Patents by Inventor Shigeki Masuda
Shigeki Masuda 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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Patent number: 11927646Abstract: Provided is a magnetic field measuring apparatus, comprising: a magnetic sensor array including a plurality of magnetic sensor cells, which is capable of detecting an input magnetic field in three axial directions at a plurality of locations in three-dimensional space; a measurement data acquiring section for acquiring measurement data based on the input magnetic field including a to-be-measured magnetic field; and a measurement data computing section for calibrating the measurement data acquired by the measurement data acquiring section; wherein the measurement data computing section comprises: an indicator calculation section for calculating an indicator illustrating calibration accuracy of the measurement data computing section; and a failure determination section for determining a failure based on the indicator calculated by the indicator calculation section; wherein each of the plurality of magnetic sensor cells comprises: a magnetic sensor; and an output section for outputting a output signal.Type: GrantFiled: May 25, 2021Date of Patent: March 12, 2024Assignee: Asahi Kasei Microdevices CorporationInventors: Shigeki Okatake, Yoshitaka Moriyasu, Masanori Masuda, Takenobu Nakamura
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Patent number: 11262292Abstract: A fluid delivery method for delivering a liquid sample to a flow cell including a taper section including a first and a second inner walls opposing the first inner wall, which is inclined to the second inner wall so that a distance between the first and the second inner walls at a downstream side of the taper section is shorter than a distance at an upstream side of the taper section, and including measurement flow path provided downstream of the taper section, through which a liquid sample flows together with a sheath fluid. The fluid delivery method includes sample introduction of delivering the liquid sample into the taper section along the second inner wall until the liquid sample reaches the measurement flow path, and sample pressing by delivering the sheath fluid into the taper section along the first inner wall after the liquid sample reaches the measurement flow path.Type: GrantFiled: April 6, 2020Date of Patent: March 1, 2022Assignee: ARKRAY, Inc.Inventors: Shinichi Ota, Shigeki Masuda, Shinya Nakajima
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Patent number: 10885665Abstract: Detection and analysis of a tangible component in a sample are implemented at lower cost. Provided is an analysis apparatus including a flow cell which includes a flow path for a sample, a branch section configured to cause light having passed through the flow path to branch at least to a first optical path and a second optical path, a first imaging section and a second imaging section configured to capture images of the sample in the flow path by using the light in the first optical path and the light in the second optical path, and a controller configured to process the captured images. The first imaging section and the second imaging section capture images that have the same angle of view but have different characteristics.Type: GrantFiled: August 8, 2018Date of Patent: January 5, 2021Assignee: ARKRAY, Inc.Inventors: Shigeki Masuda, Yukio Watanabe
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Patent number: 10852223Abstract: A flow cell has: a flow path in which a specimen fluid and a sheath fluid flow; a specimen flow path that introduces the specimen fluid into the flow path; a first sheath flow path and a second sheath flow path that introduce the sheath fluid into the flow path; and a merging portion at which the specimen flow path, the first sheath flow path and the second sheath flow path merge together. The specimen flow path is provided on a central flow line of the flow path. At the merging portion, the first sheath flow path and the second sheath flow path face directions intersecting the central flow line of the flow path, and are disposed at positions that are offset in a depth direction of the flow path.Type: GrantFiled: December 28, 2017Date of Patent: December 1, 2020Assignee: ARKRAY, Inc.Inventor: Shigeki Masuda
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Publication number: 20200319089Abstract: A fluid delivery method for delivering a liquid sample to a flow cell including a taper section including a first and a second inner walls opposing the first inner wall, which is inclined to the second inner wall so that a distance between the first and the second inner walls at a downstream side of the taper section is shorter than a distance at an upstream side of the taper section, and including measurement flow path provided downstream of the taper section, through which a liquid sample flows together with a sheath fluid. The fluid delivery method includes sample introduction of delivering the liquid sample into the taper section along the second inner wall until the liquid sample reaches the measurement flow path, and sample pressing by delivering the sheath fluid into the taper section along the first inner wall after the liquid sample reaches the measurement flow path.Type: ApplicationFiled: April 6, 2020Publication date: October 8, 2020Applicant: ARKRAY, Inc.Inventors: Shinichi OTA, Shigeki MASUDA, Shinya NAKAJIMA
