Patents by Inventor Kwan-Tae Kim
Kwan-Tae 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: 20240104115Abstract: Disclosed herein are a method and apparatus for converting a credential data schema.Type: ApplicationFiled: July 11, 2023Publication date: March 28, 2024Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Seok-Hyun KIM, Soo-Hyung KIM, Young-Seob CHO, Geon-Woo KIM, Young-Sam KIM, Jong-Hyouk NOH, Kwan-Tae CHO, Sang-Rae CHO, Jin-Man CHO, Seung-Hun JIN
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Publication number: 20240104990Abstract: Disclosed herein is a method for user-centered visitor access management, which may include issuing, by a management office server, a digital certificate to a householder terminal; registering, by a wall-pad, a householder in response to a request to register the householder based on the digital certificate; requesting, by the householder terminal, the management office server to register a visitor based on a visit request from a visitor terminal and delegating the digital certificate to the visitor terminal; making an entry request to a management terminal based on the digital certificate; verifying, by the wall-pad, the digital certificate based on a request for verification for entry from a wall-pad management terminal and providing a verification result to the wall-pad management terminal when the management terminal is the wall-pad management terminal; and managing and controlling, by the wall-pad, permission to use home devices based on delegated permission information of the digital certificate.Type: ApplicationFiled: March 22, 2023Publication date: March 28, 2024Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Seok-Hyun KIM, Young-Seob CHO, Soo-Hyung KIM, Geon-Woo KIM, Young-Sam KIM, Jong-Hyouk NOH, Kwan-Tae CHO, Sang-Rae CHO, Jin-Man CHO, Seung-Hun JIN
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Publication number: 20230415114Abstract: The present disclosure provides a biogas reformer in which a portion of biogas feed can be combusted in a burner to supply the required heat amount to a catalytic reactor without supplying heat from an external heat source, and the CO2:CH4 ratio can be adjusted to be advantageous for a catalytic reforming reaction of the biogas by supplying a combustion effluent together with the biogas feed to the catalytic reactor.Type: ApplicationFiled: March 8, 2022Publication date: December 28, 2023Inventors: Dae Hoon LEE, Hong Jae KANG, Ho Hyun SONG, Young Hoon SONG, Kwan Tae KIM, You Na KIM, Hee soo LEE
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Patent number: 11660591Abstract: A catalyst regenerator for regenerating a coked catalyst produced along with a olefin by mixing naphtha and a catalyst with each other to cause a naphtha cracking reaction, and falling from a cyclone which separates the coked catalyst and the olefin produced from the naphtha cracking reaction, includes: a vessel accommodating a catalyst layer formed by stacking the catalyst; a partial oxidation burner producing a high-temperature gas containing solid carbon; and supply nozzles connected to the partial oxidation burner, installed on a bottom of the vessel toward the falling catalyst and the catalyst layer, and spraying the high-temperature gas containing the solid carbon to the catalyst and the catalyst layer.Type: GrantFiled: February 1, 2017Date of Patent: May 30, 2023Assignees: KOREA INSTITUTE OF MACHINERY & MATERIALS, KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGYInventors: Dae-hoon Lee, Kwan-Tae Kim, Sungkwon Jo, Yong-Ki Park
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Publication number: 20230045639Abstract: A method of converting a hydrocarbon-based material into acetylene or ethylene according to an embodiment of the present invention includes a supply step of supplying a gaseous or liquid hydrocarbon-based material to a plasma reactor, and a temperature control step of creating a temperature condition of a decomposition reaction of converting the hydrocarbon-based material into acetylene or ethylene in a reaction space in the plasma reactor.Type: ApplicationFiled: March 16, 2021Publication date: February 9, 2023Inventors: Dae-hoon LEE, Duy Khoe DINH, Hong Jae KANG, Kwan-Tae KIM, Hohyun SONG, You-Na KIM, Heesoo LEE, Younghoon SONG
