Patents by Inventor Keiko Itaya

Keiko Itaya 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: 10302773
    Abstract: A radiation detector includes: a scintillator panel having a scintillator layer; and a photoelectric conversion panel having a support substrate, a light receiving element, and a switching element, wherein the light receiving element faces the scintillator layer, the photoelectric conversion panel has flexibility, and the scintillator layer is formed by being sealed with a moisture-proof material.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: May 28, 2019
    Assignee: Konica Minolta, Inc.
    Inventors: Keiko Itaya, Takafumi Yanagita, Kazuhiro Maeda
  • Publication number: 20180276816
    Abstract: A radiation image processing apparatus includes a display and a hardware processor. The display displays an image. The hardware processor is configured to perform the following, acquire radiographic moving image data comprising a plurality of frame images, subject the moving image data to predetermined analytical processing, generate an analyzed moving image comprising a plurality of analyzed frame images, select a plurality of specific analyzed frame images from the analyzed frame images of the analyzed moving image, derive a calculation signal value based on signal values of pixels having common coordinates positioned in common coordinates in the selected specific analyzed frame images, and cause a calculated image based on the calculation signal values generated according to coordinates to appear on the display.
    Type: Application
    Filed: March 20, 2018
    Publication date: September 27, 2018
    Inventors: Shikou KANEKO, Keiko ITAYA, Shinsuke KATSUHARA
  • Publication number: 20180275287
    Abstract: A radiation detector includes: a scintillator panel having a scintillator layer; and a photoelectric conversion panel having a support substrate, a light receiving element, and a switching element, wherein the light receiving element faces the scintillator layer, the photoelectric conversion panel has flexibility, and the scintillator layer is formed by being sealed with a moisture-proof material.
    Type: Application
    Filed: December 15, 2017
    Publication date: September 27, 2018
    Applicant: KONICA MINOLTA, INC.
    Inventors: Keiko ITAYA, Takafumi YANAGITA, Kazuhiro MAEDA
  • Publication number: 20180228458
    Abstract: A dynamic analysis system includes a hardware processor. A first plurality of frame images showing a dynamic state of a chest of an intubated first examinee is obtained by radiation imaging of the chest of the first examinee. Based on the first plurality of frame images, the hardware processor calculates a signal value change amount and/or a shape change amount of a predetermined structure of the chest in the first plurality of frame images. Based on the calculated signal value change amount and/or shape change amount, the hardware processor generates assessment information to assess a respiratory status of the first examinee at time of intubation or extubation.
    Type: Application
    Filed: February 5, 2018
    Publication date: August 16, 2018
    Inventors: Shinsuke KATSUHARA, Shikou KANEKO, Keiko ITAYA, Akinori TSUNOMORI
  • Publication number: 20170367623
    Abstract: A dynamic analysis system includes: an analytic value calculation unit configured to calculate an analytic value in a plurality of time phases on the basis of a dynamic image in the plurality of time phases obtained by performing dynamic photography on the chest of a subject; a ventilation state calculation unit configured to calculate, using a non-linear function, an index value representing a ventilation state of a lung field from the analytic value in the plurality of time phases; a display unit; and a control unit configured to display the index value calculated on the plurality of time phases, on the display unit.
    Type: Application
    Filed: June 12, 2017
    Publication date: December 28, 2017
    Inventors: Masayuki NAKAZAWA, Keiko Itaya
  • Patent number: 9562980
    Abstract: A scintillator panel includes: a flexible substrate; a phosphor arranged on the flexible substrate; and a thermal expansion compensation layer disposed between the flexible substrate and the phosphor, wherein a linear expansion coefficient of the thermal expansion compensation layer is greater than a thermal expansion coefficient of the phosphor, and surfaces, of the thermal expansion compensation layer and of the flexible substrate, in contact with each other each contain an organic substance.
    Type: Grant
    Filed: October 8, 2015
    Date of Patent: February 7, 2017
    Assignee: KONICA MINOLTA, INC.
    Inventors: Keiko Itaya, Makoto Iijima
  • Publication number: 20160282483
    Abstract: A scintillator panel including a substrate and a scintillator layer provided on the substrate, the layer including a plurality of columnar structures, wherein the plurality of columnar structures are independent of each other via a gap, and the columnar structures are irradiation products.
    Type: Application
    Filed: March 21, 2016
    Publication date: September 29, 2016
    Inventors: Tadashi ARIMOTO, Keiko ITAYA
  • Publication number: 20160116606
    Abstract: A scintillator panel includes: a flexible substrate; a phosphor arranged on the flexible substrate; and a thermal expansion compensation layer disposed between the flexible substrate and the phosphor, wherein a linear expansion coefficient of the thermal expansion compensation layer is greater than a thermal expansion coefficient of the phosphor, and surfaces, of the thermal expansion compensation layer and of the flexible substrate, in contact with each other each contain an organic substance.
