Patents by Inventor Tomoaki Ichimura
Tomoaki Ichimura 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: 20240112499Abstract: An image analysis device comprising: an input interface to acquire image data indicating an image of an operator performing task; and a controller to detect the task performed by the operator sequentially, based on the image data, to generate task detection information indicating a detection result of the task, wherein the task includes a plurality of processes performed by the operator, and the controller compensates the task detection information by interpolating a detection result of the task within an undetected period, in accordance with a pre process and/or a post process of the undetected period, the undetected period being a period in which the task is not detected, the pre process being a process of the task detected previously to the undetected period, and the post process being a process of the task detected subsequently to the undetected period.Type: ApplicationFiled: December 12, 2023Publication date: April 4, 2024Inventors: Tomoaki Itoh, Tomokazu Ichiriki, Hidehiko Shin, Daijiroh Ichimura
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Patent number: 10741296Abstract: An imaging table includes: a bucky apparatus to which a radiation imaging apparatus capable of being installed; a top plate connected to the bucky apparatus and allowing a subject to get on the top plate; and a rotation mechanism arranged to connect the bucky apparatus and the top plate in a relatively rotatable manner. The imaging table of the present invention can easily correspond to a plurality of imaging techniques.Type: GrantFiled: October 30, 2018Date of Patent: August 11, 2020Assignee: CANON KABUSHIKI KAISHAInventors: Yoshito Sasaki, Tomoaki Ichimura, Shinichi Takeda, Kota Nishibe, Tomohiro Hoshina, Akiya Nakayama
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Patent number: 10481280Abstract: A radiation detecting apparatus includes a scintillator, a pixel array in which a plurality of pixels that each converts visible light converted by the scintillator into electric signals is arranged in a two-dimensional array form on a first surface of a substrate, a plurality of connection terminal portions arranged on a periphery of the pixel array on the first surface of the substrate, and a conductive member to which a constant potential is supplied, wherein the conductive member, the pixel array, and the scintillator are arranged in this order from a side irradiated with radiation, and the scintillator is arranged on a first surface side, and wherein the conductive member is arranged in a region of a second surface opposite to the first surface of the substrate except for a region opposite to the plurality of connection terminal portions.Type: GrantFiled: June 27, 2017Date of Patent: November 19, 2019Assignee: Canon Kabushiki KaishaInventors: Tomoaki Ichimura, Youjirou Hiratsuka
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Publication number: 20190139666Abstract: An imaging table includes: a bucky apparatus to which a radiation imaging apparatus capable of being installed; a top plate connected to the bucky apparatus and allowing a subject to get on the top plate; and a rotation mechanism arranged to connect the bucky apparatus and the top plate in a relatively rotatable manner. The imaging table of the present invention can easily correspond to a plurality of imaging techniques.Type: ApplicationFiled: October 30, 2018Publication date: May 9, 2019Inventors: Yoshito Sasaki, Tomoaki Ichimura, Shinichi Takeda, Kota Nishibe, Tomohiro Hoshina, Akiya Nakayama
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Patent number: 10283555Abstract: A radiation detection apparatus employs a sensor panel having first and second opposing surfaces with a pixel array and electrical contacts arranged on the first surface side. A first supporting portion is secured to the panel with an adhesive layer, and supports the pixel array from the second surface side of the panel. A second supporting portion is fixed to the panel so as to inhibit the second supporting portion from being removed from the panel. The second supporting portion supports the electrical contacts from the second surface side of the panel. The elastic modulus of the second supporting portion is higher than that of the adhesive layer, and a number of wiring members are pressure-bonded to the electrical contacts.Type: GrantFiled: February 25, 2016Date of Patent: May 7, 2019Assignee: CANON KABUSHIKI KAISHAInventors: Tomoaki Ichimura, Satoshi Okada, Kazumi Nagano
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Patent number: 10067242Abstract: A method of manufacturing a scintillator, includes growing a scintillator layer constituted by a plurality of column crystals on a base, forming a first protection film so as to cover the scintillator layer, planarizing the first protection film, the planarizing including a polishing process of polishing the first protection film, and forming a second protection film configured to cover the first protection film that has undergone the planarizing. The scintillator layers grown on the base include an abnormally grown portion. In the polishing process, a front end of the abnormally grown portion is polished as well as a surface of the first protection film so as to form a continuation surface by the surface of the first protection film and a surface of the abnormally grown portion.Type: GrantFiled: July 28, 2016Date of Patent: September 4, 2018Assignee: CANON KABUSHIKI KAISHAInventors: Yohei Ishida, Tamaki Kobayashi, Tomoaki Ichimura
