Patents Assigned to National University of Sciences & Technology
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Publication number: 20210305610Abstract: An electrolyte including a mixture of hydroxynaphtoquinone and a precursor material thereof is provided. The electrolyte may achieve higher capacities.Type: ApplicationFiled: March 26, 2021Publication date: September 30, 2021Applicant: Foundation for Research and Business, Seoul National University of Science and TechnologyInventors: Yong Chai KWON, Won Mi LEE, Gyun Ho PARK
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Patent number: 11018349Abstract: The present invention relates to a non-platinum catalyst for an oxygen reduction electrode, in which iron nanoparticles are dispersed in nitrogen-doped mesoporous carbon nanofibers, and the surfaces of the iron nanoparticles are at least partially exposed to the outside. In addition, the present invention relates to a method for producing a non-platinum catalyst for an oxygen reduction electrode using electrospinning and hydrogen activation reactions.Type: GrantFiled: December 8, 2015Date of Patent: May 25, 2021Assignee: FOUNDATION FOR RESEARCH AND BUSINESS, SEOUL NATIONAL UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Hyo-Jin Ahn, Geon-Hyoung An, Eun-Hwan Lee, Kyung-Won Park, Jung-In Sohn
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Publication number: 20210147241Abstract: The present invention relates to an electrode active material, a method for manufacturing the same, and a lithium secondary battery comprising the same. A method for producing carbide using bean curd or waste bean curd according to an embodiment of the present invention comprises the steps of: drying bean curd or waste bean curd; thermally treating the dried bean curd or waste bean curd under an air atmosphere; and carbonizing the thermally treated bean curd or waste bean curd under an inert gas atmosphere.Type: ApplicationFiled: May 18, 2017Publication date: May 20, 2021Applicant: FOUNDATION FOR RESEARCH AND BUSINESS, SEOUL NATIONAL UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Hyo Jin AHN, Do Young LEE, Geon Hyoung AN
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Publication number: 20210118771Abstract: A method for manufacturing a semiconductor device package may comprise providing a semiconductor device, preparing a thermal interface layer on the semiconductor device, and disposing a heat spreader on the thermal interface layer, wherein the thermal interface layer comprises a core shell composite containing a metal core and a carbon shell surrounding the metal core.Type: ApplicationFiled: June 18, 2020Publication date: April 22, 2021Applicants: INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY ERICA CAMPUS, FOUNDATION FOR RESEARCH AND BUSINESS, SEOUL NATIONAL UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Sunyong Lee, Sarah Eunkyung Kim, Tae Hyeob Im
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Publication number: 20210120203Abstract: The present disclosure relates to a display apparatus including a display panel, a bezel surface formed on a boundary of the display panel, and an antenna located on the bezel surface, wherein the antenna includes an antenna body extending in a horizontal direction to the bezel surface, an extension body provided on one side or opposite sides of the antenna body, and a frequency variable device configured to selectively electrically connect the antenna body and the extension body.Type: ApplicationFiled: October 2, 2018Publication date: April 22, 2021Applicants: SAMSUNG ELECTRONICS CO., LTD., FOUNDATION FOR RESEARCH AND BUSINESS, SEOUL NATIONAL UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Gyo Nyun KIM, Chang Won JUNG, Jung-Jin KIM, Dong Hoon LEE
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Patent number: 10986342Abstract: Provided is a 360-degree image encoding apparatus and method, and a recording medium for performing the same function. The 360-degree image encoding apparatus divides an input image to be encoded into a plurality of regions in a vertical direction and encodes the divided regions while changing resolutions thereof so that all regions have the same resolution to maintain pixel continuity among the regions when a predictive image is generated and the regions have resolutions changed according to the degree of distortion of the regions when a residue image is encoded.Type: GrantFiled: November 23, 2017Date of Patent: April 20, 2021Assignees: Foundation for Research and Business, Seoul National University of Science and Technology, Industry-University Cooperation Foundation Korea Aerospace UniversityInventors: Heejune Ahn, Myeongjin Lee
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Patent number: 10944539Abstract: A backscatter communication method and apparatus based on pattern-based demodulation is disclosed. The backscatter communication method includes receiving a communication signal, and demodulating the communication signal based on a slope of the communication signal at an edge of each time interval.Type: GrantFiled: August 16, 2019Date of Patent: March 9, 2021Assignees: Electronics and Telecommunications Research Institute, Kwangwoon University Industry-Academic Collaboration Foundation, FOUNDATION FOR RESEARCH AND BUSINESS, SEOUL NATIONAL UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Byung Jang Jeong, Jae-Han Lim, Hwanwoong Hwang, Ji-Hoon Yun
