Patents by Inventor Sang-Eon Lee
Sang-Eon Lee 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: 12154633Abstract: An input/output circuit for a memory and a method of controlling the same are disclosed. The input/output circuit and the method of controlling the same are configured to prevent a memory element from being falsely or incorrectly programmed due to an ESD pulse. More particularly, the input/output circuit and the method of controlling the same include an ESD detection unit configured to detect a programming voltage or an ESD pulse on a pad terminal, a control logic unit configured to transmit a first voltage or a second voltage according to the programming voltage and the ESD pulse, and a switch unit configured to perform a turn-on or turn-off operation according to the first voltage or the second voltage.Type: GrantFiled: October 17, 2022Date of Patent: November 26, 2024Assignee: DB HiTek, Co., Ltd.Inventors: Sang Mok Lee, Joon Tae Jang, Seung Hoo Kim, Ji Eon Kim
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Publication number: 20240355544Abstract: A body including a dielectric layer and internal electrodes disposed alternately with the dielectric layer interposed therebetween; and external electrodes disposed on the body, wherein the dielectric layer includes a main component containing calcium (Ca), strontium (Sr), zirconium (Zr) and titanium (Ti) and a sub-component containing manganese (Mn), yttrium (Y) and silicon (Si), wherein the dielectric layer includes a plurality of dielectric grains and grain boundaries disposed between adjacent dielectric grains, and at least a portion of the plurality of dielectric grains has a core-shell structure, a content of yttrium (Y) included in a core relative to 100 moles of zirconium (Zr) included in the core and a shell is defined as Yc, a content of yttrium (Y) included in the shell relative to 100 moles of zirconium (Zr) included in the core and the shell is defined as Ys, and Ys/Yc>9 is satisfied.Type: ApplicationFiled: February 2, 2024Publication date: October 24, 2024Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Yong Jun LIM, Bae Soon SON, Sung Hyung KANG, Kyung Ho LEE, Se Na BAE, Hye Jin JIN, Sang Eon PARK
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Patent number: 11960804Abstract: A peridynamic method having an added mirroring node according to embodiments of the present invention includes: a first step of calculating a shape tensor of a first node; a second step of calculating force state vectors of the first node and each of a plurality of second nodes by using the shape tensor; and a third step of calculating a peridynamic motion equation of the first node by using the force state vectors. The first node is a node located on a boundary of a structure and has a predetermined size horizon region, the plurality of second nodes is nodes in the horizon region, the plurality of second nodes includes one or more third nodes, and the third node is a second node having no node at a point which is origin-symmetrical based on the first node among the plurality of second nodes. In the first step, the shape tensor is calculated by using a position value in which the third node is origin-symmetrical based on the first node.Type: GrantFiled: January 19, 2018Date of Patent: April 16, 2024Assignee: Korea Advanced Institute of Science And TechnologyInventors: Jung-Wuk Hong, Seong Eun Oh, Sang Eon Lee, Suyeong Jin
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Publication number: 20210073444Abstract: A peridynamic method having an added mirroring node according to embodiments of the present invention includes: a first step of calculating a shape tensor of a first node; a second step of calculating force state vectors of the first node and each of a plurality of second nodes by using the shape tensor; and a third step of calculating a peridynamic motion equation of the first node by using the force state vectors. The first node is a node located on a boundary of a structure and has a predetermined size horizon region, the plurality of second nodes is nodes in the horizon region, the plurality of second nodes includes one or more third nodes, and the third node is a second node having no node at a point which is origin-symmetrical based on the first node among the plurality of second nodes. In the first step, the shape tensor is calculated by using a position value in which the third node is origin-symmetrical based on the first node.Type: ApplicationFiled: January 19, 2018Publication date: March 11, 2021Applicant: Korea Advanced Institute of Science And TechnologyInventors: Jung-Wuk HONG, Seong Eun OH, Sang Eon LEE, Suyeong JIN
