Patents by Inventor Satoru Sawada

Satoru Sawada 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).

  • Publication number: 20140361183
    Abstract: An electric device, comprising a conductive guard ring formed on a substrate along an outer periphery of the substrate, an electrode formed inside the guard ring on the substrate, and a connecting portion formed above the electrode, for connecting an external apparatus and the electrode, wherein the connecting portion includes a conductive member for electrically connecting the external apparatus and the electrode, and an insulating member formed on a lower surface of the conductive member, and the insulating member exposes a portion of the conductive member, which is positioned immediately above the electrode, and an end of the insulating member is positioned inside the guard ring in planar view such that the conductive member and the guard ring do not contact each other.
    Type: Application
    Filed: May 30, 2014
    Publication date: December 11, 2014
    Inventors: Shinichi Takeda, Masato Inoue, Satoru Sawada, Takamasa Ishii, Taiki Takei, Kota Nishibe
  • Publication number: 20140319361
    Abstract: A radiation imaging apparatus, comprising a sensor array in which a plurality of sensors are arrayed, and scintillators arranged in a plurality of regions divided by members on the sensor array, wherein a relationship P2<P1 is satisfied, where P1 represents a pitch of the plurality of sensors in the sensor array and P2 represents a distance between centers of two adjacent ones of the members, which sandwich one of the plurality of regions therebetween.
    Type: Application
    Filed: April 22, 2014
    Publication date: October 30, 2014
    Inventors: Takamasa Ishii, Masato Inoue, Shinichi Takeda, Satoru Sawada, Taiki Takei, Kota Nishibe
  • Publication number: 20140284487
    Abstract: A radiation detection apparatus includes a sensor panel which includes a photoelectric conversion unit, a scintillator layer disposed above the photoelectric conversion unit and configured to convert radiation into light, a reflection layer disposed above the scintillator layer and configured to reflect part of light generated by the scintillator layer toward the sensor panel; and a protective layer which covers the scintillator layer from above the reflection layer. The scintillator layer is fixed on the sensor panel. The reflection layer is fixed on the protective layer. Part of the protective layer is bonded to the sensor panel with an adhesive material so as to seal the scintillator layer and the reflection layer with the protective layer and the sensor panel. An upper surface of the scintillator layer includes a portion which is not fixed to the reflection layer.
    Type: Application
    Filed: March 7, 2014
    Publication date: September 25, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Satoru Sawada, Masato Inoue, Shinichi Takeda, Takamasa Ishii, Taiki Takei, Kota Nishibe
  • Publication number: 20140284486
    Abstract: A radiation detecting apparatus includes a scintillator and a photoelectric conversion panel. The photoelectric conversion panel includes a frame member disposed on an outer side of a photoelectric conversion section along at least a portion of one side of the photoelectric conversion panel. The frame member includes an inclined surface having a downward slope toward the photoelectric conversion section. The scintillator includes a first scintillator formed continuously on the inclined surface of the frame member and a surface of the photoelectric conversion section, and a second scintillator formed on the first scintillator. The first scintillator has a non-columnar crystal structure, and the second scintillator has a columnar crystal structure.
    Type: Application
    Filed: March 14, 2014
    Publication date: September 25, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Masato Inoue, Shinichi Takeda, Satoru Sawada, Takamasa Ishii, Taiki Takei, Kota Nishibe
  • Patent number: 8829456
    Abstract: A radiation imaging apparatus includes a substrate, at least one imaging element, a scintillator, a first heat peelable adhesive member which fixes the substrate to the imaging element, and a second heat peelable adhesive member which fixes the imaging element to the scintillator. An adhesive strength of the first heat peelable member is decreased by heat. A temperature of the first heat peelable adhesive member at which the adhesive strength is decreased is substantially equal to a temperature at which second heat peelable adhesive member fixes the imaging element to the scintillator. A heat transfer quantity per unit time of the substrate is different from that of the scintillator.
