Patents by Inventor Takashi Kurosawa
Takashi Kurosawa 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: 20230348836Abstract: An object of the present invention is to provide a method for selecting cells, an apparatus for selecting cells, and an apparatus system for selecting cells, which enables evaluation of a damage resistance of the cells in a suspension culture system. According to the present invention, provided is a method for selecting cells including introducing cells into a micro flow passage and allowing the cells to pass through the micro flow passage, evaluating a damage resistance of the cells to damage received by the cells due to passing through the micro flow passage, and selecting the cells based on the evaluation of the damage resistance.Type: ApplicationFiled: July 6, 2023Publication date: November 2, 2023Applicant: FUJIFILM CorporationInventors: Takashi KUROSAWA, Makoto KOIKE, Shinichi NAKAI
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Publication number: 20220361742Abstract: An intraoral measurement device includes: a device main body that holds a base end side of a prism by a housing, the housing accommodating an illumination member and an imaging member, a cover member that is attached to the device main body in a state of covering, with a space part interposed in between, a distal end side of the prism arranged to face a measurement target, in which a part arranged to face the measurement target is formed by a light transmission window; and a heat transfer member that extends from the device main body along a non-optical surface of the prism, and transfers heat of the device main body to the light transmission window through abutment of a protruding end provided to protrude from the prism against the light transmission window of the cover member.Type: ApplicationFiled: April 28, 2022Publication date: November 17, 2022Inventors: TAKASHI KUROSAWA, ATSUSHI NAGAOKA, YOSHIHIRO INAGAKI, MOHDMAKHTAR NURNABILA
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Patent number: 11237385Abstract: An optical writing device performs writing by scanning an image surface of a photoconductor with light, and includes a light source unit including a light source that emits light, a deflection unit that deflects and scans the light, an optical element unit for the light, and a housing unit that holds the light source unit, the deflection unit, and the optical element unit. The housing unit includes a vibration isolator that isolates vibration transmitted from a vibration antinode where distribution of vibration in a sub direction perpendicular to a scanning direction of the light on the image surface of the photoconductor is maximum to at least one of seat face parts for the light source unit and the optical element unit having optical sensitivity in the sub direction, in a bottom face part of the housing unit, and a rigidity enhancer that increases rigidity of the seat face part.Type: GrantFiled: March 30, 2020Date of Patent: February 1, 2022Assignee: KONICA MINOLTA, INC.Inventors: Akira Taniyama, Masahiko Takahashi, Naoki Tajima, Takashi Kurosawa
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Publication number: 20200326533Abstract: An optical writing device performs writing by scanning an image surface of a photoconductor with light, and includes a light source unit including a light source that emits light, a deflection unit that deflects and scans the light, an optical element unit for the light, and a housing unit that holds the light source unit, the deflection unit, and the optical element unit. The housing unit includes a vibration isolator that isolates vibration transmitted from a vibration antinode where distribution of vibration in a sub direction perpendicular to a scanning direction of the light on the image surface of the photoconductor is maximum to at least one of seat face parts for the light source unit and the optical element unit having optical sensitivity in the sub direction, in a bottom face part of the housing unit, and a rigidity enhancer that increases rigidity of the seat face part.Type: ApplicationFiled: March 30, 2020Publication date: October 15, 2020Inventors: Akira TANIYAMA, Masahiko TAKAHASHI, Naoki TAJIMA, Takashi KUROSAWA
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Publication number: 20200159143Abstract: An optical writing device includes: a deflector that deflects and scans light; optical elements; and a housing that holds the deflector and the optical element, wherein a support plate of the housing has an enclosed inner region that is substantially surrounded by a vibration suppressor and a vibration transmission blocker and supports the deflector, and the support plate also has a flat portion having a peninsular shape facing the vibration transmission blocker in the enclosed inner region, and an element holder for at least one or more of the optical elements having optical sensitivity in a vibration direction of the housing is disposed outside the enclosed inner region.Type: ApplicationFiled: November 4, 2019Publication date: May 21, 2020Applicant: KONICA MINOLTA, INC.Inventors: Akira TANIYAMA, Masahiko TAKAHASHI, Naoki TAJIMA, Takashi KUROSAWA, Hajime TANIGUCHI
