Patents by Inventor Dong-Seob Kim
Dong-Seob 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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Patent number: 11966768Abstract: Disclosed herein are an apparatus and method for a multi-cloud service platform. The apparatus includes one or more processors and executable memory for storing at least one program executed by the one or more processors. The at least one program may receive a service request from a user client device, generate a multi-cloud infrastructure service using multiple clouds in response to the service request, make the multiple clouds interoperate with mufti-cloud infrastructure in order to provide the multi-cloud infrastructure service, and generate a multi-cloud application runtime environment corresponding to the multi-cloud infrastructure service.Type: GrantFiled: February 3, 2021Date of Patent: April 23, 2024Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Seok-Ho Son, Dong-Jae Kang, Byoung-Seob Kim, Seung-Jo Bae, Ji-Hoon Seo, Byeong-Thaek Oh, Kure-Chel Lee, Young-Woo Jung
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Publication number: 20240079834Abstract: A removable fastening system includes a rail unit located in a vehicle, an electrode portion located at the inner side of the rail unit, a fixing unit having one end inserted to be fixed to the rail unit, and a mounting unit mounted at another end of the fixing unit, wherein the fixing unit is inserted into the rail unit and has a conductive portion rotated to be brought into contact with the electrode portion.Type: ApplicationFiled: May 19, 2023Publication date: March 7, 2024Inventors: Ji Seob PARK, Ji Ah Kim, Jin Ho Hwang, Jae Yong Lee, Dong Ju Lee
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Publication number: 20230286056Abstract: Disclosed are a coated cutting tool in which a coating layer is formed and a method for making the coating layer. The coating layer of the cutting tool of the present disclosure is formed on the whole or part of a substrate, and includes an MT-TiCN layer and an ?-Al2O3 layer which are formed of columnar grains. The MT-TiCN layer has texture coefficients of TC(311)>1.5 and TC(422)>1.5 and is formed of TiCN deposited by a chemical vapor deposition method within the range of 800° C. to 950° C., and the ?-Al2O3 layer is formed of columnar grains and has TC(006)>4. The coating layer of the present disclosure may form a coating layer (coating) having excellent wear resistance and chipping resistance by depositing, an ?-Al2O3 layer having a strong orientation in a <001> crystallographic direction with excellent adhesion, without using an HT-TiCN layer as in the related art.Type: ApplicationFiled: October 18, 2022Publication date: September 14, 2023Inventors: Dong Seob KIM, Hye Min AHN, Geun Woo PARK
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Patent number: 9862622Abstract: A filter structure capable of efficiently separating water and oil using wettability is provided. The filter structure according to an exemplary embodiment of the present invention includes a first filter layer including a plurality of openings, a second filter layer including a plurality of openings and positioned so as to be overlapped with the first filter layer at a distance from each other, and a hydrophobic polymer layer formed on surfaces of the first filter layer and the second filter layer. The first filter layer and the second filter layer include surfaces each having a dual-scale protrusion and depression structure as a combination of a micro-scale structure and a nano-scale structure, and the hydrophobic polymer layer is formed along curves of the protrusion and depression structure.Type: GrantFiled: June 27, 2013Date of Patent: January 9, 2018Assignee: POSTECH ACADEMY-INDUSTRY FOUNDATIONInventors: Woon Bong Hwang, Handong Jo, Dong Seob Kim, Yeong Ae Kim
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Patent number: 9650262Abstract: A filter structure capable of efficiently separating water and oil using wettability is provided. The filter structure includes a first filter layer including a plurality of openings and a second filter layer including a plurality of openings and positioned so as to be overlapped with the first filter layer at a distance from each other. The first filter layer and the second filter layer include surfaces each having a dual-scale protrusion and depression structure as a combination of a micro-scale structure and a nano-scale structure, and thus have superhydrophilicity and selectively allow water from a water and oil mixture to pass therethrough.Type: GrantFiled: June 24, 2013Date of Patent: May 16, 2017Assignee: POSTECH ACADEMY-INDUSTRY FOUNDATIONInventors: Woon Bong Hwang, Handong Jo, Dong Seob Kim, Yeong Ae Kim