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Patent number: 11279885Abstract: A catalyst regenerator according to an embodiment of the present invention, as a catalyst regenerator that regenerates a coked catalyst separated from a product produced in an endothermic catalytic reaction of a fluidized bed reactor, includes: a reaction chamber that includes a regeneration space, receives the coked catalyst from a standpipe connected to the regeneration space, and discharges a regenerated catalyst to an outlet; a fuel supplier that is connected to the reaction chamber to inject a fuel for combustion into the regeneration space; and a fuel supplier that is connected to the reaction chamber to inject an air for combustion into the regeneration space, wherein the fuel injected from the fuel supplier is a reformed fuel containing hydrogen and carbon monoxide.Type: GrantFiled: May 10, 2019Date of Patent: March 22, 2022Assignees: KOREA INSTITUTE OF MACHINERY & MATERIALS, KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGYInventors: Sungkwon Jo, Seongil Choi, Donghyun Cho, Dae-hoon Lee, Kwan-Tae Kim, Younghoon Song, Yong-Ki Park, Na Young Kang
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Patent number: 11135550Abstract: A process discharge gas polluted material removal device with a regenerating means of a polluted oxidation catalyst includes: an oxidation catalyst tower connected to a pipe circulating a process discharge gas including a combustible material, an organic material, an inorganic material, and nitrogen oxide and having a first temperature and having an oxidation catalyst embedded therein, the oxidation catalyst oxidizing and removing the combustible material; and a plasma reactor connected to the oxidation catalyst tower in front of the oxidation catalyst, generating a synthesis gas including hydrogen and having a high temperature of 300° C. or more by a plasma reaction, and supplying the synthesis gas including the hydrogen to the oxidation catalyst to regenerate the oxidation catalyst poisoned by the organic material and the inorganic material.Type: GrantFiled: November 1, 2016Date of Patent: October 5, 2021Assignee: KOREA INSTITUTE OF MACHINERY & MATERIALSInventors: Dae-hoon Lee, Younghoon Song, Kwan-Tae Kim, Sungkwon Jo
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Publication number: 20210189258Abstract: A catalyst regenerator according to an embodiment of the present invention, as a catalyst regenerator that regenerates a coked catalyst separated from a product produced in an endothermic catalytic reaction of a fluidized bed reactor, includes: a reaction chamber that includes a regeneration space, receives the coked catalyst from a standpipe connected to the regeneration space, and discharges a regenerated catalyst to an outlet; a fuel supplier that is connected to the reaction chamber to inject a fuel for combustion into the regeneration space; and a fuel supplier that is connected to the reaction chamber to inject an air for combustion into the regeneration space, wherein the fuel injected from the fuel supplier is a reformed fuel containing hydrogen and carbon monoxide.Type: ApplicationFiled: May 10, 2019Publication date: June 24, 2021Inventors: Sungkwon JO, Seongil CHOI, Donghyun CHO, Dae-hoon LEE, Kwan-Tae KIM, Younghoon SONG, Yong-Ki PARK, Na Young KANG
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Patent number: 11000183Abstract: A laser-induced breakdown spectroscope according to an exemplary embodiment of the present invention includes: a laser head which emits a laser beam; a focusing lens which focuses the laser beam on a target specimen; a plasma reactor unit which amplifies first plasma, which is generated on the target specimen positioned at a focal point of the laser beam passing through the focusing lens, by controlling electron density and electron energy of the first plasma; a collection lens which focuses second plasma amplified by the plasma reactor unit; and a spectrophotometer which analyzes the second plasma focused by the collection lens.Type: GrantFiled: March 20, 2015Date of Patent: May 11, 2021Assignee: KOREA INSTITUTE OF MACHINERY & MATERIALSInventors: Sung Hyun Pyun, Dae-hoon Lee, YoungHoon Song, Kwan-Tae Kim
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Patent number: 10892930Abstract: Provided are a communication method based on a peak-to-average ratio (PAPR) and a transmission apparatus and a receive apparatus using the same and a communication method based on a peak-to-average ratio (PAPR) by a transmission apparatus according to an exemplary embodiment of the present disclosure includes: obtaining each of PAPR values corresponding to respective data symbols from a lookup table having a unique PAPR value; Generating a synchronization signal configured in a random sequence based on a the PAPR value of each data symbol; and transmitting the synchronization signal.Type: GrantFiled: August 29, 2019Date of Patent: January 12, 2021Assignee: Research & Business Foundation Sungkyunkwan UniversityInventors: Kang Yoon Lee, Muhammad Riaz Ur Rehman, Truong Thi Kim Nga, Ali Imran, Hamed Abbasi Zadeh, Kwan Tae Kim, Sang Yun Kim, Dong In Kim
