Patents by Inventor Kihoon Nam
Kihoon Nam 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: 10359817Abstract: A display device according to one embodiment of the present invention includes a display module, and a heat dissipation unit which is coupled to a rear side of the display module. The heat dissipation unit includes a core part including a plurality of hollow polygonal columns extending in a front/back direction, a front sheet which is coupled to a front portion of the core part, and a rear sheet which is coupled to a rear portion of the core part. The core part has a thickness of about 40% to about 60% in the front/back direction with respect to a total thickness of the heat dissipation unit in the front/back direction.Type: GrantFiled: April 27, 2017Date of Patent: July 23, 2019Assignee: LG ELECTRONICS INC.Inventors: Seunghyun Yun, Sangsoo Lee, Hyunseok Hwang, Jangil Lee, Kwangsik Yoo, Youngdon Choi, Seokmin Hong, Kihoon Nam, Woohyuk Choi, Inkeun Ryu
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Publication number: 20190192739Abstract: The invention is directed to a composition comprising a fibrin hydrogel conjugated to peptides of laminin-111 (L1) and methods for repairing damaged salivary tissue using the composition.Type: ApplicationFiled: September 19, 2017Publication date: June 27, 2019Inventors: Olga Baker, Kihoon Nam, Pedro Lei, Stelios Andreadis
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Publication number: 20180256730Abstract: A polymeric carrier for delivery of a payload to a cell that can include poly(ethylenimine) and a biodegradable core molecule having disulfide bonds. The carrier can be used to introduce a therapeutic material for gene therapy or other therapeutic purposes.Type: ApplicationFiled: September 16, 2016Publication date: September 13, 2018Applicant: University of Utah Research FoundationInventors: Kihoon Nam, Sung Wan Kim
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Patent number: 9907861Abstract: The polymeric carrier for delivering nucleic acid material to a cell is provided herein. The polymeric carrier can include a dendrimer group having 2 to 8 termini, each of the termini having an arginine-grafted bioreducible polymer attached thereto. In one embodiment, only a portion of the termini can have an arginine-grafted bioreducible polymer attached thereto.Type: GrantFiled: January 18, 2013Date of Patent: March 6, 2018Assignee: University of Utah Research FoundationInventors: Sung Wan Kim, Hye Yeong Nam, Kihoon Nam, David A. Bull
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Patent number: 9909476Abstract: A method and system for controlling an exhaust gas flow in an engine system are provided. The method includes detecting operating conditions of an engine and operating a valve that is disposed on a line bypassing a catalyst unit based on the operating conditions such that exhaust gas bypasses the catalyst unit. The operating conditions include a vehicle speed, an engine rotation speed, a fuel injection amount, an accelerator pedal signal, a coolant temperature, or a lambda value of exhaust gas.Type: GrantFiled: May 2, 2015Date of Patent: March 6, 2018Assignee: Hyundai Motor CompanyInventor: Kihoon Nam
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Patent number: 9890698Abstract: An engine system for controlling flow of exhaust gas may include an intake line to receive external air, an engine including a combustion chamber to combust the external air and a fuel supplied through the intake line, to generate driving torque, an exhaust line to exhaust the exhaust gas combusted in the combustion chamber of the engine, a turbocharger including a turbine operated according to exhaust gas flowing through the exhaust line and a compressor to compress the external air flowing through the intake line, a catalyst device to reduce a harmful component included in the exhaust gas passing through the turbine of the turbocharger, a bypass line branched from the exhaust line between the combustion chamber and the turbine and converged in the intake line between the compressor and the combustion chamber, and a bypass valve disposed in the bypass line to selectively open/close the bypass line.Type: GrantFiled: October 3, 2016Date of Patent: February 13, 2018Assignee: Hyundai Motor CompanyInventor: Kihoon Nam
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Publication number: 20170228001Abstract: A display device according to one embodiment of the present invention includes a display module, and a heat dissipation unit which is coupled to a rear side of the display module. The heat dissipation unit includes a core part including a plurality of hollow polygonal columns extending in a front/back direction, a front sheet which is coupled to a front portion of the core part, and a rear sheet which is coupled to a rear portion of the core part. The core part has a thickness of about 40% to about 60% in the front/back direction with respect to a total thickness of the heat dissipation unit in the front/back direction.Type: ApplicationFiled: April 27, 2017Publication date: August 10, 2017Applicant: LG ELECTRONICS INC.Inventors: Seunghyun YUN, Sangsoo LEE, Hyunseok HWANG, Jangil LEE, Kwangsik YOO, Youngdon CHOI, Seokmin HONG, Kihoon NAM, Woohyuk CHOI, Inkeun RYU
