Patents by Inventor Sang Il Kwak
Sang Il Kwak 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: 20240120276Abstract: A three-dimensional semiconductor integrated circuit device including an inter-die interface is provided. The device includes a top die including a plurality of micro cells provided on a top surface of the top die, a plurality of micro bumps provided on a bottom surface of the top die, and wiring patterns connecting the plurality of micro cells to the plurality of micro bumps; and a bottom die including a plurality of macro cells provided on a top surface thereof, wherein the plurality of macro cells are electrically connected to the plurality of micro bumps, respectively, wherein a size of a region in which the plurality of micro cells are provided is smaller than a size of a region in which the plurality of micro bumps are provided.Type: ApplicationFiled: July 27, 2023Publication date: April 11, 2024Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jae Seung CHOI, Byung-Su KIM, Bong Il PARK, Chang Seok KWAK, Sun Hee PARK, Sang Joon CHEON
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Publication number: 20240101369Abstract: An apparatus for supplying food ingredients according to the present disclosure includes a food ingredient lifting part configured to separate and move upward a food ingredient stack from a food ingredient cassette on which food ingredients including a plurality of stacked food ingredients are seated, a food ingredient separation part configured to suck and move upward a single sheet of a food ingredient from the food ingredient stack moved upward by the food ingredient lifting part, and a horizontal movement part configured to transfer forward the single sheet of the food ingredient moved upward by the food ingredient separation part.Type: ApplicationFiled: December 28, 2021Publication date: March 28, 2024Applicant: CJ CHEILJEDANG CORPORATIONInventors: Duk Jin CHANG, Min Soo LIM, Seung Yong KIM, Yong Ho JEON, Sang Oh KIM, Myoung Il KWAK, Jong Hwa LEE
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Publication number: 20240099354Abstract: A system for manufacturing edible food products according to the present disclosure includes a first food ingredient supply apparatus configured to separate a single sheet of a first food ingredient from a first food ingredient stack including a plurality of stacked first food ingredients and supply the single sheet of first food ingredient, a second food ingredient supply apparatus configured to separate a single sheet of a second food ingredient from a second food ingredient stack including a plurality of stacked second food ingredients and supply the single sheet of second food ingredient, and a pressing device configured to form an edible food product by pressing a semi-finished product formed by seating the supplied single sheet of the first food ingredient on the supplied single sheet of the second food ingredient.Type: ApplicationFiled: December 28, 2021Publication date: March 28, 2024Applicant: CJ CHEILJEDANG CORPORATIONInventors: Duk Jin CHANG, Min Soo LIM, Seung Yong KIM, Yong Ho JEON, Sang Oh KIM, Myoung Il KWAK, Jong Hwa LEE
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Publication number: 20240083059Abstract: A cutting apparatus according to the present disclosure includes a cutting roller including a cutting body having a cylindrical shape and configured to rotate about an axis defined in a leftward/rightward direction, and cutting blades protruding outward in a radial direction of the cutting body further than a surface of the cutting body to cut an edible food product provided in a forward/rearward direction, and a cutting base part disposed at a position facing the cutting roller based on the edible food product to support the edible food product to be cut by the cutting roller.Type: ApplicationFiled: December 28, 2021Publication date: March 14, 2024Applicants: CJ CHEILJEDANG CORPORATION, CJ SEAFOOD CORPORATION, GREEN TECHNOLOGY CO., LTD.Inventors: Duk Jin CHANG, Min Soo LIM, Seung Yong KIM, Yong Ho JEON, Sang Oh KIM, Myoung Il KWAK, Jong Hwa LEE
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Patent number: 10928432Abstract: Provided a reverberation chamber including a pair of a transmitting and receiving antenna and a reflection plate configured to reflect an electromagnetic wave output from the transmitting and receiving antenna to a working volume in a beam direction to improve a field uniformity of the working volume in the reverberation chamber and increase an applicability of the reverberation chamber.Type: GrantFiled: October 22, 2018Date of Patent: February 23, 2021Assignee: Electronics and Telecommunications Research InstituteInventors: Dong-Uk Sim, Sang il Kwak, Jong Hwa Kwon
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Patent number: 10598711Abstract: Disclosed is an electromagnetic wave reverberation chamber including a column-type mode stirrer including a plurality of plate-shaped electromagnetic wave reflectors connected by a metal column provided on a bottom of the electromagnetic wave reverberation chamber, a ceiling-type mode stirrer including a plurality of plate-shaped electromagnetic wave reflectors connected by a metal column provided on a wall surface of the electromagnetic wave reverberation chamber and disposed around a ceiling of the electromagnetic wave reverberation chamber, and a pyramidal mode stirrer including a plurality of pyramid-shaped electromagnetic wave reflectors and disposed on a wall surface of the electromagnetic wave reverberation chamber.Type: GrantFiled: September 27, 2017Date of Patent: March 24, 2020Assignee: Electronics and Telecommunications Research InstituteInventors: Dong-Uk Sim, Sang il Kwak, Jong Hwa Kwon