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Patent number: 10571824Abstract: In an optical writing device that deflects light beams from first and second light source sections and performs scanning by first and second scanning optical systems, in reflective optical elements disposed in the optical axis direction from after the polygon mirror to before a separation mirror, a number of hold points on each of a writing start side and a writing end side in scanning is same, and in reflective optical elements disposed from after the separation mirror up to a surface to be scanned, a number of hold points on a writing start side of the first scanning optical system is same (one) with that on a writing end side of the second scanning optical system, and a number of hold points on a writing end side of the first scanning optical system is same (two) with that on a writing start side of the second scanning optical system.Type: GrantFiled: November 28, 2018Date of Patent: February 25, 2020Assignee: KONICA MINOLTA, INC.Inventors: Akira Taniyama, Hideo Uemura, Takashi Kurosawa, Naoki Tajima
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Publication number: 20200029559Abstract: An object is to provide a high insect control effect on larvae of stored grain insect pests that occur in a deposit of grain powder, which have been difficult to control by conventional insecticide application or fumigant treatment, and make it possible to easily carry out control even in places that are difficult to clean to remove grain powder. A three-dimensional insect control sheet (10) contains an insect growth regulator at least in a front surface (1a) and has a three-dimensional surface that forms a structure with an irregular profile. The front surface (1a) is at least part of the surface with the irregular profile.Type: ApplicationFiled: March 1, 2018Publication date: January 30, 2020Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Kazuyo MIYAMOTO, Yoshito TANAKA, Osamu HOSHINA, Takashi KUROSAWA, Goro TAJIKA, Suguru IKUTA, Yuji UCHIDA, Atsushi SHIBAYAMA
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Patent number: 10345732Abstract: Provided is an image writing device including a deflector having deflective reflection surfaces for deflecting light flux emitted from a light source and a scanning imaging optical system that condenses the light flux as a light spot on a scanned surface of a latent image carrier, and performing optical scanning on the scanned surface at a constant speed, the image writing device further including: a surface detector that detects a deflective reflection surface that deflects the light flux; a storage that prestores a beam irradiation position in a sub scanning direction corresponding to each main image height on each of the deflective reflection surfaces; and a hardware processor that controls, on the basis of a beam irradiation position in the sub scanning direction corresponding to each main image height on the deflective reflection surface a light quantity of the light flux to be irradiated to the beam irradiation position.Type: GrantFiled: January 19, 2018Date of Patent: July 9, 2019Assignee: KONICA MINOLTA, INC.Inventors: Takashi Kurosawa, Naoki Tajima, Daisuke Kobayashi
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Publication number: 20190163088Abstract: In an optical writing device that deflects light beams from first and second light source sections and performs scanning by first and second scanning optical systems, in reflective optical elements disposed in the optical axis direction from after the polygon mirror to before a separation mirror, a number of hold points on each of a writing start side and a writing end side in scanning is same, and in reflective optical elements disposed from after the separation mirror up to a surface to be scanned, a number of hold points on a writing start side of the first scanning optical system is same (one) with that on a writing end side of the second scanning optical system, and a number of hold points on a writing end side of the first scanning optical system is same (two) with that on a writing start side of the second scanning optical system.Type: ApplicationFiled: November 28, 2018Publication date: May 30, 2019Inventors: Akira TANIYAMA, Hideo UEMURA, Takashi KUROSAWA, Naoki TAJIMA
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Patent number: 10145486Abstract: A drive device includes a drive member, a light source, a marker, a detector, a signal processor and a strain controller. The drive member includes at least a material which generates a plasmon. The drive member generates strain in response to input energy. The marker is formed on a surface of the drive member. Strain occurs in the marker in accordance with a deformation of the drive member and the marker reflects or transmits light emitted from the light source. The detector detects a light intensity of light reflected from or transmitted through the marker. The signal processor calculates an amount of strain which occurs in the marker based on the light intensity. The strain controller controls an amount of strain of the drive member based on the amount of strain calculated by the signal processor.Type: GrantFiled: January 20, 2017Date of Patent: December 4, 2018Assignee: KONICA MINOLTA, INC.Inventors: Kazuki Ikeda, Takashi Kurosawa, Hideo Uemura, Makoto Ooki
