Patents by Inventor Takahisa Arai

Takahisa Arai 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: 20210030373
    Abstract: A common area derivation unit derives a common area common to at least a part of a plurality of projection images corresponding to a plurality of radiation source positions which are generated by causing an imaging apparatus to perform tomosynthesis imaging in which a radiation source is moved relative to a detection unit to irradiate a subject with radiation at the plurality of radiation source positions according to movement of the radiation source. A display control unit emphasizes effective image areas, corresponding to the common area, of at least a part of a plurality of tomographic images representing a plurality of tomographic planes of the subject which are generated by reconstructing the plurality of projection images, or a composite two-dimensional image generated from the plurality of tomographic images, and displays at least the part of the tomographic images or the composite two-dimensional image on a display.
    Type: Application
    Filed: July 9, 2020
    Publication date: February 4, 2021
    Applicant: FUJIFILM Corporation
    Inventor: Takahisa ARAI
  • Publication number: 20210030384
    Abstract: A reconstruction unit generates a plurality of tomographic images representing a plurality of tomographic planes of a subject by reconstructing a plurality of projection images acquired by performing tomosynthesis imaging. A synthesis unit synthesizes the plurality of tomographic images to generate a composite two-dimensional image. A display control unit displays the composite two-dimensional image on a display, and in a case where one tissue of a first tissue and a second tissue that are present in the subject in association with each other is selected in the displayed composite two-dimensional image, emphasizes and displays the selected one tissue and the other tissue associated with the selected one tissue.
    Type: Application
    Filed: July 10, 2020
    Publication date: February 4, 2021
    Applicant: FUJIFILM Corporation
    Inventor: Takahisa ARAI
  • Publication number: 20200390418
    Abstract: The attachment includes: a holder that has an opening portion provided at a position corresponding to an ultrasonic wave transmitting and receiving surface of the ultrasound probe and is attachably and detachably fixed to the ultrasound probe; and a protruding portion that draws and holds a sheet-shaped acoustic matching member provided between the opening portion and the ultrasound probe in a close contact direction in which the acoustic matching member is brought into close contact with the transmitting and receiving surface.
    Type: Application
    Filed: June 9, 2020
    Publication date: December 17, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Yoshie FUJIMOTO, Hiroki NAKAYAMA, Takahisa ARAI, Shunsuke KODAIRA
  • Publication number: 20200375562
    Abstract: A compression plate of a mammography apparatus has an upper surface which is irradiated with radiation, a lower surface which is opposite to the upper surface and comes into contact with the breast, and a surface which is parallel to the upper surface between the upper surface and the lower surface. In the compression plate, a compression plate scale for identifying an in-plane position of each surface is given to any one of the surfaces. A first display control unit of a console performs control to display a radiographic image captured by the mammography apparatus on a display unit. A second display control unit of the console performs control to display an image scale which indicates a position on the radiographic image corresponding to the in-plane position of the compression plate on the radiographic image displayed on the display unit.
    Type: Application
    Filed: May 21, 2020
    Publication date: December 3, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Takahisa ARAI, Hiroki NAKAYAMA, Yoshie FUJIMOTO, Shunsuke KODAIRA
  • Publication number: 20200337667
    Abstract: A control device including: a control unit that, in a case in which continuous imaging that irradiates a breast of a subject with radiation emitted from a radiation source to capture a radiographic image in a compressed state in which the breast is compressed against an imaging table by a compression member and then captures an ultrasound image of the breast in the compressed state is performed, performs control to locate the radiation source at a non-facing position where the radiation source and the imaging table do not face each other.
    Type: Application
    Filed: April 23, 2020
    Publication date: October 29, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Takahisa ARAI, Yoshie FUJIMOTO, Hiroki NAKAYAMA, Shunsuke KODAIRA
  • Publication number: 20200305836
    Abstract: An imaging member including: a pressing member that presses a breast of a subject; and an ultrasonography member that has a first surface on which an acoustic matching member having fluidity is provided, and is provided such that a second surface on a side opposite to the first surface is provided on a surface of the pressing member, which is on a side opposite to a surface that comes into contact with the breast, via a coupling material having lower fluidity than the acoustic matching member.
    Type: Application
    Filed: February 27, 2020
    Publication date: October 1, 2020
    Inventors: Takahisa ARAI, Hiroki NAKAYAMA, Yoshie FUJIMOTO, Shunsuke KODAIRA
  • Publication number: 20200305835
    Abstract: A control device including: a breast thickness acquisition unit that acquires a thickness of a breast in a pressed state by a pressing member; a depth information acquisition unit that, in a case where an ultrasound image of the breast in the pressed state is captured, acquires depth information indicating a depth to which imaging by an ultrasonography apparatus which captures the ultrasound image is possible; a deriving unit that derives imaging information indicating whether or not capture of an ultrasound image having predetermined accuracy or higher is possible by the ultrasonography apparatus on the basis of the thickness of the breast acquired by the breast thickness acquisition unit and the depth information acquired by the depth information acquisition unit; and an output unit that outputs the imaging information derived by the deriving unit.