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Publication number: 20190339315Abstract: Provided a reverberation chamber including a pair of a transmitting and receiving antenna and a reflection plate configured to reflect an electromagnetic wave output from the transmitting and receiving antenna to a working volume in a beam direction to improve a field uniformity of the working volume in the reverberation chamber and increase an applicability of the reverberation chamber.Type: ApplicationFiled: October 22, 2018Publication date: November 7, 2019Applicant: Electronics and Telecommunications Research InstituteInventors: Dong-Uk SIM, Sang il KWAK, JONG HWA KWON
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Publication number: 20180231593Abstract: Disclosed is an electromagnetic wave reverberation chamber including a column-type mode stirrer including a plurality of plate-shaped electromagnetic wave reflectors connected by a metal column provided on a bottom of the electromagnetic wave reverberation chamber, a ceiling-type mode stirrer including a plurality of plate-shaped electromagnetic wave reflectors connected by a metal column provided on a wall surface of the electromagnetic wave reverberation chamber and disposed around a ceiling of the electromagnetic wave reverberation chamber, and a pyramidal mode stirrer including a plurality of pyramid-shaped electromagnetic wave reflectors and disposed on a wall surface of the electromagnetic wave reverberation chamber.Type: ApplicationFiled: September 27, 2017Publication date: August 16, 2018Applicant: Electronics and Telecommunications Research InstituteInventors: Dong-Uk SIM, Sang il KWAK, Jong Hwa KWON
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Patent number: 9960860Abstract: Provided is a cover accessory for a wireless communication device, including an electromagnetic suppressing pattern layer on a surface adjoining at least one surface on which an electromagnetic wave is irradiated from the wireless communication device, wherein the electromagnetic suppressing pattern layer includes a first dielectric layer and a frequency selective surface (FSS) pattern with a unit cell having electromagnetic surface resistance periodically repeated thereon, and the FSS pattern is provided by etching the first dielectric layer to inject an FSS pattern material or by printing the FSS pattern material on the first dielectric layer.Type: GrantFiled: February 16, 2016Date of Patent: May 1, 2018Assignee: Electronics and Telecommunications Research InstituteInventors: Dong-Uk Sim, Sang il Kwak, Jong Hwa Kwon
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Publication number: 20170317424Abstract: A structure of absorbing multi-band electromagnetic waves, having an effective function of absorbing electromagnetic waves while maintaining a precise alignment of two or more films includes a first dielectric portion, a first resistive pattern portion, a second dielectric portion, and a second resistive pattern portion. An apparatus and method for freely controlling an electromagnetic wave absorbance area, which has an effect of efficiently absorbing or reducing electromagnetic waves of various frequency bands, thereby leading to ease in maintenance and repair.Type: ApplicationFiled: August 22, 2016Publication date: November 2, 2017Inventors: Dong Uk SIM, Sang Il KWAK, Jong Hwa KWON
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Patent number: 9730369Abstract: Provided is a magnetic shielding sheet. The magnetic shielding sheet according to an embodiment of the inventive concept may include a magnetic sheet including a magnetic material, a plurality of first metal strips provided on the magnetic sheet in a first direction, and a plurality of second metal strips provided on the magnetic sheet in a second direction different from the first direction. According to the inventive concept, a magnetic field applied from the outside may be efficiently shielded by properly arranging the metal strips on the magnetic sheet.Type: GrantFiled: February 12, 2016Date of Patent: August 8, 2017Assignee: Electronics and Telecommunications Research InstituteInventors: Sang il Kwak, Jong Hwa Kwon, Hyun Ho Park
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Publication number: 20160241690Abstract: Provided is a cover accessory for a wireless communication device, including an electromagnetic suppressing pattern layer on a surface adjoining at least one surface on which an electromagnetic wave is irradiated from the wireless communication device, wherein the electromagnetic suppressing pattern layer includes a first dielectric layer and a frequency selective surface (FSS) pattern with a unit cell having electromagnetic surface resistance periodically repeated thereon, and the FSS pattern is provided by etching the first dielectric layer to inject an FSS pattern material or by printing the FSS pattern material on the first dielectric layer.Type: ApplicationFiled: February 16, 2016Publication date: August 18, 2016Inventors: Dong-Uk SIM, Sang il KWAK, JONG HWA KWON
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Publication number: 20160242332Abstract: Provided is a magnetic shielding sheet. The magnetic shielding sheet according to an embodiment of the inventive concept may include a magnetic sheet including a magnetic material, a plurality of first metal strips provided on the magnetic sheet in a first direction, and a plurality of second metal strips provided on the magnetic sheet in a second direction different from the first direction. According to the inventive concept, a magnetic field applied from the outside may be efficiently shielded by properly arranging the metal strips on the magnetic sheet.Type: ApplicationFiled: February 12, 2016Publication date: August 18, 2016Inventors: Sang il KWAK, JONG HWA KWON, Hyun Ho PARK