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Patent number: 10911136Abstract: Disclosed are a communication method and communication apparatus using an ambient backscatter communication. A transmission apparatus may include generating a plurality of bitsets by fragmenting data based on a predetermined bitset length, mapping the plurality of bitsets to a plurality of switching patterns based on a data size, and controlling a reflection of a background radio frequency (RF) signal based on a corresponding mapped switching pattern, a total number of the plurality of switching patterns may be determined based on the bitset length, and each of the plurality of switching patterns may have a different length.Type: GrantFiled: November 28, 2018Date of Patent: February 2, 2021Assignees: Electronics and Telecommunications Research institute, FOUNDATION FOR RESEARCH AND BUSINESS, SEOUL NATIONAL UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Byung Jang Jeong, Woo Jin Byun, Ji-Hoon Yun, Jae-Han Lim, Wisnu Murti
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Patent number: 10869013Abstract: Provided is a method for creating a virtual reality content, storing the virtual reality content in a transmission buffer, and after that, managing the transmission buffer. A server creates the virtual reality content based on user's motion information, stores the virtual reality content in the transmission buffer and is allowed to modify the virtual reality content stored in the transmission buffer based on subsequently received user's motion information, so that the most recent user's motion information can be appropriately reflected in the virtual reality content. It is possible to provide a more immersive virtual reality service.Type: GrantFiled: July 18, 2019Date of Patent: December 15, 2020Assignee: FOUNDATION FOR RESEARCH AND BUSINESS, SEOUL NATIONAL UNIVERSITY OF SCIENCE AND TECHNOLOGYInventor: Ji Hoon Yun
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Patent number: 10843424Abstract: An injection molded lens, to which the hot runner according to an embodiment of the present invention includes: a primary sprue; a primary runner which has a central portion connected to the primary sprue and an extension portion extending radially from the central portion; a secondary sprue of which one end is connected to the extension portion of the primary runner; a secondary runner which has a top thereof connected to the other end of the secondary sprue, has an annular shape and a thin plate shape, and has a plurality of protrusions formed on an outer circumference thereof; a plurality of gates which are connected to ends of the plurality of protrusions of the secondary runner; and a plurality of cavities connected to the plurality of gates.Type: GrantFiled: December 1, 2016Date of Patent: November 24, 2020Assignee: FOUNDATION FOR RESEARCH AND BUSINESS, SEOUL NATIONAL UNIVERSITY OF SCIENCE AND TECHNOLOGYInventor: Keun Park
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Publication number: 20200325051Abstract: A wastewater treatment system may use recycle water to apply an anaerobic ammonium oxidation (ANAMMOX) process to a water treatment process (mainstream treatment process) and to stably supply nitrite required for an ANAMMOX. By applying the ANAMMOX process, nitrogen and phosphorus may be simultaneously treated in the water treatment process, and recycle water may be used as a source of nitrite for ANAMMOX, thereby reducing wastewater treatment costs and pollutant loading.Type: ApplicationFiled: May 29, 2018Publication date: October 15, 2020Applicant: Foundation for Research and Business, Seoul National University of Science and TechnologyInventor: Kyungik Gil
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Publication number: 20200282649Abstract: Disclosed are a 4D printing method using thermal anisotropy and thermal transformation, and the resulting product. The method includes (a) artificially planning transverse printing paths and longitudinal printing paths on a specimen to impose a thermal anisotropy to the specimen, (b) sequentially and alternately forming transversely printed layers and longitudinally printed layers on the specimen by printing a thermoplastic polymer in transverse and longitudinal directions to build a 3D printed product, (c) heating the 3D printed product so that the 3D printed product thermally transforms in a specific direction, and (d) controlling heating time to obtain a 4D printed product having a desired final shape which is formed through the transformation of the 3D printed product over the heating time.Type: ApplicationFiled: July 31, 2019Publication date: September 10, 2020Applicant: Foundation For Research and Business, Seoul National University of Science and TechnologyInventors: Keun Park, Bona Goo
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Publication number: 20200277681Abstract: A steel bar having yield strength of 700 MPa class, excellent yield ratio, and excellent uniform elongation property is provided. The steel bar includes bainite and ferrite included in a center of the steel bar and bainite accounts for 20 to 80% by volume.Type: ApplicationFiled: November 23, 2018Publication date: September 3, 2020Applicants: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION, FOUNDATION FOR RESEARCH AND BUSINESS, SEOUL NATIONAL UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Joonho LEE, Sangchul SHIM, Byoungchul HWANG, Taeun HONG, Sangin LEE
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Patent number: 10714361Abstract: A method of fabricating semiconductor packages includes forming an insulating polymer layer on a substrate to cover a plurality of conductive patterns on the substrate, planarizing the insulating polymer layer by pressing the insulating polymer layer downward by using at least one pressure member, and patterning the planarized insulating polymer layer to expose at least parts of the plurality of conductive patterns.Type: GrantFiled: February 21, 2019Date of Patent: July 14, 2020Assignee: FOUNDATION FOR RESEARCH AND BUSINESS, SEOUL NATIONAL UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Sung Dong Kim, Ju Hwan Jung
