Patents Assigned to Korea Advanced Institute of Science and Technology
  • Patent number: 10848130
    Abstract: A variable gain phase shifter includes an I/Q generator and a vector summation circuit. The I/Q generator generates phase signals based on an input signal. The vector summation circuit adjusts magnitudes and directions of first, second, third and fourth in-phase vectors and first, second, third and fourth quadrature vectors, and generates an output signal by summing the in-phase vectors and the quadrature vectors, based on the phase signals, selection signals and current control signals. The vector summation circuit includes first, second, third and fourth vector summation cells and first, second, third and fourth current control circuits. The first and second vector summation cells adjust the directions of the first and second in-phase vectors and the first and second quadrature vectors. The third and fourth vector summation cells adjust the directions of the third and fourth in-phase vectors and the third and fourth quadrature vectors.
    Type: Grant
    Filed: December 18, 2017
    Date of Patent: November 24, 2020
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Song-cheol Hong, Jin-seok Park, Seung-hun Wang, Seung-hoon Kang
  • Patent number: 10845359
    Abstract: The present invention relates to a method for analyzing the activation state of a signaling pathway in a cell or tissue separated from a subject through real time single molecule protein-protein interaction analysis, and a method for selecting a personalized medicine or predicting a therapeutic efficacy to a medicine using the same.
    Type: Grant
    Filed: October 30, 2014
    Date of Patent: November 24, 2020
    Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Tae-Young Yoon, Hong Won Lee
  • Patent number: 10847577
    Abstract: Provided is a memory- and logic device-integrated soft electronic system, the memory- and logic device-integrated soft electronic system including: a substrate 100; a plurality of bar-shaped first electrodes 110 stacked on the substrate; a resistance-variable material layer 120 coated on the lower electrode; and a plurality of bar-shaped second electrodes 130 stacked on the resistance-variable material layer 120, wherein the first electrode and the second electrode cross each other.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: November 24, 2020
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Sung Yool Choi, Byung Chui Jang
  • Patent number: 10848002
    Abstract: Disclosed are a microrobot propulsion apparatus based on wireless power transmission and a method of manufacturing the same. The microrobot propulsion apparatus according to one embodiment of the present disclosure may include a coil part for outputting a time-varying magnetic field or a static magnetic field applied to a microrobot including a coil for receiving power and a coil for an electromagnet, and a multipurpose inverter including a static magnetic field path portion allowing the coil part to output the static magnetic field and a time-varying magnetic field path portion allowing the coil part to output the time-varying magnetic field.
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: November 24, 2020
    Assignees: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY, UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
    Inventors: Seung Young Ahn, Bom Son Lee, Dong Wook Kim, Hong Kyun Kim, Jae Hyoung Park, Bum Jin Park, Ka Ram Hwang
  • Patent number: 10845877
    Abstract: An apparatus and a method of forming a localized vibration field are provided. The apparatus includes: a plate; a plurality of exciters disposed at a plurality of locations in neighborhood of circumference of the plate and configured to excite the plate; and a driving controller configured to vibrate the plurality of exciters by using a substantially same excitation frequency, wherein the plurality of exciters excite a local region of the plate and suppress vibrations of a rest of regions except the local region of the plate.
    Type: Grant
    Filed: April 27, 2016
    Date of Patent: November 24, 2020
    Assignees: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Sung-joo Kim, Jeong-guon Ih, Jong-bae Kim, Jung-han Woo
  • Publication number: 20200362208
    Abstract: The present disclosure relates to an adhesive composition including a polyvinyl alcohol and a water-soluble polyphenol compound, to an adhesive containing the composition, and to a manufacturing method therefor. The adhesive composition has a low or no toxicity, can adhere even without a curing process unlike a conventional adhesive, enables the manufacturing of a gel by hydrogen binding characteristics between the polyvinyl alcohol compound and the water-soluble polyphenol compound, and retains adhesive properties in water.
    Type: Application
    Filed: August 22, 2018
    Publication date: November 19, 2020
    Applicants: KOLON INDUSTRIES, INC., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Hong Gu HWANG, Ick Kyung SUNG, Du Hwan KIM, Jung Seok HAHN, Haeshin LEE, Dai Heon LEE
  • Publication number: 20200364512
    Abstract: A method and apparatus for exploring an environment with high efficiency based on metacognition may be configured to estimate an uncertainty value for a state space while exploring a first area in the state space, to determine a second area in the state space based on the uncertainty value and to explore the second area.