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Publication number: 20180011206Abstract: A radiation detecting apparatus includes a scintillator, a pixel array in which a plurality of pixels that each converts visible light converted by the scintillator into electric signals is arranged in a two-dimensional array form on a first surface of a substrate, a plurality of connection terminal portions arranged on a periphery of the pixel array on the first surface of the substrate, and a conductive member to which a constant potential is supplied, wherein the conductive member, the pixel array, and the scintillator are arranged in this order from a side irradiated with radiation, and the scintillator is arranged on a first surface side, and wherein the conductive member is arranged in a region of a second surface opposite to the first surface of the substrate except for a region opposite to the plurality of connection terminal portions.Type: ApplicationFiled: June 27, 2017Publication date: January 11, 2018Inventors: Tomoaki Ichimura, Youjirou Hiratsuka
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Patent number: 9568617Abstract: A radiation imaging apparatus, comprising a sensor panel on which a plurality of sensors are arrayed, a scintillator that is arranged over a base member and is made of an alkali halide, and a protective film configured to suppress deliquescence of the scintillator, wherein the protective film includes a first portion that covers a side face of the scintillator and an end of the scintillator on a side opposite to the base member, and a second portion that is smaller in a content of fluorine than the first portion and covers at least part of a surface of the first portion.Type: GrantFiled: December 8, 2015Date of Patent: February 14, 2017Assignee: Canon Kabushiki KaishaInventor: Tomoaki Ichimura
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Publication number: 20170038482Abstract: A method of manufacturing a scintillator, includes growing a scintillator layer constituted by a plurality of column crystals on a base, forming a first protection film so as to cover the scintillator layer, planarizing the first protection film, the planarizing including a polishing process of polishing the first protection film, and forming a second protection film configured to cover the first protection film that has undergone the planarizing. The scintillator layers grown on the base include an abnormally grown portion. In the polishing process, a front end of the abnormally grown portion is polished as well as a surface of the first protection film so as to form a continuation surface by the surface of the first protection film and a surface of the abnormally grown portion.Type: ApplicationFiled: July 28, 2016Publication date: February 9, 2017Inventors: Yohei Ishida, Tamaki Kobayashi, Tomoaki Ichimura
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Publication number: 20160202362Abstract: A radiation imaging apparatus, comprising a sensor panel on which a plurality of sensors are arrayed, a scintillator that is arranged over a base member and is made of an alkali halide, and a protective film configured to suppress deliquescence of the scintillator, wherein the protective film includes a first portion that covers a side face of the scintillator and an end of the scintillator on a side opposite to the base member, and a second portion that is smaller in a content of fluorine than the first portion and covers at least part of a surface of the first portion.Type: ApplicationFiled: December 8, 2015Publication date: July 14, 2016Inventor: Tomoaki Ichimura
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Publication number: 20160181308Abstract: A method of manufacturing a radiation detection apparatus is provided. The method includes preparing a sensor panel having first and second opposing surfaces with a pixel array and electrical contacts being arranged on the first surface side, and adhering a first supporting portion to the panel with an adhesive layer. The first supporting portion supports the pixel array from the second surface side of the panel. The method further includes fixing a second supporting portion to the panel so as to inhibit the second supporting portion from being removed from the panel. The second supporting portion supports the electrical contacts from the second surface side of the panel. The method further includes pressure-bonding wiring members to the electrical contacts. In the pressure-bonding, the elastic modulus of the second supporting portion is higher than that of the adhesive layer.Type: ApplicationFiled: February 25, 2016Publication date: June 23, 2016Inventors: Tomoaki Ichimura, Satoshi Okada, Kazumi Nagano
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Publication number: 20150369926Abstract: A radiographic photographing apparatus includes a radiation sensor panel including a photoelectric conversion unit in which a conversion element configured to detect radiation or light is arranged; a light source unit having a light source configured to emit light having a wavelength different from the radiation to the radiation sensor panel; and a conductive member arranged between the radiation sensor panel and the light source unit and configured to receive a supply of a fixed potential.Type: ApplicationFiled: June 12, 2015Publication date: December 24, 2015Inventors: Tomoaki Ichimura, Taiki Takei
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Patent number: 9054012Abstract: A method of manufacturing a radiation detection apparatus is provided. On a sensor substrate on which a pixel array is formed, a scintillator layer that covers the pixel array, a sealing layer that covers a side face of the scintillator layer, and a protection layer that covers an upper face of the scintillator layer and an upper face of the sealing layer are formed. The sensor substrate, the sealing layer, and the protection layer along a side of the pixel array are cut such that a cut surface of the sensor substrate, a cut surface of the sealing layer, and a cut surface of the protection layer are arranged on the same plane.Type: GrantFiled: June 26, 2013Date of Patent: June 9, 2015Assignee: CANON KABUSHIKI KAISHAInventors: Keiichi Nomura, Kazumi Nagano, Satoshi Okada, Yohei Ishida, Shoshiro Saruta, Yoshito Sasaki, Tomoaki Ichimura