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Patent number: 10269338Abstract: A hard panel of wall and floor structures for reducing floor impact sound according to example embodiments includes patterned layer having different density and elastic modulus form a base layer. A transmission path of an acoustic wave may be changed in a lateral direction by passing the patterned layer and the sound energy is dissipated by the refection, refraction, and cancellation of the acoustic wave. Thus, a noise is reduced. The hard panel of the wall and floor structures according to example embodiments is effectively reduces the light and heavy impact sounds. In addition, the hard panel is formed by at least one patterned layer to refract and reflect the acoustic wave such that the floor noise may be effectively dissipated. The hard panel is further includes the sound absorbing material to absorb the noise passing through the hard panel such that the floor noise can be effectively reduced.Type: GrantFiled: July 21, 2015Date of Patent: April 23, 2019Assignee: Korea Advanced Institute of Science and TechnologyInventors: Jung-Wuk Hong, Seung-Jin Yang, Sang-Eon Lee
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Publication number: 20190022899Abstract: The present invention relates to a food packaging material for packing food, more particularly to a food packaging material having a uniform coating of oil, a method of manufacturing the same, and a mold for manufacturing the same. The food packaging material includes a plurality of grooves formed on one surface of the food packaging material; and an oil layer uniformly applied to the one surface of the food packaging material, being put into the grooves. According to the present invention, there are provided a food packaging material which continuously maintains a uniform coating of oil and thus minimizes sticking of contents to a surface of the packaging material, a method of manufacturing the same, and a mold for manufacturing the same.Type: ApplicationFiled: September 21, 2018Publication date: January 24, 2019Applicants: CJ CHEILJEDANG CORPORATION, KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Jin Hwan LEE, Kyoung Sik JO, Min Young PARK, Sang Eon LEE, Seung Seob LEE
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Patent number: 10105873Abstract: The present invention relates to a food packaging material for packing food, more particularly to a food packaging material having a uniform coating of oil, a method of manufacturing the same, and a mold for manufacturing the same. The food packaging material includes a plurality of grooves formed on one surface of the food packaging material; and an oil layer uniformly applied to the one surface of the food packaging material, being put into the grooves. According to the present invention, there are provided a food packaging material which continuously maintains a uniform coating of oil and thus minimizes sticking of contents to a surface of the packaging material, a method of manufacturing the same, and a mold for manufacturing the same.Type: GrantFiled: December 20, 2016Date of Patent: October 23, 2018Assignees: CJ CHEILJEDANG CORPORATION, KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Jin Hwan Lee, Kyoung Sik Jo, Min Young Park, Sang Eon Lee, Seung Seob Lee
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Patent number: 9951687Abstract: Disclosed herein is a gas turbine with a plurality of tie rods. The gas turbine includes a compressor section having a plurality of compressor-side rotor disks, a turbine section having a plurality of turbine-side rotor disks arranged downstream of the compressor-side rotor disks, a first tie rod penetrating central portions of the rotor disks provided in the compressor section to press the compressor-side rotor disks against each other, a plurality of second tie rods penetrating vicinities of edges of the rotor disks provided in the turbine section to press the turbine-side rotor disks against each other, and a torque transfer member coupled to the first and second tie rods so as to transfer rotational torque generated by the turbine section to the compressor section.Type: GrantFiled: July 14, 2015Date of Patent: April 24, 2018Assignee: Doosan Heavy Industries Construction Co., Ltd.Inventor: Sang Eon Lee
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Patent number: 9752505Abstract: A supporting device for a gas turbine includes a base frame; a fixing member installed on the base frame so as to support one end of a gas turbine; and an absorbing member installed on the base frame so as to support the other end of the gas turbine. The absorbing member having lower stiffness than the fixing member so as to deform in first and second directions when the gas turbine thermally expands.Type: GrantFiled: March 21, 2014Date of Patent: September 5, 2017Assignee: Doosan Heavy Industries & Construction Co., Ltd.Inventors: U Jin Roh, Sang Eon Lee, Kyung Kook Kim
