Patents by Inventor Takahiro Kamikawa
Takahiro Kamikawa 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: 12136238Abstract: In an embodiment, a processing device relating to an inspection of an inspection object by a photography unit is provided. A processor of the processing device calculates a plurality of photography points as positions photographing the inspection object based on shape data in which a shape of a surface of the inspection object is indicated by a point group, and information relating to a position and a normal vector on the surface of the inspection object is defined by the point group. The processor executes analysis regarding a path that passes through all of the calculated photography points and minimizes a sum of a movement cost from each of the photography points to a photography point of a next movement destination, and calculates a path corresponding to an analysis result as a path for moving the photography unit.Type: GrantFiled: February 18, 2022Date of Patent: November 5, 2024Assignee: Kabushiki Kaisha ToshibaInventors: Nobukatsu Sugiyama, Junichiro Ooga, Yoshiyuki Ishihara, Junji Oaki, Hiroshi Ohno, Hideaki Okano, Hiroya Kano, Takahiro Kamikawa
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Publication number: 20240319078Abstract: According to an embodiment, an optical inspection method includes: causing a wavelength selection portion to selectively pass light components including at least two different wavelength spectra from an object point and causing an imaging portion including at least two color channels configured to receive the light components of the wavelength spectra to capture the object point; defining the light components of the at least two different wavelength spectra as signal vectors having different directions based on light reception data in the at least two color channels for the object point; and estimating spread of a direction distribution of light at the object point based on the directions of the signal vectors.Type: ApplicationFiled: September 11, 2023Publication date: September 26, 2024Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA INFORMATION SYSTEMS (JAPAN) CORPORATIONInventors: Hiroshi OHNO, Hiroya KANO, Takahiro KAMIKAWA, Hideaki OKANO, Sayuri SUZUKI, Chisa HIRAKAWA, Akifumi OHNO, Yoshiaki TAKAGI
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Publication number: 20240319111Abstract: According to one embodiment, an optical inspection method includes projecting first pattern light in a first basic modulation mode that periodically changes in bright and dark, onto an object, acquiring a first image by capturing an image of the object onto which the first pattern light has been projected, projecting second pattern light in a first inverted modulation mode in which bright and dark are inverted with respect to the first basic modulation mode, onto the object, acquiring a second image by capturing an image of the object onto which the second pattern light has been projected, and generating a singular light-scattered image in which a singular region including uniquely-scattered light that is extracted based at least on the first image and the second image is intensified.Type: ApplicationFiled: October 25, 2023Publication date: September 26, 2024Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Hiroshi OHNO, Hideaki OKANO, Kenta TAKANASHI, Takahiro KAMIKAWA, Hiroya KANO
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Publication number: 20240213559Abstract: A failure of battery modules is reliably determined. A power supply device includes: battery modules (2) each of which included a failure determination unit (21) configured to determine a failure and a normality and to output the failure and the normality as a High signal and a low signal; a failure transmission line (3) connected to the failure determination unit (21) of each battery module (2); and a module failure determination circuit (1) connected to the failure transmission line (3) and configured to determine failure and normality of the battery modules (2).Type: ApplicationFiled: March 24, 2021Publication date: June 27, 2024Applicant: SANYO Electric Co., Ltd.Inventors: Jeewook CHANG, Takahiro KAMIKAWA
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Patent number: 11977182Abstract: According to one embodiment, an optical imaging apparatus includes a polarizer assembly, a polarization image sensor, and a lens assembly. The polarizer assembly is configured to acquire a first light ray of a first polarization component and a second light ray of a second polarization component which is different from the first polarization component, by using a light flux from an identical direction. The polarization image sensor is located in a position facing the polarizer assembly. The polarization image sensor is configured to acquire an image of the first polarization component and an image of the second polarization component at once or at the same time. The lens assembly includes a first lens configured to form the images on the polarization image sensor.Type: GrantFiled: February 28, 2020Date of Patent: May 7, 2024Assignee: Kabushiki Kaisha ToshibaInventors: Hiroshi Ohno, Hiroya Kano, Hideaki Okano, Takahiro Kamikawa
