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公开(公告)号：US12277676B2
公开(公告)日：2025-04-15
申请号：US17770993
申请日：2020-11-11
Inventor： Seung Yong Lee , Sung Hyun Cho , Hyeong Seok Son
IPC: G06K9/00 , G06N3/045 , G06N3/0455 , G06N3/0464 , G06N3/0475 , G06N3/08 , G06N3/088 , G06T3/4046 , G06T5/00 , G06T5/50 , G06T5/60 , G06T5/90 , G06V10/44 , G06V10/778 , G06V10/82 , G06V10/98 , G06N3/09
Abstract: An image processing method and apparatus based on machine learning are disclosed. The image processing method based on machine learning, according to the present invention, may comprise the steps of: generating a first corrected image by inputting an input image to a first convolution neural network; generating an intermediate image on the basis of the input image; performing machine learning on a first loss function of the first convolution neural network on the basis of the first corrected image and the intermediate image; and performing machine learning on a second loss function of the first convolution neural network on the basis of the first corrected image and a natural image.
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公开(公告)号：US12274166B2
公开(公告)日：2025-04-08
申请号：US17237453
申请日：2021-04-22
Inventor： Dae Sung Chung , Ju Hee Kim
Abstract: Provided is a photosensitive material and a photodetector including the same. According to the present invention, the photodetector may include a photoactive layer having a photocurrent density of at most about 10−6 A/cm2 under a first incidence condition, and having a photocurrent density of at least about 10−4 A/cm2 under a second incidence condition. The wavelength of light under the second incidence condition is the same as the wavelength of light under the first incidence condition, and the intensity of light under the second incidence condition may be greater than the intensity of light under the first incidence condition.
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公开(公告)号：US12274108B2
公开(公告)日：2025-04-08
申请号：US17537993
申请日：2021-11-30
Inventor： Jun Hyung Lim , Yong-Young Noh , Soyoung Koo , Hyungjun Kim , Huihui Zhu
Abstract: A thin film transistor includes a gate electrode, an insulating layer disposed on the gate electrode, and an active layer disposed on the insulating layer, where the active layer includes a perovskite compound represented by the following Formula: AB(1-u)C(u)[X(1-v)Y(v)]3, where A is a monovalent organic cation, a monovalent inorganic cation, or any combination thereof, B is Sn2+, C is a divalent cation or trivalent cation, X is a monovalent anion, Y is a monovalent anion different from X, u is a real number greater than 0 and less than 1, and v is a real number greater than 0 and less than 1.
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公开(公告)号：US20250103653A1
公开(公告)日：2025-03-27
申请号：US18494671
申请日：2023-10-25
Inventor： Hee Kap AHN , Hyo Jeong AN , Mook Kwon JUNG , Tae Kang EOM , Hwi KIM
IPC: G06F16/901
Abstract: Disclosed are embodiments of shortest path search in an obstacle environment. Provided is a shortest path search method including: creating an epsilon graph; and determining k closest points from a query point on the basis of the graph, wherein the creating of the graph includes: creating a node group of nodes on the basis of a point group of arrival points; creating an edge group of edges on the basis of the created nodes; setting, on the basis of an obstacle group of at least one obstacle, whether each of the nodes is a valid node or a non-valid node; setting, on the basis of the obstacle group, whether each of the edges is a valid or non-valid edge; and including, for each of the arrival points, a particular arrival point on an anchor list of a valid node closest from the particular arrival point among the valid nodes.
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公开(公告)号：US20250070456A1
公开(公告)日：2025-02-27
申请号：US18944191
申请日：2024-11-12
Inventor： Won-bin Hong , Byounggwan Kang , Youngno Youn
Abstract: A wireless communication device includes at least one antenna configured to transmit or receive a signal, and a frequency selection surface arranged adjacent to the at least one antenna and configured to diffract the signal generated from the at least one antenna, wherein the frequency selection surface includes a transparent substrate on which a plurality of unit cells are defined, and a plurality of conductive patterns arranged in the plurality of unit cells, respectively.
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Patent Agency Ranking
36.发明授权公开(公告)号：US12231202B2
公开(公告)日：2025-02-18
申请号：US18258783
申请日：2021-12-29
Inventor： Ho Jin Song , Hyeon Uk Son
IPC: H04L23/02 , H04B7/0426 , H04B7/06
Abstract: Disclosed are a phase shift method and a device performing same, the method comprising the steps of: shifting a phase of an input signal by a phase shifter, and up-converting, by a frequency quadrupler, a frequency of the input signal of which the phase has been shifted, by a multiplication coefficient (N). According to the phase shift method and the device performing same, it is possible to overcome a phase resolution decrease that occurs when passing through a frequency quadrupler in super high-frequency LO beamforming technology synchronized with a conventional frequency quadrupler.
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公开(公告)号：US20250052723A1
公开(公告)日：2025-02-13
申请号：US18776195
申请日：2024-07-17
Inventor： Jeong Woo PARK , Chul Hong KIM , Hyung Ham KIM , Jin Hee YOO
IPC: G01N29/24
Abstract: A transparent ultrasound probe module, provided inside a housing of an optical apparatus may include a lens provided on one side of an inside of the housing, formed of a transparent material, a first matching layer provided on the other surface of the lens and formed of a transparent material, a piezoelectric element layer provided on the first matching layer and including transparent piezoelectric elements for interconverting an electrical signal and a mechanical signal, first and second electrode layers formed of a transparent material and provided on respective surfaces of the piezoelectric element layer, and configured to transmit an electrical signal, circuit boards connected to each of the first and second electrode layers, formed of a bendable material, and configured to transmit/receive the electrical signal to/from the piezoelectric element, and a block layer on the second electrode layer, formed of a transparent material, and configured to remove ultrasound noise.
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公开(公告)号：US12213387B2
公开(公告)日：2025-01-28
申请号：US17386187
申请日：2021-07-27
Inventor： Won Joon Cho , Sungdug Kim , Inseob Shin , Gilho Lee , Seong Jang
Abstract: The present disclosure provides a spin-orbit torque structure having a high spin Hall angle and low resistance by including a topological material. In addition, the present disclosure provides a spin-orbit torque structure having a low power consumption density by including a topological material. Also, a magnetic memory device including the spin-orbit torque structure is provided.
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公开(公告)号：US12207394B2
公开(公告)日：2025-01-21
申请号：US18114677
申请日：2023-02-27
Inventor： Byung Jin Choi , Young Ju Kim , Dong Pil Park , Won Bin Hong
Abstract: A circuit board according to an embodiment includes a core layer including a first region and a second region, and antenna power supply wirings disposed on the core layer over the first region and the second region. The antenna power supply wirings may include a first portion extending in a first direction in the first region, a second portion extending in a second direction in the first region, and a third portion extending in the first direction in the second region, and an interval between the neighboring second portions of the antenna power supply wirings is 3 times or less of an interval between the neighboring third portions of the antenna power supply wirings.
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公开(公告)号：US20240424107A1
公开(公告)日：2024-12-26
申请号：US18628661
申请日：2024-04-05
Inventor： Seung Soo OH , Hyesung JO
Abstract: The present invention relates to a preparation of a polypeptide conjugate using an aptamer containing oxanine. In particular, the present invention relates to a composition for preparing a conjugate of a polypeptide, the composition comprising an aptamer containing oxanine, and a method of preparing a conjugate of a polypeptide using the same. The present invention also relates to a conjugate comprising a polypeptide and an aptamer containing oxanine, and a conjugate comprising a polypeptide and a drug.
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