Patents by Inventor Hirokazu Ichikawa

Hirokazu Ichikawa 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).

  • Patent number: 11941795
    Abstract: A surface inspection apparatus includes an imaging device configured to image a surface of an object to be inspected, and a processor configured to: calculate a numerical value representing a quality of the surface by processing an image captured by the imaging device, and receive a change in a range used to calculate the numerical value indicated by an index in the image.
    Type: Grant
    Filed: November 3, 2021
    Date of Patent: March 26, 2024
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Takashi Hiramatsu, Kaito Tasaki, Kiyofumi Aikawa, Miho Uno, Hirokazu Ichikawa, Yoshitaka Kuwada
  • Patent number: 11892416
    Abstract: A surface inspection apparatus includes an imaging device configured to image a surface of an object to be inspected, and a processor configured to: calculate a numerical value representing a quality of the surface by processing an image captured by the imaging device, and notify a user of information indicating a relationship between a first orientation of a pattern on the surface detected from the image and a second orientation that gives a direction of imaging in which a sensitivity of detection by the imaging device is high.
    Type: Grant
    Filed: November 2, 2021
    Date of Patent: February 6, 2024
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Kiyofumi Aikawa, Takashi Hiramatsu, Kaito Tasaki, Miho Uno, Hirokazu Ichikawa, Hiroko Onuki, Yoshitaka Kuwada
  • Publication number: 20230390846
    Abstract: A jet soldering apparatus has a first housing; a first supply port provided on the first housing and configured to provide molten solder; a second housing; and a second supply port provided on the second housing and configured to provide the molten solder. The molten solder supplied from the first supply port and the molten solder supplied from the second supply port are mixed. The mixed molten solder is not separated from a substrate conveyed by a conveyance unit between the first supply port and the second supply port.
    Type: Application
    Filed: May 9, 2022
    Publication date: December 7, 2023
    Inventors: Hirokazu ICHIKAWA, Kenichi TOMITSUKA
  • Patent number: 11710225
    Abstract: The disclosure provides a surface inspection apparatus for inspecting a surface of an object, a non-transitory computer readable medium thereof, and a surface inspection method thereof. According to an aspect of the disclosure, the surface inspection apparatus includes an imaging device configured to image a surface of an object to be inspected, and a processor configured to calculate a numerical value representing a quality of the surface by processing an image captured by the imaging device, and display, on a display device, the image including an index for specifying a position of a portion that has contributed to the calculation of the numerical value and the numerical value.
    Type: Grant
    Filed: October 31, 2021
    Date of Patent: July 25, 2023
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Takashi Hiramatsu, Kaito Tasaki, Kiyofumi Aikawa, Miho Uno, Hirokazu Ichikawa, Hiroko Onuki, Yoshitaka Kuwada
  • Publication number: 20230089064
    Abstract: A surface inspection apparatus includes an imaging device that images a surface of an object to be inspected, and a processor configured to: calculate an evaluation value of a texture of the object through processing of an image imaged by the imaging device; and detect reflection of a cause of erroneous calculation of the image within a specific range based on at least brightness information of the image.
    Type: Application
    Filed: February 6, 2022
    Publication date: March 23, 2023
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Kiyofumi AIKAWA, Takashi HIRAMATSU, Kaito TASAKI, Miho UNO, Hirokazu ICHIKAWA, Hiroko ONUKI, Yoshitaka KUWADA
  • Publication number: 20220392050
    Abstract: A surface inspection apparatus includes an imaging device configured to image a surface of an object to be inspected, and a processor configured to: calculate a numerical value representing a quality of the surface by processing an image captured by the imaging device, and receive a change in a range used to calculate the numerical value indicated by an index in the image.
    Type: Application
    Filed: November 3, 2021
    Publication date: December 8, 2022
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Takashi HIRAMATSU, Kaito TASAKI, Kiyofumi AIKAWA, Miho UNO, Hirokazu ICHIKAWA, Yoshitaka KUWADA
  • Publication number: 20220390385
    Abstract: A surface inspection apparatus includes an imaging device configured to image a surface of an object to be inspected, and a processor configured to: calculate a numerical value representing a quality of the surface by processing an image captured by the imaging device, and notify a user of information indicating a relationship between a first orientation of a pattern on the surface detected from the image and a second orientation that gives a direction of imaging in which a sensitivity of detection by the imaging device is high.
    Type: Application
    Filed: November 2, 2021
    Publication date: December 8, 2022
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Kiyofumi AIKAWA, Takashi HIRAMATSU, Kaito TASAKI, Miho UNO, Hirokazu ICHIKAWA, Hiroko ONUKI, Yoshitaka KUWADA
  • Publication number: 20220392052
    Abstract: A surface inspection apparatus includes an imaging device configured to image a surface of an object to be inspected, and a processor configured to calculate a numerical value representing a quality of the surface by processing an image captured by the imaging device, and display, on a display device, the image including an index for specifying a position of a portion that has contributed to the calculation of the numerical value and the numerical value.