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Patent number: 10798287Abstract: An analysis apparatus comprises a flow cell which has a flow passage for a liquid containing a tangible component; an image pickupper which picks up images of the liquid flowing through the flow passage; an adjuster which adjusts a relative position of the flow cell with respect to the image pickupper in relation to an optical axis direction of the image pickupper and a direction in which the liquid flows through the flow passage; and a controller which determines an image pickup position of the flow cell in at least one of the optical axis direction and the direction in which the liquid flows, on the basis of a number of pieces of the tangible component in focusing states existing in the images of the liquid picked up by the image pickupper at a plurality of positions at which the relative position differs.Type: GrantFiled: July 2, 2018Date of Patent: October 6, 2020Assignee: ARKRAY, Inc.Inventors: Shigeki Masuda, Kenji Nakanishi
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Patent number: 10656069Abstract: A flow cell including a flow channel through which a sample fluid and a sheath fluid flow, a sample flow channel that introduces the sample fluid into the flow channel, and at least one sheath flow channel that introduces the sheath fluid into the flow channel. The flow channel includes a flow merging section where the sample flow channel and the sheath flow channel merge, a flattened section that is disposed downstream of the flow merging section, that is formed in line with one wall face of wall faces facing across the flow merging section, and that is shallower in depth than the flow merging section, and a tapered section that connects the flow merging section with the flattened section and that gradually decreases in depth on progression downstream.Type: GrantFiled: June 20, 2018Date of Patent: May 19, 2020Assignee: ARKRAY, Inc.Inventor: Shigeki Masuda
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Patent number: 10437036Abstract: A plurality of images of a sample are simultaneously captured at different focal lengths by a plurality of cameras. An analysis apparatus includes: a branch section configured to cause light passing through the sample containing a material component to branch off into a plurality of optical paths; a plurality of imaging devices for simultaneously capturing images of the sample in a flow path at different focal points by using the light caused to branch off into the plurality of optical paths; and a controller configured to process the captured images.Type: GrantFiled: September 27, 2018Date of Patent: October 8, 2019Assignee: ARKRAY, Inc.Inventors: Shinya Nakajima, Shigeki Masuda, Kenji Nakanishi, Yukio Watanabe
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Patent number: 10410774Abstract: Provided are a composite material having direct current superposition characteristics, low iron loss, and high strength, a magnetic core for a magnetic component and a reactor, the magnetic core and the reactor including the composite material, a converter including the reactor, and a power conversion device including the converter. A composite material includes a soft magnetic powder, a filler, and a resin portion enclosing the soft magnetic powder and the filler dispersed therein, wherein the filler has rubber and an outer circumferential layer that covers a surface of the rubber and that contains an organic substance, and the resin portion contains a thermoplastic resin.Type: GrantFiled: January 26, 2016Date of Patent: September 10, 2019Assignees: AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.Inventors: Kazushi Kusawake, Atsushi Sato, Shigeki Masuda
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Patent number: 10325706Abstract: Provided are a composite material having low iron loss, high saturation magnetization, and high strength, and a magnetic component and a reactor that include the composite material. A composite material contains a soft magnetic powder and a resin having the soft magnetic powder dispersed therein, the soft magnetic powder including a coarse powder having an average particle size D1 of not less than 50 ?m nor more than 500 ?m and a fine powder having an average particle size D2 of not less than 0.1 ?m but less than 30 wherein the soft magnetic powder is contained in an amount of not less than 60 vol % nor more than 80 vol % with respect to the composite material as a whole.Type: GrantFiled: August 28, 2015Date of Patent: June 18, 2019Assignees: AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.Inventors: Kazushi Kusawake, Shigeki Masuda, Atsushi Sato