    Type: Grant
    Filed: December 13, 2011
    Date of Patent: September 9, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventors: Satoru Sawada, Masato Inoue, Shinichi Takeda, Takamasa Ishii, Taiki Takei, Masayoshi Akiyama
  • Patent number: 8779373
    Abstract: A radiation detection apparatus includes a scintillator panel having a scintillator layer which converts radiation into light and a scintillator protective layer which protects the scintillator layer, and a sensor panel having a sensor array in which a plurality of photoelectric converters which detect light from the scintillator layer are arranged and a sensor protective layer which protects the sensor array. The scintillator panel is bonded to the sensor panel by making the scintillator layer adhere to the sensor protective layer by using the scintillator protective layer as an adhesive material. A principal component of the scintillator protective layer is the same as a principal component of the sensor protective layer.
    Type: Grant
    Filed: February 23, 2012
    Date of Patent: July 15, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shinichi Takeda, Masato Inoue, Masayoshi Akiyama, Takamasa Ishii, Satoru Sawada, Taiki Takei
  • Patent number: 8779372
    Abstract: A radiation image pickup apparatus includes a base which transmits ultraviolet rays, a plurality of image pickup elements, a scintillator, at least one ultraviolet peelable adhesive arranged between the base and the image pickup elements so as to fix the base and the image pickup elements in a predetermined position with respect to each other, and a heat peelable adhesive arranged between the image pickup elements and the scintillators so as to fix the image pickup elements to the scintillator.
    Type: Grant
    Filed: June 16, 2011
    Date of Patent: July 15, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masato Inoue, Masayoshi Akiyama, Shinichi Takeda, Satoru Sawada
  • Publication number: 20140175295
    Abstract: A scintillator includes a scintillator layer having a plurality of columnar crystals configured to convert radiation into light, and a covering layer configured to cover the scintillator layer. The scintillator layer includes a protrusion. The covering layer covers the scintillator layer to prevent the protrusion from breaking through the covering layer, and contains particles configured to convert radiation into light.
    Type: Application
    Filed: December 6, 2013
    Publication date: June 26, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Taiki Takei, Masato Inoue, Shinichi Takeda, Satoru Sawada, Takamasa Ishii, Kota Nishibe
  • Publication number: 20140145086
    Abstract: A radiation image pickup apparatus includes an image pickup panel in which a plurality of image pickup substrates including photoelectric-conversion elements is fixed onto a base, a scintillator portion including a scintillator layer of alkali halide-based columnar crystal and overlaid on the image pickup panel, and a moisture-proof layer provided between the base and the scintillator layer, at least between the plurality of image pickup substrates. The water vapor permeability of the moisture-proof layer is 10 g/m2/day or less.
    Type: Application
    Filed: November 27, 2013
    Publication date: May 29, 2014
    Inventors: Takamasa Ishii, Masato Inoue, Shinichi Takeda, Satoru Sawada, Taiki Takei, Kota Nishibe
  • Publication number: 20140093041
    Abstract: A sensor panel provided with a photoelectric conversion element that detects entering light, a columnar-structure scintillator layer arranged on the sensor panel, a light reflection layer formed on the columnar-structure scintillator layer, and a resin layer including a particulate scintillator formed between the columnar-structure scintillator layer and the light reflection layer are included in a detecting apparatus, and the resin layer includes a particulate scintillator.
    Type: Application
    Filed: September 27, 2013
    Publication date: April 3, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Taiki Takei, Masato Inoue, Shinichi Takeda, Satoru Sawada, Takamasa Ishii, Kota Nishibe
  • Publication number: 20140091209
    Abstract: A radiation detecting apparatus includes a sensor panel that has photoelectric conversion elements; a light source unit that has a light guide plate, a light-emitting source disposed at a side surface of the light guide plate, a diffusing plate disposed at one surface of the light guide plate, and a reflective plate disposed at an opposite surface of the light guide plate; and a support substrate that supports the light source unit. The light source unit is provided between the sensor panel and the support substrate. Multiple protrusions of the diffusing plate are in contact with a surface of the sensor panel. The light source unit is adhered to the sensor panel via an adhesive, and the adhesive extends to the support substrate.
