Patents by Inventor Sung-hwan Choi
Sung-hwan 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: 20240154042Abstract: A semiconductor device includes a substrate including an upper surface and a lower surface that are opposite to each other in a first direction, an active pattern which is on the upper surface of the substrate and extends in a second direction, a gate electrode which is on the active pattern and extends in a third direction, a first source/drain pattern which is connected to the active pattern on the upper surface of the substrate, and includes a lower epitaxial region and an upper epitaxial region, the upper epitaxial region including an epitaxial recess, and the lower epitaxial region being inside the epitaxial recess, a first source/drain contact, which is connected to the first source/drain pattern and extends into the substrate, and a contact silicide layer, which is between the first source/drain contact and the first source/drain pattern and contacts the lower epitaxial region.Type: ApplicationFiled: July 17, 2023Publication date: May 9, 2024Inventors: Jun Ki PARK, Wan Don KIM, Jeong Hyuk YIM, Hyo Seok CHOI, Sung Hwan KIM
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Publication number: 20240145913Abstract: The present disclosure relates to a phase shifter and a communication device including the same, and particularly, to a phase shifter including a base panel; a fixed substrate which is laminated and fixed on one side or another side on the base panel and has a plurality of circuit patterns printed on the top surface thereof; and a phase shift switching part provided with a plurality of movable substrates including movable strip terminal which are in contact with the plurality of circuit patterns of the fixed substrate, wherein the phase shift switching part is configured to reciprocate the plurality of movable substrates within a predetermined distance in a horizontal direction on the base panel to change the positions of contact points of the movable substrates with respect to the circuit patterns, wherein the phase shift switching part moves the plurality of movable substrates while elastically supporting the plurality of movable substrates toward the circuit patterns, thereby providing an advantage of maxiType: ApplicationFiled: January 7, 2024Publication date: May 2, 2024Applicant: KMW INC.Inventors: Sung Hwan SO, Oh Seog CHOI, Seong Man KANG, Hyoung Seok YANG, Yong Won SEO, Cha Gun GANG
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Publication number: 20240145939Abstract: A dual polarization antenna is disclosed in at least one embodiment of the present disclosure, including a base substrate, a power feeding unit supported on the base substrate, and a radiating plate supported on the power feeding unit, the power feeding unit includes a first feeding substrate and a second feeding substrate arranged to cross each other on the base substrate, the first feeding substrate includes a first feed line configured to supply a first reference phase signal to a first point on the radiating plate and to supply a first reverse phase signal having a reverse phase relative to the first reference phase signal, to a second point on the radiating plate, the second feeding substrate includes a second feed line configured to supply a second reference phase signal to a third point on the radiating plate and to supply a second reverse phase signal having a reverse phase relative to the second reference phase signal, to a fourth point on the radiating plate, and wherein the first feeding substrateType: ApplicationFiled: December 15, 2023Publication date: May 2, 2024Applicant: KMW INC.Inventors: Sung Hwan SO, Oh Seog CHOI, Seong Man KANG, Yong Won SEO, Myung Hwa KIM, Su Yong LEE
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Publication number: 20240140944Abstract: The present invention relates to a novel naphthyridinone derivative compound, a pharmaceutically acceptable salt thereof, a hydrate thereof, or a stereoisomer thereof, which are each relevant to a compound for inhibiting ENPP1, a composition for inhibiting ENPP1, and a method for inhibiting ENPP1.Type: ApplicationFiled: December 29, 2021Publication date: May 2, 2024Applicant: TXINNO BIOSCIENCE INC.Inventors: Seo Jung Han, Chan Sun Park, Sung Joon Kim, Jae Eun Cheong, Jung Hwan Choi, Ali Imran, Sun Woo Lee, Yong Yea Park, Ah Ran Yu, Sun Young Park
