hook steps is placed on an upper surface of the coupling pieces and the grinding disc is fixed to the coupler.Type: ApplicationFiled: November 29, 2017Publication date: July 19, 2018Applicant: E&Q One-Touch Co., Ltd.Inventor: Chang Seong Kim
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Publication number: 20180117732Abstract: The present invention relates to a method of manufacturing a main body of a grinding tool fixture, a grinding tool fixture having a cap at a front, a sleeve and a coil spring consecutively connected, and a main body connected at a rear, and the main body having a body and a rotating shaft integrally formed with a rear of the body. The main body of the grinding tool fixture is turned, heat-treated, and then straightened. According to the present invention, a grinding tool for a grinder can be conveniently attached and detached by reciprocating a sleeve such that a separate working tool or fastener is not required, and the grinding tool can be immediately replaced even during use of the grinder.Type: ApplicationFiled: November 29, 2017Publication date: May 3, 2018Applicant: E&Q One-Touch Co., Ltd.Inventor: Chang Seong Kim
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Publication number: 20170259398Abstract: The present invention relates to a device for detaching/attaching a hand grinder polishing disk, the device being clamped on the rotating shaft of a grinder main body so as to enable the easier and quicker detachment/attachment of a consumable polishing disk used for finishing, cutting, severing, etc. the surface of a target object, or to enable the definite prevention of loosening, vibration phenomenon, etc.Type: ApplicationFiled: March 16, 2015Publication date: September 14, 2017Inventors: Chang-Seong KIM, Kyung-Jin KIM
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Patent number: D1020824Type: GrantFiled: January 24, 2022Date of Patent: April 2, 2024Assignee: TaeguTec Ltd.Inventors: Chang Gyu Park, Su Jin Ryu, Jae Seong Kim