Patents by Inventor Kyu Hun Kim
Kyu Hun 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: 20240128109Abstract: An apparatus for manufacturing a semiconductor device includes a substrate transfer unit configured to transfer a substrate, a rail unit including a driving rail extending in a first direction that the substrate transfer unit moves and a stopper on a side of the driving rail in a second direction crossing the first direction, and a lifting unit configured to move in the first direction and a third direction perpendicular to the first and second directions to remove the substrate transfer unit from the rail unit, wherein the lifting unit is configured to contact the stopper to move the stopper from a closed state to an open state.Type: ApplicationFiled: October 11, 2023Publication date: April 18, 2024Inventors: Ji Hun Kim, Youn Gon Oh, Woo-Ram Moon, Sang Hyuk Park, Jong Hun Lee, Kyu-Sik Jeong
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Patent number: 11954891Abstract: Provided is a method of compressing an occupancy map of a three-dimensional (3D) point cloud, and more specifically, a method of compressing an occupancy map of a point cloud in which an occupancy map image of a point cloud existing in a 3D space is compressed based on a compression quality or a patch-by-patch inspection method of the occupancy map image so that compression distortion is minimized when reconstructing the compressed occupancy map image so as to remarkably improve the quality of a reconstructed occupancy map image.Type: GrantFiled: June 30, 2021Date of Patent: April 9, 2024Assignees: Electronics and Telecommunications Research Institute, IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)Inventors: Eun Young Chang, Euee Seon Jang, Tian Yu Dong, Ji Hun Cha, Kyu Tae Kim, Jae Young Ahn
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Publication number: 20240109419Abstract: The present disclosure relates to a DC-DC converter, a vehicle, and a control method including the same, and more particularly, to a DC-DC converter, a vehicle, and a control method including the same capable of effectively detecting and responding to an interlock failure of a connector.Type: ApplicationFiled: May 9, 2023Publication date: April 4, 2024Applicants: Hyundai Motor Company, Kia CorporationInventors: Jae Hun JEONG, Mun Soo CHUNG, Kyu Won JEONG, Tae Woo KIM, Jong Dae KIM, Beom Sik KIM, Sang Don LEE
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Patent number: 11945915Abstract: A method for synthesizing a pre-hydrolyzed polysilicate, wherein a polysilicate is applied as a reactant when synthesizing the pre-hydrolyzed polysilicate, and the total amount of water added in the reaction system is specified. The method is capable of omitting a condensation reaction by applying a polysilicate as a reactant, thereby significantly shortening synthesis time and reducing production costs when compared with a typical synthesis method in which alkoxysilane-based monomer compound is used as a reactant. In addition, the gelation reaction time and the weight average molecular weight can be easily controlled, and a pre-hydrolyzed polysilicate excellent in storage stability and processability can be synthesized.Type: GrantFiled: November 27, 2019Date of Patent: April 2, 2024Assignee: LG CHEM, LTD.Inventors: Kyu Reon Lee, Kyoung Shil Oh, Jong Hun Kim, Se Won Baek
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Patent number: 11945744Abstract: Disclosed are a method and apparatus for reusing wastewater. The method for reusing wastewater disclosed herein includes: generating a mixed wastewater by mixing multiple types of wastewater (S20); performing a first purification by passing the mixed wastewater through a flocculation-sedimentation unit (S40); performing a second purification by passing an effluent of the flocculation-sedimentation unit through a membrane bioreactor (MBR) (S60); performing a third purification by passing an effluent of the MBR through a reverse-osmosis membrane unit (S80); and reusing an effluent of the reverse-osmosis membrane unit as cooling water or industrial water (S100).Type: GrantFiled: April 14, 2023Date of Patent: April 2, 2024Assignees: SAMSUNG ENGINEERING CO., LTD., SAMSUNG ELECTRONICS CO., LTDInventors: Seok Hwan Hong, Dae Soo Park, Seung Joon Chung, Yong Xun Jin, Jae Hyung Park, Jae Hoon Choi, Jae Dong Hwang, Jong Keun Yi, Su Hyoung Cho, Kyu Won Hwang, June Yurl Hur, Je Hun Kim, Ji Won Chun