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Publication number: 20170138042Abstract: A hard panel of wall and floor structures for reducing floor impact sound according to example embodiments includes patterned layer having different density and elastic modulus form a base layer. A transmission path of an acoustic wave may be changed in a lateral direction by passing the patterned layer and the sound energy is dissipated by the refection, refraction, and cancellation of the acoustic wave. Thus, a noise is reduced. The hard panel of the wall and floor structures according to example embodiments is effectively reduces the light and heavy impact sounds. In addition, the hard panel is formed by at least one patterned layer to refract and reflect the acoustic wave such that the floor noise may be effectively dissipated. The hard panel is further includes the sound absorbing material to absorb the noise passing through the hard panel such that the floor noise can be effectively reduced.Type: ApplicationFiled: July 21, 2015Publication date: May 18, 2017Applicant: Korea Advanced Institute of Science and TechnologyInventors: Jung-Wuk Hong, Seung-Jin Yang, Sang-Eon Lee
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Publication number: 20170101257Abstract: The present invention relates to a food packaging material for packing food, more particularly to a food packaging material having a uniform coating of oil, a method of manufacturing the same, and a mold for manufacturing the same. The food packaging material includes a plurality of grooves formed on one surface of the food packaging material; and an oil layer uniformly applied to the one surface of the food packaging material, being put into the grooves. According to the present invention, there are provided a food packaging material which continuously maintains a uniform coating of oil and thus minimizes sticking of contents to a surface of the packaging material, a method of manufacturing the same, and a mold for manufacturing the same.Type: ApplicationFiled: December 20, 2016Publication date: April 13, 2017Applicants: CJ CHEILJEDANG CORPORATION, KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Jin Hwan LEE, Kyoung Sik JO, Min Young PARK, Sang Eon LEE, Seung Seob LEE
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Patent number: 9555956Abstract: The present invention relates to a food packaging material for packing food, more particularly to a food packaging material having a uniform coating of oil, a method of manufacturing the same, and a mold for manufacturing the same. The food packaging material includes a plurality of grooves formed on one surface of the food packaging material; and an oil layer uniformly applied to the one surface of the food packaging material, being put into the grooves. According to the present invention, there are provided a food packaging material which continuously maintains a uniform coating of oil and thus minimizes sticking of contents to a surface of the packaging material, a method of manufacturing the same, and a mold for manufacturing the same.Type: GrantFiled: October 27, 2011Date of Patent: January 31, 2017Assignees: CJ CHEILJEDANG CORPORATION, KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Jin Hwan Lee, Kyoung Sik Jo, Min Young Park, Sang Eon Lee, Seung Seob Lee
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Patent number: 9441491Abstract: Disclosed are a shroud impeller of a centrifugal compressor and a method of manufacturing the same where the shroud impeller includes a rotary hub connected to a driving shaft, a plurality of blades radially provided about a rotational axis of the rotary hub, and an integral shroud bonded onto top ends of the blades.Type: GrantFiled: June 24, 2013Date of Patent: September 13, 2016Assignee: DOOSAN HEAVY INDUSTRIES & CONSTRUCTION CO., LTD.Inventors: Kyung Kook Kim, Sang Eon Lee
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Patent number: 9427923Abstract: Provided is an food packing material, manufacturing method and mold thereof having hydrophobicity including a number of columns formed in one side of food packing material. The disclosure may provide food packing material, manufacturing method and mold thereof in which an amount of contents off a wall of the food packing material may be minimized by hydrophobicity.Type: GrantFiled: August 31, 2011Date of Patent: August 30, 2016Assignees: CJ CHEILJEDANG CORPORATION, KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Jin Hwan Lee, Kyoung Sik Jo, Sang Wook Lee, Min Young Park, Sang Eon Lee, Kang Won Lee, Jin Ha Kim, Heon Kwang Lim, Seung Seob Lee
