Patents by Inventor Sohichiro NAKAMURA
Sohichiro NAKAMURA has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240085298Abstract: Provided are a particle measurement device and a particle measurement method capable of measuring a refractive index or a complex refractive index and a particle size distribution of a single type of particles included in a dispersion liquid.Type: ApplicationFiled: November 22, 2023Publication date: March 14, 2024Applicant: FUJIFILM CorporationInventors: Sohichiro NAKAMURA, Kenichi Hamada
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Publication number: 20240077399Abstract: Provided are a light scattering measurement device and a light scattering measurement method that specify a material of a particle included in a dispersion liquid including at least one type of particles.Type: ApplicationFiled: November 14, 2023Publication date: March 7, 2024Applicant: FUJIFILM CorporationInventors: Sohichiro NAKAMURA, Kenichi HAMADA
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Patent number: 11893728Abstract: Provided is a determination method capable of non-destructively and simply determining a state of a sphere that is an aggregate of a plurality of cells. A phase difference image of a sphere that is an aggregate of a plurality of cells is generated from a hologram obtained by imaging the sphere, and a state of the sphere is determined on the basis of the phase difference image and a shape index value corresponding to a shape of the sphere.Type: GrantFiled: July 14, 2020Date of Patent: February 6, 2024Assignee: FUJIFILM CorporationInventors: Sohichiro Nakamura, Ryusuke Osaki, Sho Onozawa, Akihiro Asakura
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Patent number: 11869181Abstract: A determination method of non-destructively and easily determining a state of an aggregate of a plurality of cells formed by three-dimensional culture is provided. A determination method according to the disclosed technology includes generating a phase difference image of an aggregate of a plurality of cells from a hologram obtained by imaging the aggregate, deriving a first index value that indicates a randomness of an array of a phase difference amount in a plurality of pixels constituting the phase difference image, and determining a state of the cells constituting the aggregate on the basis of the first index value.Type: GrantFiled: February 23, 2021Date of Patent: January 9, 2024Assignee: FUJIFILM CorporationInventors: Sohichiro Nakamura, Sho Onozawa, Ryusuke Osaki
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Publication number: 20230375455Abstract: Provided are a dynamic light scattering measurement method and a dynamic light scattering measurement device with which a particle size distribution of each type of particle included in a dispersion liquid including particles is obtained.Type: ApplicationFiled: July 30, 2023Publication date: November 23, 2023Applicant: FUJIFILM CorporationInventors: Kenichi HAMADA, Sohichiro NAKAMURA
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Publication number: 20230375453Abstract: Provided is an optical measurement device capable of easily measuring a scattering intensity at different scattering angles or different wavelengths.Type: ApplicationFiled: July 30, 2023Publication date: November 23, 2023Applicant: FUJIFILM CorporationInventors: Sohichiro NAKAMURA, Kenichi HAMADA
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Publication number: 20230353888Abstract: Pixels of a mask image with which a target object is irradiated are shifted by a determined distance by sequentially turning on one light emission point or two or more light emission points of a light source with respect to a single mask pattern generated in a spatial modulation element, a pixel shift amount of the mask pattern determined by a position of the light emission point to be turned on of the light source is known, the target object is irradiated with mask images according to a plurality of mask patterns depending on the positions of the light emission point of the light source and the spatial modulation element, and a computer calculates a correlation between a light intensity detected by a detector and the mask image with which the target object is irradiated, to construct an image of the target object.Type: ApplicationFiled: July 6, 2023Publication date: November 2, 2023Applicant: FUJIFILM CorporationInventors: Masayuki NAYA, Ryusuke OSAKI, Sohichiro NAKAMURA
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Publication number: 20230092375Abstract: An object of the present invention is to provide a composition capable of realizing an excellent matt tone of a leather surface in a case of being used as a synthetic leather or an artificial leather, a sheet-shaped molded body, an artificial leather, and a manufacturing method of a sheet-shaped molded body. The composition of the present invention is a composition used for a synthetic leather or an artificial leather, the composition containing a polypeptide, a fibrous substance other than the polypeptide, and, a plasticizer.Type: ApplicationFiled: November 23, 2022Publication date: March 23, 2023Applicant: FUJIFILM CorporationInventors: Hirohisa HOKAZONO, Shun GOTO, Sohichiro NAKAMURA