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Patent number: 10146218Abstract: A time synchronization signal for time series data collected from multiple controlling devices of a PID process is provided. An assistance device concurrently transmits a time confirmation signal to respective controlling devices in a predetermined time confirmation cycle, and the controlling devices forcibly output time confirmation data for synchronizing control data related to the respective controlling devices with each other as a manipulation variable in one control cycle immediately after receiving the time confirmation signal. The time confirmation data is an irregular value that is not outputted as a value of the manipulation variable in a control cycle during a steady control state.Type: GrantFiled: July 29, 2016Date of Patent: December 4, 2018Assignee: Azbil CorporationInventors: Masato Tanaka, Takashi Kurosawa
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Patent number: 10126673Abstract: A scanning optical apparatus includes a light source, a deflector and an imaging optical system. The deflector deflects a beam emitted from the light source to scan a scanning surface with the beam in a main scanning direction. The imaging optical system focuses the beam on the scanning surface. The imaging optical system includes a first lens having negative power in a sub scanning direction and a second lens having positive power in the sub scanning direction, in which the sub scanning direction is parallel to the scanning surface and perpendicular to the main scanning direction. The power ?1 of the first lens, the power ?2 of the second lens and a magnification ? in the sub scanning direction of the imaging optical system satisfy the conditions ?1.2??1/?2??0.9 and ?1.3????0.8.Type: GrantFiled: November 17, 2017Date of Patent: November 13, 2018Assignee: KONICA MINOLTA, INC.Inventors: Daisuke Kobayashi, Takashi Kurosawa, Naoki Tajima, Makoto Ooki, Hideo Uemura
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Publication number: 20180231911Abstract: Provided is an image writing device including a deflector having deflective reflection surfaces for deflecting light flux emitted from a light source and a scanning imaging optical system that condenses the light flux as a light spot on a scanned surface of a latent image carrier, and performing optical scanning on the scanned surface at a constant speed, the image writing device further including: a surface detector that detects a deflective reflection surface that deflects the light flux; a storage that prestores a beam irradiation position in a sub scanning direction corresponding to each main image height on each of the deflective reflection surfaces; and a hardware processor that controls, on the basis of a beam irradiation position in the sub scanning direction corresponding to each main image height on the deflective reflection surface a light quantity of the light flux to be irradiated to the beam irradiation position.Type: ApplicationFiled: January 19, 2018Publication date: August 16, 2018Inventors: Takashi KUROSAWA, Naoki TAJIMA, Daisuke KOBAYASHI
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Publication number: 20180157190Abstract: A scanning optical apparatus includes a light source, a deflector and an imaging optical system. The deflector deflects a beam emitted from the light source to scan a scanning surface with the beam in a main scanning direction. The imaging optical system focuses the beam on the scanning surface. The imaging optical system includes a first lens having negative power in a sub scanning direction and a second lens having positive power in the sub scanning direction, in which the sub scanning direction is parallel to the scanning surface and perpendicular to the main scanning direction. The power ?1 of the first lens, the power ?2 of the second lens and a magnification ? in the sub scanning direction of the imaging optical system satisfy the conditions ?1.2??1/?2??0.9 and ?1.3????0.8.Type: ApplicationFiled: November 17, 2017Publication date: June 7, 2018Inventors: Daisuke KOBAYASHI, Takashi KUROSAWA, Naoki TAJIMA, Makoto OOKI, Hideo UEMURA
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Publication number: 20170227934Abstract: A drive device includes a drive member, a light source, a marker, a detector, a signal processor and a strain controller. The drive member includes at least a material which generates a plasmon. The drive member generates strain in response to input energy. The marker is formed on a surface of the drive member. Strain occurs in the marker in accordance with a deformation of the drive member and the marker reflects or transmits light emitted from the light source. The detector detects a light intensity of light reflected from or transmitted through the marker. The signal processor calculates an amount of strain which occurs in the marker based on the light intensity. The strain controller controls an amount of strain of the drive member based on the amount of strain calculated by the signal processor.Type: ApplicationFiled: January 20, 2017Publication date: August 10, 2017Applicant: Konica Minolta, Inc.Inventors: Kazuki Ikeda, Takashi Kurosawa, Hideo Uemura, Makoto Ooki
