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公开(公告)号：US12128431B2
公开(公告)日：2024-10-29
申请号：US16842890
申请日：2020-04-08
Inventor： Mariko Miyashita , Tatsushi Ohyama
CPC classification number: B05B12/124 , A61L2/22 , G01N21/64 , G01N21/94 , A61L2202/15 , G01N2021/945
Abstract: A purifying apparatus includes: an optical sensor that outputs an electrical signal, the optical sensor including a light source that emits first light and a photodetector that receives second light from a region irradiated with the first light; a determination circuit that determines the presence or absence of a physical object in the region and generates an image representing a determination result, the determination circuit including a signal processing circuit that processes the electrical signal; a spray that sprays a cleansing agent through a spray nozzle, the spray including the spray nozzle; a range finder that measures a distance from the spray nozzle to the physical object; and a controller that controls, according to the distance, spraying of the cleansing agent by the spray.
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公开(公告)号：US11740178B2
公开(公告)日：2023-08-29
申请号：US17231046
申请日：2021-04-15
Inventor： Tatsushi Ohyama , Mariko Miyashita
Abstract: An aerosol measurement apparatus for measuring an aerosol contained in a scatterer present in an atmosphere includes a light source, an optical element (i) that irradiates the scatterer with interfering light produced by causing emitted light emitted from the light source to interfere in an interior of the optical element, the interfering light having a plurality of peaks spaced at frequency intervals equal to one another, and (ii) that emits Mie scattered light by causing scattered light generated in the scatterer to interfere in the interior, and a photodetector that receives the Mie scattered light and outputs a signal corresponding to an intensity of light received.
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公开(公告)号：US11662292B2
公开(公告)日：2023-05-30
申请号：US17163652
申请日：2021-02-01
Inventor： Tatsushi Ohyama , Mariko Miyashita
IPC: G01N15/06
CPC classification number: G01N15/06 , G01N2015/0693
Abstract: A measurement apparatus includes a light source, an interferometer, a light receiver, and a signal processor. The light source emits laser light to a scatterer in the atmosphere. The laser light has multiple oscillation frequencies separated from each other at equal frequency intervals. The interferometer produces interference in scattered light generated as a result of the laser light being scattered by the scatterer. The light receiver receives Mie scattered light included in the scattered light subjected to the interference produced by the interferometer and generates a signal. The signal processor detects the quantity of the Mie scattered light based on the signal. Each of the equal frequency intervals is smaller than the full width at half maximum of the peak of a frequency spectrum of Rayleigh scattered light. The Rayleigh scattered light is generated as a result of the laser light being scattered by molecules forming the atmosphere.
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公开(公告)号：US11694659B2
公开(公告)日：2023-07-04
申请号：US17120085
申请日：2020-12-11
Inventor： Tatsushi Ohyama , Mariko Miyashita
IPC: G09G5/377 , G09G5/02 , G06T17/00 , G01N21/64 , G01N33/00 , G01S17/89 , G01N15/00 , G01S7/51 , G01N21/47 , G06T19/20 , G01N21/53 , G01N21/17 , G01S17/86 , G01N15/06 , G06T19/00 , G01S7/48 , G06F3/147
CPC classification number: G09G5/377 , G01N21/6456 , G01N33/0027 , G01S17/89 , G06T17/00 , G09G5/02 , G01N15/06 , G01N21/53 , G01N2015/0046 , G01N2015/0693 , G01N2021/1793 , G01N2021/4792 , G01N2201/0631 , G01S7/4802 , G01S7/51 , G01S17/86 , G06F3/147 , G06T19/006 , G06T19/20 , G06T2219/004 , G06T2219/2012 , G09G2340/125
Abstract: A display apparatus includes a display screen, and a controller that causes the display screen to display a composite image in which a first image acquired by imaging a space by a camera and a second image representing at least one type of aerosol existing in the space are combined. The position of the at least one type of aerosol as seen in a depth direction in the first image is reflected in the second image.
