Patents by Inventor Motoki Tagawa

Motoki Tagawa 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: 10058294
    Abstract: A radiation imaging system includes a housing containing a plurality of radiation imaging devices each including a radiation detecting panel having a two-dimensional matrix of pixels and arranged to convert applied radiation to an image signal, a plurality of retainers configured to position and retain the plurality of radiation imaging devices so that parts of the respective radiation imaging devices spatially overlap as viewed from an irradiation side, and a unit configured to acquire a radiographic image on the basis of image signals from the respective radiation imaging devices. The plurality of retainers are configured to retain the plurality of radiation imaging devices in areas other than effective pixel areas of the respective radiation imaging devices.
    Type: Grant
    Filed: January 26, 2016
    Date of Patent: August 28, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventor: Motoki Tagawa
  • Patent number: 10058299
    Abstract: In a radiation imaging system, which obtains a radiation image of an object based on a plurality of image signals, includes a radiation imaging apparatus, which includes a plurality of pixels arranged in a two-dimensional matrix, configured to convert an irradiated radiation transmitted through an object into an image signal serving as a partial image of the object. In the radiation imaging system, a holding unit for holding the radiation imaging apparatus holds the radiation imaging apparatus to be movable in a direction intersecting a direction in which positions to obtain a plurality of partial images are arranged.
    Type: Grant
    Filed: March 22, 2016
    Date of Patent: August 28, 2018
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Motoki Tagawa, Akiya Nakayama
  • Patent number: 9974499
    Abstract: A radiation imaging system includes: multiple radiation imaging apparatuses each including a radiation detecting panel and an enclosure enveloping the radiation detecting panel. The multiple radiation imaging apparatuses are arrayed so that a part of each of the radiation imaging apparatuses spatially overlap as seen from a radiation irradiation side, and a radiation image is acquired based on image signals from each of the multiple radiation imaging apparatuses. The enclosure of at least one radiation imaging apparatus of the multiple radiation imaging apparatuses is formed so that a radiation transmittance of the enclosure which defines the overlapping region is higher than a radiation transmittance of the enclosure which defines a different region.
    Type: Grant
    Filed: September 28, 2017
    Date of Patent: May 22, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventors: Motoki Tagawa, Kensuke Kobayashi, Hidetomo Suwa, Masataka Suzuki
  • Patent number: 9968311
    Abstract: A radiation imaging system includes a holding unit configured to hold a plurality of radiation imaging apparatuses configured to convert radiation emitted onto the plurality of radiation imaging apparatuses into image signals. The radiation imaging system is configured to obtain a long radiographic image based on the image signals respectively from the plurality of radiation imaging apparatuses. The holding unit is configured to hold the plurality of radiation imaging apparatuses having imaging areas of different sizes, in such a manner that the plurality of radiation imaging apparatuses is partially overlapped with each other spatially, by a predetermined overlapping area as viewed from a radiation incident side.
    Type: Grant
    Filed: March 28, 2016
    Date of Patent: May 15, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventors: Motoki Tagawa, Masataka Suzuki, Ryo Suzaki, Shichihei Sakuragi
  • Publication number: 20180092618
    Abstract: A radiographic imaging apparatus includes a sensor panel, a sound emitting member that provides notification of a state via sound, a casing that contains the sensor panel and the sound emitting member, where the casing includes a first sound transmission hole and a sound transmission member that covers the first sound transmission hole, where the sound transmission member includes a second sound transmission hole with a smaller diameter than a diameter of the first sound transmission hole. The radiographic imaging apparatus includes a detection unit that detects information related to an installed state of the radiographic imaging apparatus and a control unit that controls a volume of the emitted sound based on the detected information.
