Patents by Inventor Kuiwon Choi
Kuiwon Choi 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: 20240373560Abstract: In an aspect, a substrate is disclosed that includes an electronic component including a lower planar surface having one or more electronic component terminals, a core having an upper planar surface facing the lower planar surface of the electronic component; a patterned metallization layer over the upper planar surface of the core, wherein the patterned metallization layer is connected to the one or more electronic component terminals at the lower planar surface of the electronic component; one or more dielectric layers disposed over the upper planar surface of the core; and a cavity formed within the one or more dielectric layers, wherein the electronic component is located in the cavity and over the upper planar surface of the core.Type: ApplicationFiled: May 1, 2023Publication date: November 7, 2024Inventors: Seongryul CHOI, Kuiwon KANG, Hong Bok WE, Jung Won PARK
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Publication number: 20240373561Abstract: In an aspect, an electronic device is disclosed that includes a substrate comprising a core having an upper planar surface and a lower planar surface, wherein the core includes a cavity extending between the upper planar surface of the core and the lower planar surface of the core; an electronic component at least partially disposed in the cavity, wherein the electronic component is at least partially surrounded in the cavity by a cured plugging ink, the electronic component including an upper planar surface having one or more electronic component terminals; and an upper metallization structure configured to provide one or more conductive paths from the one or more electronic component terminals to one or more upper metal terminals of the upper metallization structure.Type: ApplicationFiled: May 1, 2023Publication date: November 7, 2024Inventors: Jung Won PARK, Kuiwon KANG, Seongryul CHOI
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Publication number: 20240373562Abstract: In an aspect, an electronic device is disclosed that includes a core having an upper planar surface and an interior planar surface; a cavity extending at least partially through the upper planar surface of the core to the interior planar surface of the core; an electronic component mounted in the cavity, the electronic component including an upper planar surface having one or more electronic component terminals, wherein the electronic component is supported by the interior planar surface of the core so that the upper planar surface of the electronic component is level with the upper planar surface of the core; and an upper metallization structure configured to provide one or more conductive paths from the one or more electronic component terminals to one or more upper metal terminals of the upper metallization structure.Type: ApplicationFiled: May 1, 2023Publication date: November 7, 2024Inventors: Seongryul CHOI, Kuiwon KANG, Jung Won PARK
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Publication number: 20240250009Abstract: Embedded trace substrates (ETS) having an ETS metallization layer with T-shaped interconnects with reduced-width embedded metal traces, and related integrated circuit (IC) packages and fabrication methods. The ETS includes an outer ETS metallization layer that includes T-shaped interconnects for supporting input/output (I/O) connections between the ETS and another opposing package substrate. To increase density of I/O interconnections, the pitch of the embedded metal traces in the ETS metallization layer is reduced. The T-shaped interconnects also each include an additional metal contact pad that is coupled to a respective embedded metal trace to increase the height of the embedded metal trace to eliminate a vertical connection gap between the ETS and an opposing package substrate.Type: ApplicationFiled: January 23, 2023Publication date: July 25, 2024Inventors: Seongryul Choi, Joan Rey Villarba Buot, Kuiwon Kang, Zhijie Wang
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Patent number: 11317840Abstract: The present invention relates to a stress analysis method including: acquiring bio-signals from a test subject; calculating a probability of each of a plurality of stress level values by processing the bio-signals using a deep neural network algorithm; estimating a stress level value with the maximum probability of the plurality of stress level values as a stress level value of the test subject; determining usefulness of the estimated stress level value; and outputting the estimated stress level value determined to be useful through the determination of usefulness, as the final stress level.Type: GrantFiled: June 28, 2019Date of Patent: May 3, 2022Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Inchan Youn, Kuiwon Choi, Hyung Min Kim, Suh-Yeon Dong, Hyunmyung Cho