    Type: Application
    Filed: February 11, 2020
    Publication date: November 19, 2020
    Applicant: Korea Advanced Institute of Science and Technology
    Inventors: Sang Wan LEE, Su Jin AN
  • Patent number: 10839483
    Abstract: An image conversion method includes: dividing a low-resolution image to generate a plurality of low-resolution image patches having N (N being a natural number of 2 or greater) number of pixels; classifying the low-resolution image patches into a plurality of image categories; converting the low-resolution image patches by using a conversion kernel for each image patch corresponding to its image category among prestored conversion matrices, to generate high-resolution image patches having L (L being a natural number) number of pixels, which is less than the N number of pixels; and arranging the high-resolution image patches to generate a high-resolution image. According to the image conversion method, an operation amount can be reduced compared with a conventional technique, and thus the image conversion method can be implemented in hardware having low complexity. A high quality and high-resolution image can be generated regardless of characteristic information of an image signal.
    Type: Grant
    Filed: June 30, 2016
    Date of Patent: November 17, 2020
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Munchurl Kim, Jae Seok Choi
  • Patent number: 10837005
    Abstract: Disclosed are a recombinant microorganism capable of producing methyl anthranilate, wherein the recombinant microorganism is obtained by introducing an aamt1 gene into a microorganism having the capacity to produce anthranilic acid (ANT), and a method of producing methyl anthranilate using the same. The recombinant microorganism is capable of producing methyl anthranilate using only a purely biological process from renewable carbon-circulating biomass without chemical catalytic reaction, thus having an advantage of enabling mass production of high value-added methyl anthranilate in a very economical manner based on an environmentally friendly and simple production process.
    Type: Grant
    Filed: February 15, 2020
    Date of Patent: November 17, 2020
    Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Sang Yup Lee, Zi Wei Luo, Jae Sung Cho
  • Patent number: 10835758
    Abstract: Disclosed is an organic light-emitting device for light therapy for wound healing and cell proliferation, including: a substrate; an organic light-emitting device layer formed on the substrate and emitting red light; and a heat sink layer formed on the organic light-emitting device layer, which forms a red organic light-emitting device emitting red light in a stacking structure including a heat sink layer to generate light in a form of a planar light source which can be driven at a low temperature, thereby solving a problem of a burn and can perform light therapy through close contact with the skin.
    Type: Grant
    Filed: January 3, 2018
    Date of Patent: November 17, 2020
    Assignees: Korea Advanced Institute of Science and Technology, Seoul National University Bundang Hospital
    Inventors: Kyung Cheol Choi, Yong Min Jeon, Kyoung Chan Park, Hye Ryung Choi
  • Patent number: 10829744
    Abstract: Provided is a recombinant microorganism having enhanced cellulose synthase gene stability, a method of producing cellulose by using the recombinant microorganism, and a method of preparing the recombinant microorganism.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: November 10, 2020
    Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Hongsoon Rhee, Kijun Jeong, Jaehyung Lee, Jinhwan Park, Donghoon Hur
  • Patent number: 10832452
    Abstract: A magnetic resonance imaging method and a magnetic resonance imaging apparatus using a parallel image reconstruction are disclosed. Some embodiments provide a magnetic resonance imaging apparatus including a receiving coil configured to receive a magnetic resonance (MR) signal through a plurality of channels, and an image information acquisition unit configured to acquire k-space data for each channel by undersampling an MR signal received from the receiving coil, and to perform an inverse Fourier transform on the k-space data for each channel, to generate a hybrid-space for each channel, and an image processing unit configured to apply a parallel image reconstruction, while sliding a unitary window to channel-by-channel hybrid-space data, within an area corresponding to the unitary window, and thereby reconstruct missing data.
    Type: Grant
    Filed: April 21, 2017
    Date of Patent: November 10, 2020
    Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Hyun-wook Park, Hyun-seok Seo
  • Publication number: 20200350898
    Abstract: A low-jitter digital clock signal generating system which uses optical pulses output from a pulse laser includes a first balanced photodetector that converts first and second optical pulses with a delayed time interval into first and second electrical pulses through first and second photodiodes and outputs first and second modulated pulses generated by allowing the first and second electrical pulses to partially overlap each other, a second balanced photodetector that converts third and fourth optical pulses with the delayed time interval into third and fourth electrical pulses through third and fourth photodiodes, and outputs a second modulated pulse generated by allowing the third and fourth electrical pulses to partially overlap each other, and a capacitor. The capacitor is charged by the first modulated pulse, is discharged by the second modulated pulse, and outputs a voltage according to the charging and discharging as a clock signal.
    Type: Application
    Filed: February 26, 2020
    Publication date: November 5, 2020
    Applicants: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY, KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION, SEJONG CAMPUS
    Inventors: Jungwon Kim, Hayun Cecilla Chung, Minji Hyun, Yongjin Na
  • Publication number: 20200349677
    Abstract: An image processing apparatus obtains a first output image by applying an image to a first training network model, obtains a second output image by applying the image to a second training network model, and obtains a reconstructed image based on the first output image and the second output image. The first training network model is a model that uses a fixed parameter obtained through training of a plurality of sample images, the second training network model is trained to minimize a difference between a target image corresponding to the image and the reconstructed image.