    Type: Application
    Filed: September 28, 2017
    Publication date: April 5, 2018
    Inventors: Motoki Tagawa, Takahiro Koyanagi, Youjirou Hiratsuka, Satoru Omura, Katsushi Kato
  • Publication number: 20180028135
    Abstract: A radiation imaging system includes: multiple radiation imaging apparatuses each including a radiation detecting panel and an enclosure enveloping the radiation detecting panel. The multiple radiation imaging apparatuses are arrayed so that a part of each of the radiation imaging apparatuses spatially overlap as seen from a radiation irradiation side, and a radiation image is acquired based on image signals from each of the multiple radiation imaging apparatuses. The enclosure of at least one radiation imaging apparatus of the multiple radiation imaging apparatuses is formed so that a radiation transmittance of the enclosure which defines the overlapping region is higher than a radiation transmittance of the enclosure which defines a different region.
    Type: Application
    Filed: September 28, 2017
    Publication date: February 1, 2018
    Inventors: Motoki Tagawa, Kensuke Kobayashi, Hidetomo Suwa, Masataka Suzuki
  • Patent number: 9801596
    Abstract: A radiation imaging system includes: multiple radiation imaging apparatuses each including a radiation detecting panel and an enclosure enveloping the radiation detecting panel. The multiple radiation imaging apparatuses are arrayed so that a part of each of the radiation imaging apparatuses spatially overlap as seen from a radiation irradiation side, and a radiation image is acquired based on image signals from each of the multiple radiation imaging apparatuses. The enclosure of at least one radiation imaging apparatus of the multiple radiation imaging apparatuses is formed so that a radiation transmittance of the enclosure which defines the overlapping region is higher than a radiation transmittance of the enclosure which defines a different region.
    Type: Grant
    Filed: December 2, 2015
    Date of Patent: October 31, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventors: Motoki Tagawa, Kensuke Kobayashi, Hidetomo Suwa, Masataka Suzuki
  • Patent number: 9543694
    Abstract: An X-ray imaging system includes an X-ray imaging apparatus for converting an X-ray into an image signal, a cable for transmitting signals to the X-ray imaging apparatus, a connector, disposed at an end of the cable, for connecting the cable and the X-ray imaging apparatus, and fixing portions for fixing the connector and the X-ray imaging apparatus and allowing the connector to be detached from the X-ray imaging apparatus by a detachment load. A cable outlet of the connector is separated from an outline center axis of the connector. The fixing portions include a first fixing portion disposed on the cable outlet side with respect to the connector outline center axis, and a second fixing portion disposed on the opposite side of the cable outlet. The moment of force required to detach the first fixing portion is larger than that required to detach the second fixing portion.
    Type: Grant
    Filed: March 4, 2014
    Date of Patent: January 10, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventor: Motoki Tagawa
  • Publication number: 20160302753
    Abstract: A radiographing system includes a plurality of radiation imaging apparatuses and a composition processing unit which composites a plurality of radiation images acquired from the plurality of radiation imaging apparatuses to generate a long-length image. Each of the radiation imaging apparatuses includes a radiation detecting panel which has a plurality of pixels arrayed in a two-dimensional matrix and converts radiated radiation into an image signal, and a position acquiring unit which acquires positional information by communicating with an external apparatus. A position deciding unit decides an order, in which the plurality of radiation images to be composited by the composition processing unit are composited, based on the positional information acquired by the position acquiring unit.
    Type: Application
    Filed: April 8, 2016
    Publication date: October 20, 2016
    Inventors: Masataka Suzuki, Shichihei Sakuragi, Ryo Suzaki, Motoki Tagawa
  • Publication number: 20160299241
    Abstract: A radiation imaging apparatus includes a housing including an incident surface of radiation, an imaging panel stored in the housing and including an effective region for detecting radiation incident through the incident surface, a buffer member arranged between the incident surface and the imaging panel, and an electrically conductive member fixed to the buffer member. An edge of the electrically conductive member surrounds an edge of the effective region in a planar view with respect to the incident surface.