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Publication number: 20240097168Abstract: A vehicle is provided that includes a DC converter having a first end connected to a fuel cell, a second end connected to a high-voltage battery, and at least one switching element connected between the first end and the second end, a fuel cell control unit which controls an activation state of a running command for start of the fuel cell based on an on-off state of vehicle start, and a converter controller which controls a running state of the DC converter according to an initial start sequence, a shutdown sequence, or a restart sequence for the fuel cell based on the activation state of the running command.Type: ApplicationFiled: March 8, 2023Publication date: March 21, 2024Inventors: Beom Sik KIM, Kyu Won JEONG, Tae Woo KIM, Jae Hun JEONG, Mun Soo CHUNG, Sang Don LEE
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Publication number: 20240097566Abstract: A DC-DC converter, a vehicle including the converter, and a controlling method thereof are provided. The DC-DC converter includes a first capacitor connected to a first DC terminal, a second capacitor connected to a second DC terminal, a plurality of converting circuits each including at least an inductor and a plurality of switching elements, and connected to each other in parallel between the first capacitor and the second capacitor, and a controller configured to control an ON/OFF state of the plurality of switching elements provided of each of the converting circuits. When external power connection with respect to each of the first DC terminal and the second DC terminal is disconnected, the controller is configured to control states of the plurality of switching elements to sequentially provide a plurality of different discharge paths between opposite terminals of the second capacitor via the plurality of converting circuits.Type: ApplicationFiled: July 3, 2023Publication date: March 21, 2024Applicants: Hyundai Motor Company, Kia CorporationInventors: Beom Sik KIM, Kyu Won JEONG, Tae Woo KIM, Jae Hun JEONG, Mun Soo CHUNG, Sang Don LEE
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Publication number: 20240092224Abstract: A method for controlling a vehicle includes determining the number of driving legs according to an output current target value of a DC-DC converter; selecting one or more legs to be switched as many as the number of the driving legs from among a plurality of legs included in the DC-DC converter based on accumulated operation time for each of the plurality of legs; and controlling an output current value of the DC-DC converter to follow the output current target value by switching the selected one or more legs.Type: ApplicationFiled: March 6, 2023Publication date: March 21, 2024Applicants: Hyundai Motor Company, Kia CorporationInventors: Jae Hun JEONG, Kyu Won JEONG, Beom Sik KIM, Mun Soo CHUNG
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Publication number: 20240092187Abstract: A direct current to direct current (DC-DC) converter, a vehicle including the converter, and a controlling method thereof are proposed. The DC-DC converter is capable of efficiently detecting and responding to miscoupling of a connector. The DC-DC converter includes a first inlet corresponding to a first DC terminal, a transformation circuit connected to the first DC terminal and a second DC terminal while being located therebetween, and a converter controller, wherein when receiving a voltage command corresponding to the first DC terminal from an external controller, the converter controller is configured to determine whether or not a connector coupled to the first inlet is miscoupled thereto based on whether or not a voltage of the first DC terminal follows the voltage command.Type: ApplicationFiled: July 10, 2023Publication date: March 21, 2024Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Kyu Won Jeong, Mun Soo Chung, Jae Hun Jeong, Beom Sik Kim, Tae Woo Kim
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Publication number: 20240088784Abstract: A DC-DC converter may include a first capacitor connected to a first DC end, a second capacitor connected to a second DC end, a power conversion circuit connected between the first capacitor and the second capacitor and including at least one switching element, and a controller determining, when the second capacitor is charged as the battery is connected to the second DC end, whether the at least one switching element has failed based on a first voltage that is a voltage between opposite ends of the first capacitor and a second voltage that is a voltage between opposite ends of the second capacitor.Type: ApplicationFiled: March 10, 2023Publication date: March 14, 2024Inventors: Jae Hun Jeong, Kyu Won Jeong, Beom Sik Kim, Mun Soo Chung