    Type: Application
    Filed: September 27, 2013
    Publication date: April 3, 2014
    Inventors: Taiki Takei, Masato Inoue, Shinichi Takeda, Satoru Sawada, Takamasa Ishii, Kota Nishibe
  • Publication number: 20140054467
    Abstract: A radiation imaging apparatus comprising a plurality of sensor units each including a plurality of photoelectric converters, a substrate configured to support the plurality of sensor units, and a scintillator, wherein the scintillator comprises scintillator grains configured to convert radiation into light and a binder configured to make the scintillator grains adhere to each other, and the scintillator includes first portions provided between the plurality of sensor units and a second portion provided on the plurality of sensor units and the substrate.
    Type: Application
    Filed: August 9, 2013
    Publication date: February 27, 2014
    Inventors: Shinichi Takeda, Masato Inoue, Satoru Sawada, Takamasa Ishii, Taiki Takei, Kota Nishibe, Shoshiro Saruta
  • Patent number: 8653463
    Abstract: A radiation detection apparatus comprising semiconductor substrates each having a first surface on which a photoelectric conversion portion is formed and a second surface opposite to the first surface; a scintillator layer, placed over the first surfaces of the semiconductor substrates, for converting radiation into light; and an elastic member, placed between a base and the second surfaces, for supporting the second surfaces of the semiconductor substrates such that the first surfaces of the semiconductor substrates are flush with each other is provided. In measurement of the elastic member as a single body, an amount of stretch of a cubic specimen in a direction parallel to the first surface when being compressed in a direction perpendicular to the first surface is smaller than an amount of stretch of the specimen in the direction perpendicular to the first surface when being compressed in the direction parallel to the first surface.
    Type: Grant
    Filed: May 18, 2011
    Date of Patent: February 18, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventors: Satoru Sawada, Masato Inoue, Noriaki Oguri, Shinichi Takeda, Masayoshi Akiyama, Taiki Takei
  • Publication number: 20140042327
    Abstract: A radiation imaging apparatus, comprising a sensor panel including a sensor array on which a plurality of sensors arranged in an array form and a scintillator layer provided on the sensor array, and a unit configured to perform signal processing based on a signal from the sensor array, wherein the sensor array includes a peripheral region and a central region located inside the peripheral region, the scintillator layer is disposed over the peripheral region and the central region so as to have uniform luminance efficiency with respect to the sensor array, and the unit performs the signal processing by using only signals from sensors disposed in the central region, of signals from the plurality of sensors, output from the sensor panel.
    Type: Application
    Filed: August 1, 2013
    Publication date: February 13, 2014
    Inventors: Masato Inoue, Shinichi Takeda, Satoru Sawada, Takamasa Ishii, Taiki Takei, Kota Nishibe
  • Publication number: 20140034837
    Abstract: A radiation imaging apparatus includes a phosphor layer configured to convert an incident radiant ray into light, a first imaging substrate arranged on a side of a first surface, on which the radiant ray is incident, of the phosphor layer and having, on the side of the first surface, a first pixel area including a plurality of pixels each including a photoelectric conversion element for converting the light into an electric signal, and a second imaging substrate arranged on a side of a second surface of the phosphor layer and having, on the side of the second surface, a second pixel area including a plurality of pixels each including a photoelectric conversion element for converting the light into an electric signal, wherein the second imaging substrate is arranged so that the second pixel area is located opposite a pixel non-formation area, where the first pixel area is not formed.