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Publication number: 20230304929Abstract: According to the embodiment, an optical inspection method includes: acquiring an image by capturing the image, using light from a surface of an object, which passes through a wavelength selection portion configured to selectively pass light components of a plurality of predetermined wavelengths different from each other, the image sensor including color channels configured to discriminately receive the light components of the plurality of predetermined wavelengths, performing color count estimation processing configured to estimate the number of colors based on the intensity ratio of the color channels that have received the light in each pixel of the image, and performing scattered light distribution identification processing configured to identify a scattered light distribution as BRDF from the surface of the object based on the number of colors or surface state identification processing configured to identify a state of the surface of the object based on the number of colors.Type: ApplicationFiled: September 1, 2022Publication date: September 28, 2023Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Hiroshi OHNO, Hiroya KANO, Hideaki OKANO, Takahiro KAMIKAWA
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Publication number: 20230099799Abstract: Operating electric power is preferably supplied to a battery assembly control circuit from both a power converting device and a battery module. An electricity storage device includes a battery module including battery cells and a battery assembly control circuit, and a power converting device configured to charge the battery module with a commercial power supply and to supply electric power to a load. The power converting device supplies electric power to the battery assembly control circuit while an output voltage of the power converting device is higher than a predetermined voltage. The battery module starts to supply operating electric power to the battery assembly control circuit upon detecting that the electric power from the power converting device starts to be supplied to the battery assembly control circuit. The battery module stops supplying the electric power to the battery assembly control circuit when the battery module stops being discharged.Type: ApplicationFiled: March 24, 2021Publication date: March 30, 2023Applicant: SANYO Electric Co., Ltd.Inventors: Jeewook Chang, Takahiro Kamikawa
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Publication number: 20230077793Abstract: According to the embodiment, an optical inspection method for a surface state of a subject includes acquiring and discriminating. The acquiring includes acquiring a color vector of a color corresponding to a wavelength spectrum in a color coordinate system of n dimensions (n is a natural number equal to or larger than 1), which is equal to or smaller than a number of a plurality of color channels of pixels of an image sensor, with optical imaging using a wavelength spectrum selection portion that selectively allows a plurality of wavelength spectra different from one another from a surface of the subject to pass. The discriminating includes discriminating the surface state of the subject based on a direction of the color vector in the color coordinate system.Type: ApplicationFiled: February 25, 2022Publication date: March 16, 2023Applicants: KABUSHIKI KAISHA TOSHIBA, Toshiba Digital Solutions CorporationInventors: Hiroshi OHNO, Hiroya KANO, Takahiro KAMIKAWA, Hideaki OKANO, Akifumi Ohno, Akio KAWASAKI, Toshihiro KIKKAWA
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Publication number: 20230071341Abstract: In an embodiment, a processing device relating to an inspection of an inspection object by a photography unit is provided. A processor of the processing device calculates a plurality of photography points as positions photographing the inspection object based on shape data in which a shape of a surface of the inspection object is indicated by a point group, and information relating to a position and a normal vector on the surface of the inspection object is defined by the point group. The processor executes analysis regarding a path that passes through all of the calculated photography points and minimizes a sum of a movement cost from each of the photography points to a photography point of a next movement destination, and calculates a path corresponding to an analysis result as a path for moving the photography unit.Type: ApplicationFiled: February 18, 2022Publication date: March 9, 2023Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Nobukatsu Sugiyama, Junichiro Ooga, Yoshiyuki Ishihara, Junji Oaki, Hiroshi Ohno, Hideaki Okano, Hiroya Kano, Takahiro Kamikawa
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Patent number: 11415510Abstract: According to one embodiment, an optical inspection apparatus includes a first illuminator, an image-forming optical system, a scattering light selector, and an imaging element. The first illuminator is configured to emit a first light beam. The first light beam reflected by an object is incident on the image-forming optical system. The scattering light selector is configured to emit passing light beams of at least two mutually different wavelength regions, at the same time as the first light beam passes, a wavelength spectrum of at least one of the passing light beams being different from a wavelength spectrum of the reflected first light beam. The passing light beams simultaneously form an image on the imaging element.Type: GrantFiled: August 31, 2020Date of Patent: August 16, 2022Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Hiroshi Ohno, Hiroya Kano, Hideaki Okano, Takahiro Kamikawa
