Patents by Inventor Hisayuki Uehara

Hisayuki Uehara 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: 20240074716
    Abstract: According to one embodiment, an X-ray diagnosis apparatus includes a table, an imaging unit, and processing circuitry. The table includes a table top on which a subject is placed. The imaging unit includes an X-ray tube which emits X-rays to the subject and an X-ray detector which detects the X-rays. The processing circuitry detects contact between an object and at least one of the imaging unit and the table. The processing circuitry executes control to display contact position information relating to a position in contact with the object based on a detection result.
    Type: Application
    Filed: September 6, 2023
    Publication date: March 7, 2024
    Applicant: Canon Medical Systems Corporation
    Inventors: Keisuke SUGAWARA, Saki HASHIMOTO, Masanori MATSUMOTO, Yoshiyuki SATO, Hisayuki UEHARA, Shingo ABE, Akio TETSUKA
  • Publication number: 20240032882
    Abstract: According to one embodiment, an X-ray diagnostic apparatus includes processing circuitry. The processing circuitry sets a plurality of ROIs in a first X-ray image. The processing circuitry calculates a statistical value for each ROI based on a plurality of values of pixels included in each ROI, thereby obtaining a plurality of statistical values. The processing circuitry acquires a threshold value for each statistical value. The processing circuitry determines a set of X-ray conditions relating to capturing of a second X-ray image subsequent to the first X-ray image based on the statistical value and the threshold value relating to each ROI.
    Type: Application
    Filed: July 24, 2023
    Publication date: February 1, 2024
    Applicant: Canon Medical Systems Corporation
    Inventors: Masanori MATSUMOTO, Saki HASHIMOTO, Keisuke SUGAWARA, Shingo ABE, Akio TETSUKA, Yusuke KANNO, Yoshiyuki SATO, Hisayuki UEHARA
  • Publication number: 20230165548
    Abstract: According to an embodiment, there is provided that processing circuitry configured to determine a first radiation timing at which a subject is irradiated with an X-ray, based on information on motion of an object in X-ray image data, the information on motion being calculated by the X-ray image data, the X-ray image data being associated with an electrocardiographic waveform of the subject, and repeatedly irradiate the subject with an X-ray at the first radiation timing per cycle of the electrocardiographic waveform of the subject.
    Type: Application
    Filed: November 30, 2022
    Publication date: June 1, 2023
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Masanori MATSUMOTO, Hirona OIKAWA, Shingo ABE, Akio TETSUKA, Yoshiyuki SATO, Yusuke KANNO, Hisayuki UEHARA
  • Publication number: 20230101778
    Abstract: An X-ray diagnostic apparatus according to an embodiment includes an X-ray tube, an X-ray detector, image generating circuitry, and processing circuitry. The X-ray tube emits X-rays. The X-ray detector detects X-rays emitted from the X-ray tube and transmitted through a subject. The processing circuitry receives a designating operation related a display mode for a target that is at least one of a region of the subject and an object inserted in the subject. In response to the designating operation, the processing circuitry changes the display mode of the target in an X-ray projection image that is based on a detection result of the X-ray detector, the display mode being changed based on three-dimensional medical image data related to the subject.
    Type: Application
    Filed: September 15, 2022
    Publication date: March 30, 2023
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Hisayuki UEHARA, Shingo ABE, Masaki KOBAYASHI, Keisuke NAKAMURA
  • Patent number: 10687771
    Abstract: An X-ray diagnostic apparatus according to one embodiment comprises an X-ray tube, an X-ray detector, a holding mechanism, position specifying circuitry and control circuitry. The X-ray detector detects the X-ray which has been generated by the X-ray tube and has passed through an object placed on a top of a bed movable in an examination room. The holding mechanism holds the X-ray tube and the X-ray detector, and movable in the examination room. The position specifying circuitry specifies a position of the holding mechanism in the examination room and a position of the bed in the examination room. The control circuitry controls the holding mechanism in order to change a position and angle of the holding mechanism based on the position of the holding mechanism and the position of the bed.