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Publication number: 20160146101Abstract: Disclosed herein is a gas turbine with a plurality of tie rods. The gas turbine includes a compressor section having a plurality of compressor-side rotor disks, a turbine section having a plurality of turbine-side rotor disks arranged downstream of the compressor-side rotor disks, a first tie rod penetrating central portions of the rotor disks provided in the compressor section to press the compressor-side rotor disks against each other, a plurality of second tie rods penetrating vicinities of edges of the rotor disks provided in the turbine section to press the turbine-side rotor disks against each other, and a torque transfer member coupled to the first and second tie rods so as to transfer rotational torque generated by the turbine section to the compressor section.Type: ApplicationFiled: July 14, 2015Publication date: May 26, 2016Inventor: Sang Eon LEE
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Publication number: 20140308132Abstract: Disclosed are a shroud impeller of a centrifugal compressor and a method of manufacturing the same where the shroud impeller includes a rotary hub connected to a driving shaft, a plurality of blades radially provided about a rotational axis of the rotary hub, and an integral shroud bonded onto top ends of the blades.Type: ApplicationFiled: June 24, 2013Publication date: October 16, 2014Inventors: Kyung Kook KIM, Sang Eon LEE
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Publication number: 20140283529Abstract: A supporting device for a gas turbine includes a base frame; a fixing member installed on the base frame so as to support one end of a gas turbine; and an absorbing member installed on the base frame so as to support the other end of the gas turbine. The absorbing member having lower stiffness than the fixing member so as to deform in first and second directions when the gas turbine thermally expands.Type: ApplicationFiled: March 21, 2014Publication date: September 25, 2014Applicant: Doosan Heavy Industries & Construction Co., Ltd.Inventors: U Jin ROH, Sang Eon LEE, Kyung Kook KIM
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Publication number: 20140234585Abstract: The present invention relates to a food packaging material for packing food, more particularly to a food packaging material having a uniform coating of oil, a method of manufacturing the same, and a mold for manufacturing the same. The food packaging material includes a plurality of grooves formed on one surface of the food packaging material; and an oil layer uniformly applied to the one surface of the food packaging material, being put into the grooves. According to the present invention, there are provided a food packaging material which continuously maintains a uniform coating of oil and thus minimizes sticking of contents to a surface of the packaging material, a method of manufacturing the same, and a mold for manufacturing the same.Type: ApplicationFiled: October 27, 2011Publication date: August 21, 2014Inventors: Jin Hwan Lee, Kyoung Sik Jo, Min Young Park, Sang Eon Lee, Seung Seob Lee
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Publication number: 20140183201Abstract: Provided is an food packing material, manufacturing method and mold thereof having hydrophobicity including a number of columns formed in one side of food packing material. The disclosure may provide food packing material, manufacturing method and mold thereof in which an amount of contents off a wall of the food packing material may be minimized by hydrophobicity.Type: ApplicationFiled: August 31, 2011Publication date: July 3, 2014Applicants: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY, CJ CHEILJEDANG CORPORATIONInventors: Jin Hwan Lee, Kyoung Sik Jo, Sang Wook Lee, Min Young Park, Sang Eon Lee, Kang Won Lee, Jin Ha Kim, Heon Kwang Lim, Seung Seob Lee
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Patent number: 7678751Abstract: Disclosed are a composition for removing photoresist, a method of removing photoresist and a method of manufacturing a semiconductor device using a composition. The composition may include a ketone compound and a first polar aprotic solvent. The composition may also include the ketone compound and a second polar aprotic solvent. Moreover, the composition may include the first polar aprotic solvent and a second polar aprotic solvent with or without the ketone compound. The first polar aprotic solvent has at least one of an ether compound and an ester compound, and the second polar aprotic solvent has at least one of a sulfur-containing compound and a nitrogen-containing compound.Type: GrantFiled: December 6, 2005Date of Patent: March 16, 2010Assignee: Samsung Electronics Co., Ltd.Inventors: Jung-Dae Park, Sang-Eon Lee, Sang-Mun Chon, Yang-Koo Lee, Dong-Chul Heo, Pil-Kwon Jun