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Patent number: 11249028Abstract: An apparatus for inspecting object surface according to an embodiment includes: an imaging device including an imaging area; an optical source; and a group of optical devices including a mirror and a lens, and causing a reflected light other than a regular reflection light from an object to be reflected by a mirror surface of the mirror, and to form an image in the imaging area of the imaging device through the lens, the regular reflection light being caused by a light incident to a surface of the object from the optical source, wherein the optical source, the mirror, the lens, and the imaging device are arranged in such a manner that the regular reflection light is not incident to the imaging area of the imaging device through the mirror and the lens.Type: GrantFiled: October 26, 2020Date of Patent: February 15, 2022Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Takahiro Kamikawa, Hiroshi Ohno, Takehiro Hato
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Patent number: 11056724Abstract: In a power storage system, each of a plurality of power storage modules includes at least one cell, and the plurality of power storage modules are connected in series. A management device manages the plurality of power storage modules. Each of the plurality of power storage modules contains a first insulation unit having a primary side and a secondary side that are insulated from each other. The first insulation unit outputs a signal containing information of at least one cell to a communication line. The signal is referenced to predetermined standard voltage between a voltage at one end and a voltage at the other end of the plurality of power storage modules. The management device contains a second insulation unit having a primary side and a secondary side that are insulated from each other, and a circuit unit insulated from the communication line by the second insulation unit.Type: GrantFiled: August 21, 2017Date of Patent: July 6, 2021Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Yuta Kurosaki, Takahiro Kamikawa, Etsushi Aga
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Patent number: 11050288Abstract: In a storage-battery control system, an insulating communication unit couples a controller to a battery module constituting a storage battery unit that outputs a predetermined high voltage value. A power supply line is further provided for supplying electric power output from a controller DC/DC, i.e., a controller-side voltage converter for the controller, to the battery module, so that electric power is collectively supplied via the power supply line to a module CPU and a module-side insulating circuit both consuming electric power in the battery module. A secondary battery in the battery module supplies electric power to only a cell-voltage detector.Type: GrantFiled: July 12, 2019Date of Patent: June 29, 2021Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Takahiro Kamikawa, Masayuki Kobayashi, Takayuki Mino
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Publication number: 20210131961Abstract: According to one embodiment, an optical inspection apparatus includes a first illuminator, an image-forming optical system, a scattering light selector, and an imaging element. The first illuminator is configured to emit a first light beam. The first light beam reflected by an object is incident on the image-forming optical system. The scattering light selector is configured to emit passing light beams of at least two mutually different wavelength regions, at the same time as the first light beam passes, a wavelength spectrum of at least one of the passing light beams being different from a wavelength spectrum of the reflected first light beam. The passing light beams simultaneously form an image on the imaging element.Type: ApplicationFiled: August 31, 2020Publication date: May 6, 2021Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Hiroshi OHNO, Hiroya KANO, Hideaki OKANO, Takahiro KAMIKAWA
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Publication number: 20210080543Abstract: According to one embodiment, an optical imaging apparatus includes a polarizer assembly, a polarization image sensor, and a lens assembly. The polarizer assembly is configured to acquire a first light ray of a first polarization component and a second light ray of a second polarization component which is different from the first polarization component, by using a light flux from an identical direction. The polarization image sensor is located in a position facing the polarizer assembly. The polarization image sensor is configured to acquire an image of the first polarization component and an image of the second polarization component at once or at the same time. The lens assembly includes a first lens configured to form the images on the polarization image sensor.Type: ApplicationFiled: February 28, 2020Publication date: March 18, 2021Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Hiroshi OHNO, Hiroya KANO, Hideaki OKANO, Takahiro KAMIKAWA