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Publication number: 20230093229Abstract: A reflection structure 10 includes a plurality of mutually connected reflection units 20. Each of the plurality of reflection units 20 has a light reflection surface held in a state of maintaining a fixed angle.Type: ApplicationFiled: November 9, 2022Publication date: March 23, 2023Applicant: FUJIFILM CorporationInventor: Sohichiro NAKAMURA
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Image processing apparatus, evaluation system, image processing program, and image processing method
Patent number: 11480920Abstract: An image processing apparatus includes an acquisition unit that acquires a hologram obtained by imaging a plurality of granules contained within an imaging visual field, a generation unit that generates, from the hologram, phase difference images at positions different from each other in an optical axis direction in a case in which the hologram is captured, a specifying unit that specifies a plurality of image ranges in a direction of a plane intersecting the optical axis direction, which correspond to the plurality of granules, in an averaged image obtained by averaging at least some of the phase difference images, and an extraction unit that extracts the phase difference image at a center position of a corresponding granule in the optical axis direction for each of the plurality of image ranges.Type: GrantFiled: November 30, 2021Date of Patent: October 25, 2022Assignee: FUJIFILM CorporationInventors: Sohichiro Nakamura, Sho Onozawa, Ryusuke Osaki -
Publication number: 20220253016Abstract: There is provided a method including generating a phase contrast image of an aggregate of a pluripotent stem cell from a hologram in which the aggregates is captured; deriving a phase contrast amount density obtained by dividing a total phase contrast amount which is a value obtained by integrating a phase contrast amount of each of a plurality of pixels that constitute the phase contrast image, by a volume of the aggregate; and sorting the pluripotent stem cell based on the phase contrast amount density.Type: ApplicationFiled: April 26, 2022Publication date: August 11, 2022Applicant: FUJIFILM CorporationInventors: Yuta MURAKAMI, Ryusuke Osaki, Sho Onozawa, Sohichiro Nakamura
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Publication number: 20220244243Abstract: There is provided a method including generating a phase contrast image of an aggregate of a pluripotent stem cell from a hologram in which the aggregate is captured; deriving, based on the phase contrast image, an index value indicating a complexity or simplicity of a contour line, the index value being determined according to a relationship between an area of the aggregate and a length of the contour line of the aggregate; and sorting the pluripotent stem cell based on the index value.Type: ApplicationFiled: April 22, 2022Publication date: August 4, 2022Applicant: FUJIFILM CorporationInventors: Yuta MURAKAMI, Ryusuke OSAKI, Sho ONOZAWA, Sohichiro NAKAMURA
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Patent number: 11357403Abstract: In an optical coherence tomography apparatus that generates a full-color optical coherence tomographic image, an image generation unit includes a correction processing unit that calculates an attenuation related value related to attenuation of signal intensity of the interference light of three R, G, and B colors in a first depth region and corrects the signal intensity of a second depth region deeper than the first depth region according to the attenuation related value to calculate a correction signal for the interference light and generates a full-color optical coherence tomographic image using the correction signals calculated for each of R, G, and B.Type: GrantFiled: April 25, 2019Date of Patent: June 14, 2022Assignee: FUJIFILM CorporationInventors: Sohichiro Nakamura, Heijiro Hirayama, Takafumi Noguchi
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IMAGE PROCESSING APPARATUS, EVALUATION SYSTEM, IMAGE PROCESSING PROGRAM, AND IMAGE PROCESSING METHOD
Publication number: 20220083004Abstract: An image processing apparatus includes an acquisition unit that acquires a hologram obtained by imaging a plurality of granules contained within an imaging visual field, a generation unit that generates, from the hologram, phase difference images at positions different from each other in an optical axis direction in a case in which the hologram is captured, a specifying unit that specifies a plurality of image ranges in a direction of a plane intersecting the optical axis direction, which correspond to the plurality of granules, in an averaged image obtained by averaging at least some of the phase difference images, and an extraction unit that extracts the phase difference image at a center position of a corresponding granule in the optical axis direction for each of the plurality of image ranges.Type: ApplicationFiled: November 30, 2021Publication date: March 17, 2022Applicant: FUJIFILM CorporationInventors: Sohichiro NAKAMURA, Sho ONOZAWA, Ryusuke OSAKI -
Publication number: 20210174507Abstract: A determination method of non-destructively and easily determining a state of an aggregate of a plurality of cells formed by three-dimensional culture is provided. A determination method according to the disclosed technology includes generating a phase difference image of an aggregate of a plurality of cells from a hologram obtained by imaging the aggregate, deriving a first index value that indicates a randomness of an array of a phase difference amount in a plurality of pixels constituting the phase difference image, and determining a state of the cells constituting the aggregate on the basis of the first index value.Type: ApplicationFiled: February 23, 2021Publication date: June 10, 2021Applicant: FUJIFILM CorporationInventors: Sohichiro NAKAMURA, Sho ONOZAWA, Ryusuke OSAKI