    Type: Application
    Filed: February 28, 2020
    Publication date: October 1, 2020
    Inventors: Takahisa ARAI, Hiroki NAKAYAMA, Yoshie FUJIMOTO, Shunsuke KODAIRA
  • Patent number: 10779794
    Abstract: Provided are a mammography apparatus, a control device, a mammography apparatus control method, and a mammography apparatus control program that can effectively reduce the subject's pain caused by the compression of the breast by a compression plate. A mammography apparatus includes a compression plate that compresses a breast, a moving unit that moves the compression plate in a compression direction in which the breast is compressed and a decompression direction in which the breast is decompressed, a radiation source that emits radiation, and a control unit that controls the moving unit such that the compression plate is moved to a first position in the compression direction and is moved to a second position in the decompression direction and performs control such that the radiation is emitted from the radiation source to the breast in a state in which the compression plate is located at the second position.
    Type: Grant
    Filed: September 4, 2019
    Date of Patent: September 22, 2020
    Assignee: FUJIFILM CORPORATION
    Inventors: Takahisa Arai, Takeyasu Kobayashi, Tomoki Inoue
  • Publication number: 20200289081
    Abstract: A console includes an image processing unit, a defective pixel map data acquisition unit, a failure condition estimation unit, a notification unit, and a display unit. The defective pixel map data acquisition unit acquires defective pixel map data output from a radiography unit. The failure condition estimation unit receives the defective pixel map data acquired by the defective pixel map data acquisition unit and estimates the failure probability of the radiography unit or the usage state of the radiography unit at the time of failure.
    Type: Application
    Filed: March 12, 2020
    Publication date: September 17, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Takahisa ARAI, Takeyasu KOBAYASHI, Shunsuke KODAIRA
  • Publication number: 20200275897
    Abstract: A mammography apparatus includes a compression control unit that, in a case in which continuous imaging that captures a radiographic image of the breast compressed by a compression plate and then captures an ultrasound image of the breast while maintaining the compressed state is performed, performs control to set a force of the compression plate compressing the breast to a first force in the capture of the radiographic image and to change the force of the compression plate compressing the breast from the first force to a second force lower than the first force in the capture of the ultrasound image.
    Type: Application
    Filed: February 19, 2020
    Publication date: September 3, 2020
    Inventors: Takahisa ARAI, Masakazu FUKUYO, Takeyasu KOBAYASHI, Shunsuke KODAIRA
  • Publication number: 20200261048
    Abstract: A radiographic imaging system includes: a radiographic imaging apparatus body that has a movable unit and is disposed in an imaging room; a subject information acquisition unit that acquires subject information regarding a subject; a first position controller that moves a position of the movable unit to a first position according to the physique of the subject using the subject information; an imaging unit that images the subject; a recognition unit that recognizes the subject using an image of the subject captured by the imaging unit; and a second position controller that moves the position of the movable unit from the first position to a second position according to a recognition result of the recognition unit using the recognition result of the recognition unit.
    Type: Application
    Filed: February 11, 2020
    Publication date: August 20, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Takahisa ARAI, Takeyasu KOBAYASHI, Shunsuke KODAIRA
  • Publication number: 20200261046
    Abstract: A mammography apparatus includes a diagnostic image acquisition unit that acquires a diagnostic image in which a calcification as a biopsy target is marked; a scout image acquisition unit that acquires a scout image obtained by imaging a mamma undergoing the biopsy from a specific direction; and a display unit that highlights a calcification (candidate for biological tissue examination) in the scout image which matches at least the marked calcification in the diagnostic image.
    Type: Application
    Filed: February 18, 2020
    Publication date: August 20, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Takahisa ARAI, Takeyasu KOBAYASHI, Shunsuke KODAIRA
  • Publication number: 20200265571
    Abstract: A mammography apparatus (radiographic imaging apparatus) includes: a total irradiation time acquisition unit that acquires the total irradiation time of X-rays (radiation); a divided irradiation time calculation unit that calculates a divided irradiation time by dividing the total irradiation time; an imaging controller that obtains a plurality of time-division images by time-division imaging in which radiographic imaging is performed multiple times according to the divided irradiation time; a feature point recognition unit that recognizes feature points for each of the time-division images; a time-division image selection unit that selects some or all of the time-division images from the plurality of time-division images using the feature points; and a composite image generation unit that generates a composite image using the selected time-division images.
    Type: Application
    Filed: February 13, 2020
    Publication date: August 20, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Takahisa ARAI, Takeyasu KOBAYASHI, Shunsuke KODAIRA
  • Publication number: 20200261045
    Abstract: A console (information processing apparatus) of a mammography apparatus includes: a compression conditions acquisition unit that acquires a compression force and a compression thickness measured in the imaging of a first breast that is one of a right breast and a left breast; a compression conditions estimation unit that, in the case of imaging a second breast that is the other one of the right breast and the left breast, estimates a compression force and a compression thickness of the second breast using the compression force and the compression thickness of the first breast; and a display unit that displays the compression force and the compression thickness estimated by the compression conditions estimation unit at least in imaging of the second breast.