    Type: Application
    Filed: October 8, 2015
    Publication date: April 28, 2016
    Inventors: Keiko ITAYA, Makoto Iijima
  • Patent number: 9117562
    Abstract: The steps of the method to make the scintillator panel are providing a first support having thereon a phosphor layer; dividing the first support the phosphor layer into a plurality of scintillator panel sections each having a first support section and a phosphor layer section thereon; providing an adhesive member between a side of the first support section of each of the plurality of the scintillator panel sections and a side of a second support; adhering the plurality of the scintillator panel sections onto the second support; forming a protective layer on a whole surface of the plurality of the scintillator panel sections except a portion of the scintillator panel sections which is contacted with the adhesive member; and separating the scintillator panel sections with their protective layer thereon from the second support. The separated scintillator panel sections with their protective layer are then adhered to light receiving element to form the flat panel detector.
    Type: Grant
    Filed: February 2, 2012
    Date of Patent: August 25, 2015
    Assignee: KONICA MINOLTA MEDICAL & GRAPHIC, INC.
    Inventors: Keiko Itaya, Tadashi Arimoto
  • Patent number: 9040940
    Abstract: Disclosed is a scintillator panel provided with on a support a phosphor layer comprising columnar crystals and a protective layer sequentially in this order, wherein degraded areas on lateral surfaces of columnar crystals at an end of the phosphor layer and produced by a cutting treatment account for not less than 0% and not more than 40% of an area of all of the side surfaces of the columnar crystals. A production method of the scintillator panel is also disclosed.
    Type: Grant
    Filed: February 7, 2012
    Date of Patent: May 26, 2015
    Assignee: KONICA MINOLTA MEDICAL & GRAPHIC, INC.
    Inventors: Keiko Itaya, Yoshihiro Goroya
  • Patent number: 8973245
    Abstract: Disclosed is a method of manufacturing a flat panel detector such that the surface on the side of a fluorescent body layer of a scintillator panel which has the fluorescent body layer comprising a column crystal on the supporting body, is coupled to the planar light receiving element surface of a light-receiving element, comprising: a step of manufacturing the scintillator panel which has a larger area than that of the planar light receiving element surface; a step of trimming the edges of the scintillator panel, obtained by the step of manufacturing the scintillator panel, to correspond to the area of the planar light receiving element surface; and a step of coupling the edge-trimmed scintillator panel to the planar light receiving element surface, thus providing a flat panel detector which has an excellent productivity and that can be made small in size without non-image area.
    Type: Grant
    Filed: February 25, 2011
    Date of Patent: March 10, 2015
    Assignee: Konica Minolta Medical & Graphic, Inc.
    Inventors: Takehiko Shoji, Keiko Itaya, Masashi Kondo, Makoto Iijima
  • Patent number: 8895932
    Abstract: The scintillator plate has an undercoat layer and a phosphor layer. The phosphor layer has phosphor columnar crystals using the undercoat layer side as a base. When the phosphor layer is halved in terms of thickness in the lamination direction and the respective halves constitute a tip side portion and a base side portion of the phosphor columnar crystals, a ratio (B/A) of an optical transmittance (B) of the base side portion to an optical transmittance (A) of the tip side portion is not less than 70% and not more than 99%.
    Type: Grant
    Filed: August 16, 2013
    Date of Patent: November 25, 2014
    Assignee: Konica Minolta, Inc.
    Inventors: Masashi Kondo, Keiko Itaya
  • Patent number: 8669528
    Abstract: A flat panel radiation detector is disclosed, comprising a scintillator panel provided on a support with a phosphor layer comprising columnar crystals and a protective layer sequentially in this order, and the scintillator panel being coupled with a planar light receiving element having plural picture elements which are arranged two-dimensionally, in which the difference between to average void fraction of an edge portion of the phosphor layer and the average void fraction of a base portion is not less than 5% and not more than 25%, and the void fraction decreases from the base portion to the edge portion. There is provided a flat panel radiation detector with a phosphor layer which exhibits enhanced physical resistance to shock and is superior in sharpness and emission efficiency.
    Type: Grant
    Filed: March 15, 2011
    Date of Patent: March 11, 2014
    Assignee: Konica Minolta Medical & Graphic, Inc.
    Inventors: Keiko Itaya, Takehiko Shoji
  • Publication number: 20140061481
    Abstract: Problem: The object of the present invention is to provide a scintillator plate and a radiation detection panel demonstrating excellent light emission luminance while being limited to a thickness which maintains the sharpness required for image quality. Solution: A scintillator plate comprising an undercoat layer and a phosphor layer, wherein the phosphor layer comprises phosphor columnar crystals using the undercoat layer side as a base, and wherein when the phosphor layer is halved in terms of thickness in the lamination direction and the respective halves constitute a tip side portion and a base side portion of the phosphor columnar crystals, a ratio (B/A) of an optical transmittance (B) of the base side portion to an optical transmittance (A) of the tip side portion is not less than 70% and not more than 99%.
    Type: Application
    Filed: August 16, 2013
    Publication date: March 6, 2014
    Applicant: Konica Minolta , Inc.