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Patent number: 10596564Abstract: A catalyst regenerator includes: a container including a catalyst inlet through which a coked catalyst is introduced and a catalyst outlet to which a regenerated catalyst is discharged; a first supply unit formed below the catalyst inlet and supplying a syngas containing solid carbon to the coked catalyst introduced into the container; and a second supply unit formed below the first supply unit and supplying high-temperature air into the container.Type: GrantFiled: September 22, 2017Date of Patent: March 24, 2020Assignees: KOREA INSTITUTE OF MACHINERY & MATERIALS, KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGYInventors: Dae-hoon Lee, Kwan-Tae Kim, Sungkwon Jo, Yong-Ki Park
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Publication number: 20200076662Abstract: Provided are a communication method based on a peak-to-average ratio (PAPR) and a transmission apparatus and a receive apparatus using the same and a communication method based on a peak-to-average ratio (PAPR) by a transmission apparatus according to an exemplary embodiment of the present disclosure includes: obtaining each of PAPR values corresponding to respective data symbols from a lookup table having a unique PAPR value; Generating a synchronization signal configured in a random sequence based on a the PAPR value of each data symbol; and transmitting the synchronization signal.Type: ApplicationFiled: August 29, 2019Publication date: March 5, 2020Applicant: Research & Business Foundation Sungkyunkwan UniversityInventors: Kang Yoon LEE, Muhammad Riaz Ur REHMAN, Truong Thi Kim NGA, Ali IMRAN, Hamed Abbasi ZADEH, Kwan Tae KIM, Sang Yun KIM, Dong In KIM
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Publication number: 20190217284Abstract: A catalyst regenerator includes: a container including a catalyst inlet through which a coked catalyst is introduced and a catalyst outlet to which a regenerated catalyst is discharged; a first supply unit formed below the catalyst inlet and supplying a syngas containing solid carbon to the coked catalyst introduced into the container; and a second supply unit formed below the first supply unit and supplying high-temperature air into the container.Type: ApplicationFiled: September 22, 2017Publication date: July 18, 2019Inventors: Dae-hoon LEE, Kwan-Tae KIM, Sungkwon JO, Yong-Ki PARK
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Publication number: 20190176141Abstract: A catalyst regenerator mixing naphtha and a catalyst with each other to cause a naphtha cracking reaction, separating a coked catalyst and produced olefin from each other, and regenerating the coked and falling catalyst, includes: a vessel accommodating a catalyst layer formed by stacking the catalyst; a partial oxidation burner producing a high-temperature gas containing solid carbon; and supply nozzles connected to the partial oxidation burner, installed on a bottom of the vessel toward the falling catalyst and the catalyst layer, and spraying the high-temperature gas containing the solid carbon to the catalyst and the catalyst layer.Type: ApplicationFiled: February 1, 2017Publication date: June 13, 2019Inventors: Dae-hoon LEE, Kwan-Tae KIM, Sungkwon JO, Yong-Ki PARK
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Patent number: 10174657Abstract: A plasma selective catalytic reduction (SCR) system according to an exemplary embodiment of the present invention includes: an exhaust pipe connected to an engine to communicate exhaust gas; a plasma burner installed in a first bypass line connected to the exhaust pipe, and configured to supply fuel to discharged plasma and form flame; a urea solution injector installed in the first bypass line at a rear side of the plasma burner, and configured to inject a urea solution to exhaust gas heated by the flame and generate ammonia; and an SCR catalyst installed in the exhaust pipe at a rear side of the urea solution injector, and configured to reduce a nitrogen oxide included in the exhaust gas with the ammonia.Type: GrantFiled: August 24, 2015Date of Patent: January 8, 2019Assignee: KOREA INSTITUTE OF MACHINERY & MATERIALSInventors: Dae-hoon Lee, Younghoon Song, Kwan-Tae Kim, Sung Hyun Pyun