    Type: Application
    Filed: April 5, 2016
    Publication date: October 13, 2016
    Inventors: Masataka Suzuki, Motoki Tagawa, Hiroto Kondo, Shinichi Nishimura, Takashi Sato
  • Publication number: 20160287195
    Abstract: A radiation imaging system includes a holding unit configured to hold a plurality of radiation imaging apparatuses configured to convert radiation emitted onto the plurality of radiation imaging apparatuses into image signals. The radiation imaging system is configured to obtain a long radiographic image based on the image signals respectively from the plurality of radiation imaging apparatuses. The holding unit is configured to hold the plurality of radiation imaging apparatuses having imaging areas of different sizes, in such a manner that the plurality of radiation imaging apparatuses is partially overlapped with each other spatially, by a predetermined overlapping area as viewed from a radiation incident side.
    Type: Application
    Filed: March 28, 2016
    Publication date: October 6, 2016
    Inventors: Motoki Tagawa, Masataka Suzuki, Ryo Suzaki, Shichihei Sakuragi
  • Publication number: 20160278722
    Abstract: In a radiation imaging system, which obtains a radiation image of an object based on a plurality of image signals, includes a radiation imaging apparatus, which includes a plurality of pixels arranged in a two-dimensional matrix, configured to convert an irradiated radiation transmitted through an object into an image signal serving as a partial image of the object. In the radiation imaging system, a holding unit for holding the radiation imaging apparatus holds the radiation imaging apparatus to be movable in a direction intersecting a direction in which positions to obtain a plurality of partial images are arranged.
    Type: Application
    Filed: March 22, 2016
    Publication date: September 29, 2016
    Inventors: Motoki Tagawa, Akiya Nakayama
  • Publication number: 20160220202
    Abstract: A radiation imaging system includes a housing containing a plurality of radiation imaging devices each including a radiation detecting panel having a two-dimensional matrix of pixels and arranged to convert applied radiation to an image signal, a plurality of retainers configured to position and retain the plurality of radiation imaging devices so that parts of the respective radiation imaging devices spatially overlap as viewed from an irradiation side, and a unit configured to acquire a radiographic image on the basis of image signals from the respective radiation imaging devices. The plurality of retainers are configured to retain the plurality of radiation imaging devices in areas other than effective pixel areas of the respective radiation imaging devices.
    Type: Application
    Filed: January 26, 2016
    Publication date: August 4, 2016
    Inventor: Motoki Tagawa
  • Publication number: 20160157797
    Abstract: A radiation imaging system includes: multiple radiation imaging apparatuses each including a radiation detecting panel and an enclosure enveloping the radiation detecting panel. The multiple radiation imaging apparatuses are arrayed so that a part of each of the radiation imaging apparatuses spatially overlap as seen from a radiation irradiation side, and a radiation image is acquired based on image signals from each of the multiple radiation imaging apparatuses. The enclosure of at least one radiation imaging apparatus of the multiple radiation imaging apparatuses is formed so that a radiation transmittance of the enclosure which defines the overlapping region is higher than a radiation transmittance of the enclosure which defines a different region.
    Type: Application
    Filed: December 2, 2015
    Publication date: June 9, 2016
    Inventors: Motoki Tagawa, Kensuke Kobayashi, Hidetomo Suwa, Masataka Suzuki
  • Publication number: 20150366524
    Abstract: A radiographic apparatus includes a radiation sensor panel and a housing that encloses the panel. The radiation sensor panel has a detection surface on which a converting element that detects radiation or light is disposed. The housing includes an incident, a slope, and a flat surface portion. Radiation enters the radiographic apparatus through the incident portion, which is located adjacent to the detection surface. The slope portion is located at a housing end portion and on a radiation sensor panel side opposite to the detection surface. The slope portion is inclined with respect to a direction of a housing thickness. The flat surface portion is located on the side of the radiation sensor panel opposite to the detection surface and is substantially parallel to a flat portion of the incident portion. The slope portion has an average thickness that is greater than an average thickness of the flat surface portion.