    Inventors: Masashi KONDO, Keiko ITAYA
  • Publication number: 20130068953
    Abstract: A flat panel radiation detector is disclosed, comprising a scintillator panel provided on a support with a phosphor layer comprising columnar crystals and a protective layer sequentially in this order, and the scintillator panel being coupled with a planar light receiving element having plural picture elements which are arranged two-dimensionally, in which the difference between to average void fraction of an edge portion of the phosphor layer and the average void fraction of a base portion is not less than 5% and not more than 25%, and the void fraction decreases from the base portion to the edge portion. There is provided a flat panel radiation detector with a phosphor layer which exhibits enhanced physical resistance to shock and is superior in sharpness and emission efficiency.
    Type: Application
    Filed: March 15, 2011
    Publication date: March 21, 2013
    Applicant: KONICA MINOLTA MEDICAL & GRAPHIC, INC.
    Inventors: Keiko Itaya, Takehiko Shoji
  • Publication number: 20130019462
    Abstract: Disclosed is a method of manufacturing a flat panel detector such that the surface on the sale of a fluorescent body layer of a scintillator panel which has the fluorescent body layer comprising a column crystal on the supporting body, is coupled to the planar light receiving element surface of a light-receiving element, comprising: a step of manufacturing the scintillator panel which has a larger area than that of the planar light receiving element surface; a step of trimming the edges of the scintillator panel, obtained by the step of manufacturing the scintillator panel, to correspond to the area of the planar light receiving element surface; and a step of coupling the edge-trimmed scintillator panel to the planar light receiving element surface, thus providing a flat panel detector which has an excellent productivity and that can be made small in size without non-image area.
    Type: Application
    Filed: February 25, 2011
    Publication date: January 24, 2013
    Applicant: KONICA MINOLTA MEDICAL & GRAPHIC, INC.
    Inventors: Takehiko Shoji, Keiko Itaya, Masashi Kondo, Makoto Iijima
  • Publication number: 20120211669
    Abstract: Disclosed is a scintillator panel provided with on a support a phosphor layer comprising columnar crystals and a protective layer sequentially in this order, wherein degraded areas on lateral surfaces of columnar crystals at an end of the phosphor layer and produced by a cutting treatment account for not less than 0% and not more than 40% of an area of all of the side surfaces of the columnar (irystals A production method of the scintillator panel is also disclosed.
    Type: Application
    Filed: February 7, 2012
    Publication date: August 23, 2012
    Applicant: KONICA MINOLTA MEDICAL & GRAPHIC, INC.
    Inventors: Keiko ITAYA, Yoshihiro GOROYA
  • Publication number: 20120211661
    Abstract: Provided is a method for producing a scintillator panel containing a first support having thereon a phosphor layer, and a protective layer on the phosphor layer, the method comprising the steps of (1) dividing a first scintillator panel comprising the first support having thereon the phosphor layer into a plurality of second scintillator panels; (2) providing an adsorbing member between a side of the first support of each of the plurality of the second scintillator panels and a side of a second support; and allowing to adsorb the plurality of the second scintillator panels onto the second support; (3) forming a protective layer on a whole surface of the plurality of the second scintillator panels except a portion of the second scintillator panels which is contacted with the adsorbing member.
    Type: Application
    Filed: February 2, 2012
    Publication date: August 23, 2012
    Applicant: KONICA MINOLTA MEDICAL & GRAPHIC, INC.
    Inventors: Keiko ITAYA, Tadashi ARIMOTO
  • Patent number: 7504200
    Abstract: A photothermographic material is disclosed, comprising on one side of a support a light-sensitive layer comprising a light sensitive silver halide, light-insensitive silver salts of aliphatic carboyxlic acids, a reducing agent and a binder resin and a light-insensitive layer and on the other side of the support a light-insensitive layer, wherein the light-insensitive layer on the light-sensitive layer side and the light-insensitive layer on the other side of the support comprises a silicon-containing polymer lubricant and a fluorine-containing compound represented by formula (SF): [Rf-(L1)m1-]p-(L2)n1-(A)q??Formula (SF).
    Type: Grant
    Filed: January 24, 2008
    Date of Patent: March 17, 2009
    Assignee: Konica Minolta Medical & Graphic, Inc.
    Inventors: Narito Goto, Kiyokazu Morita, Keiko Itaya
  • Publication number: 20080187875
    Abstract: A photothermographic material is disclosed, comprising on one side of a support a light-sensitive layer comprising a light sensitive silver halide, light-insensitive silver salts resin and a light-insensitive layer and on the other side of the supporr a light-insensitive layer, wherein the light-insensitive layer on the light-sensitive layer side and the light-insensitive layer on the other side of the support comprises a silicon-containing polymer lubricant and a fluorine-containing compound represented by formula (SF): [Rf-(L1)m1-]p-(L2)n1-(A)q ??Formula (SF)
    Type: Application
    Filed: January 24, 2008
    Publication date: August 7, 2008
    Applicant: KONICA MINOLTA MEDICAL & GRAPHIC, INC.
    Inventors: Narito Goto, Kiyokazu Morita, Keiko Itaya