    Type: Grant
    Filed: November 27, 2015
    Date of Patent: June 23, 2020
    Assignee: Canon Medical Systems Corporation
    Inventors: Hisayuki Uehara, Takeo Matsuzaki, Akio Tetsuka, Jun Sakakibara, Katsuie Ikawa, Masashi Hirasawa, Keisuke Sugawara
  • Patent number: 10638998
    Abstract: An X-ray diagnostic apparatus comprises an X-ray tube and processing circuitry. The X-ray tube includes a rotary anode. The processing circuitry is configured to derive an acquiring condition from a fluoroscopic image, and start to increase, in accordance with the acquiring condition derived, a rotating speed of the anode from a low rotating speed to a high rotating speed before the X-ray tube finishes emitting an X-ray to acquire the fluoroscopic image.
    Type: Grant
    Filed: June 7, 2017
    Date of Patent: May 5, 2020
    Assignee: Canon Medical Systems Corporation
    Inventors: Yuki Totsuka, Masaharu Soya, Katsuo Takahashi, Kansei Takahashi, Akira Mochiduki, Katsunori Kojima, Daisuke Sato, Hisayuki Uehara, Hiroyoshi Kobayashi, Akio Tetsuka
  • Patent number: 10285660
    Abstract: According to one embodiment, an X-ray diagnostic apparatus includes a support frame, an input button, and processing circuitry. The support frame supports an X-ray detector which detects X-rays. The input button provides on at least one of an exterior of the support frame and an exterior of the X-ray detector and inputs an instruction to implement an assigned moving operation pattern of a plurality of moving operation patterns concerning movement of at least one of the support frame, the X-ray detector, and a table top. The processing circuitry assigns the input button with an instruction to implement a moving operation pattern, of the plurality of moving operation patterns, which is selected by an operator.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: May 14, 2019
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Ryuji Zaiki, Hisayuki Uehara, Masashi Hirasawa, Kazuhiro Taniyama, Kazuo Imagawa, Katsuie Ikawa
  • Publication number: 20170352518
    Abstract: An X-ray diagnostic apparatus comprises an X-ray tube and processing circuitry. The X-ray tube includes a rotary anode. The processing circuitry is configured to derive an acquiring condition from a fluoroscopic image, and start to increase, in accordance with the acquiring condition derived, a rotating speed of the anode from a low rotating speed to a high rotating speed before the X-ray tube finishes emitting an X-ray to acquire the fluoroscopic image.
    Type: Application
    Filed: June 7, 2017
    Publication date: December 7, 2017
    Applicant: Toshiba Medical Systems Corporation
    Inventors: Yuki TOTSUKA, Masaharu SOYA, Katsuo TAKAHASHI, Kansei TAKAHASHI, Akira MOCHIDUKl, Katsunori KOJIMA, Daisuke SATO, Hisayuki UEHARA, Hiroyoshi KOBAYASHI, Akio TETSUKA
  • Publication number: 20160220218
    Abstract: According to one embodiment, an X-ray diagnostic apparatus includes a support frame, an input button, and processing circuitry. The support frame supports an X-ray detector which detects X-rays. The input button provides on at least one of an exterior of the support frame and an exterior of the X-ray detector and inputs an instruction to implement an assigned moving operation pattern of a plurality of moving operation patterns concerning movement of at least one of the support frame, the X-ray detector, and a table top. The processing circuitry assigns the input button with an instruction to implement a moving operation pattern, of the plurality of moving operation patterns, which is selected by an operator.
    Type: Application
    Filed: January 29, 2016
    Publication date: August 4, 2016
    Applicants: KABUSHIKI KAISHA TOSHIBA, Toshiba Medical Systems Corporation
    Inventors: Ryuji ZAIKI, Hisayuki UEHARA, Masashi HIRASAWA, Kazuhiro TANIYAMA, Kazuo IMAGAWA, Katsuie IKAWA
  • Patent number: 9384545
    Abstract: An X-ray image diagnosis apparatus according to an embodiment includes: an image processing unit configured to create a synthesized image by synthesizing an X-ray image of a region of interest inside a given region and an X-ray image of a peripheral region excluding the region of interest in the given region, wherein when the region of interest is changed, the image processing unit acquires an X-ray image of a changed region which is in the region of interest before the change and is changed to the peripheral region, from the X-ray image of the region of interest before the change, and then superimposes the X-ray image of the changed region on the X-ray image of the peripheral region to create the synthesized image.