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Publication number: 20200054262Abstract: The present invention relates to a stress analysis method including: acquiring bio-signals from a test subject; calculating a probability of each of a plurality of stress level values by processing the bio-signals using a deep neural network algorithm; estimating a stress level value with the maximum probability of the plurality of stress level values as a stress level value of the test subject; determining usefulness of the estimated stress level value; and outputting the estimated stress level value determined to be useful through the determination of usefulness, as the final stress level.Type: ApplicationFiled: June 28, 2019Publication date: February 20, 2020Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Inchan YOUN, Kuiwon CHOI, Hyung Min KIM, Suh-Yeon DONG, Hyunmyung CHO
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Patent number: 9901272Abstract: Disclosed is an apparatus for measuring electrocardiogram (ECG) using wireless communication, including a first measuring device and a second measuring device connected to each other using wireless communication, wherein the first measuring device includes a first electrode configured to measure a first signal generated by a heartbeat, and a slave signal generation unit configured to generate a slave signal based on the first signal and a wireless virtual ground signal received from the second measuring device, and the second measuring device includes a second electrode configured to measure a second signal generated by a heartbeat, a ground electrode configured to measure a ground signal, a wireless virtual ground unit configured to generate the wireless virtual ground signal based on the ground signal, and an ECG measuring unit configured to measure ECG based on the slave signal, the second signal, and the wireless virtual ground signal.Type: GrantFiled: June 17, 2016Date of Patent: February 27, 2018Assignee: Korea Institute of Science and TechnologyInventors: Inchan Youn, Kuiwon Choi, Jun-Kyo Francis Suh, Seung-Jong Kim, Hyung Min Kim, Youn Joo Lee, Inwon Jung, Heesu Park, Sunghee Park, Jeong Hwan Kim
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Patent number: 9801943Abstract: The present disclosure relates to a method for in vivo targeting of a nanoparticle via bioorthogonal copper-free click chemistry, more particularly to a method for in vivo targeting of a nanoparticle, including: injecting a precursor capable of being metabolically engineered in vivo when injected into a living system and having a first bioorthogonal functional group into the living system; and injecting a nanoparticle having a second bioorthogonal functional group which can perform a bioorthogonal copper-free click reaction with the first bioorthogonal functional group attached thereto into the living system. In accordance with the present disclosure, accumulation of nanoparticles at a target site in a living system can be increased remarkably and the biodistribution of the nanoparticles can be controlled since the nanoparticles bound to a cell surface are taken up into the cell with time.Type: GrantFiled: February 22, 2013Date of Patent: October 31, 2017Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Kwang Meyung Kim, Ick Chan Kwon, Kuiwon Choi, Heebeom Koo, Sang-min Lee, Inchan Youn
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Publication number: 20170055862Abstract: Disclosed is an apparatus for measuring electrocardiogram (ECG) using wireless communication, including a first measuring device and a second measuring device connected to each other using wireless communication, wherein the first measuring device includes a first electrode configured to measure a first signal generated by a heartbeat, and a slave signal generation unit configured to generate a slave signal based on the first signal and a wireless virtual ground signal received from the second measuring device, and the second measuring device includes a second electrode configured to measure a second signal generated by a heartbeat, a ground electrode configured to measure a ground signal, a wireless virtual ground unit configured to generate the wireless virtual ground signal based on the ground signal, and an ECG measuring unit configured to measure ECG based on the slave signal, the second signal, and the wireless virtual ground signal.Type: ApplicationFiled: June 17, 2016Publication date: March 2, 2017Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Inchan YOUN, Kuiwon CHOI, JUN-KYO FRANCIS SUH, Seung-Jong KIM, Hyung Min KIM, Youn Joo LEE, Inwon JUNG, Heesu PARK, Sunghee PARK, Jeong Hwan KIM
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Patent number: 9259395Abstract: A tumor-targeting gas-generating nanoparticle, a method for preparing same and a tumor-targeting nanoparticle for drug delivery using same relate to a tumor-targeting gas-generating nanoparticle including a polycarbonate core and a amphiphilic coat, a method for preparing same and a tumor-targeting nanoparticle for drug delivery using same. Since a tumor-targeting gas-generating nanoparticle according to the present disclosure is accumulated in the tumor tissue in large quantity and generates strong ultrasound wave signals, it can be usefully used as a contrast agent for ultrasonic imaging.Type: GrantFiled: May 31, 2013Date of Patent: February 16, 2016Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Ick Chan Kwon, Kwang Meyung Kim, Kuiwon Choi, Heebeom Koo, Hyun Su Min, Inchan Youn