    Type: Application
    Filed: August 2, 2013
    Publication date: February 6, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Shinichi Takeda, Masato Inoue, Satoru Sawada, Takamasa Ishii, Taiki Takei, Kota Nishibe
  • Publication number: 20140034836
    Abstract: A radiation detection apparatus includes a sensor panel configured to detect light; and a scintillator layer arranged on the sensor panel. The scintillator layer has a scintillator configured to convert radiation into light of a wavelength that is detectable by the sensor panel. The scintillator layer also has particles that have a property of generating a bubble and expanding so as to weaken adhesive force between the sensor panel and the scintillator layer. The scintillator layer also a resin that holds the scintillator and the particles so as to be mixed together. The scintillator layer is adhered to the sensor panel with use of the resin.
    Type: Application
    Filed: July 18, 2013
    Publication date: February 6, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Taiki Takei, Masato Inoue, Shinichi Takeda, Satoru Sawada, Takamasa Ishii, Kota Nishibe, Shoshiro Saruta, Kazumi Nagano, Satoshi Okada, Yohei Ishida
  • Publication number: 20130341517
    Abstract: A radiation detection apparatus, comprising a housing including a first plate portion and a second plate portion arranged to face each other, a scintillator configured to convert a radiation into light, supported by a supporting portion arranged in a side of the second plate portion in the housing, a sensor panel including a sensor array in which a plurality of sensors for detecting light are arrayed, interposed between the scintillator and the first plate portion in the housing, and a member interposed between the first plate portion and the sensor panel in the housing, wherein the sensor panel is arranged to position an outer edge of the sensor panel outside an outer edge of the scintillator, and the member is arranged to position an outer edge of the member inside the outer edge of the scintillator.
    Type: Application
    Filed: May 24, 2013
    Publication date: December 26, 2013
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Masato Inoue, Shinichi Takeda, Satoru Sawada, Takamasa Ishii, Taiki Takei, Kota Nishibe
  • Publication number: 20130322598
    Abstract: A radiation detection apparatus comprising a sensor panel in which a plurality of sensors for detecting light are arranged, and a scintillator layer containing scintillator particles for converting an incident radiation into light, and an adhesive resin which has an adherence property and bonds the scintillator particles, wherein the scintillator layer is adhered to the sensor panel by the adhesive resin, a modulus of elasticity in tensile of the adhesive resin is higher than 0.7 GPa and lower than 3.5 GPa, and a volume ratio of the adhesive resin to the scintillator particles is not lower than 1% and not higher than 5%.
    Type: Application
    Filed: May 28, 2013
    Publication date: December 5, 2013
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Shoshiro Saruta, Yoshihiro Ogawa, Akiya Nakayama, Masayoshi Tokumoto, Yoshito Sasaki, Satoshi Okada, Satoru Sawada
  • Patent number: 8563939
    Abstract: A radiation detecting apparatus includes: a sensor panel for converting radiation or light into an electric charge; a casing holding the sensor panel; an acceleration detecting unit for detecting an acceleration relating to a movement of the radiation detecting apparatus, and for transmitting a signal based on a value of the acceleration; a determining unit for determining, based on the signal transmitted from the acceleration detecting unit, as to whether the radiation detecting apparatus is in an excessively accelerated state, a free falling state or a normal state; and a buffer unit for operating to absorb a shock exerted on the radiation detecting apparatus, responsive to determination by the determining unit such that the radiation detecting apparatus is in an excessively accelerated state or a free falling state. The buffer unit is arranged outside of the casing.
    Type: Grant
    Filed: May 29, 2009
    Date of Patent: October 22, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventors: Satoshi Okada, Masato Inoue, Kazumi Nagano, Shinichi Takeda, Satoru Sawada
  • Patent number: 8440975
    Abstract: A scintillator includes a scintillator layer which converts radiation into light, the scintillator layer having a first end forming part of a contour of the scintillator layer and a second end forming another part of the contour, wherein the first end and the second end are located on opposite sides of the scintillator layer when viewed from the center of the scintillator layer, wherein an efficiency of conversion from radiation into light decreases from the first end to the second end.
    Type: Grant
    Filed: October 20, 2011
    Date of Patent: May 14, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masato Inoue, Masayoshi Akiyama, Shinichi Takeda, Satoru Sawada, Takamasa Ishii, Taiki Takei