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Patent Agency Ranking
公开(公告)号：US11363215B2
公开(公告)日：2022-06-14
申请号：US16784933
申请日：2020-02-07
Inventor： Tatsushi Ohyama , Mariko Miyashita
Abstract: A light observation apparatus includes: a first photodetector that, upon irradiation of at least part of a physical object with irradiation light, receives first light containing ambient light and at least one selected from the group consisting of reflected light returning from the at least part and fluorescence produced from the at least part, and that outputs a first output signal representing a reception intensity of the first light; a second photodetector that receives second light containing the ambient light and outputs a second output signal representing a reception intensity of the second light; and a signal processing circuit. The signal processing circuit attenuates a first signal component corresponding to the ambient light from the first output signal based on the first output signal and the second output signal.
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公开(公告)号：US10435314B2
公开(公告)日：2019-10-08
申请号：US15411708
申请日：2017-01-20
Inventor： Akiko Murata , Tatsushi Ohyama
IPC: C02F1/46 , B01J19/08 , C01B13/11 , C02F1/467 , C02F1/50 , C01B21/20 , C01B13/02 , B01D53/04 , B01D53/22
Abstract: A liquid treatment apparatus comprises: a first tank in which a first gas containing nitrogen and oxygen and a liquid are stored; a plasma generating apparatus, including a first electrode and a second electrode, which effects discharge between the first electrode and the second electrode and thereby generates plasma that makes contact with at least part of the liquid; and a gas supply apparatus that supplies a first part of the first gas from the first tank to the plasma generating apparatus.
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公开(公告)号：US10562797B2
公开(公告)日：2020-02-18
申请号：US15901555
申请日：2018-02-21
Inventor： Tatsushi Ohyama
Abstract: A liquid treatment apparatus includes a flow channel, first and second electrodes at least part of each of which is disposed within the flow channel, an insulator, a gas supply device, and a power supply source that applies a voltage between the first and second electrodes and generates plasma. The insulator has a tubular shape and an opening on an end surface of the insulator, and surrounds a lateral surface of the first electrode with a space interposed between the insulator and the first electrode. The gas supply device supplies and ejects a gas into the liquid via the opening. At least part of the flow channel extends in a first direction which is inclined with respect to a horizontal direction so that the liquid flows obliquely upward with respect to the horizontal direction. The opening is positioned within the at least part of the flow channel.
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公开(公告)号：US11927532B2
公开(公告)日：2024-03-12
申请号：US17124645
申请日：2020-12-17
Inventor： Mariko Miyashita , Tatsushi Ohyama
CPC classification number: G01N21/6428 , G01N21/6408 , G01N33/02 , G01N2201/129
Abstract: A component analysis device includes a data acquisition circuit that acquires spectral data of an analyte containing components, the spectral data being obtained by measuring a spectrum of the analyte with a sensor, a type acquisition circuit that acquires information indicating a type of the analyte, a storage that stores a reference spectral data set including multiple spectral data of substances each of which is estimated to be included in the analyte, the reference spectral data set corresponding to the type of the analyte, and an analysis circuit that performs a parallel factor analysis by using, as input data, the spectral data of the analyte and the reference spectral data set.
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公开(公告)号：US09856144B2
公开(公告)日：2018-01-02
申请号：US14795930
申请日：2015-07-10
Inventor： Hiroko Murayama , Tatsushi Ohyama
CPC classification number: C01B21/50 , B01J19/088 , B01J2219/0809 , B01J2219/0815 , B01J2219/083 , B01J2219/0841 , B01J2219/0869 , B01J2219/0871 , B01J2219/0883 , B01J2219/0894 , H05H1/48
Abstract: A nitrous acid generator includes a treatment vessel having an inner space being capable of holding a liquid; a gas supplier supplying a gas to the inner space such that the gas forms a bubble in the liquid, the gas containing oxygen and nitrogen; a plasma generator including a first electrode, a second electrode, and a power supply for applying a voltage therebetween, the plasma generator generating plasma in the bubble, the plasma producing nitrogen oxide including nitrogen monoxide and nitrogen dioxide; a gas-liquid contact member to which the nitrogen oxide and the liquid are introduced from the treatment vessel, the gas-liquid contact member causing the nitrogen oxide to be dissolved in the liquid while the nitrogen oxide and the liquid pass through the gas-liquid contact member; and a cooler cooling the nitrogen oxide and the liquid while the nitrogen oxide and the liquid pass through the gas-liquid contact member.
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