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Patent number: 11969397Abstract: The present invention relates to a composition for preventing or treating transplantation rejection or a transplantation rejection disease, comprising a novel compound and a calcineurin inhibitor. A co-administration of the present invention 1) reduces the activity of pathogenic Th1 cells or Th17 cells, 2) increases the activity of Treg cells, 3) has an inhibitory effect against side effects, such as tissue damage, occurring in the sole administration thereof, 4) inhibits various pathogenic pathways, 5) inhibits the cell death of inflammatory cells, and 6) increases the activity of mitochondria, in an in vivo or in vitro allogenic model, a transplantation rejection disease model, a skin transplantation model, and a liver-transplanted patient, and thus inhibits transplantation rejection along with mitigating side effects possibly occurring in the administration of a conventional immunosuppressant alone.Type: GrantFiled: November 7, 2019Date of Patent: April 30, 2024Assignee: THE CATHOLIC UNIVERSITY OF KOREA INDUSTRY-ACADEMIC COOPERATION FOUNDATIONInventors: Mi-La Cho, Dong-Yun Shin, Jong-Young Choi, Chul-Woo Yang, Sung-Hwan Park, Seon-Yeong Lee, Min-Jung Park, Joo-Yeon Jhun, Se-Young Kim, Hyeon-Beom Seo, Jae-Yoon Ryu, Keun-Hyung Cho
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Patent number: 11967269Abstract: A scan driver includes: a first transistor having a first electrode coupled to an output scan line, a second electrode coupled to a first power line, and a gate electrode coupled to a first node; a second transistor having a first electrode coupled to a first clock line, a second electrode coupled to the output scan line, and a gate electrode coupled to a second node; a third transistor having a first electrode coupled to the first node, a second electrode coupled to a first input scan line, and a gate electrode coupled to a second clock line; and a fourth transistor having a first electrode coupled to the second node and a second electrode and a gate electrode, which are coupled to a second input scan line, wherein the first input scan line and the second input scan line are different from each other.Type: GrantFiled: October 4, 2022Date of Patent: April 23, 2024Assignee: Samsung Display Co., Ltd.Inventors: Chul Kyu Kang, Sung Hwan Kim, Soo Hee Oh, Dong Sun Lee, Sang Moo Choi
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Publication number: 20240122070Abstract: The present invention relates to a novel polycyclic compound employed in an organic layer of an organoelectro luminescent device, wherein the organoelectro luminescent device employing the compound according to the present invention has remarkably improved luminous efficiency and a long lifespan. According to the present invention, it is possible to implement a highly efficient and long-life organoelectro luminescent device that can be effectively applied to various display devices.Type: ApplicationFiled: October 12, 2020Publication date: April 11, 2024Applicant: SFC CO., LTDInventors: Bong-ki SHIN, Sung-hoon JOO, Byung-sun YANG, Ji-hwan KIM, Hyeon-jun JO, Sung-eun CHOI
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Publication number: 20240116882Abstract: The present invention relates to a novel benzotriazole derivative compound, a tautomer thereof, a pharmaceutically acceptable salt thereof, a hydrate thereof, or a stereoisomer thereof, which are related to a compound for inhibiting ENPP1, a composition for inhibiting ENPP1, and a method for inhibiting ENPP1.Type: ApplicationFiled: January 28, 2022Publication date: April 11, 2024Applicant: TXINNO BIOSCIENCE INC.Inventors: Chan Sun Park, Sung Joon Kim, Ali Imran, Yoo Jin Na, So Ra Paik, Jung Hwan Choi, Sun Woo Lee, Yong Yea Park, Ah Ran Yu, Sun Young Park
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Publication number: 20240110727Abstract: Provided is a carbon monoxide (CO) leak alerting device and method, and more specifically, a CO leak alerting device and method, whereby, by operating on the basis of the Internet of Things (IoT), a CO leak caused by damage to a boiler flue is detected, an alert is issued through two or more among the CO leak alerting device, a boiler controller and a wall pad, boiler ventilation and indoor air ventilation are automatically carried out when the leak is determined to have occurred, and authorities relevant to the CO leak, and a user are directly notified of the CO leak.Type: ApplicationFiled: October 30, 2020Publication date: April 4, 2024Inventors: Young-Hwan CHOI, Sung-An HA, Jung-Jae JANG
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Patent number: 11946541Abstract: A method of controlling an EOP of a powertrain may include determining, by a controller electrically connected to the EOP, whether an oil sloshing phenomenon in which it is difficult for oil to return to a space where an oil intake port of the EOP is positioned may occur while a vehicle is running; and reducing, by the controller, the revolutions per minute (RPM) of the EOP by a predetermined reduced RPM when it is determined that the oil sloshing phenomenon may occur.Type: GrantFiled: August 20, 2021Date of Patent: April 2, 2024Assignees: Hyundai Motor Company, Kia CorporationInventors: Sung Sik Choi, Kyung Moo Lee, Seong Min Son, Ki Bum Kim, Se Hwan Jo, Bong Uk Bae