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Publication number: 20230227696Abstract: The present disclosure is a composition for a semiconductor process applied to a polishing process of a semiconductor wafer and, more specifically, to a semiconductor process involving a polishing process of a semiconductor wafer, wherein the composition includes abrasive particles, and the zeta potential of the abrasive particles is ?50 mV to ?10 mV at a pH of 6, and the zeta potential change rate represented by Equation 1 below is 6 mV to 30 mV: [Equation 1] Zeta potential change rate (mV/pH)=|(Z6?Z5)/(p6?p5)| where p6 denotes pH 6, p5 denotes pH 5, Z6 denotes a zeta potential at the pH 6, and Z5 denotes a zeta potential at the pH 5.Type: ApplicationFiled: January 19, 2023Publication date: July 20, 2023Inventors: Seung Chul HONG, Deok Su HAN, Han Teo PARK, Hwan Chul KIM, Kyu Hun KIM, Eun Sun JOENG
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Publication number: 20230040931Abstract: Provided is a polishing composition for a semiconductor process comprising abrasive particles, the abrasive particles containing an amine-based polishing rate improver, and comprising the amine-based polishing rate improver. Provided is a polishing composition for a semiconductor process further comprising an amine-based surface modifier around the surface of the abrasive particles, wherein the sum of the content of an amine group contained in the amine-based polishing rate improver and the content of an amine group contained in the amine-based surface modifier is 0.0185% by weight or more based on the total composition weight. The polishing composition for a semiconductor process may implement the polishing rate and defect prevention performance within a target range in polishing the boron-doped polysilicon layer.Type: ApplicationFiled: July 21, 2022Publication date: February 9, 2023Inventors: Seung Chul HONG, Deok Su Han, Han Teo Park, Kyu Hun Kim, Eun Sun Joeng, Jang Kuk Kwon, Hyeong Ju Lee
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Patent number: 11454753Abstract: The optical multilayer film, which comprises a laminate in which a base layer, a primer layer, and a hard coat layer are sequentially laminated, has enhanced mechanical properties while preventing rainbow stains and a reduction in the visibility by adjusting the in-plane retardation of the base layer and the refractive indices of the respective layers. Thus, the optical component and the display device, which comprise the optical multilayer film, have excellent optical characteristics and can operate normally even in harsh environments.Type: GrantFiled: July 9, 2019Date of Patent: September 27, 2022Assignee: SKC CO., LTD.Inventors: Young Min Heo, Kyu-Hun Kim, Sechul Lee, Seungwon Lee
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Patent number: 11306183Abstract: One embodiment may provide a method for producing a polyimide film, the method comprising the steps of: polishing the surface of a casting body; producing a gel sheet by casting a precursor on the polished surface of the casting body, and drying same; and producing a polyimide film by heat-treating the gel sheet, wherein the roughness of the polished surface of the casting body is 0.1 nm to 160 nm, and when the area of the casting body onto which the precursor is casted is partitioned by 1 cm×1 cm, the area corresponding to a defect reduction region is at least 90%, and the polyimide film has a yellowness of at most 3, a haze of at most 1%, a permeability of at least 88%, a modulus of at least 5.0 GPa and a surface hardness of at least HB.Type: GrantFiled: February 5, 2018Date of Patent: April 19, 2022Assignee: SKC CO., LTD.Inventors: Sunhwan Kim, Jin Woo Lee, Dae Seong Oh, Dawoo Jeong, Kyu-Hun Kim
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Patent number: 11001039Abstract: A resin film for laminated glass, laminated glass including the resin film, and a process for manufacturing the laminated glass are disclosed. The resin film for laminated glass comprises a resin layer comprising a polyvinyl acetal resin and a contact surface in direct contact with glass, wherein the contact surface has an Rz roughness of 25 to 90 ?m and a maximum static friction coefficient at 20° C. of 0.85 to 1.60, and the compressive elastic deformation index measured in the perpendicular direction from the contact surface at 35° C. is 40 to 310 ?m/N.Type: GrantFiled: November 26, 2019Date of Patent: May 11, 2021Assignee: SKC CO., LTD.Inventors: Kyu-Hun Kim, Jewon Yeon, Sung Jin Chung, Heung Sik Kim, Hyejin Kim, Hak Soo Lee