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Patent number: 9726073Abstract: An engine system for controlling flow of exhaust gas may include an intake line to receive external air, an engine including a combustion chamber to combust the external air and a fuel supplied through the intake line, to generate driving torque, an exhaust line to exhaust the exhaust gas combusted in the combustion chamber of the engine, a turbocharger including a turbine operated according to exhaust gas flowing through the exhaust line and a compressor to compress the external air flowing through the intake line, a catalyst device to reduce a harmful component included in the exhaust gas passing through the turbine of the turbocharger, a bypass line branched from the exhaust line between the combustion chamber and the turbine and converged in the intake line between the compressor and the combustion chamber, and a bypass valve disposed in the bypass line to selectively open/close the bypass line.Type: GrantFiled: July 13, 2015Date of Patent: August 8, 2017Assignee: Hyundai Motor CompanyInventor: Kihoon Nam
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Patent number: 9658659Abstract: A display device according to one embodiment of the present invention includes a display module, and a heat dissipation unit which is coupled to a rear side of the display module. The heat dissipation unit includes a core part including a plurality of hollow polygonal columns extending in a front/back direction, a front sheet which is coupled to a front portion of the core part, and a rear sheet which is coupled to a rear portion of the core part. The core part has a thickness of about 40% to about 60% in the front/back direction with respect to a total thickness of the heat dissipation unit in the front/back direction.Type: GrantFiled: January 10, 2014Date of Patent: May 23, 2017Assignee: LG ELECTRONICS INC.Inventors: Seunghyun Yun, Sangsoo Lee, Hyunseok Hwang, Jangil Lee, Kwangsik Yoo, Youngdon Choi, Seokmin Hong, Kihoon Nam, Woohyuk Choi, Inkeun Ryu
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Patent number: 9587547Abstract: An engine system for controlling an exhaust gas flow includes an intake line arranged to draw in outdoor air, an engine combusting the outdoor air supplied through the intake line and fuel in a combustion chamber of the engine to generate torque, an exhaust line for exhausting exhaust gas from the combustion in the combustion chamber of the engine, a turbocharger having a turbine operated by the exhaust gas passing through the exhaust line and a compressor for compressing the outdoor air in the intake line, a catalyst unit arranged on a downstream side of the turbocharger for reducing harmful components of the exhaust gas, a bypass line branched from the exhaust line on the downstream side of the turbocharger and joined to the exhaust line on a downstream side of the catalyst unit, and a bypass valve arranged on the bypass line for selectively opening/closing the bypass line.Type: GrantFiled: August 14, 2015Date of Patent: March 7, 2017Assignee: HYUNDAI MOTOR COMPANYInventor: Kihoon Nam
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Publication number: 20170022889Abstract: An engine system for controlling flow of exhaust gas may include an intake line to receive external air, an engine including a combustion chamber to combust the external air and a fuel supplied through the intake line, to generate driving torque, an exhaust line to exhaust the exhaust gas combusted in the combustion chamber of the engine, a turbocharger including a turbine operated according to exhaust gas flowing through the exhaust line and a compressor to compress the external air flowing through the intake line, a catalyst device to reduce a harmful component included in the exhaust gas passing through the turbine of the turbocharger, a bypass line branched from the exhaust line between the combustion chamber and the turbine and converged in the intake line between the compressor and the combustion chamber, and a bypass valve disposed in the bypass line to selectively open/close the bypass line.Type: ApplicationFiled: October 3, 2016Publication date: January 26, 2017Applicant: Hyundai Motor CompanyInventor: Kihoon NAM
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Patent number: 9453783Abstract: A method and an apparatus for detecting engine misfire has advantages of precisely detecting misfire occurrence when misfire continuously occurs at three or more engine cylinders and detecting an engine cylinder where the misfire occurs. The method may include calculating an angular acceleration factor value on the basis of an engine speed, calculating a variation value of an angular acceleration factor on the basis of the angular acceleration factor value, calculating a threshold point of misfire starting and a threshold point of misfire ending, comparing the variation value of the angular acceleration factor with the threshold point of misfire starting, comparing the variation value of the angular acceleration factor with the threshold point of misfire ending, and detecting a cylinder of the engine where the misfire occurs by the comparison results.Type: GrantFiled: May 13, 2014Date of Patent: September 27, 2016Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Seungeun Yu, Kihoon Nam, Kyoungchan Han
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Publication number: 20160138465Abstract: An engine system for controlling an exhaust gas flow includes an intake line arranged to draw in outdoor air, an engine combusting the outdoor air supplied through the intake line and fuel in a combustion chamber of the engine to generate torque, an exhaust line for exhausting exhaust gas from the combustion in the combustion chamber of the engine, a turbocharger having a turbine operated by the exhaust gas passing through the exhaust line and a compressor for compressing the outdoor air in the intake line, a catalyst unit arranged on a downstream side of the turbocharger for reducing harmful components of the exhaust gas, a bypass line branched from the exhaust line on the downstream side of the turbocharger and joined to the exhaust line on a downstream side of the catalyst unit, and a bypass valve arranged on the bypass line for selectively opening/closing the bypass line.Type: ApplicationFiled: August 14, 2015Publication date: May 19, 2016Inventor: Kihoon NAM