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Publication number: 20190101742Abstract: A plurality of images of a sample are simultaneously captured at different focal lengths by a plurality of cameras. An analysis apparatus includes: a branch section configured to cause light passing through the sample containing a material component to branch off into a plurality of optical paths; a plurality of imaging devices for simultaneously capturing images of the sample in a flow path at different focal points by using the light caused to branch off into the plurality of optical paths; and a controller configured to process the captured images.Type: ApplicationFiled: September 27, 2018Publication date: April 4, 2019Applicant: ARKRAY, Inc.Inventors: Shinya NAKAJIMA, Shigeki MASUDA, Kenji NAKANISHI, Yukio WATANABE
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Publication number: 20190051011Abstract: Detection and analysis of a tangible component in a sample are implemented at lower cost. Provided is an analysis apparatus including a flow cell which includes a flow path for a sample, a branch section configured to cause light having passed through the flow path to branch at least to a first optical path and a second optical path, a first imaging section and a second imaging section configured to capture images of the sample in the flow path by using the light in the first optical path and the light in the second optical path, and a controller configured to process the captured images. The first imaging section and the second imaging section capture images that have the same angle of view but have different characteristics.Type: ApplicationFiled: August 8, 2018Publication date: February 14, 2019Applicant: ARKRAY, Inc.Inventors: Shigeki MASUDA, Yukio WATANABE
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Publication number: 20190020825Abstract: An analysis apparatus comprises a flow cell which has a flow passage for a liquid containing a tangible component; an image pickupper which picks up images of the liquid flowing through the flow passage; an adjuster which adjusts a relative position of the flow cell with respect to the image pickupper in relation to an optical axis direction of the image pickupper and a direction in which the liquid flows through the flow passage; and a controller which determines an image pickup position of the flow cell in at least one of the optical axis direction and the direction in which the liquid flows, on the basis of a number of pieces of the tangible component in focusing states existing in the images of the liquid picked up by the image pickupper at a plurality of positions at which the relative position differs.Type: ApplicationFiled: July 2, 2018Publication date: January 17, 2019Applicant: ARKRAY, Inc.Inventors: Shigeki MASUDA, Kenji NAKANISHI
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Publication number: 20180372612Abstract: A flow cell including a flow channel through which a sample fluid and a sheath fluid flow, a sample flow channel that introduces the sample fluid into the flow channel, and at least one sheath flow channel that introduces the sheath fluid into the flow channel. The flow channel includes a flow merging section where the sample flow channel and the sheath flow channel merge, a flattened section that is disposed downstream of the flow merging section, that is formed in line with one wall face of wall faces facing across the flow merging section, and that is shallower in depth than the flow merging section, and a tapered section that connects the flow merging section with the flattened section and that gradually decreases in depth on progression downstream.Type: ApplicationFiled: June 20, 2018Publication date: December 27, 2018Applicant: ARKRAY, Inc.Inventor: Shigeki MASUDA
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Publication number: 20180202915Abstract: A flow cell has: a flow path in which a specimen fluid and a sheath fluid flow; a specimen flow path that introduces the specimen fluid into the flow path; a first sheath flow path and a second sheath flow path that introduce the sheath fluid into the flow path; and a merging portion at which the specimen flow path, the first sheath flow path and the second sheath flow path merge together. The specimen flow path is provided on a central flow line of the flow path. At the merging portion, the first sheath flow path and the second sheath flow path face directions intersecting the central flow line of the flow path, and are disposed at positions that are offset in a depth direction of the flow path.Type: ApplicationFiled: December 28, 2017Publication date: July 19, 2018Applicant: ARKRAY, Inc.Inventor: Shigeki MASUDA