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Publication number: 20210041372Abstract: An apparatus for inspecting object surface according to an embodiment includes: an imaging device including an imaging area; an optical source; and a group of optical devices including a mirror and a lens, and causing a reflected light other than a regular reflection light from an object to be reflected by a mirror surface of the mirror, and to form an image in the imaging area of the imaging device through the lens, the regular reflection light being caused by a light incident to a surface of the object from the optical source, wherein the optical source, the mirror, the lens, and the imaging device are arranged in such a manner that the regular reflection light is not incident to the imaging area of the imaging device through the mirror and the lens.Type: ApplicationFiled: October 26, 2020Publication date: February 11, 2021Applicant: Kabushiki Kaisha ToshibaInventors: Takahiro KAMIKAWA, Hiroshi OHNO, Takehiro HATO
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Patent number: 10901134Abstract: According to one embodiment, an optical inspection apparatus including: an imaging optical system; one or more light sources; a light guide which extends cylindrically along an optical axis of the imaging optical system and whose end face is opposed to the one or more light sources; a total reflecting surface formed on an inner surface of the light guide to totally internally reflect light struck into the light guide from the end face; a mirror surface formed on an outer surface of the light guide to reflect light struck into the light guide from the one or more light sources, toward the inspection target; and a transmission surface formed on the inner surface of the light guide to transmit the light reflected by the mirror surface, toward the inspection target.Type: GrantFiled: February 28, 2019Date of Patent: January 26, 2021Assignee: Kabushiki Kaisha ToshibaInventors: Hiroshi Ohno, Takahiro Kamikawa, Takehiro Hato, Hiroya Kano
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Patent number: 10852243Abstract: An apparatus for inspecting object surface according to an embodiment includes: an imaging device including an imaging area; an optical source; and a group of optical devices including a mirror and a lens, and causing a reflected light other than a regular reflection light from an object to be reflected by a mirror surface of the mirror, and to form an image in the imaging area of the imaging device through the lens, the regular reflection light being caused by a light incident to a surface of the object from the optical source, wherein the optical source, the mirror, the lens, and the imaging device are arranged in such a manner that the regular reflection light is not incident to the imaging area of the imaging device through the mirror and the lens.Type: GrantFiled: September 4, 2018Date of Patent: December 1, 2020Assignee: Kabushiki Kaisha ToshibaInventors: Takahiro Kamikawa, Hiroshi Ohno, Takehiro Hato
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Patent number: 10680292Abstract: In each of battery modules (120) of a battery block (100) configuring a battery management system (10), a first insulating device having a first insulation distance is disposed between a first region (132) in which a battery side controller (146) is installed and a second region (134) in which a first communication unit (150) is installed. In a control device (200) coupled to the battery block (100) with a communication line, a second insulating device (234) having a second insulation distance is disposed between a relay region (222) and a third region (220) in which a second communication unit is installed, and a third insulating device (236) having a third insulation distance is disposed between the relay region (222) and a fourth region (224) in which a control controller unit (238) is installed.Type: GrantFiled: February 17, 2017Date of Patent: June 9, 2020Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Yuta Kurosaki, Takahiro Kamikawa, Etsushi Aga
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Patent number: 10644360Abstract: A battery management system includes a circuit board having a first region provided with a voltage measuring unit, a second region provided with a controller, a relay region that is disposed at a first insulation distance from the first region and at a second insulation distance from the second region, and a third region provided with an interface connecting unit. The third region is disposed at a third insulation distance from the second region. The third insulation distance is shorter than each of the first and the second insulation distances. The battery management system further includes a first insulating device connecting between the first region and the relay region, a second insulating device connecting between the relay region and the second region, and a third insulating device connecting between the second region and the third region.Type: GrantFiled: November 30, 2016Date of Patent: May 5, 2020Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Yuta Kurosaki, Takahiro Kamikawa, Etsushi Aga