    Type: Application
    Filed: February 12, 2020
    Publication date: August 20, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Takahisa ARAI, Takeyasu KOBAYASHI, Shunsuke KODAIRA
  • Publication number: 20200146652
    Abstract: An acoustic matching member configured to be disposed between a breast placed on an imaging table and a compression plate disposed opposite to the imaging table is proposed. The acoustic matching member includes a protruding portion that protrudes toward the imaging table and that is provided in an end portion on a deepest side when viewed from a chest wall side of a subject in a case of compressing a breast of the subject in contact with the compression plate.
    Type: Application
    Filed: January 17, 2020
    Publication date: May 14, 2020
    Inventors: Takahisa ARAI, Takeyasu KOBAYASHI, Takao KUWABARA
  • Patent number: 10631810
    Abstract: A control unit sets an angle of incidence of radiation, incident on a detection surface of a radiation detector with respect to the detection surface, to a plurality of angles different from each other including an angle (0 degrees) in a normal direction of the detection surface, and acquires at least one of a plurality of projection images captured by the radiation detector in accordance with the angle of incidence or reconstructed images reconstructed using the projection images. In addition, the control unit generates a first synthetic mammogram image on the basis of the one image. In addition, the control unit 40 generates a second synthetic mammogram image by synthesizing a high-frequency image having a high-frequency component higher than a predetermined frequency of the first synthetic mammogram image and a low-frequency image having a low-frequency component of equal to or lower than a predetermined frequency of a zero-degree projection image.
    Type: Grant
    Filed: February 14, 2018
    Date of Patent: April 28, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Takahisa Arai, Tomoki Inoue, Takeshi Okubo
  • Patent number: 10588600
    Abstract: An acoustic matching member configured to be disposed between a breast placed on an imaging table and a compression plate disposed opposite to the imaging table is proposed. The acoustic matching member includes a protruding portion that protrudes toward the imaging table and that is provided in an end portion on a deepest side when viewed from a chest wall side of a subject in a case of compressing a breast of the subject in contact with the compression plate.
    Type: Grant
    Filed: March 30, 2017
    Date of Patent: March 17, 2020
    Assignee: FUJIFILM CORPORATION
    Inventors: Takahisa Arai, Takeyasu Kobayashi, Takao Kuwabara
  • Publication number: 20190388052
    Abstract: Provided are a mammography apparatus, a control device, a mammography apparatus control method, and a mammography apparatus control program that can effectively reduce the subject's pain caused by the compression of the breast by a compression plate. A mammography apparatus includes a compression plate that compresses a breast, a moving unit that moves the compression plate in a compression direction in which the breast is compressed and a decompression direction in which the breast is decompressed, a radiation source that emits radiation, and a control unit that controls the moving unit such that the compression plate is moved to a first position in the compression direction and is moved to a second position in the decompression direction and performs control such that the radiation is emitted from the radiation source to the breast in a state in which the compression plate is located at the second position.
    Type: Application
    Filed: September 4, 2019
    Publication date: December 26, 2019
    Inventors: Takahisa ARAI, Takeyasu KOBAYASHI, Tomoki INOUE
  • Patent number: 10463338
    Abstract: Provided are a mammography apparatus, a control device, a mammography apparatus control method, and a mammography apparatus control program that can effectively reduce the subject's pain caused by the compression of the breast by a compression plate. A mammography apparatus includes a compression plate that compresses a breast, a moving unit that moves the compression plate in a compression direction in which the breast is compressed and a decompression direction in which the breast is decompressed, a radiation source that emits radiation, and a control unit that controls the moving unit such that the compression plate is moved to a first position in the compression direction and is moved to a second position in the decompression direction and performs control such that the radiation is emitted from the radiation source to the breast in a state in which the compression plate is located at the second position.
    Type: Grant
    Filed: June 15, 2017
    Date of Patent: November 5, 2019
    Assignee: FUJIFILM CORPORATION
    Inventors: Takahisa Arai, Takeyasu Kobayashi, Tomoki Inoue
  • Patent number: 10448917
    Abstract: A mammography apparatus includes: a compression plate that compresses a breast; a moving unit that moves the compression plate in a compression direction in which the breast is compressed and a decompression direction in which the breast is decompressed; a radiation source that emits radiation; and a control unit that controls the moving unit such that the compression plate is moved to a first position in the compression direction, is moved to a second position where the position of the compression plate is changed from the first position by a predetermined variation or more in the decompression direction, and is stopped and performs control such that the radiation is emitted from the radiation source to the breast.
    Type: Grant
    Filed: June 16, 2017
    Date of Patent: October 22, 2019
    Assignee: FUJIFILM CORPORATION
    Inventors: Takahisa Arai, Takeyasu Kobayashi