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Patent number: 8929842Abstract: An apparatus for use in a communication device with an antenna protects a body from electromagnetic fields. The apparatus includes a sensing unit to sense a surrounding environment of the communication device, a variable element to perform a variable operation according to a voltage or current applied thereto. The apparatus further includes a variable element control unit to control the voltage or current according to the surrounding environment sensed by the sensing unit to cause the variable element to perform the variable operation, and an intelligent periodic structure coupled with the variable element, the intelligent periodic structure being configured to change an operation frequency of the wireless communication device according to the variable operation of the variable element and adjust a radiation pattern direction of the antenna.Type: GrantFiled: September 5, 2012Date of Patent: January 6, 2015Assignee: Electronics and Telecommunications Research InstituteInventors: Sang il Kwak, Jong Hwa Kwon, Dong-Uk Sim
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Patent number: 8754813Abstract: An apparatus for protecting a human body from electromagnetic waves includes: a radiator including an antenna; and a periodic structure that is combined with the radiator to form a radiation unit and has a plurality of unit cells periodically arranged, wherein each of the unit cells of the periodic structure contains a ground layer; an electromagnetic bandgap (EBG) board formed on the ground layer and serving as a dielectric spacer; and an EBG pattern made of metal and formed on the EBG board.Type: GrantFiled: September 23, 2011Date of Patent: June 17, 2014Assignee: Electronics and Telecommunications Research InstituteInventor: Sang il Kwak
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Patent number: 8558120Abstract: A multilayer board for suppressing unwanted electromagnetic waves and noise includes: a power plane and a ground plane constituting a power distribution network; an electromagnetic wave suppression structure placed on the power plane or the ground plane; and a decoupling capacitor placed on the power plane or the ground plane, wherein the electromagnetic wave suppression structure and the decoupling capacitor are placed together.Type: GrantFiled: December 20, 2010Date of Patent: October 15, 2013Assignee: Electronics and Telecommunications Research InstituteInventors: Jong Hwa Kwon, Dong-Uk Sim, Sang Il Kwak
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Publication number: 20130059550Abstract: An apparatus for use in a communication device with an antenna protects a body from electromagnetic fields. The apparatus includes a sensing unit to sense a surrounding environment of the communication device, a variable element to perform a variable operation according to a voltage or current applied thereto. The apparatus further includes a variable element control unit to control the voltage or current according to the surrounding environment sensed by the sensing unit to cause the variable element to perform the variable operation, and an intelligent periodic structure coupled with the variable element, the intelligent periodic structure being configured to change an operation frequency of the wireless communication device according to the variable operation of the variable element and adjust a radiation pattern direction of the antenna.Type: ApplicationFiled: September 5, 2012Publication date: March 7, 2013Applicant: Electronics and Telecommunications Research InstituteInventors: Sang il KWAK, Jong Hwa KWON, Dong-Uk SIM
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Patent number: 8164506Abstract: An electromagnetic absorber using resistive material includes a ground plane of a conductive material; a dielectric layer formed on the ground plane; and a pattern layer in which specific unit cell patterns made of a resistive material are periodically arranged on the dielectric layer. The electromagnetic absorber is applied to an electronic toll collection system, a transportation device, a building structure, an electronic device and an anechoic chamber.Type: GrantFiled: August 12, 2009Date of Patent: April 24, 2012Assignee: Electronics and Telecommunications Research InstituteInventors: Dong-Uk Sim, Jong Hwa Kwon, Sang Il Kwak, Je Hoon Yun, Chang-Joo Kim
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Publication number: 20120075157Abstract: An apparatus for protecting a human body from electromagnetic waves includes: a radiator including an antenna; and a periodic structure that is combined with the radiator to form a radiation unit and has a plurality of unit cells periodically arranged, wherein each of the unit cells of the periodic structure contains a ground layer; an electromagnetic bandgap (EBG) board formed on the ground layer and serving as a dielectric spacer; and an EBG pattern made of metal and formed on the EBG board.Type: ApplicationFiled: September 23, 2011Publication date: March 29, 2012Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventor: Sang il KWAK
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Patent number: 8044862Abstract: An antenna system includes an antenna transmitting and receiving a signal; a power feeding line feeding electric power to the antenna; and a metal conductor ground electrically connected to the power feeding line. Further, the metal conductor ground includes an electromagnetic bandgap.Type: GrantFiled: December 17, 2008Date of Patent: October 25, 2011Assignee: Electronics and Telecommunications Research InstituteInventors: Dong-Uk Sim, Jong Hwa Kwon, Sang Il Kwak, Hyung Do Choi