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Publication number: 20240104464Abstract: A system selecting a process key factor in a commercial chemical process, includes: a data extraction unit that extracts tag data in units of a set period; an outlier discrimination unit that discriminates and aggregates outliers by tag by using an outlier extraction reference master; an outlier processing unit that generates an input mart draft excluding the outliers; a derived variable generation unit that generates derived variables for each tag, and generates an advanced input mart having the derived variable added thereto; a yield calculation unit that backs up the result of calculation of a yield by realizing a target value via exclusion and correction of the outliers; and a key factor extraction unit that extracts a yield key factor by calculating importance of each tag, and backs up importance data for each tag.Type: ApplicationFiled: April 27, 2022Publication date: March 28, 2024Applicant: SK GAS CO., LTD.Inventors: Ung Gi HONG, Sung Joo YEO, Seung Hwan KONG, Min Ho KIM, Hae Bin SHIN, Hee Dong CHOI, Young Gook KYE
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Publication number: 20240105044Abstract: The present disclosure relates to a system and a method for discharging carbon monoxide (CO) by using a CO leakage alarm device and, more specifically, to a system and a method for discharging CO by using a CO leakage alarm device, the system and the method being operated on the basis of the Internet of things (IoT) so as to: detect CO leakage caused by damage to a boiler flue and sound an alarm through at least two from among the CO leakage alarm device, a boiler controller, a wall pad, and the like, automatically perform boiler ventilation and indoor air ventilation when the leakage is determined; and directly notify CO leakage-related authorities and users about the CO leakage.Type: ApplicationFiled: October 13, 2020Publication date: March 28, 2024Inventors: Young-Hwan CHOI, Sung-An HA, Jung-Jae JANG
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Patent number: 11939173Abstract: A transportation head for a microchip transfer device capable of minimizing mechanical and chemical damage to a microchip, a microchip transfer device having same, and a transfer method thereby, and the transportation head includes a head body having a pickup area and a dummy area; a first protruding pin disposed in the pickup area of the head body; and a liquid droplet attached to the first protruding pin.Type: GrantFiled: August 23, 2019Date of Patent: March 26, 2024Assignee: LG DISPLAY CO., LTD.Inventors: Dahl-Young Khang, Sung-Hwan Hwang, Jia Lee, Sung-Soo Yoon, Su Seok Choi, Kiseok Chang, Jeong Min Moon, Soon Shin Jung, Sungpil Ryu, Jihwan Jung
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SYSTEM AND METHOD FOR PREDICTING PROCESS CHANGES BY USING KEY FACTORS IN COMMERCIAL CHEMICAL PROCESS
Publication number: 20240095548Abstract: A system for predicting process changes by using key factors in a commercial chemical process, includes: a key factor extraction and individual tag importance backup unit that extracts yield key factors by calculating the importance of each tag, and backs up importance data for each tag; and a yield prediction model training and yield prediction performing unit that performs yield prediction model training by using the importance of each tag accumulated in the key factor extraction and individual tag importance backup unit, and performs yield prediction so as to output a yield prediction result, evaluates performance, and selects an optimal prediction model.Type: ApplicationFiled: April 27, 2022Publication date: March 21, 2024Applicant: SK GAS CO., LTD.Inventors: Ung Gi HONG, Sung Joo YEO, Seung Hwan KONG, Min Ho KIM, Hae Bin SHIN, Hee Dong CHOI, Young Gook KYE -
Publication number: 20240098001Abstract: The present disclosure relates to a data management system and method and, more particularly, to a data management system and method using a docker system in an edge computing environment, the system and method collecting and managing data for each of control operation targets and each of characteristic of the control operation targets using a docker system in an edge computing-cloud computing linkage environment, and enabling an edge server to stably operate in accordance with the characteristics of the control operation targets even though communication between the edge server of an edge computing environment and a cloud server is impossible.Type: ApplicationFiled: September 12, 2023Publication date: March 21, 2024Applicant: Kevinlab Co.Inventors: Kyung Hak KIM, Sung Hwan CHOI