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Publication number: 20150284269Abstract: A filter structure capable of efficiently separating water and oil using wettability is provided. The filter structure according to an exemplary embodiment of the present invention includes a first filter layer including a plurality of openings, a second filter layer including a plurality of openings and positioned so as to be overlapped with the first filter layer at a distance from each other, and a hydrophobic polymer layer formed on surfaces of the first filter layer and the second filter layer. The first filter layer and the second filter layer include surfaces each having a dual-scale protrusion and depression structure as a combination of a micro-scale structure and a nano-scale structure, and the hydrophobic polymer layer is formed along curves of the protrusion and depression structure.Type: ApplicationFiled: June 27, 2013Publication date: October 8, 2015Inventors: Woon Bong Hwang, Handong Jo, Dong Seob Kim, Yeong Ae Kim
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Publication number: 20150203370Abstract: A filter structure capable of efficiently separating water and oil using wettability is provided. The filter structure includes a first filter layer including a plurality of openings and a second filter layer including a plurality of openings and positioned so as to be overlapped with the first filter layer at a distance from each other. The first filter layer and the second filter layer include surfaces each having a dual-scale protrusion and depression structure as a combination of a micro-scale structure and a nano-scale structure, and thus have superhydrophilicity and selectively allow water from a water and oil mixture to pass therethrough.Type: ApplicationFiled: June 24, 2013Publication date: July 23, 2015Inventors: Woon Bong Hwang, Handong Jo, Dong Seob Kim, Yeong Ae Kim
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Patent number: 8925569Abstract: Disclosed is a safety valve of a low-pressure gas pipe which can be installed in a large-scale pipeline through which waste gases generated in a large-scale factory such as a steel mill flow and can reduce maintenance/management costs. The safety valve of a low-pressure gas pipe installed in a waste gas pipeline to discharge condensate includes: a first pipeline connected to a bottom surface of the waste gas pipeline and having a waste gas outlet on an inner wall thereof at one side thereof; a second pipeline extending from the first pipeline to be bent and extending in a direction parallel to the first pipeline; and an opening/closing unit for opening or closing the waste gas outlet.Type: GrantFiled: November 3, 2010Date of Patent: January 6, 2015Assignee: Postech Academy—Industry FoundationInventors: Woon Bong Hwang, Jeong Hwa Seo, Wan Kyun Chung, Dong Seob Kim
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Patent number: 8852448Abstract: A method for fabricating a 3D (three-dimensional) structure is disclosed to provide hydrophobicity to a surface of a 3D structure by using a dipping method in which a predetermined-shaped structure is immersed in a molten metal solution. The method includes: immersing a predetermined-shaped structure in a molten metal solution to coat a molten metal material on the surface of the predetermined-shaped structure; anodizing a metal base coated with the molten metal material; coating a polymer material on an outer surface of the metal-coated base to form a negative replica structure; covering an outer surface of the negative replica structure with an outer formation material; and removing the metal-coated base from the negative replica structure and the outer formation material.Type: GrantFiled: March 12, 2009Date of Patent: October 7, 2014Assignee: Postech Academy-Industry FoundationInventors: Dong-Seob Kim, Kun-Hong Lee, Woon-Bong Hwang, Geun-Bae Lim, Hyun-Chul Park, Byeong-Joo Lee, Sang-Min Lee, Joon-Won Kim
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Patent number: 8707999Abstract: The present invention relates to a method for manufacturing a solid body having a superhydrophobic surface structure formed by using a surface treatment of a metal body, a replication process, and a polymer sticking phenomenon to increase efficiency of fluid transfer and prevent foreign materials from being accumulated in the tube, and a superhydrophobic fluid transfer tube using the method. The superhydrophobic fluid transfer tube includes a fluid guider and a solid body provided on a fluid contact surface of the fluid guider and has micrometer-scaled unevenness and nanometer-scaled protrusions.Type: GrantFiled: September 19, 2007Date of Patent: April 29, 2014Assignee: Postech Academy-Industry FoundationInventors: Dong-Hyun Kim, Sang-Min Lee, Il-Sin Bae, Dong-Seob Kim, Duk-Hyun Choi, Chang-Woo Lee, Ji-Hoon Jeon, Seong-Ho Son, Tae-Chul Moon, Woon-Bong Hwang, Joon-Won Kim, Hyun-Chul Park, Kun-Hong Lee
