Patents Assigned to KOREA UNIVERSITY RESEARCH AND
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Publication number: 20250251661Abstract: Provided are a resist composition for photolithography and a method for manufacturing a semiconductor device using the same. The method for manufacturing a semiconductor device includes forming a photoresist film on a substrate, performing a first exposure process and a development process on the photoresist film to form photoresist patterns, and performing a second exposure process on the photoresist patterns. The photoresist film includes a polymer containing a repeating unit having an azobenzene group or a metal oxide nanocluster having an azobenzene group. The performing of the second exposure process includes controlling an orientation of the azobenzene group within the photoresist patterns according to a polarization direction of incident light.Type: ApplicationFiled: January 31, 2025Publication date: August 7, 2025Applicant: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATIONInventors: Seungwoo LEE, Minsang KIM, Doyeon NOH, Kyeongsoo KIM, Kwangjin KIM
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Publication number: 20250236826Abstract: The present invention relates to a microfluidic chip, which includes cell inlets into which a fluid containing cells is injected, and a cell channel connected thereto; and extra cellular matrix (ECM) inlets into which a fluid containing an ECM component is injected, and an ECM channel connected thereto, wherein the cell channel is located adjacent to a part of one side of the ECM channel, and a micro barrier with a lower height than these channels is located between them and formed by arranging a plurality of concave patterns, curved in the direction of the ECM channel, at regular intervals. The present invention also relates to a method of forming a spheroid or organoid in vitro model using the same.Type: ApplicationFiled: December 30, 2024Publication date: July 24, 2025Applicant: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATIONInventors: Seok CHUNG, Seok-Hyeon KANG, Jin-A KIM, Jin-Chul AHN, Hyun-Jun BAE, Dain LEE
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Patent number: 12369485Abstract: A display apparatus includes: an insulating layer; and a conductive pattern arranged on the insulating layer and including a first layer and a second layer, where the first layer includes at least one selected from indium (In), stannum (Sn) and oxygen (O), the second layer includes silver (Ag), and a lateral surface of the conductive pattern defining an edge portion of the conductive pattern includes silver chloride (AgClx).Type: GrantFiled: December 23, 2021Date of Patent: July 22, 2025Assignees: SAMSUNG DISPLAY CO., LTD., KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION, SEJONG CAMPUSInventors: Sanggab Kim, Munpyo Hong, Taesung Kim, Howon Yoon, Hyunmin Cho, Seongyong Kwon
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Publication number: 20250224836Abstract: A touch driver includes: a plurality of current conveyors connected to a plurality of touch electrodes, the plurality of current conveyor circuits configured to (i) receive a plurality of first currents from the plurality of touch electrodes, and (ii) generate a plurality of second currents having opposite directions to the plurality of first currents; a common current subtractor circuit configured to (i) receive the plurality of first currents and the plurality of second currents from the plurality of current conveyor circuits, and (ii) generate a plurality of output currents that are a sum of (a) a mean current of the plurality of second currents and (b) the plurality of first currents; a plurality of integrator circuits configured to generate a plurality of output voltages by integrating the plurality of output currents; and an analog-to-digital converter configured to convert the plurality of output voltages into digital signals corresponding to touch data.Type: ApplicationFiled: October 29, 2024Publication date: July 10, 2025Applicants: SAMSUNG ELECTRONICS CO., LTD., KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATIONInventors: Jun Yeol AN, Yoon-Kyung CHOI, Seung Hun CHOI, Hyung-Min LEE
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Publication number: 20250221099Abstract: A micro semiconductor chip includes a semiconductor multilayer and at least one electrode on at least one surface of the semiconductor multilayer, wherein the semiconductor multilayer may have a polygonal planar shape and rounded corners.Type: ApplicationFiled: December 27, 2024Publication date: July 3, 2025Applicants: SAMSUNG ELECTRONICS CO., LTD., KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATIONInventors: Kyungwook HWANG, Inyeong Kang, Gunwoo Noh, Soyeon Park, Youngtek Oh, Junsik Hwang
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Publication number: 20250215001Abstract: The present disclosure relates to a novel method for preparing rucaparib capable of achieving excellent synthesis yield and reproducibility. In particular, the present disclosure relates to a novel preparation method for synthesizing rucaparib by first synthesizing an indole skeleton to which substituents are introduced to positions 2, 3, 4 and 6, and then performing a heptagonal lactam ring formation reaction between the substituents introduced to positions 3 and 4, and a novel intermediate that may be used in preparation thereof.Type: ApplicationFiled: July 28, 2022Publication date: July 3, 2025Applicant: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATIONInventors: Cheol-Hong CHEON, Jinjae PARK
