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公开(公告)号:US11584151B2
公开(公告)日:2023-02-21
申请号:US16330368
申请日:2017-09-04
发明人: Soko Koda , Akihito Kagotani , Toshiki Toda
IPC分类号: B42D25/373 , B42D25/435 , G02B5/18 , G09F3/02 , B42D25/29 , B42D25/328 , G07D7/207 , G07D7/12 , B42D25/337 , B42D25/324 , B42D25/333 , B42D25/364 , B42D25/425 , B42D25/47
摘要: Provided is an information display medium that can enhance a forgery prevention effect. An information display medium (100) includes a light reflection layer (20) made of a metal or a metallic oxide and partially or fully placed on one surface of a substrate, and the light reflection layer (20) includes a first region (30) where first information is displayed by either of or a combination of an outline shape and a shape of an uneven region, and a second information display region (21a) where identification information formed by partial material removal of the light reflection layer (20), the second information display region being set to partially or fully overlap with the light reflection layer (20) where the first information is displayed in the first region (30).
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公开(公告)号:US10944735B2
公开(公告)日:2021-03-09
申请号:US16862852
申请日:2020-04-30
发明人: Soko Koda , Akihito Kagotani
IPC分类号: H04L29/06 , G06K1/12 , G06K7/10 , G06K7/14 , G06K9/00 , H04M1/02 , H04M1/725 , H04W12/06 , G06Q20/32 , H04W12/00 , G03H1/04
摘要: An authentication apparatus including an input interface to acquires an image of a hologram label on an access object including key information; a processing history storage table that correlates a first image with the key information and stores the correlated image; an information determination circuit that refers to the processing history storage table, based on key information included in a second image that is being acquired after the first image, and determines whether the key information corresponds to key information of the second image; and a processing determination circuit that compares feature data of the second image that is not key information with feature data of the first image that is not key information in response to the information determination circuit determining the key information of the first image as being present, and uses the results of the comparison to determine whether to execute processing using the second image.
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公开(公告)号:US11951760B2
公开(公告)日:2024-04-09
申请号:US17988714
申请日:2022-11-16
发明人: Soko Koda , Akihito Kagotani , Toshiki Toda
IPC分类号: B42D25/373 , B42D25/337 , B42D25/435 , G02B5/18 , G07D7/207 , G09F3/02 , B42D25/29 , B42D25/324 , B42D25/328 , B42D25/333 , B42D25/364 , B42D25/425 , B42D25/47 , G07D7/12
CPC分类号: B42D25/373 , B42D25/337 , B42D25/435 , G02B5/1857 , G09F3/02 , B42D25/29 , B42D25/324 , B42D25/328 , B42D25/333 , B42D25/364 , B42D25/425 , B42D25/47 , G07D7/12 , G07D7/207 , G07D2207/00
摘要: Provided is an information display medium that can enhance a forgery prevention effect. An information display medium (100) includes a light reflection layer (20) made of a metal or a metallic oxide and partially or fully placed on one surface of a substrate, and the light reflection layer (20) includes a first region (30) where first information is displayed by either of or a combination of an outline shape and a shape of an uneven region, and a second information display region (21a) where identification information formed by partial material removal of the light reflection layer (20), the second information display region being set to partially or fully overlap with the light reflection layer (20) where the first information is displayed in the first region (30).
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公开(公告)号:US11373344B2
公开(公告)日:2022-06-28
申请号:US16422382
申请日:2019-05-24
发明人: Akihito Kagotani , Toshiki Toda
摘要: An optical film including a recording surface on which a plurality of unit blocks is disposed at regular intervals. For these unit blocks, phase components of light from a reconstruction point are calculated. The recording surface includes a calculated element region provided with an array of the unit blocks for which phase components of light from the reconstruction point are calculated for reproduction of an image. A first image is a monotone reconstruction image having even brightness, and a second image is a grayscale image having brightness gradation.