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Publication number: 20170089832Abstract: Provided is a gas detection method using a localized surface plasmon sensor that can transmit, reflect, or scatter applied electromagnetic waves and that causes a change in a response spectrum of the applied electromagnetic waves due to interaction with a target to be detected, wherein the localized surface plasmon sensor includes at least an aggregate of particles having a core-shell structure composed of a core made of a substance having a maximum optical absorption peak wavelength due to surface plasmon resonances in an infrared region and a shell covering the core, the shell absorbs or reacts with the target to be detected to show a change in its refractive index, and the core has an average particle diameter D1 of 0.6 ?m or more but less than the maximum optical absorption peak wavelength of the core.Type: ApplicationFiled: August 19, 2016Publication date: March 30, 2017Applicant: KONICA MINOLTA, INC.Inventors: Hideo UEMURA, Kazuki IKEDA, Takashi KUROSAWA
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Publication number: 20170031342Abstract: A time synchronization signal for time series data collected from multiple controlling devices of a PID process is provided. An assistance device concurrently transmits a time confirmation signal to respective controlling devices in a predetermined time confirmation cycle, and the controlling devices forcibly output time confirmation data for synchronizing control data related to the respective controlling devices with each other as a manipulation variable in one control cycle immediately after receiving the time confirmation signal. The time confirmation data is an irregular value that is not outputted as a value of the manipulation variable in a control cycle during a steady control state.Type: ApplicationFiled: July 29, 2016Publication date: February 2, 2017Applicant: Azbil CorporationInventors: Masato TANAKA, Takashi KUROSAWA
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Publication number: 20160252345Abstract: A strain sensor includes a light source, a marker which is disposed on a measuring object so that light from the light source is reflected by or transmitted through the marker, a detector which detects the intensity of the light from the marker, and a signal processor which calculates a strain amount based on the detected light intensity. The marker is a flat film including first and second media having different refractive indexes. The second medium is periodically arrayed in the first medium and exists simultaneously with the first medium on a plane parallel to the marker mounting surface. The maximum length of the second medium in a direction parallel to the mounting surface is shorter than the wavelength of the emitted light. The first and second media deform in response to load in a direction parallel to the mounting surface.Type: ApplicationFiled: February 4, 2016Publication date: September 1, 2016Applicant: KONICA MINOLTA, INC.Inventors: Kazuki IKEDA, Takashi KUROSAWA, Hideo UEMURA
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Patent number: 9423243Abstract: A strain sensor includes a light source, a marker which is disposed on a measuring object so that light from the light source is reflected by or transmitted through the marker, a detector which detects the intensity of the light from the marker, and a signal processor which calculates a strain amount based on the detected light intensity. The marker is a flat film including first and second media having different refractive indexes. The second medium is periodically arrayed in the first medium and exists simultaneously with the first medium on a plane parallel to the marker mounting surface. The maximum length of the second medium in a direction parallel to the mounting surface is shorter than the wavelength of the emitted light. The first and second media deform in response to load in a direction parallel to the mounting surface.Type: GrantFiled: February 4, 2016Date of Patent: August 23, 2016Assignee: KONICA MINOLTA, INC.Inventors: Kazuki Ikeda, Takashi Kurosawa, Hideo Uemura
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Patent number: 8953194Abstract: An image forming apparatus includes: an image reading mechanism configured to read an image from a document; an image forming mechanism configured to print the image read by the image reading mechanism on a recording sheet; and an image inspection mechanism configured to read the image printed on the recording sheet in the image forming mechanism. The image reading mechanism and the image inspection mechanism each include: a light source configured to irradiate a reading target with light; and a solid-state image sensing device on which reflected light from the reading target is made incident, and configured to perform photoelectric conversion operation. Light emitting members forming the light sources of the image reading mechanism and the image inspection mechanism have the same spectral characteristics.Type: GrantFiled: December 17, 2013Date of Patent: February 10, 2015Assignee: Konica Minolta, Inc.Inventors: Akira Yamamura, Makoto Ooki, Takashi Kurosawa, Hideo Uemura, Masahiko Takahashi, Kazuki Ikeda