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Publication number: 20200094530Abstract: A resin film for laminated glass, laminated glass including the resin film, and a process for manufacturing the laminated glass are disclosed. The resin film for laminated glass comprises a resin layer comprising a polyvinyl acetal resin and a contact surface in direct contact with glass, wherein the contact surface has an Rz roughness of 25 to 90 ?m and a maximum static friction coefficient at 20° C. of 0.85 to 1.60, and the compressive elastic deformation index measured in the perpendicular direction from the contact surface at 35° C. is 40 to 310 ?m/N.Type: ApplicationFiled: November 26, 2019Publication date: March 26, 2020Applicant: SKC CO., LTD.Inventors: Kyu-Hun Kim, Jewon Yeon, Sung Jin Chung, Heung Sik Kim, Hyejin Kim, Hak Soo Lee
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Patent number: 10562277Abstract: Embodiments relate to a resin film for laminated glass, laminated glass comprising the resin film, and a process for manufacturing the laminated glass. The resin film for laminated glass comprises a resin layer comprising a polyvinyl acetal resin and a contact surface in direct contact with glass, wherein the contact surface has an Rz roughness of 25 to 90 ?m and a maximum static friction coefficient at 20° C. of 0.85 to 1.60, and the compressive elastic deformation index measured in the perpendicular direction from the contact surface at 35° C. is 40 to 310 ?m/N.Type: GrantFiled: June 14, 2018Date of Patent: February 18, 2020Assignee: SKC CO., LTD.Inventors: Kyu-Hun Kim, Jewon Yeon, Sung Jin Chung, Heung Sik Kim, Hyejin Kim, Hak Soo Lee
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Publication number: 20200012029Abstract: The optical multilayer film, which comprises a laminate in which a base layer, a primer layer, and a hard coat layer are sequentially laminated, has enhanced mechanical properties while preventing rainbow stains and a reduction in the visibility by adjusting the in-plane retardation of the base layer and the refractive indices of the respective layers. Thus, the optical component and the display device, which comprise the optical multilayer film, have excellent optical characteristics and can operate normally even in harsh environments.Type: ApplicationFiled: July 9, 2019Publication date: January 9, 2020Inventors: Young Min Heo, Kyu-Hun Kim, Sechul Lee, Seungwon Lee
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Publication number: 20190390014Abstract: One embodiment may provide a method for producing a polyimide film, the method comprising the steps of: polishing the surface of a casting body; producing a gel sheet by casting a precursor on the polished surface of the casting body, and drying same; and producing a polyimide film by heat-treating the gel sheet, wherein the roughness of the polished surface of the casting body is 0.1 nm to 160 nm, and when the area of the casting body onto which the precursor is casted is partitioned by 1 cm×1 cm, the area corresponding to a defect reduction region is at least 90%, and the polyimide film has a yellowness of at most 3, a haze of at most 1%, a permeability of at least 88%, a modulus of at least 5.0 GPa and a surface hardness of at least HB.Type: ApplicationFiled: February 5, 2018Publication date: December 26, 2019Inventors: Sunhwan KIM, Jin Woo LEE, Dae Seong OH, Dawoo JEONG, Kyu-Hun KIM
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Publication number: 20180361714Abstract: Embodiments relate to a resin film for laminated glass, laminated glass comprising the resin film, and a process for manufacturing the laminated glass. The resin film for laminated glass comprises a resin layer comprising a polyvinyl acetal resin and a contact surface in direct contact with glass, wherein the contact surface has an Rz roughness of 25 to 90 ?m and a maximum static friction coefficient at 20° C. of 0.85 to 1.60, and the compressive elastic deformation index measured in the perpendicular direction from the contact surface at 35° C. is 40 to 310 ?m/N.Type: ApplicationFiled: June 14, 2018Publication date: December 20, 2018Applicant: SKC CO., LTD.Inventors: Kyu-Hun KIM, Jewon YEON, Sung Jin CHUNG, Heung Sik KIM, Hyejin KIM, Hak Soo LEE