Patents by Inventor Haruyasu Nakatsugawa

Haruyasu Nakatsugawa 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: 10321887
    Abstract: In an image analysis device, an image analysis method, and a non-transitory computer-readable recording medium, it is determined whether a radiographic image is captured by rocking a rocking imaging grid. The image analysis device includes: a radiographic image acquisition section; a dosage data acquisition section that acquires dosage data indicating, in a time-series manner, a dosage of radiation rays exposed to a specific position in an imaging area in a specific period; and a determining section that determines whether the dosage data has a first feature indicating a dosage variation as a plurality of radiation absorbing bodies and a radiation transmitting body disposed between adjacent radiation absorbing bodies pass through a space between the specific position and a radiation source, and determines that the radiographic image corresponding to the dosage data determined to have the first feature is a rocking grid use image captured by rocking a rocking imaging grid.
    Type: Grant
    Filed: July 20, 2018
    Date of Patent: June 18, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Takashi Tajima, Jun Enomoto, Yasufumi Oda, Takeshi Kuwabara, Daiki Harada, Yuichi Hosoi, Haruyasu Nakatsugawa
  • Patent number: 10317540
    Abstract: A radiation detector includes a flexible substrate; a plurality of pixels provided on a first surface of the substrate to accumulate electrical charges generated in accordance with light converted from radiation; and a terminal region part formed with a plurality of terminal regions each including terminals connected to a predetermined pixel group including some of the plurality of pixels and formed on the first surface of the substrate.
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: June 11, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Keiichi Akamatsu, Shinichi Ushikura, Naoto Iwakiri, Haruyasu Nakatsugawa, Naoyuki Nishino
  • Patent number: 10258305
    Abstract: It is detected whether a grid stripe is present in a radiographic image. In a case in which the grid stripe is detected, a process of removing the grid stripe from the radiographic image is performed and the radiographic image is displayed. In a case in which the grid stripe is not detected, a process of removing a scattered component from the radiographic image is performed and a radiographic image subjected to the scattered radiation removal process and a radiographic image before the process are displayed.
    Type: Grant
    Filed: April 28, 2016
    Date of Patent: April 16, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Jun Enomoto, Takashi Tajima, Takeshi Koishi, Haruyasu Nakatsugawa, Hirofumi Sawada, Daiki Harada, Takahiro Kawamura, Satoshi Naito, Hideki Yamagishi, Noriaki Ida
  • Patent number: 10261197
    Abstract: A radiation detector includes a flexible substrate, and a sensor board including a layer which is provided on a first surface of the substrate and in which a plurality of pixels, which accumulate electrical charges generated in accordance with light converted from radiation, are formed, a conversion layer that is provided on the first surface side of the sensor board to convert radiation into light, a protective film that covers at least a region ranging from a region that covers the conversion layer to a region at an outer peripheral part of a second surface opposite to the first surface of the substrate, and a supporting member that supports the region of the substrate via the protective film from the second surface side of the substrate.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: April 16, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Shinichi Ushikura, Keiichi Akamatsu, Haruyasu Nakatsugawa
  • Patent number: 10219770
    Abstract: A radiographic image captured by irradiating a subject with radiation is acquired. A scattered radiation removal unit removes a scattered component from the radiographic image using at least imaging conditions. A correction information acquisition unit acquires correction information for correcting the degree of removal of the scattered component and changes the imaging conditions on the basis of the correction information. The scattered radiation removal unit performs a process of removing the scattered component from the radiographic image on the basis of the changed imaging conditions.
    Type: Grant
    Filed: April 28, 2016
    Date of Patent: March 5, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Jun Enomoto, Takashi Tajima, Takeshi Koishi, Haruyasu Nakatsugawa, Hirofumi Sawada, Daiki Harada, Takahiro Kawamura, Satoshi Naito, Hideki Yamagishi, Noriaki Ida
  • Publication number: 20190049595
    Abstract: A radiological image conversion panel 2 is provided with a phosphor 18 containing a fluorescent material that emits fluorescence by radiation exposure, in which the phosphor includes, a columnar section 34 formed by a group of columnar crystals which are obtained through columnar growth of crystals of the fluorescent material, and a non-columnar section 36, the columnar section and the non-columnar section are integrally formed to overlap in a crystal growth direction of the columnar crystals, and a thickness of the non-columnar section along the crystal growth direction is non-uniform in a region of at least a part of the non-columnar section.