    Type: Application
    Filed: October 31, 2021
    Publication date: December 8, 2022
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Takashi HIRAMATSU, Kaito TASAKI, Kiyofumi AIKAWA, Miho UNO, Hirokazu ICHIKAWA, Hiroko ONUKI, Yoshitaka KUWADA
  • Patent number: 11496631
    Abstract: A measurement apparatus includes a light irradiator that irradiates a measurement target with light and a processor that controls the light irradiator, in which the processor is configured to irradiate a specific place of the measurement target with the light from plural places having different positions in one direction, and irradiate the specific place of the measurement target with the light from the plural places having different positions in a direction intersecting the one direction.
    Type: Grant
    Filed: May 18, 2021
    Date of Patent: November 8, 2022
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Takashi Hiramatsu, Jungo Harigai, Hirokazu Ichikawa, Yoshitaka Kuwada
  • Publication number: 20220291137
    Abstract: A surface inspection apparatus includes an imaging device that images a portion of an object to be inspected, a first light source that is included in multiple light sources that illuminate the portion and that is configured such that a light component that is included in light emitted from the first light source and that is reflected by specular reflection from the portion to be inspected is a principal light component that is incident on the imaging device, and a second light source that is included in the multiple light sources and that is disposed opposite the first light source with an optical axis of the imaging device interposed therebetween such that a light component that is reflected by diffuse reflection from the portion to be inspected is a principal light component that is incident on the imaging device.
    Type: Application
    Filed: July 21, 2021
    Publication date: September 15, 2022
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Takashi HIRAMATSU, Kaito TASAKI, Kiyofumi AIKAWA, Miho UNO, Hiroko ONUKI, Hirokazu ICHIKAWA, Yoshitaka KUWADA
  • Publication number: 20220124205
    Abstract: A measurement apparatus includes a light irradiator that irradiates a measurement target with light and a processor that controls the light irradiator, in which the processor is configured to irradiate a specific place of the measurement target with the light from plural places having different positions in one direction, and irradiate the specific place of the measurement target with the light from the plural places having different positions in a direction intersecting the one direction.
    Type: Application
    Filed: May 18, 2021
    Publication date: April 21, 2022
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Takashi HIRAMATSU, Jungo HARIGAI, Hirokazu ICHIKAWA, Yoshitaka KUWADA
  • Patent number: 10606545
    Abstract: A display apparatus includes a diffuse reflection image acquiring unit, a specular reflection image acquiring unit, a difference image acquiring unit, a reflectance distribution function calculating unit, and a display. The diffuse reflection image acquiring unit acquires a diffuse reflection image of an object surface. The specular reflection image acquiring unit acquires a specular reflection image of the object surface. The difference image acquiring unit acquires a difference image between the diffuse reflection image and the specular reflection image. The reflectance distribution function calculating unit calculates a reflectance distribution function of the object surface by using the diffuse reflection image and the difference image. The display displays a reflection color of the object surface in accordance with a change of orientation of the object surface by using the reflectance distribution function.
    Type: Grant
    Filed: May 21, 2018
    Date of Patent: March 31, 2020
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Yoshitaka Kuwada, Jungo Harigai, Hirokazu Ichikawa, Ryosuke Higashikata
  • Publication number: 20190129674
    Abstract: A display apparatus includes a diffuse reflection image acquiring unit, a specular reflection image acquiring unit, a difference image acquiring unit, a reflectance distribution function calculating unit, and a display. The diffuse reflection image acquiring unit acquires a diffuse reflection image of an object surface. The specular reflection image acquiring unit acquires a specular reflection image of the object surface. The difference image acquiring unit acquires a difference image between the diffuse reflection image and the specular reflection image. The reflectance distribution function calculating unit calculates a reflectance distribution function of the object surface by using the diffuse reflection image and the difference image. The display displays a reflection color of the object surface in accordance with a change of orientation of the object surface by using the reflectance distribution function.
    Type: Application
    Filed: May 21, 2018
    Publication date: May 2, 2019
    Applicant: FUJI XEROX CO.,LTD.
    Inventors: Yoshitaka KUWADA, Jungo HARIGAI, Hirokazu ICHIKAWA, Ryosuke HIGASHIKATA
  • Patent number: 9372551
    Abstract: An image reading apparatus includes: a light source that irradiates light; a switching unit that switches a direction of the light irradiated by the light source to one of a plurality of predetermined directions; a light guiding unit that guides the light whose direction is switched by the switching unit and that travels in one of the plurality of directions to a position predetermined for each of the directions; and a light sensor that, in a case where an object is in the predetermined position, measures light reflect by the object out of the light guided to the position by the light guiding unit.