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Publication number: 20250214952Abstract: The present invention relates to a novel manufacturing method for tafamidis with excellent synthesis yield and cost-effectiveness. More specifically, the invention involves synthesizing tafamidis with a benzoxazole backbone by reacting 4-amino-3-hydroxybenzoic acid and 3,5-dichlorobenzaldehyde to form an imine, followed by oxidation cyclization using a cyanide anion-containing catalyst under basic conditions in air. This method excludes the use of additional oxidizing agents such as conventional metal catalysts and/or high concentrations of oxygen, while minimizing separation processes, resulting in a novel synthesis method for tafamidis with excellent synthesis yields.Type: ApplicationFiled: March 2, 2023Publication date: July 3, 2025Applicant: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATIONInventors: Cheol-Hong CHEON, Jinjae PARK, Jong Mu KIM
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Patent number: 12345883Abstract: Provided is an augmented reality display with a thin optical combiner, and the augmented reality display with a thin optical combiner provided to have an overall shape wearable by a user includes an optical combiner part provided in the form of a lens located in front of a user's eyes to receive a virtual image light wave and combine an external scene and a virtual image, wherein the optical combiner part includes a plurality of glass substrates, and a polarization-dependent lens inserted obliquely in a diagonal direction between the plurality of glass substrates to transmit optically modulated virtual image light waves in a direction toward the eyes.Type: GrantFiled: January 27, 2021Date of Patent: July 1, 2025Assignees: KYUNGPOOK NATIONAL UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION, KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION, SEJONG CAMPUSInventors: Joon Ku Hahn, Hwi Kim, Young Jin Jeon, Sang Yoon Kim, Ho Sung Jeon
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Publication number: 20250211235Abstract: The present disclosure relates to a universal logic memory block using a plurality of universal logic memory cells. The universal logic memory block according to one embodiment of the present disclosure may implement various combinational logical operations in a single structure by combining logical operation results from a plurality of universal logic memory cells using triple-gate silicon devices driven by a positive feedback loop.Type: ApplicationFiled: November 14, 2024Publication date: June 26, 2025Applicant: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATIONInventors: Sang Sig KIM, Kyoung Ah CHO, Jong Seong HAN, Jae Min SON, Ju Hee JEON, Yun Woo SHIN
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Publication number: 20250211236Abstract: The present disclosure relates to a universal logic memory cell composed of triple-gate silicon devices. The universal logic memory cell according to one embodiment of the present disclosure may perform a ternary logic operation function and a memory function using triple-gate silicon devices driven by a positive feedback loop.Type: ApplicationFiled: November 14, 2024Publication date: June 26, 2025Applicant: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATIONInventors: Sang Sig KIM, Kyoung Ah CHO, Jong Seong HAN, Jae Min SON, Ju Hee JEON, Yun Woo SHIN
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Publication number: 20250206620Abstract: The present invention discloses a preparation method of activated carbon derived from waste PET plastic with improved yield using self-pressurized pyrolysis and a carbon dioxide adsorbent prepared thereby. According to the present invention, a preparation method of activated carbon comprising the steps of cutting waste PET plastic into pieces of a predetermined size or smaller; charging the cut pieces into an autoclave reactor; carbonizing the pieces through a self-pressurized pyrolysis reaction by heating the autoclave reactor to a preset carbonization temperature under a nitrogen atmosphere; dry mixing the pyrolytic carbon solid obtained by carbonization with KOH; and subjecting the mixture to a thermochemical reaction at a preset activation temperature for a preset time is provided.Type: ApplicationFiled: June 7, 2024Publication date: June 26, 2025Applicant: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATIONInventors: Ki Bong LEE, Moon Kyung CHO, Shuangjun LI
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Publication number: 20250206750Abstract: The present disclosure relates to a novel method for preparing rucaparib capable of achieving excellent synthesis yield and reproducibility. In particular, the present disclosure relates to a novel preparation method for synthesizing rucaparib by first synthesizing an indole skeleton to which substituents are introduced to positions 2, 3, 4 and 6, and then performing a heptagonal lactam ring formation reaction between the substituents introduced to positions 3 and 4, and a novel intermediate that may be used in preparation thereof.Type: ApplicationFiled: July 28, 2022Publication date: June 26, 2025Applicant: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATIONInventors: Cheol-Hong CHEON, Jinjae PARK
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Patent number: 12340019Abstract: Disclosed is an apparatus for performance improvement in multimodal communication according to one embodiment of the present invention.Type: GrantFiled: November 30, 2023Date of Patent: June 24, 2025Assignee: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATIONInventors: Seong Whan Lee, Ji Won Lee, Seo Hyun Lee, Soowon Kim, Jung Sun Lee
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Publication number: 20250199763Abstract: A method of converting a floating-point value into a block floating-point value includes obtaining floating-point values, determining, as a shared exponent, an exponent of at least one first floating-point value having a maximum exponent, from among the floating-point values, storing an index of the at least one first floating-point value in a memory, right-shifting an implicit bit and explicit bits of a mantissa of at least one second floating-point value not having the maximum exponent, from among the floating-point values, by as much as a difference between the shared exponent and an exponent of the at least one second floating-point value, and storing, in the memory, block floating-point values including a sign and a mantissa of the at least one first floating-point value, a sign and the mantissa of the at least one second floating-point value, and the shared exponent.Type: ApplicationFiled: March 4, 2024Publication date: June 19, 2025Applicant: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATIONInventors: Jae Ha KUNG, Seunghyun LEE