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Publication number: 20170365387Abstract: Provided are a composite material having direct current superposition characteristics, low iron loss, and high strength, a magnetic core for a magnetic component and a reactor, the magnetic core and the reactor including the composite material, a converter including the reactor, and a power conversion device including the converter. A composite material includes a soft magnetic powder, a filler, and a resin portion enclosing the soft magnetic powder and the filler dispersed therein, wherein the filler has rubber and an outer circumferential layer that covers a surface of the rubber and that contains an organic substance, and the resin portion contains a thermoplastic resin.Type: ApplicationFiled: January 26, 2016Publication date: December 21, 2017Inventors: Kazushi KUSAWAKE, Atsushi SATO, Shigeki MASUDA
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Publication number: 20170263356Abstract: Provided are a composite material having low iron loss, high saturation magnetization, and high strength, and a magnetic component and a reactor that include the composite material. A composite material contains a soft magnetic powder and a resin having the soft magnetic powder dispersed therein, the soft magnetic powder including a coarse powder having an average particle size D1 of not less than 50 ?m nor more than 500 ?m and a fine powder having an average particle size D2 of not less than 0.1 ?m but less than 30 wherein the soft magnetic powder is contained in an amount of not less than 60 vol % nor more than 80 vol % with respect to the composite material as a whole.Type: ApplicationFiled: August 28, 2015Publication date: September 14, 2017Applicants: AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.Inventors: Kazushi Kusawake, Shigeki Masuda, Atsushi Sato
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Patent number: 5854368Abstract: A polyester represented by the following general formula (I) and a copolymer which comprises two structural units represented by the following general formulae (I') and (II). ##STR1## and a coating material for use in large intestine-selective drug release pharmaceutical preparations, which contains the above polyester and/or copolymer. The polyester and copolymer of the present invention contain a saccharide residue which is hydrolyzed and/or assimilated specifically in the large intestine, drugs contained in solid oral pharmaceutical administration pharmaceutical preparations coated with the coating material of the present invention are not decomposed or absorbed by digestive organs other than the large intestine, but instead are released selectively and therefore in a high concentration in the large intestine.Type: GrantFiled: December 30, 1996Date of Patent: December 29, 1998Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventors: Koji Iritani, Tetsuya Kawasaki, Nobutaka Tani, Shigeki Masuda, Yoshiaki Yano
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Patent number: 5644012Abstract: A polyester represented by the following general formula (I) and a copolymer which comprises two structural units represented by the following general formulae (I') and (II). ##STR1## and a coating material for use in large intestine-selective drug release pharmaceutical preparations, which contains the above polyester and/or copolymer. The polyester and copolymer of the present invention contain a saccharide residue which is hydrolyzed and/or assimilated specifically in the large intestine, drugs contained in solid oral pharmaceutical administration pharmaceutical preparations coated with the coating material of the present invention are not decomposed or absorbed by digestive organs other than the large intestine, but instead are released selectively and therefore in a high concentration in the large intestine.Type: GrantFiled: November 16, 1992Date of Patent: July 1, 1997Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventors: Koji Iritani, Tetsuya Kawasaki, Nobutaka Tani, Shigeki Masuda, Yoshiaki Yano
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Patent number: 5576020Abstract: A polyester represented by the following general formula (I) and a copolymer which comprises two structural units represented by the following general formulae (I') and (II). ##STR1## and a coating material for use in large intestine-selective drug release pharmaceutical preparations, which contains the above polyester and/or copolymer. The polyester and copolymer of the present invention contain a saccharide residue which is hydrolyzed and/or assimilated specifically in the large intestine, drugs contained in solid oral pharmaceutical administration pharmaceutical preparations coated with the coating material of the present invention are not decomposed or absorbed by digestive organs other than the large intestine, but instead are released selectively and therefore in a high concentration in the large intestine.Type: GrantFiled: April 14, 1995Date of Patent: November 19, 1996Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventors: Koji Iritani, Tetsuya Kawasaki, Nobutaka Tani, Shigeki Masuda, Yoshiaki Yano