    Type: Application
    Filed: June 9, 2015
    Publication date: December 24, 2015
    Inventors: Masataka Suzuki, Kensuke Kobayashi, Motoki Tagawa, Katsushi Kato
  • Patent number: 9011000
    Abstract: An X-ray imaging apparatus includes an X-ray sensor configured to convert an X-ray to an image signal, a supporting member configured to support the X-ray sensor, and a casing having the X-ray sensor and the supporting member incorporated therein, wherein the casing includes a front casing configured to cover a front surface of the X-ray imaging apparatus where an X-ray enters, and a rear casing configured to cover a rear surface opposite the front surface of the X-ray imaging apparatus, and wherein a recess is formed toward the exterior of the casings at the connection portion of the front casing and the rear casing.
    Type: Grant
    Filed: September 13, 2012
    Date of Patent: April 21, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventor: Motoki Tagawa
  • Publication number: 20140254756
    Abstract: An X-ray imaging system includes an X-ray imaging apparatus for converting an X-ray into an image signal, a cable for transmitting signals to the X-ray imaging apparatus, a connector, disposed at an end of the cable, for connecting the cable and the X-ray imaging apparatus, and fixing portions for fixing the connector and the X-ray imaging apparatus and allowing the connector to be detached from the X-ray imaging apparatus by a detachment load. A cable outlet of the connector is separated from an outline center axis of the connector. The fixing portions include a first fixing portion disposed on the cable outlet side with respect to the connector outline center axis, and a second fixing portion disposed on the opposite side of the cable outlet. The moment of force required to detach the first fixing portion is larger than that required to detach the second fixing portion.
    Type: Application
    Filed: March 4, 2014
    Publication date: September 11, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventor: Motoki Tagawa
  • Publication number: 20130077760
    Abstract: A radiation imaging apparatus includes a radiation detector, and a grid unit configured to be combined with the radiation detector. The radiation detector includes a radiation sensor configured to convert incident radiation into an electrical signal to obtain an image, a casing configured to accommodate the radiation sensor, and a first gripping portion formed on the casing. The grid unit includes a grid, a combining portion configured to combine the grid unit with the radiation detector, and a second gripping portion configured to form a gripping portion together with the first gripping portion of the radiation detector in a state where the grid unit is combined with the radiation detector.
    Type: Application
    Filed: September 11, 2012
    Publication date: March 28, 2013
    Applicant: CANON KABUSHIKI KAISHA
    Inventor: Motoki Tagawa
  • Publication number: 20130077763
    Abstract: An X-ray imaging apparatus includes an X-ray sensor configured to convert an X-ray to an image signal, a supporting member configured to support the X-ray sensor, and a casing having the X-ray sensor and the supporting member incorporated therein, wherein the casing includes a front casing configured to cover a front surface of the X-ray imaging apparatus where an X-ray enters, and a rear casing configured to cover a rear surface opposite the front surface of the X-ray imaging apparatus, and wherein a recess is formed toward the exterior of the casings at the connection portion of the front casing and the rear casing.
    Type: Application
    Filed: September 13, 2012
    Publication date: March 28, 2013
    Applicant: CANON KABUSHIKI KAISHA
    Inventor: Motoki Tagawa
  • Patent number: 8242681
    Abstract: A display panel includes a vacuum vessel provided with a face plate, a rear plate having a first surface that opposes the face plate at an interval therefrom, a connecting member provided between the face plate and the rear plate and connecting the face plate and the rear plate, and a plurality of plate-like spacers provided between the face plate and the rear plate so that lengthwise directions thereof are parallel to each other. In addition, a plurality of linear fixing members are adhered to the vacuum vessel by a plurality of linear bonding members. The fixing members are adhered to the rear plate by the linear bonding members at mutually prescribed intervals and along the lengthwise direction of the plurality of spacers, with each of the plurality of linear fixing members provided with a plate-like member adhered to the rear plate and a plurality of protruding portions provided on a surface of the plate-like member on an opposite side from the rear plate.
    Type: Grant
    Filed: April 21, 2010
    Date of Patent: August 14, 2012
    Assignee: Canon Kabushiki Kaisha
    Inventors: Motoki Tagawa, Toshimitsu Kawase, Kinya Kamiguchi, Ryo Ohtomo