    Type: Application
    Filed: April 30, 2020
    Publication date: November 5, 2020
    Applicants: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Hyunseung LEE, MunChurl KIM, Yongwoo KIM, Jae Seok CHOI, Youngsu MOON, Cheon LEE
  • Patent number: 10823906
    Abstract: Disclosed are a backlight unit for planar lighting apparatuses and a manufacturing method thereof. The backlight unit simplifies a layer structure to be formed into the shape of a vehicle interior trim part, and has a thin thickness and improved flexibility. The backlight unit includes a light emitting device configured to emit light; a light guide panel having polycarbonate and configured to disperse the light received from a light emitting device; a reflective sheet having fibers and provided below the light guide panel to reflect the light dispersed by the light guide panel; and an acrylic adhesive sheet interposed between the light guide panel and the reflective sheet. The reflective sheet includes pores.
    Type: Grant
    Filed: October 9, 2019
    Date of Patent: November 3, 2020
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Hong Chan Jeon, Hong Mo Koo, Mi Jung Yun, Dong Kyu Oh, Seul Ah Lee, Byoung Chul Park
  • Patent number: 10826265
    Abstract: A frequency stabilizer includes: a delay line interferometer that receives an optical signal corresponding to one frequency mode of a pulsed laser, divides and transmits the received optical signal to a reference arm and a delay arm including an optical fiber delay line, and then outputs an interference signal between signals passing through the reference arm and the delay arm; a photoelectric converter that converts the interference signal into an electrical signal; a mixer that generates a baseband signal of the electrical signal by mixing a carrier frequency signal; and a feedback controller that transmits a control signal generated based on the baseband signal to the pulsed laser. The optical signal passing through the delay arm is weighted with a delay time caused by the optical fiber delay line compared to the optical signal passing through the reference arm, and the optical signal passing through the delay arm is frequency shifted to a carrier frequency of an oscillator.
    Type: Grant
    Filed: September 17, 2019
    Date of Patent: November 3, 2020
    Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jungwon Kim, Dohyeon Kwon
  • Patent number: 10824373
    Abstract: The present invention relates to the architecture of a quantum RAM, a method for using classical data in quantum computing by inputting the classical data as quantum data, and a system and method of operating a quantum database using the architecture. Quantum computing can achieve an exponential speed-up in some applications using a large parallel process provided by a quantum database in which information can be superposed. The present invention proposes an efficient quantum database architecture and protocol that can record and search for classical information with a quantum circuit.
    Type: Grant
    Filed: May 15, 2019
    Date of Patent: November 3, 2020
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: June-Koo Rhee, Kyungdeock Park
  • Publication number: 20200341346
    Abstract: Provided are an optical device and a method of manufacturing the optical device including a lower electrode; an insulating layer provided on the lower electrode; upper electrodes provided on the insulating layer; and variable conductivity patterns provided to be adjacent to the upper electrodes, respectively, on the insulating layer. The upper electrodes include first and second electrodes that are alternately provided, a pitch between the first electrodes is identical to a pitch between the second electrodes, the second electrode is provided between the adjacent first electrodes, a distance between one of the adjacent first electrodes and the second electrode is a first length, a distance between another one of the adjacent first electrodes and the second electrode is a second length, and the second length differs from the first length.
    Type: Application
    Filed: November 18, 2019
    Publication date: October 29, 2020
    Applicant: Korea Advanced Institute of Science and Technology
    Inventors: Min Seok Jang, Sangjun Han, Shinho Kim
  • Publication number: 20200337640
    Abstract: In a method of manufacturing a biomimetic highly stretchable conductive dry adhesive patch, a mold including a plurality of holes is provided by etching a semiconductor substrate including an insulation layer based on a footing effect. A conductive polymer composite is provided by dispersing mixed conductive fillers in a liquid elastomer. The mixed conductive fillers are formed by mixing one-dimensional conductive fillers and two-dimensional conductive fillers. The conductive polymer composite is applied on the mold such that the conductive polymer composite is injected into the plurality of holes. A conductive dry adhesive structure including a plurality of micropillars corresponding to the plurality of holes is obtained by performing a post-treatment on the conductive polymer composite applied on the mold and by removing the mold. Each of the plurality of micropillars includes a body portion and a tip portion.
    Type: Application
    Filed: February 5, 2018
    Publication date: October 29, 2020
    Applicant: Korea Advanced Institute of Science and Technology
    Inventors: Seok-woo Jeon, Tae-Hoon Kim, Dong-hwi Cho, Junyong Park
  • Patent number: 10818440
    Abstract: The present disclosure relates to a pseudocapacitive conductive composite including conductive polymer chains formed on a graphene sheet, a composite for an electrode including sub-nanoscale particles of a metal oxide or metal sulfide formed on a graphene sheet, and an aqueous hybrid capacitor including the composites as electrode active materials.
    Type: Grant
    Filed: June 26, 2018
    Date of Patent: October 27, 2020
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Jeung Ku Kang, Il Woo Ock