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公开(公告)号:US10948876B2
公开(公告)日:2021-03-16
申请号:US16203198
申请日:2018-11-28
发明人: Akihito Kagotani
IPC分类号: G03H1/08 , G02B5/18 , B42D25/328 , G03H1/02 , G03H1/30
摘要: According to one embodiment, there is provided an optical film with a recording surface, the recording surface including: a computation element section in which a phase component of light from each reconstruction point of a reconstructed image is computed, the computation element section corresponding to each reconstruction point one by one; a phase angle recording area in which a phase angle computed based on the phase component is recorded; and a phase angle non-recording area in which the phase angle is not recorded, the phase angle computed based on the phase component being recorded in an overlapping area where the computation element section and the phase angle recording area overlap each other.
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公开(公告)号:US10895672B2
公开(公告)日:2021-01-19
申请号:US15938859
申请日:2018-03-28
发明人: Akihito Kagotani , Soko Koda
摘要: The optical element has transmissivity in a first direction, and includes a plurality of first members each having a first surface that forms an element of first information. The first surface faces a second direction orthogonal to the first direction.
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公开(公告)号:US10763456B2
公开(公告)日:2020-09-01
申请号:US15230554
申请日:2016-08-08
发明人: Akihito Kagotani
摘要: A front plate for a lighting device includes a translucent substrate having a first surface, a high refractive index layer formed on the first surface of the translucent substrate and having a refractive index higher than a refractive index of the translucent substrate, and an electrically conductive light reflection layer formed on a surface of the high refractive index layer on an opposite side of the translucent substrate. The electrically conductive light reflection layer is formed on a portion corresponding to a non-luminous region around a luminous region on the surface of the high refractive index layer.
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公开(公告)号:US10651415B2
公开(公告)日:2020-05-12
申请号:US15822286
申请日:2017-11-27
发明人: Akihito Kagotani , Toshiki Toda
摘要: An organic EL (electroluminescent) device includes a translucent substrate, a transparent electrode, a luminescent layer, and a cathode placed over one surface of the translucent substrate, and a light extraction film having unevenness placed on the other surface. The surface of the cathode facing the luminescent layer has a plurality of recesses or protrusions. The Fourier transform image of the surface of the cathode facing the luminescent layer has a surface plasmon absorption suppression area including a spatial frequency v obtained from Eq. (I) and a light scattering area not including spatial frequencies equal to or greater than the spatial frequency v.
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公开(公告)号:US11511558B2
公开(公告)日:2022-11-29
申请号:US17021769
申请日:2020-09-15
IPC分类号: B42D25/324 , B42D25/328 , G02B27/42 , G07D7/1205 , G02B5/18
摘要: A subwavelength grating displaying a colored image exhibiting a color corresponding to a grating period of a subwavelength grating in reflection directions including a specular reflection direction. A relief surface displaying a reflection image in monochromatic reflected light in reflection directions including a direction different from the specular reflection direction. An optical element has a first state in which neither a colored image nor a reflection image is displayed, a second state in which the colored image is mainly displayed, and a third state in which the reflection image is mainly displayed. A plane in which the optical element is disposed and a plane including a line of sight of an observer form an observation angle therebetween. The optical element is observed in any of the first, second and third states according to the observation angle.
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公开(公告)号:US11356649B2
公开(公告)日:2022-06-07
申请号:US17231542
申请日:2021-04-15
发明人: Akihito Kagotani , Kozue Umeda , Soko Koda
IPC分类号: H04N13/128 , H04N13/302 , G03H1/00 , G03H1/14
摘要: An integrated three-dimensional display includes a recording surface which includes a calculated element region in which phase components of light from light converging points of a holographic reconstructed image are calculated, and a phase angle recorded area for recording a phase angle calculated based on the phase components. The phase angle recorded area includes a plurality of monochromatic regions having a uneven structure surface. The phase angle is recorded in an overlap area in which the calculated element region and the phase angle recorded area overlap each other. Light converges on the light converging points at specific distances from the recording surface, the specific distances being determined for the respective light converging points even when light reflected from the plurality of monochromatic regions converges.
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