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Patent number: 9006665Abstract: A radiation detection apparatus including a sensor unit having photoelectric conversion units two-dimensionally arranged and a scintillator layer which converts radiation into light, comprising a first member disposed on the sensor unit, and a second member disposed on the first member, wherein the scintillator layer is disposed on the second member, and letting n1 be a refractive index of the first member, n2 be a refractive index of the second member, and n3 be a refractive index of the scintillator layer, a relationship of n1<n2<n3 holds.Type: GrantFiled: October 24, 2012Date of Patent: April 14, 2015Assignee: Canon Kabushiki KaishaInventors: Kazumi Nagano, Satoshi Okada, Keiichi Nomura, Yohei Ishida, Tomoaki Ichimura, Yoshito Sasaki, Satoru Sawada
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Patent number: 8975589Abstract: A scintillator has a two-dimensional array of a plurality of columnar crystals which converts radiation into light, and a covering portion covering the two-dimensional array. The covering portion includes connecting portions configured to partially connect the columnar crystals while partially forming cavities in gaps between the columnar crystals in the two-dimensional array.Type: GrantFiled: October 18, 2013Date of Patent: March 10, 2015Assignee: Canon Kabushiki KaishaInventors: Tomoaki Ichimura, Satoshi Okada, Yohei Ishida, Akiya Nakayama
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Patent number: 8957383Abstract: The present invention provides a radiation detection apparatus including a first substrate member, a second substrate member, and a sealing portion configured to bond an edge portion of the first substrate member to an edge portion of the substrate member, one of the first substrate member and the second substrate member being a sensor panel including photoelectric conversion elements and the other being a scintillator panel including a scintillator layer, and the sealing portion including a first sealing resin having a first elastic modulus, a second sealing resin having a second elastic modulus lower than the first elastic modulus, a stress reduction portion configured to reduce a stress that acts on the first sealing resin and the second sealing resin and having a third elastic modulus lower than the second elastic modulus.Type: GrantFiled: October 2, 2013Date of Patent: February 17, 2015Assignee: Canon Kabushiki KaishaInventors: Yoshito Sasaki, Satoshi Okada, Yohei Ishida, Tomoaki Ichimura, Masato Inoue, Takamasa Ishii
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Publication number: 20150014546Abstract: A method of manufacturing a radiation detection apparatus is provided. The apparatus comprises a first scintillator layer, a second scintillator layer, and a sensor panel that detects light emitted by the first scintillator layer and the second scintillator layer. The method comprises preparing a sensor unit having the sensor panel and the first scintillator layer which includes a set of columnar crystals formed on the sensor panel, and a scintillator panel having a scintillator substrate and the second scintillator layer which includes a set of columnar crystals formed on the scintillator substrate, and fixing the scintillator panel to the sensor panel such that the first scintillator layer and the second scintillator layer face each other.Type: ApplicationFiled: January 3, 2014Publication date: January 15, 2015Applicant: CANON KABUSHIKI KAISHAInventors: Tomoaki Ichimura, Satoshi Okada, Kazumi Nagano, Keiichi Nomura, Yohei Ishida, Yoshito Sasaki
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Patent number: 8779364Abstract: A method of manufacturing a scintillator panel including a scintillator layer which converts a radiation into light, includes a growing step of growing a scintillator including a plurality of columnar crystals on a first substrate; a fixing step of fixing a second substrate to a surface of the scintillator that is opposite to a surface on a side of the first substrate; a separation step of separating the first substrate from the scintillator; and a removal step of removing, from the scintillator, a portion of a predetermined thickness from an exposed surface of the scintillator that is exposed in the separation step, to form the scintillator layer.Type: GrantFiled: January 17, 2012Date of Patent: July 15, 2014Assignee: Canon Kabushiki KaishaInventors: Kazumi Nagano, Satoshi Okada, Keiichi Nomura, Yohei Ishida, Tomoaki Ichimura, Yoshito Sasaki
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Patent number: 8779369Abstract: A radiation detection apparatus comprising a sensor panel and a scintillator panel is provided. The scintillator panel including a substrate, a scintillator disposed on the substrate, and a scintillator protective film that has a first organic protective layer and an inorganic protective layer, and covers the scintillator. The scintillator protective film is located between the sensor panel and the scintillator. The first organic protective layer is located on a scintillator side from the inorganic protective layer. A surface on a sensor panel side of the scintillator is partially in contact with the inorganic protective layer.Type: GrantFiled: February 3, 2012Date of Patent: July 15, 2014Assignee: Canon Kabushiki KaishaInventors: Tomoaki Ichimura, Satoshi Okada, Kazumi Nagano, Keiichi Nomura, Yohei Ishida, Yoshito Sasaki, Akiya Nakayama
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Publication number: 20140117244Abstract: A scintillator has a two-dimensional array of a plurality of columnar crystals which converts radiation into light, and a covering portion covering the two-dimensional array. The covering portion includes connecting portions configured to partially connect the columnar crystals while partially forming cavities in gaps between the columnar crystals in the two-dimensional array.Type: ApplicationFiled: October 18, 2013Publication date: May 1, 2014Applicant: CANON KABUSHIKI KAISHAInventors: Tomoaki Ichimura, Satoshi Okada, Yohei Ishida, Akiya Nakayama