    Type: Grant
    Filed: September 14, 2009
    Date of Patent: June 21, 2016
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Yasuhiro Ogasawara, Shin Takeuchi, Eisuke Osakabe, Eigo Nakagawa, Hirokazu Ichikawa, Kazushige Ooi, Hidenobu Takahira
  • Patent number: 8643916
    Abstract: A reading device includes a first illuminating section that illuminates a reading area with first illumination light of a first direction; a second illuminating section that illuminates the reading area with second illumination light of a second direction; a light-receiving section that receives reflection light of the first illumination light and reflection light of the second illumination light reflected from the reading area, the first illumination light being applied from the first illuminating section and the second illumination light being applied from the second illuminating section; and reflecting members that are disposed side by side in the reading area in a widthwise direction thereof, and that have first and second reflecting surfaces.
    Type: Grant
    Filed: May 25, 2012
    Date of Patent: February 4, 2014
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Hirokazu Ichikawa, Yoshiro Yamaguchi, Eigo Nakagawa, Jiro Matsuda
  • Patent number: 8446646
    Abstract: A light guide includes: a body which is a light-transmitting member and has light incidence surfaces as two end surfaces in a longitudinal direction and a light output surface which is one of side surfaces extending in the longitudinal direction; and light absorbing members which are provided on the light output surface or at least one, adjacent to the light output surface, of the side surfaces of the body and have a function of absorbing light that shines on the body from outside the body.
    Type: Grant
    Filed: February 3, 2011
    Date of Patent: May 21, 2013
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Yoshiro Yamaguchi, Hirokazu Ichikawa, Akihiko Naya
  • Publication number: 20130120808
    Abstract: A reading device includes a first illuminating section that illuminates a reading area with first illumination light of a first direction; a second illuminating section that illuminates the reading area with second illumination light of a second direction; a light-receiving section that receives reflection light of the first illumination light and reflection light of the second illumination light reflected from the reading area, the first illumination light being applied from the first illuminating section and the second illumination light being applied from the second illuminating section; and reflecting members that are disposed side by side in the reading area in a widthwise direction thereof, and that have first and second reflecting surfaces.
    Type: Application
    Filed: May 25, 2012
    Publication date: May 16, 2013
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Hirokazu ICHIKAWA, Yoshiro YAMAGUCHI, Eigo NAKAGAWA, Jiro MATSUDA
  • Patent number: 8422084
    Abstract: There is provided an image processing apparatus includes a spectral reflectance calculation unit that calculates spectral reflectances respectively in plural wavelength ranges, based on intensity of reflected light from an object to be imaged and irradiation intensity of light that the object to be imaged is irradiated with; a determination unit that obtains derivatives of a function represented on the basis of the spectral reflectances calculated by the spectral reflectance calculation unit, and determines a number of eigenvectors, depending on whether the derivatives are positive or negative; a coefficient calculation unit that calculates coefficients where the spectral reflectances are expressed by linear combination of the number of eigenvectors and the coefficients respectively related to the eigenvectors, the number of eigenvectors being determined by the determination unit; and an output unit that outputs the coefficients calculated by the coefficient calculation unit.
    Type: Grant
    Filed: June 5, 2007
    Date of Patent: April 16, 2013
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Fumio Nakaya, Hirokazu Ichikawa
  • Patent number: 8305649
    Abstract: A reading device comprises: an irradiating unit that irradiates light onto a medium; an image forming unit that forms an image from irradiated light reflected from the medium; and an adjusting unit that causes an optical axis of irradiated light to be adjusted, under influence of weight of the irradiating unit, with respect to an optical axis of reflected light that occurs when the image forming unit forms an image of the reflected light.
    Type: Grant
    Filed: September 3, 2009
    Date of Patent: November 6, 2012
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Hirokazu Ichikawa, Shin Takeuchi, Eisuke Osakabe
  • Patent number: 8186563
    Abstract: To enable the circuit board to be fixed on a predetermined position and to be conveyed to the solder processing portion. Conveying hooks 10 that hold the printed circuit board W1 therebetween, conveying chains 15a, 15b that drive so that the conveying hooks 10 are movable from a heater part 4 to a solder bath 5, first frames 9A that guide the conveying chains 15a, 15b along the heater part 4, second frames 9B that guide the conveying chain 15 along the solder bath 5, and an absorbing member 124 that is provided between each of the first frames 9A and each of the second frames 9B and absorbs an expansion and contraction based on difference of any thermal expansion between the frames 9A, 9B and the conveying chains 15a, 15b are provided. Since the absorbing member 124 absorbs the expansion and contraction based on difference of any thermal expansion between the frames 9A, 9B and the conveying chains 15a, 15b, it is possible to prevent the conveying chains 15a, 15b from being deviated from the frames 9A, 9B.
    Type: Grant
    Filed: January 26, 2010
    Date of Patent: May 29, 2012
    Assignee: Senju Metal Industry Co., Ltd.
    Inventors: Takashi Sugihara, Takashi Usuba, Hirokazu Ichikawa, Toshihiko Mutsuji