Patents Assigned to Seoul National University R&DB Foundation
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Publication number: 20250149027Abstract: A method of processing speech includes: obtaining a speech input; obtaining an instruction related to the speech input; obtaining a speech representation corresponding to the speech input; obtaining an adapter that includes speech information by fusing a pre-trained adapter with the speech representation; and obtaining a response corresponding to the instruction by inputting both the adapter that includes the speech information and the instruction to a language model, the language model generating the response based on the adapter that includes the speech model and the speech information.Type: ApplicationFiled: October 1, 2024Publication date: May 8, 2025Applicants: Samsung Electronics Co., Ltd., Seoul National University R&DB FoundationInventors: Nam Soo KIM, Ji Won YOON
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Publication number: 20250137672Abstract: The present disclosure relates to an integrated control system for heat pump to optimize energy of solar power generation building, Including a computer comprising a processor and a memory within which a code for execution by the processor is stored, and the computer is configured to collect real-time data measured from at least any one of the heat pump of the solar power generation building, an external environment, a room and a photovoltaic power generation system, where interactions occur in a dynamic behavior of the heat pump; input the real-time data of before pre-set time into multiple dynamic behavior prediction models to derive an indoor air temperature prediction value, heat pump electricity consumption prediction value, and photovoltaic power generation prediction value, of after pre-set time; and search for an optimal control variable of the heat pump using the derived indoor air temperature prediction value, heat pump electricity consumption prediction value, and photovoltaic power generation predType: ApplicationFiled: October 25, 2024Publication date: May 1, 2025Applicant: Seoul National University R&DB FoundationInventors: Cheol-Soo Park, Seongkwon Cho, Jeeye Mun
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Patent number: 12287322Abstract: The present invention relates to a composition for detecting hydrogen sulfide or measuring a concentration of hydrogen sulfide, and a composition comprising same as an effective ingredient for diagnosing or imaging in vivo inflammation, tissues having hypoxic damage, or cancer.Type: GrantFiled: September 11, 2019Date of Patent: April 29, 2025Assignee: Seoul National University R&DB FoundationInventors: Jae Min Jeong, Young Ju Kim, Yun-Sang Lee, Ji Yong Park
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Patent number: 12277440Abstract: A scheduler, a method of operating the scheduler, and an accelerator apparatus including the scheduler are disclosed. A method of operating a scheduler to perform scheduling on models to be executed in an accelerator, the method includes receiving at least one execution request for a first model and a second model that are executed independently from each other in the accelerator, and performing layer-unit scheduling on the first model and the second model based on workload characteristics of the first model and the second model.Type: GrantFiled: February 8, 2021Date of Patent: April 15, 2025Assignees: Samsung Electronics Co., Ltd., Seoul National University R&DB FoundationInventors: Seung Wook Lee, Jae Wook Lee, Young Hwan Oh, Seng Hak Kim, Tae Jun Ham
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Patent number: 12266788Abstract: Provided are a cathode for a secondary battery, a manufacturing method therefor, and a lithium secondary battery comprising same, the cathode comprising: a cathode current collector; a first layer which is arranged on at least one surface of the cathode current collector and which comprises a first cathode active material; and a second layer which is arranged on the first layer and which comprises a second cathode active material, wherein the first cathode active material is represented by the following chemical formula 1, the second cathode active material is represented by the following chemical formula 1 or 2, and the first cathode active material and the second cathode active material are different from each other. LixNiyM1?yO2??<Chemical formula 1> Li?Co?M?1??O2??<Chemical formula 2> See the Detailed Description of the Invention for the definitions of x, y, a, p, M and M? in the formulas.Type: GrantFiled: May 21, 2020Date of Patent: April 1, 2025Assignees: Samsung SDI Co., Ltd., Seoul National University R&DB FoundationInventors: Dongho Son, Kisuk Kang, Kijun Kim, Jiwon Park
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Patent number: 12266789Abstract: The present disclosure relates to a positive electrode active material, a preparation method thereof, and a lithium-sulfur battery including the same, more particularly to a positive electrode active material including a particulate structure of a core-shell structure which comprises a core part and a shell part covering the whole surface or a part of the surface of the core part, wherein the core part comprises a sulfur compound, and the shell part comprises a polythiophene acetic acid-polyethylene glycol graft copolymer. The positive electrode active material of the present disclosure has excellent electrochemical reactivity and adsorbs lithium polysulfide to improve capacity and lifetime characteristics of the lithium-sulfur battery.Type: GrantFiled: August 4, 2021Date of Patent: April 1, 2025Assignees: LG Energy Solution, Ltd., Seoul National University R&DB FoundationInventors: Soohyun Kim, Jong-Chan Lee, Kihyun Kim, Kwonnam Sohn, Daun Jeong, Chan Yeong Koong
