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).
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Patent number: 10058294Abstract: 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: GrantFiled: January 26, 2016Date of Patent: August 28, 2018Assignee: Canon Kabushiki KaishaInventor: Motoki Tagawa
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Patent number: 10058299Abstract: 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: GrantFiled: March 22, 2016Date of Patent: August 28, 2018Assignee: CANON KABUSHIKI KAISHAInventors: Motoki Tagawa, Akiya Nakayama
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Patent number: 9974499Abstract: 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: GrantFiled: September 28, 2017Date of Patent: May 22, 2018Assignee: Canon Kabushiki KaishaInventors: Motoki Tagawa, Kensuke Kobayashi, Hidetomo Suwa, Masataka Suzuki
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Patent number: 9968311Abstract: 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: GrantFiled: March 28, 2016Date of Patent: May 15, 2018Assignee: Canon Kabushiki KaishaInventors: Motoki Tagawa, Masataka Suzuki, Ryo Suzaki, Shichihei Sakuragi
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Publication number: 20180092618Abstract: 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: ApplicationFiled: September 28, 2017Publication date: April 5, 2018Inventors: Motoki Tagawa, Takahiro Koyanagi, Youjirou Hiratsuka, Satoru Omura, Katsushi Kato
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Publication number: 20180028135Abstract: 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: ApplicationFiled: September 28, 2017Publication date: February 1, 2018Inventors: Motoki Tagawa, Kensuke Kobayashi, Hidetomo Suwa, Masataka Suzuki
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Patent number: 9801596Abstract: 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: GrantFiled: December 2, 2015Date of Patent: October 31, 2017Assignee: Canon Kabushiki KaishaInventors: Motoki Tagawa, Kensuke Kobayashi, Hidetomo Suwa, Masataka Suzuki
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Patent number: 9543694Abstract: 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: GrantFiled: March 4, 2014Date of Patent: January 10, 2017Assignee: Canon Kabushiki KaishaInventor: Motoki Tagawa
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Publication number: 20160302753Abstract: 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: ApplicationFiled: April 8, 2016Publication date: October 20, 2016Inventors: Masataka Suzuki, Shichihei Sakuragi, Ryo Suzaki, Motoki Tagawa
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Publication number: 20160299241Abstract: 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: ApplicationFiled: April 5, 2016Publication date: October 13, 2016Inventors: Masataka Suzuki, Motoki Tagawa, Hiroto Kondo, Shinichi Nishimura, Takashi Sato
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Publication number: 20160287195Abstract: 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: ApplicationFiled: March 28, 2016Publication date: October 6, 2016Inventors: Motoki Tagawa, Masataka Suzuki, Ryo Suzaki, Shichihei Sakuragi
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Publication number: 20160278722Abstract: 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: ApplicationFiled: March 22, 2016Publication date: September 29, 2016Inventors: Motoki Tagawa, Akiya Nakayama
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Publication number: 20160220202Abstract: 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: ApplicationFiled: January 26, 2016Publication date: August 4, 2016Inventor: Motoki Tagawa
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Publication number: 20160157797Abstract: 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: ApplicationFiled: December 2, 2015Publication date: June 9, 2016Inventors: Motoki Tagawa, Kensuke Kobayashi, Hidetomo Suwa, Masataka Suzuki
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Publication number: 20150366524Abstract: 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: ApplicationFiled: June 9, 2015Publication date: December 24, 2015Inventors: Masataka Suzuki, Kensuke Kobayashi, Motoki Tagawa, Katsushi Kato
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Patent number: 9011000Abstract: 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: GrantFiled: September 13, 2012Date of Patent: April 21, 2015Assignee: Canon Kabushiki KaishaInventor: Motoki Tagawa
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Publication number: 20140254756Abstract: 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: ApplicationFiled: March 4, 2014Publication date: September 11, 2014Applicant: CANON KABUSHIKI KAISHAInventor: Motoki Tagawa
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Publication number: 20130077760Abstract: 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: ApplicationFiled: September 11, 2012Publication date: March 28, 2013Applicant: CANON KABUSHIKI KAISHAInventor: Motoki Tagawa
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Publication number: 20130077763Abstract: 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: ApplicationFiled: September 13, 2012Publication date: March 28, 2013Applicant: CANON KABUSHIKI KAISHAInventor: Motoki Tagawa
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Patent number: 8242681Abstract: 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: GrantFiled: April 21, 2010Date of Patent: August 14, 2012Assignee: Canon Kabushiki KaishaInventors: Motoki Tagawa, Toshimitsu Kawase, Kinya Kamiguchi, Ryo Ohtomo