    Type: Grant
    Filed: November 28, 2012
    Date of Patent: July 5, 2016
    Assignees: Kabushiki Kaisha Toshiba, Toshiba Medical Systems Corporation
    Inventors: Hisayuki Uehara, Toshiya Waku, Mitsuru Sakata, Yoshiyasu Hayashi
  • Publication number: 20160074000
    Abstract: An X-ray diagnostic apparatus according to one embodiment comprises an X-ray tube, an X-ray detector, a holding mechanism, position specifying circuitry and control circuitry. The X-ray detector detects the X-ray which has been generated by the X-ray tube and has passed through an object placed on a top of a bed movable in an examination room. The holding mechanism holds the X-ray tube and the X-ray detector, and movable in the examination room. The position specifying circuitry specifies a position of the holding mechanism in the examination room and a position of the bed in the examination room. The control circuitry controls the holding mechanism in order to change a position and angle of the holding mechanism based on the position of the holding mechanism and the position of the bed.
    Type: Application
    Filed: November 27, 2015
    Publication date: March 17, 2016
    Applicants: KABUSHIKI KAISHA TOSHIBA, Toshiba Medical Systems Corporation
    Inventors: Hisayuki UEHARA, Takeo MATSUZAKI, Akio TETSUKA, Jun SAKAKIBARA, Katsuie IKAWA, Masashi HIRASAWA, Keisuke SUGAWARA
  • Publication number: 20150320374
    Abstract: A diagnostic X-ray apparatus of an embodiment includes determining circuitry, projection image generating circuitry, and a display. The determining circuitry determines, based on position information of a probe of a diagnostic ultrasound apparatus acquired from the diagnostic ultrasound apparatus, at least one of an angle horizontal to a scan plane of the probe and an angle vertical to the scan plane of the probe to be an X-ray irradiation direction in processing to perform puncture using a puncture needle. The projection image generating circuitry generates, based on the position information and the X-ray irradiation direction, projection image data that projects an ultrasound image of the scan plane in the X-ray irradiation direction. The display displays X-ray image data containing the puncture needle photographed in the X-ray irradiation direction and the projection image data generated by the projection image generating circuitry.
    Type: Application
    Filed: July 21, 2015
    Publication date: November 12, 2015
    Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems Corporation
    Inventors: Hisayuki UEHARA, Masaki AKIYAMA, Hajime YOSHIDA
  • Publication number: 20140328462
    Abstract: According to one embodiment, a medical image processing apparatus includes an image storage part, an image acquisition part, an information addition part and an image composition part. The image storage part stores the first X-ray image data corresponding to different time phases and corresponding to a region including a ROI. The image acquisition part sequentially acquires the second X-ray image data corresponding to the time phases and corresponding to the ROI. The information addition part adds information indicating the time phases to the first and second X-ray image data. The image composition part sequentially combines the first X-ray image data with the second X-ray image data, whose time phase corresponds to a time phase of the first X-ray image data, based on the information indicating the time phases incidental to the first and second X-ray image data.
    Type: Application
    Filed: July 24, 2014
    Publication date: November 6, 2014
    Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems Corporation
    Inventors: Hisayuki UEHARA, Yoshinori Shimizu, Masaki AKIYAMA
  • Patent number: 8831173
    Abstract: According to one embodiment, an X-ray diagnostic apparatus includes an X-ray tube, first detector, second detector, arm, sliding mechanism, tilting mechanism, and control unit. The X-ray tube includes an anode to generate X-rays upon receiving electrons. The first detector has the first pixel size. The second detector has the second pixel size smaller than the first pixel size. The arm pivotally supports the X-ray tube, first detector, and second detector. The sliding mechanism slidably supports the first and second detectors so as to irradiate one of the first and second detectors with the X-rays generated by the X-ray tube. The tilting mechanism tiltably supports the X-ray tube to change the size of an effective X-ray focal spot on the anode. The control unit controls the sliding of the first and second detectors by the sliding mechanism upon interlocking with the tilting of the X-ray tube by the tilting mechanism.