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Publication number: 20210174506Abstract: A determination method of non-destructively and easily determining a state of an aggregate of a plurality of cells formed by three-dimensional culture is provided. A determination method according to the disclosed technology includes generating a phase difference image of an aggregate of a plurality of cells from a hologram obtained by imaging the aggregate, deriving a phase difference amount density by dividing a total phase difference amount that is a value obtained by integrating a phase difference amount of each of a plurality of pixels constituting the phase difference image by a volume of the aggregate, and determining a state of the aggregate on the basis of a time transition of the phase difference amount density.Type: ApplicationFiled: February 22, 2021Publication date: June 10, 2021Applicant: FUJIFILM CorporationInventors: Sohichiro NAKAMURA, Ryusuke OSAKI, Sho ONOZAWA
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Publication number: 20200342599Abstract: Provided is a determination method capable of non-destructively and simply determining a state of a sphere that is an aggregate of a plurality of cells. A phase difference image of a sphere that is an aggregate of a plurality of cells is generated from a hologram obtained by imaging the sphere, and a state of the sphere is determined on the basis of the phase difference image and a shape index value corresponding to a shape of the sphere.Type: ApplicationFiled: July 14, 2020Publication date: October 29, 2020Applicant: FUJIFILM CorporationInventors: Sohichiro NAKAMURA, Ryusuke OSAKI, Sho ONOZAWA, Akihiro ASAKURA
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Publication number: 20190246906Abstract: In an optical coherence tomography apparatus that generates a full-color optical coherence tomographic image, an image generation unit includes a correction processing unit that calculates an attenuation related value related to attenuation of signal intensity of the interference light of three R, G, and B colors in a first depth region and corrects the signal intensity of a second depth region deeper than the first depth region according to the attenuation related value to calculate a correction signal for the interference light and generates a full-color optical coherence tomographic image using the correction signals calculated for each of R, G, and B.Type: ApplicationFiled: April 25, 2019Publication date: August 15, 2019Applicant: FUJIFILM CorporationInventors: Sohichiro NAKAMURA, Heijiro Hirayama, Takafumi Noguchi
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Patent number: 9839358Abstract: Using an optical tomography method of splitting low coherent light into sample light and reference-light, emitting the sample light to a measurement-target in a line shape, generating interference light by superimposing reflected light from the measurement-target due to emission of the sample light and the reference-light on each other, and acquiring a two-dimensional spectroscopic tomographic-image of the measurement-target by spectroscopically detecting the interference light and performing frequency analysis, an arbitrary wavelength region in an ultraviolet region is cut out from low coherent light including a wavelength region from an ultraviolet region to a visible region and the arbitrary wavelength region is shaped into a spectrum having an arbitrary wavelength width, the two-dimensional spectroscopic tomographic-image is acquired as using the low coherent light, and the penetration depth of the sample light for the measurement-target is evaluated based on the two-dimensional spectroscopic tomographic-Type: GrantFiled: April 25, 2017Date of Patent: December 12, 2017Assignee: FUJIFILM CorporationInventors: Heijiro Hirayama, Sohichiro Nakamura
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Publication number: 20170224219Abstract: Using an optical tomography method of splitting low coherent light into sample light and reference-light, emitting the sample light to a measurement-target in a line shape, generating interference light by superimposing reflected light from the measurement-target due to emission of the sample light and the reference-light on each other, and acquiring a two-dimensional spectroscopic tomographic-image of the measurement-target by spectroscopically detecting the interference light and performing frequency analysis, an arbitrary wavelength region in an ultraviolet region is cut out from low coherent light including a wavelength region from an ultraviolet region to a visible region and the arbitrary wavelength region is shaped into a spectrum having an arbitrary wavelength width, the two-dimensional spectroscopic tomographic-image is acquired as using the low coherent light, and the penetration depth of the sample light for the measurement-target is evaluated based on the two-dimensional spectroscopic tomographic-Type: ApplicationFiled: April 25, 2017Publication date: August 10, 2017Applicant: FUJIFILM CorporationInventors: Heijiro HIRAYAMA, Sohichiro NAKAMURA