    Type: Application
    Filed: October 10, 2018
    Publication date: February 14, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Yasuhisa KANEKO, Haruyasu NAKATSUGAWA, Keiichirou SATO, Makoto KITADA, Kei MIURA
  • Publication number: 20190046140
    Abstract: In the radiography system, a camera provided in an X-ray source captures a camera image indicating a usage environment in which an electronic cassette is used. The electronic cassette is inserted into the field of view of the camera. An in-image cassette region of the electronic cassette is detected from the camera image. A cassette ID of the electronic cassette is acquired from the in-image cassette region. The acquired cassette ID is collated with registration information set in a console and a use cassette setting process is performed on the basis of the collation result.
    Type: Application
    Filed: August 9, 2018
    Publication date: February 14, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Masato HATTORI, Ryo IMAMURA, Haruyasu NAKATSUGAWA, Koichi KITANO, Naoyuki NISHINO
  • Patent number: 10201065
    Abstract: A radiographic image capturing apparatus has a radiation source device including a radiation source for outputting radiation, and a detector device including a radiation detector for detecting radiation that is transmitted through a subject when the subject is irradiated with radiation by the radiation source, and converting the detected radiation into a radiographic image. At least one of the radiation source device and the detector device has an electric power supply limiting unit for limiting supply of electric power, and the electric power supply limiting unit controls supply of electric power between the radiation source device and the detector device, depending on timing of an image capturing process.
    Type: Grant
    Filed: September 14, 2015
    Date of Patent: February 5, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Yasunori Ohta, Naoyuki Nishino, Haruyasu Nakatsugawa
  • Patent number: 10154825
    Abstract: The present disclosure provides an image processing device including: a scattered radiation correction data acquisition section that acquires scattered radiation correction data as a result of radiation being irradiated onto a radiographic imaging device that images a radiographic image; a pixel region acquisition section that acquires information indicating a size of an effective pixel region of the radiographic imaging device; an exposure range acquisition section that acquires information indicating an imaging exposure range of radiation for imaging an imaging subject with the radiographic imaging device; an image data acquisition section that acquires image data as a result of imaging a radiographic image of the imaging subject; and a correction section that corrects the image data acquired by the image data acquisition section using the scattered radiation correction data, in a case in which the imaging exposure range includes an area outside of the effective pixel region.
    Type: Grant
    Filed: February 23, 2016
    Date of Patent: December 18, 2018
    Assignee: FUJIFILM CORPORATION
    Inventors: Jun Enomoto, Takashi Tajima, Yasufumi Oda, Takeshi Kuwabara, Daiki Harada, Yuichi Hosoi, Haruyasu Nakatsugawa
  • Publication number: 20180344280
    Abstract: In an image analysis device, an image analysis method, and a non-transitory computer-readable recording medium, it is determined whether a radiographic image is captured by rocking a rocking imaging grid. The image analysis device includes: a radiographic image acquisition section; a dosage data acquisition section that acquires dosage data indicating, in a time-series manner, a dosage of radiation rays exposed to a specific position in an imaging area in a specific period; and a determining section that determines whether the dosage data has a first feature indicating a dosage variation as a plurality of radiation absorbing bodies and a radiation transmitting body disposed between adjacent radiation absorbing bodies pass through a space between the specific position and a radiation source, and determines that the radiographic image corresponding to the dosage data determined to have the first feature is a rocking grid use image captured by rocking a rocking imaging grid.
    Type: Application
    Filed: July 20, 2018
    Publication date: December 6, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Takashi TAJIMA, Jun ENOMOTO, Yasufumi ODA, Takeshi KUWABARA, Daiki HARADA, Yuichi HOSOI, Haruyasu NAKATSUGAWA
  • Publication number: 20180333121
    Abstract: Provided are a radiography system, a radiography method, a radiography program, and a body thickness estimation apparatus that can estimate the body thickness of a subject using each of radiographic images generated by irradiation with radiations having different energy levels. A radiography system includes a radiography apparatus including two radiation detectors and a console including an estimation unit that estimates the body thickness of a subject on the basis of the ratio of pixel values in a region, which corresponds to a soft tissue of the subject and is a corresponding region of radiographic images generated by the two radiation detectors irradiated with radiations having different energy levels, and correspondence relationship information in which the ratio and the body thickness are associated with each other.