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Publication number: 20200220707Abstract: A backscatter communication method and apparatus based on pattern-based demodulation is disclosed. The backscatter communication method includes receiving a communication signal, and demodulating the communication signal based on a slope of the communication signal at an edge of each time interval.Type: ApplicationFiled: August 16, 2019Publication date: July 9, 2020Applicants: Electronics and Telecommunications Research Institute, Kwangwoon University Industry-Academic Collaboration Foundation, FOUNDATION FOR RESEARCH AND BUSINESS, SEOUL NATIONAL UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Byung Jang JEONG, Jae-Han LIM, Hwanwoong HWANG, Ji-Hoon YUN
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Patent number: 10681272Abstract: A device for providing a realistic media content, includes: inward facing image acquisition unit configured to acquire multiple inward facing images that are taken by an inward method using multiple cameras arranged around an object; an outward facing image acquisition unit configured to acquire multiple outward facing images that are taken by an outward method using the multiple cameras arranged around a point; a background image generation unit configured to generate a 360° cylindrical image by stitching the multiple outward facing images and then convert the 360° cylindrical image into a 360° spherical image to generate a background image; a 3D object reconstruction unit configured to extract a region of the object from the multiple inward facing images to generate a 3D object; and a combined image transmission unit configured to combine the background image with the 3D object and transmit the combined image to a display device.Type: GrantFiled: June 3, 2019Date of Patent: June 9, 2020Assignee: FOUNDATION FOR RESEARCH AND BUSINESS, SEOUL NATIONAL UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Ji Hee Yang, So Yeon Jeon, Young Ae Kim, Ji Hye Jeon, Goo Man Park
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Publication number: 20200162712Abstract: Provided is a method for creating a virtual reality content, storing the virtual reality content in a transmission buffer, and after that, managing the transmission buffer. A server creates the virtual reality content based on user's motion information, stores the virtual reality content in the transmission buffer and is allowed to modify the virtual reality content stored in the transmission buffer based on subsequently received user's motion information, so that the most recent user's motion information can be appropriately reflected in the virtual reality content. It is possible to provide a more immersive virtual reality service.Type: ApplicationFiled: July 18, 2019Publication date: May 21, 2020Applicant: FOUNDATION FOR RESEARCH AND BUSINESS, SEOUL NATIONAL UNIVERSITY OF SCIENCE AND TECHNOLOGYInventor: Ji Hoon YUN
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Patent number: 10659947Abstract: An apparatus for transmitting shelter location information is disclosed. The apparatus for transmitting shelter location information according to an embodiment of the present disclosure includes a wake-up information checking unit that checks a value of a wake-up indicator provided in a head of a data file to determine whether a disaster has occurred; and a shelter location information insertion unit inserting the shelter location information into an advanced emergency alert table (AEAT), as it is confirmed by the wake-up information checking unit that a disaster has occurred.Type: GrantFiled: November 12, 2019Date of Patent: May 19, 2020Assignees: Electronics and Telecommunications Research Institute, FOUNDATION FOR RESEARCH AND BUSINESS, SEOUL NATIONAL UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Sung Hoon Kim, Byung Jun Bae, Dong Ho Kim, Bong Seok Seo, Chang Jong Hyun, Eun Yeong Jeong
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Patent number: 10658930Abstract: The present technique discloses a buck-boost converter. According to a detailed example of the present invention, a number of switching elements of a buck-boost converter is reduced compared with a conventional buck-boost converter, and thereby a buck mode and a boost mode are performed with reduced overall conduction loss and switching loss. In addition, a buck-boost converter that is capable of stepping up and down an input voltage over a wide range using a single control device, that has a simple structure, that has inexpensive manufacturing costs, and that has a high circuit integration density can be realized by configuring the buck-boost converter to connect a two-phase interleaving boost converter unit to a single-phase buck converter unit.Type: GrantFiled: June 9, 2017Date of Patent: May 19, 2020Assignees: DESTINPOWER INC., Foundation for Research and Business, Seoul National University of Science and TechnologyInventors: Sewan Choi, Seongjin Oh, Yeonwoo Kim, Daeki Yang, Minho Kwon, Sehyung Jung, Byeonggill Han, Minjae Kim, Minkook Kim
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Publication number: 20200154257Abstract: An apparatus for transmitting shelter location information is disclosed. The apparatus for transmitting shelter location information according to an embodiment of the present disclosure includes a wake-up information checking unit that checks a value of a wake-up indicator provided in a head of a data file to determine whether a disaster has occurred; and a shelter location information insertion unit inserting the shelter location information into an advanced emergency alert table (AEAT), as it is confirmed by the wake-up information checking unit that a disaster has occurred.Type: ApplicationFiled: November 12, 2019Publication date: May 14, 2020Applicants: Electronics and Telecommunications Research Institute, FOUNDATION FOR RESEARCH AND BUSINESS, SEOUL NATIONAL UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Sung Hoon KIM, Byung Jun BAE, Dong Ho KIM, Bong Seok SEO, Chang Jong HYUN, Eun Yeong JEONG