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Publication number: 20160016012Abstract: A stimulation apparatus using low intensity focused ultrasound, which has a low intensity ultrasound focusing array having a plurality of transducers for outputting low intensity ultrasound beams, and a fixing device to which the low intensity ultrasound focusing array is attached, the fixing device being configured to fix the low intensity ultrasound focusing array to an upper body of a user. The low intensity ultrasound beams outputted from the transducers are focused to at least one focus. The focus is positioned to a spinal cord of the user or nerves around the spinal cord so that low intensity ultrasound stimulation is applied to the spinal cord or nerve cells of the nerves around the spinal cord.Type: ApplicationFiled: June 24, 2015Publication date: January 21, 2016Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Inchan YOUN, Hyung Min KIM, Jinseok KIM, Kuiwon CHOI, Jong Woong PARK, Tae Young YUNE, Sungmin HAN, Yu Seon CHAE, Hoyoung JUNG
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Patent number: 9220426Abstract: A neural tube capable of complexly playing roles of a support for regenerating a nerve and a nerve electrode has a support connected to a terminal of an injured nerve, and a sieve electrode having an electrode hole formed in a body thereof and a circular electrode formed around the electrode hole, wherein the body of the sieve electrode is buried in the support, wherein a cavity-type channel is formed at the support to extend to the inside of the support, wherein the electrode hole is aligned with the channel, and wherein a nerve cell growing along the channel at the terminal of the injured nerve is capable of contacting the circular electrode.Type: GrantFiled: November 14, 2013Date of Patent: December 29, 2015Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Jinseok Kim, Jinwoo Jeong, Jun-Kyo Francis Suh, Kuiwon Choi, Inchan Youn
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Patent number: 9061068Abstract: Disclosed is a polymer-siRNA delivery carrier in which a siRNA is combined with a polymer and the use thereof. More specifically, there is disclosed a stable in vivo polymer-siRNA delivery carrier in which a polymer and a siRNA are combined by using charge interaction and biodegradable covalent bonding at the same time and the use thereof. The polymer-siRNA delivery carrier in which a polymer and a siRNA are combined by using charge interaction and biodegradable covalent bonding at the same time has a high siRNA deliver efficiency to a target portion in vivo. Hence, according to the polymer-siRNA binder, the siRNA for treatment can be effectively delivered to a target portion such as in vivo cancer tissue, and the like even with administration of a relatively low concentration, and thus widely used for the treatment of various kinds of diseases.Type: GrantFiled: October 15, 2010Date of Patent: June 23, 2015Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Kwang Meyung Kim, Ick Chan Kwon, Kuiwon Choi, Myung Sook Huh, Seung Young Lee, So Jin Lee
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Publication number: 20140163348Abstract: A neural tube capable of complexly playing roles of a support for regenerating a nerve and a nerve electrode has a support connected to a terminal of an injured nerve, and a sieve electrode having an electrode hole formed in a body thereof and a circular electrode formed around the electrode hole, wherein the body of the sieve electrode is buried in the support, wherein a cavity-type channel is formed at the support to extend to the inside of the support, wherein the electrode hole is aligned with the channel, and wherein a nerve cell growing along the channel at the terminal of the injured nerve is capable of contacting the circular electrode.Type: ApplicationFiled: November 14, 2013Publication date: June 12, 2014Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Jinseok KIM, Jinwoo JEONG, Jun-Kyo Francis SUH, Kuiwon CHOI, Inchan YOUN
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Publication number: 20130323177Abstract: A tumor-targeting gas-generating nanoparticle, a method for preparing same and a tumor-targeting nanoparticle for drug delivery using same relate to a tumor-targeting gas-generating nanoparticle including a polycarbonate core and a amphiphilic coat, a method for preparing same and a tumor-targeting nanoparticle for drug delivery using same. Since a tumor-targeting gas-generating nanoparticle according to the present disclosure is accumulated in the tumor tissue in large quantity and generates strong ultrasound wave signals, it can be usefully used as a contrast agent for ultrasonic imaging.Type: ApplicationFiled: May 31, 2013Publication date: December 5, 2013Inventors: Ick Chan Kwon, Kwang Meyung Kim, Kuiwon Choi, Heebeom Koo, Hyun Su Min, Inchan Youn