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Patent number: 12334823Abstract: A DC-DC buck converter for generating an output voltage by stepping down an input voltage includes a converting circuit including a plurality of transistors, a first capacitor, a second capacitor, and an inductor, the converting circuit being configured to form a current path that varies according to a plurality of modes and a plurality of phases; and a control circuit configured to: determine a mode of the converting circuit, from among the plurality of modes, according to a first amplitude of the input voltage and a second amplitude of the output voltage, and determine an ON/OFF state of each transistor of the plurality of transistors according to the determined mode and a phase from among the plurality of phases.Type: GrantFiled: May 31, 2022Date of Patent: June 17, 2025Assignees: SAMSUNG ELECTRONICS CO., LTD., KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATIONInventors: Sungmin Yoo, Hyungmin Lee, Woojoong Jung, Taehwang Kong, Junhyeok Yang, Yunho Lee
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Patent number: 12334184Abstract: Disclosed are a bus inversion encoder module that utilizes future data in a data bus including a serializer with minimum latency and high transition reduction efficiency by comparing current data with both past data and the future data and encoding the current data, and a bus inversion system including the same. The bus inversion encoder module uses current data, past data, and future data transmitted through a bus and each including a plurality of bits, determines whether to invert the current data, and generates a current flag and coded current data by using whether to invert, an output flag, and the current data. The output flag is generated by summing the current flag and the coded current data and serially converting the current flag and the coded current data.Type: GrantFiled: May 16, 2023Date of Patent: June 17, 2025Assignees: SK hynix Inc., KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATIONInventors: Jong Sun Park, Seong Yoon Kang, Jun Il Moon, Myeong Jae Park, Byung Kuk Yoon
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Patent number: 12329583Abstract: The present invention relates to: a method for providing information for choosing a breast cancer treatment method by using a breast cancer ultrasonic image and gene information; a system for choosing a breast cancer treatment method by using a breast cancer ultrasonic image; and a method for providing information required for predicting the prognosis of a breast cancer patient.Type: GrantFiled: September 18, 2020Date of Patent: June 17, 2025Assignees: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION, CHA UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATIONInventors: Bo Kyoung Seo, Mi-Ryung Han, Ah Young Park
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Patent number: 12332186Abstract: A semiconductor wafer inspection method is provided. The semiconductor wafer inspection method includes: providing a wafer with target and reference dies; obtaining a candidate image of a first region of the target die and a reference image of a second region of the reference die; performing an imaging process on the candidate image to obtain a high resolution candidate image including sub-pixels for each pixel of the candidate image; performing the imaging process on the reference image to obtain a high resolution reference image including sub-pixels for each pixel of the candidate image; shifting the high resolution reference image in units of the sub-pixels; obtaining a difference image based on a difference between the high resolution candidate image and the high resolution reference image; and detecting whether a defect signal generated based on the difference image exceeds a threshold value.Type: GrantFiled: June 9, 2022Date of Patent: June 17, 2025Assignees: SAMSUNG ELECTRONICS CO., LTD., KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATIONInventors: Q-Han Park, Sung Yoon Ryu, Seunghyeok Son, Sujin Lee, Chan Gi Jeon, Su-Hyun Gong, DongGun Lee, Younghoon Sohn
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Publication number: 20250176831Abstract: A magnetic resonance imaging (MRI)-based alternating magnetic field (AMF) treatment system according to one embodiment of the technical idea of the present invention comprises an MRI device including an MRI coil system, and is configured to generate an AMF by applying an alternating current to the MRI coil system in the MRI device.Type: ApplicationFiled: February 13, 2025Publication date: June 5, 2025Applicants: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION, BRAIN & BEYONDS CO., LTD., KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION, GACHON UNIVERSITY OF INDUSTRY-ACADEMIC COOPERATION FOUNDATIONInventors: Sun Ha PAEK, Zang Hee CHO, Young Don SON, Dae Hyuk KWON, Soon Beom PARK
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Publication number: 20250175279Abstract: An encoder using local pre-transformation is provided. According to an embodiment, the encoder may include a bit splitting unit configured to generate a specific information signal and remaining information signals by splitting an input signal, a pre-transform unit configured to generate connection signals by performing, in parallel, local pre-transformation, based on each of the remaining information signals, and a polar transform unit configured to generate an output signal by performing polar transformation, based on the specific information signal and the connection signals.Type: ApplicationFiled: November 29, 2024Publication date: May 29, 2025Applicant: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATIONInventors: Nam Yoon LEE, Geon Choi