    Type: Application
    Filed: May 16, 2018
    Publication date: November 22, 2018
    Inventors: Takeshi KUWABARA, Yasufumi ODA, Haruyasu NAKATSUGAWA
  • Patent number: 10126435
    Abstract: A radiological image conversion panel 2 is provided with a phosphor 18 containing a fluorescent material that emits fluorescence by radiation exposure, in which the phosphor includes, a columnar section 34 formed by a group of columnar crystals which are obtained through columnar growth of crystals of the fluorescent material, and a non-columnar section 36, the columnar section and the non-columnar section are integrally formed to overlap in a crystal growth direction of the columnar crystals, and a thickness of the non-columnar section along the crystal growth direction is non-uniform in a region of at least a part of the non-columnar section.
    Type: Grant
    Filed: September 29, 2015
    Date of Patent: November 13, 2018
    Assignee: FUJIFILM Corporation
    Inventors: Yasuhisa Kaneko, Haruyasu Nakatsugawa, Keiichirou Sato, Makoto Kitada, Kei Miura
  • Publication number: 20180313961
    Abstract: The radiation detector includes: a sensor board including a flexible substrate and a layer which is provided on a first surface of the substrate and in which a plurality of pixels, which accumulate electrical charges generated in accordance with light converted from radiation, are formed; a conversion layer that is provided on a side, opposite to the substrate, of the layer in which the pixels are formed, and converts radiation into light; protective film that covers at least the conversion layer; a reinforcing member provided on a second surface opposite to the first surface of the substrate; and a supporting member that supports the reinforcing member with the reinforcing member sandwiched between the supporting member and the second surface of the substrate.
    Type: Application
    Filed: July 3, 2018
    Publication date: November 1, 2018
    Inventors: Shinichi USHIKURA, Keiichi AKAMATSU, Haruyasu NAKATSUGAWA, Naoyuki NISHINOU, Shunsuke KODAIRA
  • Publication number: 20180313962
    Abstract: The radiation detector includes a sensor board including a flexible substrate and a layer which is provided on a first surface of the substrate and in which a plurality of pixels, which accumulate electrical charges generated in accordance with light converted from radiation, are formed; a conversion layer that is provided on a side, opposite to the substrate, of the layer in which the pixels are formed, and converts radiation into the light; a first protective film that is provided on the first surface side of the substrate with an end part also provided on the first surface side of the substrate and covers at least the entire conversion layer; and a second protective film that covers at least a second surface opposite to the first surface.
    Type: Application
    Filed: July 3, 2018
    Publication date: November 1, 2018
    Inventors: Shinichi USHIKURA, Keiichi AKAMATSU, Naoto IWAKIRI, Haruyasu NAKATSUGAWA
  • Publication number: 20180275292
    Abstract: A radiographic imaging apparatus includes a sensor board including a flexible substrate, and a plurality of pixels that are provided on a first surface of the substrate to accumulate electrical charges generated in accordance with light converted from radiation. Additionally, the radiographic imaging apparatus includes flexible cables having one ends electrically connected to the sensor board and the other ends provided with connectors, and flexible cables on which signal processing circuit parts are mounted and which are connected electrically to the cables by the one ends thereof being electrically connected to the connectors. Additionally, the radiographic imaging apparatus includes flexible cables having one ends electrically connected to the sensor board and the other ends provided with connectors, and flexible cables on which drive circuit parts are mounted and which are connected electrically to the cables by the one ends thereof being electrically connected to the connectors.
    Type: Application
    Filed: February 7, 2018
    Publication date: September 27, 2018
    Inventors: Keiichi AKAMATSU, Shinichi USHIKURA, Takeya MEGURO, Haruyasu NAKATSUGAWA
  • Publication number: 20180275290
    Abstract: A radiation detector includes a flexible substrate, and a sensor board including a layer which is provided on a first surface of the substrate and in which a plurality of pixels, which accumulate electrical charges generated in accordance with light converted from radiation, are formed, a conversion layer that is provided on the first surface side of the sensor board to convert radiation into light, a protective film that covers at least a region ranging from a region that covers the conversion layer to a region at an outer peripheral part of a second surface opposite to the first surface of the substrate, and a supporting member that supports the region of the substrate via the protective film from the second surface side of the substrate.