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Patent number: 8394283Abstract: The present invention relates to a three-dimensional structure manufacturing method for performing surface treatment processes, and a replication step to provide hydrophobicity on an external surface of the three-dimensional structure. In the manufacturing method, the hydrophobicity may be provided to the external surface of the three-dimensional structure, a high cost device required in the conventional MEMS process is not used, the manufacturing cost is reduced, and the manufacturing process is simplified. In addition, it has been difficult to provide the hydrophobicity on an external surface of a three-dimensional structure having a large surface due to a spatial limitation, but in the exemplary embodiment of the present invention, the hydrophobicity may be provided to the external surface of the three-dimensional structure having a large surface, such as a torpedo, a submarine, a ship, and a vehicle, without the spatial limitation.Type: GrantFiled: March 12, 2008Date of Patent: March 12, 2013Assignee: Postech Academy-Industry FoundationInventors: Dong-Seob Kim, Sang-Min Lee, Woon-Bong Hwang, Kun-Hong Lee, Geun-Bae Lim, Joon-Won Kim, Dong-Hyun Kim, Hyun-Chul Park
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Patent number: 8372297Abstract: A method for fabricating a membrane is disclosed, to provide both hydrophilicity and hydrophobicity to predetermined positions of a surface of a single membrane. The method for fabricating a membrane includes: preparing a template with nano-scale holes formed on its outer surface; coating a polymer material on a predetermined pattern region of the outer surface of the template; attaching a hydrophilic film on the outer surface of the template; and removing the template from the hydrophilic film.Type: GrantFiled: March 12, 2009Date of Patent: February 12, 2013Assignee: Postech Academy-Industry FoundationInventors: Chang-woo Lee, Dong-seob Kim, Sun Wei, Woon-bong Hwang
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Patent number: 8257630Abstract: A method for fabricating a 3D (three-dimensional) structure such that the 3D structure has a surface with hydrophobicity by using a metal foil such as an aluminum foil is disclosed. The method includes preparing a metal foil base by attaching a metal foil on an outer surface of a predetermined-shaped 3D structure; anodizing the metal foil base; coating a polymer material on the outer surface of the metal foil base material to form a negative replica structure; forming an outer structure by covering an outer surface of the negative replica structure with an outer formation material; and removing the metal foil base.Type: GrantFiled: March 12, 2009Date of Patent: September 4, 2012Assignee: Postech Academy-Industry FoundationInventors: Dong-Seob Kim, Kun-Hong Lee, Woon-Bong Hwang, Geun-Bae Lim, Hyun-Chul Park, Byeong-Joo Lee, Sang-Min Lee, Joon-Won Kim
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Publication number: 20120216892Abstract: Disclosed is a safety valve of a low-pressure gas pipe which can be installed in a large-scale pipeline through which waste gases generated in a large-scale factory such as a steel mill flow and can reduce maintenance/management costs. The safety valve of a low-pressure gas pipe installed in a waste gas pipeline to discharge condensate includes: a first pipeline connected to a bottom surface of the waste gas pipeline and having a waste gas outlet on an inner wall thereof at one side thereof; a second pipeline extending from the first pipeline to be bent and extending in a direction parallel to the first pipeline; and an opening/closing unit for opening or closing the waste gas outlet.Type: ApplicationFiled: November 3, 2010Publication date: August 30, 2012Applicant: POSTECH ACADEMY-INDUSTRY FOUNDATIONInventors: Woon Bong Hwang, Jeong Hwa Seo, Wan Kyun Chung, Dong Seob KIM
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Patent number: 8241481Abstract: The present invention relates to a manufacturing method of a three dimensional structure having a hydrophobic inner surface. The manufacturing method includes anodizing a three dimensional metal member and forming fine holes on an external surface of the metal member, forming a replica by coating a non-wetting polymer material on the outer surface of the metal member and forming the non-wetting polymer material to be a replication structure corresponding to the fine holes of the metal member, forming an exterior by surrounding the replication structure with an exterior forming material, and etching the metal member and eliminating the metal member from the replication structure and the exterior forming material.Type: GrantFiled: March 12, 2008Date of Patent: August 14, 2012Assignee: Postech Academy-Industry FoundationInventors: Dong-Seob Kim, Dong-Hyun Kim, Woon-Bong Hwang, Hyun-Chul Park, Kun-Hong Lee, Geun-Bae Lim, Sang-Min Lee, Joon-Won Kim