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Publication number: 20240067668Abstract: The present invention relates to a heteroaryl derivative compound and a use thereof. Since the heteroaryl derivative of the present invention exhibits excellent inhibitory activity against EGFR, the heteroaryl derivative can be usefully used as a therapeutic agent for EGFR-associated diseases.Type: ApplicationFiled: December 29, 2021Publication date: February 29, 2024Inventors: Yi Kyung Ko, Ah Reum Han, Jin Hee Park, Yeong Deok Lee, Hye Rim Im, Kyun Eun Kim, Dong Keun Hwang, Su Been Nam, Myung Hoe Heo, Se Rin Cho, Eun Hwa Ko, Sung Hwan Kim, Hwan Geun Choi
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Publication number: 20230420952Abstract: The present disclosure provides a power supply system and method for a collective building by supplying power to common loads for common purposes of a large number of households constituting a collective building and to separate loads for separate purposes of the households, the power supply system including: a first new renewable energy facility that does not require an operation cost for producing power that is used by the separate load of the households and the common loads; a second new renewable energy facility that requires an operation cost for producing power that is used by the separate load of the households and the common loads; and an energy storage system that stores power produced at the first and second new renewable energy facilities, in which the first new renewable energy facility is always operated and the second new renewable energy facility is selectively operated.Type: ApplicationFiled: June 27, 2023Publication date: December 28, 2023Applicant: Kevinlab Co.Inventors: Kyung Hak KIM, Sung Hwan CHOI
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Publication number: 20230419424Abstract: An aspect of a power supply system for a collective building according to an embodiment of the present disclosure is a system for supplying power to common loads that consume power for common purposes of a large number of households constituting a collective building and to separate loads that consume power for separate purposes of the households, the power supply system including: a new renewable energy facility that produces power that is used by the common loads and the separate loads of the households; and an energy storage system that stores power produced at the new renewable energy facility, in which the power stored in the energy storage system is equally assigned to the households and the power assigned to the households is supplied to at least one of the common loads and the separate loads.Type: ApplicationFiled: June 27, 2023Publication date: December 28, 2023Applicant: Kevinlab Co.Inventors: Kyung Hak KIM, Sung Hwan CHOI
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Publication number: 20230420953Abstract: The present disclosure provides a power supply system and method for a collective building by supplying power to common loads for common purposes of a large number of households constituting a collective building and to separate loads for separate purposes of the households. The power supply system includes at least: a new renewable energy facility that produces power that is used by the common loads and the separate loads of the households; an energy storage system that stores power produced at the new renewable energy facility; and a power supply facility that supplies power stored in the energy storage system to external loads, in which the power stored in the energy storage system is equally assigned to the households and the power assigned to the households is supplied to at least one of the common loads, the separate loads, and the external loads.Type: ApplicationFiled: June 27, 2023Publication date: December 28, 2023Applicant: Kevinlab Co.Inventors: Kyung Hak KIM, Sung Hwan CHOI
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Publication number: 20230358159Abstract: An embodiment coolant control module includes a housing including a coolant inlet configured to receive a coolant, a coolant outlet configured to discharge the coolant, an internal passage connecting the coolant inlet and the coolant outlet, and a pump mounting part adjacent to the coolant outlet. The coolant control module further includes a control valve disposed inside the housing and configured to change a direction of the coolant, a coolant pump coupled to the pump mounting part of the housing, a driving motor unit mounted on the housing, connected to the control valve, and configured to drive the control valve, and a controller mounted on the housing, connected to the coolant pump and the driving motor unit, and configured to control an operation of the coolant pump and the driving motor unit.Type: ApplicationFiled: September 7, 2021Publication date: November 9, 2023Inventors: Yeonho Kim, Jae Yeon Kim, Hoyoung Jeong, Ho Sung Kang, Do-Hyun Kim, Oh-Sang Shin, Sung-Hwan Choi, Sang Hyun Lee, Seong Woo Jeong, Jungbum Choi, Jeong Wan Han