    Type: Application
    Filed: February 7, 2018
    Publication date: September 27, 2018
    Inventors: Shinichi USHIKURA, Keiichi AKAMATSU, Haruyasu NAKATSUGAWA
  • Publication number: 20180275288
    Abstract: A radiation detector includes a flexible substrate; a plurality of pixels provided on a first surface of the substrate to accumulate electrical charges generated in accordance with light converted from radiation; and a terminal region part formed with a plurality of terminal regions each including terminals connected to a predetermined pixel group including some of the plurality of pixels and formed on the first surface of the substrate.
    Type: Application
    Filed: February 23, 2018
    Publication date: September 27, 2018
    Inventors: Keiichi AKAMATSU, Shinichi USHIKURA, Naoto IWAKIRI, Haruyasu NAKATSUGAWA, Naoyuki NISHINO
  • Patent number: 10058301
    Abstract: In an image analysis device, an image analysis method, and a non-transitory computer-readable recording medium, it is determined whether a radiographic image is captured by rocking a rocking imaging grid. The image analysis device includes: a radiographic image acquisition section; a dosage data acquisition section that acquires dosage data indicating, in a time-series manner, a dosage of radiation rays exposed to a specific position in an imaging area in a specific period; and a determining section that determines whether the dosage data has a first feature indicating a dosage variation as a plurality of radiation absorbing bodies and a radiation transmitting body disposed between adjacent radiation absorbing bodies pass through a space between the specific position and a radiation source, and determines that the radiographic image corresponding to the dosage data determined to have the first feature is a rocking grid use image captured by rocking a rocking imaging grid.
    Type: Grant
    Filed: September 2, 2015
    Date of Patent: August 28, 2018
    Assignee: FUJIFILM Corporation
    Inventors: Takashi Tajima, Jun Enomoto, Yasufumi Oda, Takeshi Kuwabara, Daiki Harada, Yuichi Hosoi, Haruyasu Nakatsugawa
  • Publication number: 20180228459
    Abstract: Disclosed is a technique capable of enhancing usability of a radiographic image capturing apparatus, system, control method of the radiographic image capturing apparatus and a non-transitory computer readable recording medium recorded with a control program, for a user. A radiographic image capturing apparatus includes: an I/F unit and an imaging control unit that function as a communication unit that selectively performs communication with any one of a portable information terminal and a console which are plural control apparatuses that have different image processing capacities with respect to a radiographic image and respectively perform a control relating to capturing of the radiographic image; and an imaging control unit that functions as a selection unit that selects any one of plural imaging modes predetermined with respect to the capturing of the radiographic image according to the image processing capacity of the control apparatus that performs communication with the communication unit.
    Type: Application
    Filed: April 17, 2018
    Publication date: August 16, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Yasufumi ODA, Jun ENOMOTO, Ryou IMAMURA, Takashi TAJIMA, Kentaro NOMA, Takeshi KUWABARA, Tetsuya TSUJI, Hiroaki YASUDA, Haruyasu NAKATSUGAWA, Takeshi KOISHI
  • Patent number: 10045745
    Abstract: The present invention provides a radiation blocking unit including: an attachment member that is attachable between sources and an object table surface to which radiation from a radiation source and visible light from a visible light source are emitted, the sources including the radiation source and the visible light source; a radiation blocking portion, disposed on the attachment member, that transmits the illuminated visible light to an overlapping incidence region on the object table surface in which an incidence region of the radiation and an incidence region of the visible light overlap, and that blocks the irradiated radiation outside the overlapping incidence region; and a visible light blocking portion, disposed on the attachment member, that transmits the irradiated radiation to the overlapping incidence region, and blocks the illuminated visible light outside the overlapping incidence region.
    Type: Grant
    Filed: November 24, 2017
    Date of Patent: August 14, 2018
    Assignee: FUJIFILM CORPORATION
    Inventors: Hiroaki Yasuda, Yoshihiro Nishi, Haruyasu Nakatsugawa