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Publication number: 20160123221Abstract: An engine system for controlling flow of exhaust gas may include an intake line to receive external air, an engine including a combustion chamber to combust the external air and a fuel supplied through the intake line, to generate driving torque, an exhaust line to exhaust the exhaust gas combusted in the combustion chamber of the engine, a turbocharger including a turbine operated according to exhaust gas flowing through the exhaust line and a compressor to compress the external air flowing through the intake line, a catalyst device to reduce a harmful component included in the exhaust gas passing through the turbine of the turbocharger, a bypass line branched from the exhaust line between the combustion chamber and the turbine and converged in the intake line between the compressor and the combustion chamber, and a bypass valve disposed in the bypass line to selectively open/close the bypass line.Type: ApplicationFiled: July 13, 2015Publication date: May 5, 2016Applicant: Hyundai Motor CompanyInventor: Kihoon Nam
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Publication number: 20160108788Abstract: A method and system for controlling an exhaust gas flow in an engine system are provided. The method includes detecting operating conditions of an engine and operating a valve that is disposed on a line bypassing a catalyst unit based on the operating conditions such that exhaust gas bypasses the catalyst unit. The operating conditions include a vehicle speed, an engine rotation speed, a fuel injection amount, an accelerator pedal signal, a coolant temperature, or a lambda value of exhaust gas.Type: ApplicationFiled: May 2, 2015Publication date: April 21, 2016Inventor: Kihoon Nam
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Publication number: 20160061101Abstract: An engine system, that includes a turbocharger and a supercharger, forms a boost pressure in an intake with the turbocharger, complements an insufficient boost pressure with the supercharger and supplies an exhaust gas from an exhaust line to an intake line.Type: ApplicationFiled: August 25, 2015Publication date: March 3, 2016Inventors: Kihoon NAM, JongMan JUN
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Patent number: 9243576Abstract: A system and a method for controlling NOx may include predicting NOx generation amount by using a virtual sensor; comparing the NOx prediction amount with a predetermined NOx target amount; and controlling the NOx generation amount so as for the NOx prediction amount to follow the NOx target amount.Type: GrantFiled: June 21, 2012Date of Patent: January 26, 2016Assignees: Hyundai Motor Company, SNU R&DB FoundationInventors: Jun Yu, Kihoon Nam, Kyoungchan Han, KyoungDoug Min, Junyong Lee, Wonah Park
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Publication number: 20150355689Abstract: A display device according to one embodiment of the present invention includes a display module, and a heat dissipation unit which is coupled to a rear side of the display module. The heat dissipation unit includes a core part including a plurality of hollow polygonal columns extending in a front/back direction, a front sheet which is coupled to a front portion of the core part, and a rear sheet which is coupled to a rear portion of the core part. The core part has a thickness of about 40% to about 60% in the front/back direction with respect to a total thickness of the heat dissipation unit in the front/back direction.Type: ApplicationFiled: January 10, 2014Publication date: December 10, 2015Applicant: LG ELECTRONICS INCInventors: Seunghyun YUN, Sangsoo LEE, Hyunseok HWANG, Jangil LEE, Kwangsik YOO, Youngdon CHOI, Seokmin HONG, Kihoon NAM, Woohyuk CHOI, Inkeun RYU
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Publication number: 20150292431Abstract: A method for compensating post-injection timing may include performing main injection to perform combustion using air drawn into a cylinder, performing post-injection after the main injection to control an amount of reducing agent or to change a temperature of exhaust gas, determining first injection timing of the post-injection according to operation conditions of an engine, advancing or retarding the first injection timing according to combustion efficiency of the post-injection, and performing the post-injection at a compensated first injection timing.Type: ApplicationFiled: September 30, 2014Publication date: October 15, 2015Applicant: Hyundai Motor CompanyInventors: Kihoon NAM, Kyoungchan Han, MinSu Kim
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Patent number: 9097215Abstract: An exhaust gas control method of an engine may include calculating a target mass flux of EGR gas by using air mass entering into a cylinder and target air mass supplied into the engine, calculating a target effective flow area (EFAd) of the EGR valve by using the target mass flux of the EGR gas and front/rear condition of the EGR valve, and calculating a valve opening rate of the EGR valve by using a predetermined curve fitting formula and the target effective flow area (EFAd).Type: GrantFiled: September 19, 2011Date of Patent: August 4, 2015Assignees: HYUNDAI MOTOR COMPANY, IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)Inventors: Kihoon Nam, Myoungho Sunwoo, Minkwang Lee, Yeongseop Park, Byounggul Oh