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Publication number: 20250105892Abstract: The present disclosure relates to a 5G communication system or a 6G communication system for supporting higher data rates beyond a 4G communication system such as long term evolution (LTE). A method and apparatus in the wireless communication system includes detecting at least one first object including at least one user equipment (UE), transmitting, to a second base station (BS), a first message including sensing information of the at least one first object, receiving, as response to the first message, from the second BS, a second message including sensing information of at least one second object, identifying the at least one UE based on the at least one first object and the at least one second object, estimating a location of the identified at least one UE, determining a beamforming vector based on the estimated location, and transmitting data, to the at least one UE, based on the determined beamforming vector.Type: ApplicationFiled: September 23, 2024Publication date: March 27, 2025Applicant: Seoul National University R&DB FoundationInventors: Changsung LEE, Byonghyo SHIM, Hyunsoo KIM, Yongsuk BYUN
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Publication number: 20250105826Abstract: A voltage mode relaxation oscillator includes a bandgap reference (BGR) circuit configured to generate a BGR voltage that does not depend on temperature and a BGR current that depends on temperature; a control voltage generating circuit configured to generate a control voltage that does not depend on temperature based on the BGR voltage; a reference current generating circuit configured to generate a reference current that does not depend on temperate based on the BGR current; and an oscillator circuit configured to generate a clock signal that does not depend on temperature based on the control voltage and the reference current.Type: ApplicationFiled: August 27, 2024Publication date: March 27, 2025Applicant: Seoul National University R&DB FoundationInventors: Jaekwang YUN, Suhwan KIM
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Publication number: 20250105848Abstract: A clock data recovery circuit including: a sampler to sample a comparison result between an input data signal and multiple reference voltages or to sample the input data signal based on a recovered clock signal; and a control circuit to output a control signal for controlling a phase of the recovered clock signal based on a K signal, an up signal, and a down signal.Type: ApplicationFiled: August 20, 2024Publication date: March 27, 2025Applicant: Seoul National University R&DB FoundationInventors: Wooseok CHOI, Jihee KIM
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Patent number: 12257587Abstract: A filter manufacturing method includes: folding a filter media up and down and forming a wrinkle shape composed of a plurality of bent parts and a connection part connecting adjacent bent parts among the plurality of bent parts; and forming a conductive coating layer pattern on the filter media. The filter manufacturing method further includes: electrically connecting a first end and a second end of the conductive coating layer pattern to a first power source. In particular, the conductive coating layer pattern includes a plurality of parallel patterns, and the plurality of parallel patterns are formed to be positioned on the connection part.Type: GrantFiled: April 4, 2024Date of Patent: March 25, 2025Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, Seoul National University R&DB FoundationInventors: Dong Ho Kwon, Gee Young Shin, Myung Hoe Kim, Seung Sik Han, Seung Hwan Ko, Sung Geun Han, Jin Mo Kim
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Patent number: 12254621Abstract: Disclosed is an operating method of an electronic device for manufacture of a semiconductor device. The method includes receiving, at the electronic device, a computer-aided design (CAD) image for a lithography process of the semiconductor device, and generating, at the electronic device, a first scanning electron microscope (SEM) image and a first segment (SEG) image from the CAD image by using a machine learning-based module, and the first SEG image includes information about a location of a defect.Type: GrantFiled: July 1, 2022Date of Patent: March 18, 2025Assignees: Samsung Electronics Co., Ltd., Seoul National University R&DB FoundationInventors: Do-Nyun Kim, Min-Cheol Kang, Kihyun Kim, Jaehoon Kim, Jaekyung Lim
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Publication number: 20250084031Abstract: Disclosed is a method of preparing biomass-derived adiponitrile including preparing adiponitrile by subjecting biomass-derived adipamide to dehydration using a catalyst in a medium. The catalyst is configured such that a metal oxide is supported on a carrier containing porous silica with a pore diameter in a range of 5 nm to 15 nm, and the metal is molybdenum, chromium, vanadium, or combinations thereof.Type: ApplicationFiled: November 28, 2023Publication date: March 13, 2025Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, Seoul National University R&DB FoundationInventors: Chaehwan Hong, Dongwon Yoo, Hyunwoo Choi, Gukhee Yim
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Publication number: 20250088156Abstract: An instrumentation amplifier includes an input chopping circuit configured to convert differential input voltages into differential chopping input voltages according to a chopping signal; a compensation voltage input circuit configured to generate differential compensation voltages according to differential compensation signals; a compensation chopping circuit configured to generated signals by performing chopping operation on the differential compensation voltages according to the chopping signal and to provide the signals to the compensation voltage input circuit; an amplifier circuit configured to generate differential output voltages from the differential chopping input voltages and the differential compensation voltages; a modulation circuit configured to modulate the differential output voltages; an output chopping circuit configured to generate a bitstream signal by converting phase of an output of the modulation circuit according to the chopping signal; and a filter circuit configured to filter the biType: ApplicationFiled: August 8, 2024Publication date: March 13, 2025Applicant: Seoul National University R&DB FoundationInventors: Junyoung PARK, Suhwan KIM