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Publication number: 20120076596Abstract: A reversible cutting insert has an upper face, a lower face, a central axial hole and a plurality of side faces connecting the upper face and the lower faces, each of the side faces being convexed in the lateral direction. Round-shaped upper and lower cutting edges are formed at a border portion between the upper face and each of side faces and a border portion between the lower face and each of the side faces, respectively, each of the side faces having an axially dented portion formed between the upper cutting edge and the lower cutting edge, the axially dented portion extending in a widthwise direction and having a flat face perpendicular to the upper and lower faces. A tool assembly according to the present invention includes a tool holder on which a plurality of pockets are formed, and a plurality of cutting inserts, each of which is mounted in one of the pockets.Type: ApplicationFiled: December 2, 2011Publication date: March 29, 2012Applicant: TaeguTec, Ltd.Inventor: Dong Seob Kim
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Publication number: 20110042350Abstract: A method for fabricating a 3D (three-dimensional) structure is disclosed to provide hydrophobicity to a surface of a 3D structure by using a dipping method in which a predetermined-shaped structure is immersed in a molten metal solution. The method includes: immersing a predetermined-shaped structure in a molten metal solution to coat a molten metal material on the surface of the predetermined-shaped structure; anodizing a metal base coated with the molten metal material; coating a polymer material on an outer surface of the metal-coated base to form a negative replica structure; covering an outer surface of the negative replica structure with an outer formation material; and removing the metal-coated base from the negative replica structure and the outer formation material.Type: ApplicationFiled: March 12, 2009Publication date: February 24, 2011Inventors: Dong-Seob Kim, Kun-Hong Lee, Woon-Bong Hwang, Geun-Bae Lim, Hyun-Chul Park, Byeong-Joo Lee, Sang-Min Lee, Joon-Won Kim
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Publication number: 20110012285Abstract: A method for fabricating a 3D (three-dimensional) structure such that the 3D structure has a surface with hydrophobicity by using a metal foil such as an aluminum foil is disclosed. The method includes preparing a metal foil base by attaching a metal foil on an outer surface of a predetermined-shaped 3D structure; anodizing the metal foil base; coating a polymer material on the outer surface of the metal foil base material to form a negative replica structure; forming an outer structure by covering an outer surface of the negative replica structure with an outer formation material; and removing the metal foil base.Type: ApplicationFiled: March 12, 2009Publication date: January 20, 2011Inventors: Dong-Seob Kim, Kun-Hong Lee, Woon-Bong Hwang, Geun-Bae Lim, Hyun-Chul Park, Byeong-Joo Lee, Sang-Min Lee, Joon-Won Kim
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Publication number: 20110006036Abstract: A method for fabricating a membrane is disclosed, to provide both hydrophilicity and hydrophobicity to predetermined positions of a surface of a single membrane. The method for fabricating a membrane includes: preparing a template with nano-scale holes formed on its outer surface; coating a polymer material on a predetermined pattern region of the outer surface of the template; attaching a hydrophilic film on the outer surface of the template; and removing the template from the hydrophilic film.Type: ApplicationFiled: March 12, 2009Publication date: January 13, 2011Applicant: Postech Academy-Industry FoundationInventors: Chang-Woo Lee, Dong-Seob Kim, Sun Wei, Woon-Bong Hwang
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Publication number: 20100252525Abstract: The present invention relates to a three-dimensional structure manufacturing method for performing surface treatment processes, and a replication step to provide hydrophobicity on an external surface of the three-dimensional structure. In the manufacturing method, the hydrophobicity may be provided to the external surface of the three-dimensional structure, a high cost device required in the conventional MEMS process is not used, the manufacturing cost is reduced, and the manufacturing process is simplified. In addition, it has been difficult to provide the hydrophobicity on an external surface of a three-dimensional structure having a large surface due to a spatial limitation, but in the exemplary embodiment of the present invention, the hydrophobicity may be provided to the external surface of the three-dimensional structure having a large surface, such as a torpedo, a submarine, a ship, and a vehicle, without the spatial limitation.Type: ApplicationFiled: March 12, 2008Publication date: October 7, 2010Applicant: Postech Academy-Industry FoundationInventors: Dong-Seob Kim, Sang-Min Lee, Woon-Bong Hwang, Kun-Hong Lee, Geun-Bae Lim, Joon-Won Kim, Dong-Hyun Kim, Hyun-Chul Park