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Publication number: 20190004013Abstract: According to an exemplary embodiment in the present disclosure, a crack measurement device and a crack measurement method are provided. The crack measurement device according to an exemplary embodiment in the present disclosure includes: an ultrasonic sensor irradiating a first ultrasonic wave in a direction perpendicular to a bottom surface of an object to be inspected, so as to be focused on the bottom surface of the object to be inspected and receiving a reflected wave, reflected from the bottom surface of the object to be inspected; and a monitoring unit providing information on a crack on the basis of intensity of the reflected wave.Type: ApplicationFiled: December 19, 2016Publication date: January 3, 2019Inventors: Sang-Woo CHOI, Jae-Suk HONG, Kwan-Tae KIM, Nam-Ho SHIN, Tae-Hwa CHOI
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Publication number: 20180318761Abstract: A process discharge gas polluted material removal device with a regenerating means of a polluted oxidation catalyst includes: an oxidation catalyst tower connected to a pipe circulating a process discharge gas including a combustible material, an organic material, an inorganic material, and nitrogen oxide and having a first temperature and having an oxidation catalyst embedded therein, the oxidation catalyst oxidizing and removing the combustible material; and a plasma reactor connected to the oxidation catalyst tower in front of the oxidation catalyst, generating a synthesis gas including hydrogen and having a high temperature of 300° C. or more by a plasma reaction, and supplying the synthesis gas including the hydrogen to the oxidation catalyst to regenerate the oxidation catalyst poisoned by the organic material and the inorganic material.Type: ApplicationFiled: November 1, 2016Publication date: November 8, 2018Inventors: Dae-hoon LEE, Younghoon SONG, Kwan-Tae KIM, Sungkwon JO
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Publication number: 20170284260Abstract: A plasma selective catalytic reduction (SCR) system according to an exemplary embodiment of the present invention includes: an exhaust pipe connected to an engine to communicate exhaust gas; a plasma burner installed in a first bypass line connected to the exhaust pipe, and configured to supply fuel to discharged plasma and form flame; a urea solution injector installed in the first bypass line at a rear side of the plasma burner, and configured to inject a urea solution to exhaust gas heated by the flame and generate ammonia; and an SCR catalyst installed in the exhaust pipe at a rear side of the urea solution injector, and configured to reduce a nitrogen oxide included in the exhaust gas with the ammonia.Type: ApplicationFiled: August 24, 2015Publication date: October 5, 2017Inventors: Dae-hoon LEE, Younghoon SONG, Kwan-Tae KIM, Sung Hyun PYUN
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Publication number: 20170196444Abstract: A laser-induced breakdown spectroscope according to an exemplary embodiment of the present invention includes: a laser head which emits a laser beam; a focusing lens which focuses the laser beam on a target specimen; a plasma reactor unit which amplifies first plasma, which is generated on the target specimen positioned at a focal point of the laser beam passing through the focusing lens, by controlling electron density and electron energy of the first plasma; a collection lens which focuses second plasma amplified by the plasma reactor unit; and a spectrophotometer which analyzes the second plasma focused by the collection lens.Type: ApplicationFiled: March 20, 2015Publication date: July 13, 2017Inventors: Sung Hyun PYUN, Dae-hoon LEE, YoungHoon SONG, Kwan-Tae KIM
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Patent number: 8852520Abstract: The present invention provides a plasma reactor for abating hazardous materials generated in a low-pressure process during a process of manufacturing a display or a semiconductor. A plasma reactor for abating hazardous materials according to an exemplary embodiment of the present invention includes: a first ground electrode and a second ground electrode disposed at a distance from each other; a dielectric fixed between the first ground electrode and the second ground electrode; and at least one driving electrode disposed on an outer surface of the dielectric, being spaced apart from the first ground electrode and the second ground electrode and connected to an AC power supply unit to receive a driving voltage therefrom.Type: GrantFiled: October 15, 2010Date of Patent: October 7, 2014Assignee: Korea Institute of Machinery & MaterialsInventors: Min Hur, Min-Suk Cha, Young-Hoon Song, Jae-Ok Lee, Dae-Hoon Lee, Kwan-Tae Kim