    Type: Grant
    Filed: October 14, 2010
    Date of Patent: September 9, 2014
    Assignees: Kabushiki Kaisha Toshiba, Toshiba Medical Systems Corporation
    Inventors: Hisayuki Uehara, Reiko Hashimoto, Yoshiyasu Hayashi, Kunitoshi Matsumoto, Satoru Ohishi
  • Publication number: 20130136332
    Abstract: An X-ray image diagnosis apparatus according to an embodiment includes: an image processing unit configured to create a synthesized image by synthesizing an X-ray image of a region of interest inside a given region and an X-ray image of a peripheral region excluding the region of interest in the given region, wherein when the region of interest is changed, the image processing unit acquires an X-ray image of a changed region which is in the region of interest before the change and is changed to the peripheral region, from the X-ray image of the region of interest before the change, and then superimposes the X-ray image of the changed region on the X-ray image of the peripheral region to create the synthesized image.
    Type: Application
    Filed: November 28, 2012
    Publication date: May 30, 2013
    Inventors: Hisayuki UEHARA, Toshiya Waku, Mitsuru Sakata, Yoshiyasu Hayashi
  • Publication number: 20110096894
    Abstract: According to one embodiment, an X-ray diagnostic apparatus includes an X-ray tube, first detector, second detector, arm, sliding mechanism, tilting mechanism, and control unit. The X-ray tube includes an anode to generate X-rays upon receiving electrons. The first detector has the first pixel size. The second detector has the second pixel size smaller than the first pixel size. The arm pivotally supports the X-ray tube, first detector, and second detector. The sliding mechanism slidably supports the first and second detectors so as to irradiate one of the first and second detectors with the X-rays generated by the X-ray tube. The tilting mechanism tiltably supports the X-ray tube to change the size of an effective X-ray focal spot on the anode. The control unit controls the sliding of the first and second detectors by the sliding mechanism upon interlocking with the tilting of the X-ray tube by the tilting mechanism.
    Type: Application
    Filed: October 14, 2010
    Publication date: April 28, 2011
    Inventors: Hisayuki Uehara, Reiko Hashimoto, Yoshiyasu Hayashi, Kunitoshi Matsumoto, Satoru Ohishi
  • Patent number: 7029177
    Abstract: An X-ray diagnosis apparatus for obtaining an X-ray image comprises an X-ray radiator, a detector, a first mechanism, a second mechanism, a controller, and an image processor. The X-ray radiator is configured to radiate an X-ray to a specimen. The detector is configured to detect an X-ray data resulting from the X-ray. The first mechanism is coupled to the detector and is configured to shift the detector along a detecting plane of the detector. The second mechanism is coupled to the X-ray radiator and is configured to change a radiation direction of the X-ray against the detector. The controller is configured to control the second mechanism in accordance with the shift of the detector. The image processor is coupled to the detector and is configured to prepare a fluoroscopic image data as the X-ray image based on the X-ray data. The image processor also corrects a deformation of the fluoroscopic image data.
    Type: Grant
    Filed: September 16, 2003
    Date of Patent: April 18, 2006
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Izumi Watanabe, Makoto Kaneko, Hisayuki Uehara, Akio Tetsuka, Kazutoyo Hirayama, Akiko Yamahana
  • Publication number: 20040131154
    Abstract: An X-ray diagnosis apparatus for obtaining an X-ray image comprises an X-ray radiator, a detector, a first mechanism, a second mechanism, a controller, and an image processor. The X-ray radiator is configured to radiate an X-ray to a specimen. The detector is configured to detect an X-ray data resulting from the X-ray. The first mechanism is coupled to the detector and is configured to shift the detector along a detecting plane of the detector. The second mechanism is coupled to the X-ray radiator and is configured to change a radiation direction of the X-ray against the detector. The controller is configured to control the second mechanism in accordance with the shift of the detector. The image processor is coupled to the detector and is configured to prepare a fluoroscopic image data as the X-ray image based on the X-ray data. The image processor also corrects a deformation of the fluoroscopic image data.
    Type: Application
    Filed: September 16, 2003
    Publication date: July 8, 2004
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Izumi Watanabe, Makoto Kaneko, Hisayuki Uehara, Akio Tetsuka, Kazutoyo Hirayama, Akiko Yamahana