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Publication number: 20130251784Abstract: The present disclosure relates to a method for in vivo targeting of a nanoparticle via bioorthogonal copper-free click chemistry, more particularly to a method for in vivo targeting of a nanoparticle, including: injecting a precursor capable of being metabolically engineered in vivo when injected into a living system and having a first bioorthogonal functional group into the living system; and injecting a nanoparticle having a second bioorthogonal functional group which can perform a bioorthogonal copper-free click reaction with the first bioorthogonal functional group attached thereto into the living system. In accordance with the present disclosure, accumulation of nanoparticles at a target site in a living system can be increased remarkably and the biodistribution of the nanoparticles can be controlled since the nanoparticles bound to a cell surface are taken up into the cell with time.Type: ApplicationFiled: February 22, 2013Publication date: September 26, 2013Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Kwang Meyung KIM, Ick Chan KWON, Kuiwon CHOI, Heebeom KOO, Sang-min LEE, Inchan YOUN
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Patent number: 8541378Abstract: The present invention relates to recombinant albumins fused with poly-cysteine peptide and methods for preparing the same, more precisely recombinant albumins in which cysteines that can be used for drug binding are amplified at N-terminal and C-terminal of the albumin and methods for preparing the same. The recombinant albumin of the present invention demonstrates improved albumin-drug conjugation efficiency when it is used for drug delivery system, indicating that it can effectively deliver a large amount of drug to a target tissue. At the same time, the recombinant albumin of the present invention can be used as an excellent drug deliverer with reduced side effects, compared with the conventional albumin carriers, by regulating the amount of drug conjugated to each unit of albumin by regulating the number of cysteine fused thereto.Type: GrantFiled: June 2, 2010Date of Patent: September 24, 2013Assignee: Korea Institute of Science and TechnologyInventors: Hyung Jun Ahn, Ick Chan Kwon, Kuiwon Choi, Kwangmyeng Kim, Inchan Youn, Sehoon Kim
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Patent number: 8513402Abstract: Disclosed are a human serum albumin-siRNA carrier system having siRNA bound to human serum albumin and a user thereof, and especially, human serum albumin-siRNA carrier system, which has a biodegradable covalent bond between human serum albumin polymer and siRNA and is stable in a living body, and a user thereof. The human serum albumin-siRNA carrier system having the biodegradable covalent bond between the human serum albumin and the siRNA exhibits high siRNA delivery efficiency to a target site in the living body. Therefore, the human serum albumin-siRNA carrier system may allow siRNA for therapy to be efficiently delivered to a target site such as cancer tissues in the living body even by being administrated in a relatively low concentration, which may result in a wide use for therapies of various diseases.Type: GrantFiled: September 26, 2011Date of Patent: August 20, 2013Assignee: Korea Institute of Science and TechnologyInventors: Kwangmeyung Kim, Ick Chan Kwon, Kuiwon Choi, In Chan Youn, MyungSook Huh, Sojin Lee
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Patent number: 8367042Abstract: Disclosed are nanoparticles of a light emissive polymer, comprising nanoparticles of a cyano-substituted poly(arylene vinylene) polymer; and a biocompatible surfactant adsorbed to the surface of the nanoparticles of the polymer, and preparation method thereof, wherein the method comprises: (1) uniformly mixing a dialdehyde monomer represented by a general formula OHC—Ar1—CHO, a dicyanide monomer represented by a general formula NC—Ar2—CN, and a liquid surfactant; (2) adding water to the resulting mixture to prepare an aqueous micelle dispersion; and (3) adding a polymerization catalyst to the aqueous micelle dispersion, followed by carrying out colloidal polymerization of the resulting mixture at room temperature under an atmosphere.Type: GrantFiled: October 8, 2009Date of Patent: February 5, 2013Assignee: Korea Institute of Science and TechnologyInventors: Sehoon Kim, Ick Chan Kwon, Kwangmeyung Kim, Kuiwon Choi, Chang-Keun Lim
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Publication number: 20120083455Abstract: Disclosed are a human serum albumin-siRNA carrier system having siRNA bound to human serum albumin and a user thereof, and especially, human serum albumin-siRNA carrier system, which has a biodegradable covalent bond between human serum albumin polymer and siRNA and is stable in a living body, and a user thereof. The human serum albumin-siRNA carrier system having the biodegradable covalent bond between the human serum albumin and the siRNA exhibits high siRNA delivery efficiency to a target site in the living body. Therefore, the human serum albumin-siRNA carrier system may allow siRNA for therapy to be efficiently delivered to a target site such as cancer tissues in the living body even by being administrated in a relatively low concentration, which may result in a wide use for therapies of various diseases.Type: ApplicationFiled: September 26, 2011Publication date: April 5, 2012Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Kwangmeyung KIM, Ick Chan KWON, Kuiwon CHOI, In Chan YOUN, Myung Sook HUH, Sojin LEE