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Publication number: 20250068938Abstract: A processor-implemented method includes obtaining a benchmark execution result, receiving input data comprising a neural network model subject to prediction and analysis requirement information, receiving information on hardware of a device in which the neural network model is run, building a prediction model based on the benchmark execution result and the hardware information, extracting layer information respectively corresponding to a plurality of layers configuring the neural network model, and predicting either one or both of operation performance information and energy efficiency information respectively corresponding to the plurality of layers by inputting the analysis requirement information and the layer information to the prediction model.Type: ApplicationFiled: January 30, 2024Publication date: February 27, 2025Applicants: Samsung Electronics Co., Ltd., Seoul National University R&DB FoundationInventors: Minje KIM, Jaejin LEE, Dohun KIM, Jinpyo KIM, Soon-Wan KWON, Heehoon KIM, Daeyoung PARK
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Publication number: 20250062152Abstract: In a dicing film, an adhesive strength of an adhesive layer constituting the dicing film may sufficiently decrease after heat treatment, and a semiconductor die may be easily separated from the dicing film. Accordingly, the effect of improving pickup performance of the semiconductor die may be obtained.Type: ApplicationFiled: August 14, 2024Publication date: February 20, 2025Applicants: Samsung Electronics Co., Ltd., Seoul National University R&DB FoundationInventors: Hyungjun Kim, Cheol-Hee Ahn, Yooseon Hong
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Patent number: 12231269Abstract: Provided is an active user detection and channel estimation method of a base station in a wireless communication system based on grant-free uplink transmission. The method, according to one embodiment, comprises the steps of: receiving superimposed signals () from k active terminals; by using a first artificial neural network and using the received signals () as input, calculating, for all terminals in a cell of a base station, an estimated probability ({circumflex over (?)}) of each of the terminals being an active terminal; and estimating channels of the active terminals by using a second artificial neural network and using the received signals () and an active user detection result value as input.Type: GrantFiled: November 1, 2021Date of Patent: February 18, 2025Assignee: Seoul National University R&DB FoundationInventors: Byonghyo Shim, Yongjun Ahn
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Patent number: 12231544Abstract: A processor-implemented method with homomorphic encryption includes: receiving a first ciphertext corresponding to a first modulus; generating a second ciphertext corresponding to a second modulus by performing modulus raising on the first ciphertext; and performing bootstrapping by encoding the second ciphertext using a commutative property and an associative property of operations included in a rotation operation.Type: GrantFiled: November 28, 2023Date of Patent: February 18, 2025Assignees: SAMSUNG ELECTRONICS CO., LTD., Seoul National University R&DB Foundation, Industry Academic Cooperation Foundation, Chosun UniversityInventors: Jong-Seon No, Yongwoo Lee, Young-Sik Kim
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Publication number: 20250051732Abstract: The present invention relates to: an organ-on-a-chip for mimicking kidney tissue in which renal tubular epithelial cells and renal fibroblasts are co-cultured; a method for manufacturing the organ-on-a-chip; a device for co-culturing three types of cells; and a method for screening for renal fibrosis therapeutic agents by using the organ-on-a-chip. A kidney-on-a-chip according to one embodiment of the present invention has the excellent effects of enabling the time and errors required in screening for renal fibrosis therapeutic agents to be minimized and renal fibrosis therapeutic agents to be more conveniently and simply screened for through an objective evaluation index.Type: ApplicationFiled: April 12, 2022Publication date: February 13, 2025Applicants: Seoul National University Hospital, Seoul National University R&DB FoundationInventors: Sejoong Kim, Yun-Mi Lee, Seong-Hye Hwang, Noo Li Jeon, Jungeun Lim
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Patent number: 12217154Abstract: A neural network operation method includes: receiving an input vector sequence including a plurality of channels; performing a first convolution operation on a first input vector of the input vector sequence; and performing a second convolution operation on a second input vector of the input vector sequence that is adjacent to the first input vector in a channel direction.Type: GrantFiled: April 13, 2021Date of Patent: February 4, 2025Assignees: Samsung Electronics Co., Ltd., Seoul National University R&DB FoundationInventors: Xue Qian, Jin Hwan Park, Wonyong Sung
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Patent number: 12216495Abstract: The present invention relates to a customized stretchable wearable device and a manufacturing method therefor, enabling the manufacturing of a customized stretchable wearable device which fits the body characteristics of a wearing subject who is wearing the wearable device, thereby enabling good wear comfort and sense of operation, and also a beautiful exterior.Type: GrantFiled: October 23, 2019Date of Patent: February 4, 2025Assignee: Seoul National University R&DB FoundationInventors: Yongtaek Hong, Jaeyoung Yoon