Patents by Inventor Kuramitsu Nishihara

Kuramitsu Nishihara 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: 20190175147
    Abstract: The ultrasonic diagnostic apparatus according to the present embodiment includes processing circuitry. The processing circuitry is configured to determine a scan region of an ultrasonic wave according to a scan target. The processing circuitry is configured to set a pulse repetition frequency for each raster of rasters so as to correspond to the scan region. The processing circuitry is configured to control a scan performance according to the pulse repetition frequency.
    Type: Application
    Filed: December 10, 2018
    Publication date: June 13, 2019
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Chihiro SHIBATA, Akihiro KAKEE, Kuramitsu NISHIHARA
  • Patent number: 10226231
    Abstract: In an ultrasonic diagnostic apparatus according to an embodiment, a separator separates an arbitrary region of a displayed object represented from image data, in a depth direction, based on a characterizing quantity included in the image data. An image generation controller generates an image to be displayed in which depth direction information is reflected on the arbitrary region of the displayed object, separated by the separator. A display controller causes a monitor being capable of providing a stereoscopic vision to display the image to be displayed generated by the image generation controller.
    Type: Grant
    Filed: November 22, 2013
    Date of Patent: March 12, 2019
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Kuramitsu Nishihara, Muneki Kataguchi, Akihiro Kakee, Mio Azegami
  • Patent number: 10157639
    Abstract: A medical image diagnosis apparatus including an image collection system that collects first dynamic images extending over a first period and a display control circuit that uses the first dynamic images and time information related to an image corresponding to a first predetermined time phase in the first period to simultaneously display the first dynamic images, the first predetermined time phase, and a relationship of the image currently displayed with a time phase in the first period at least in a predetermined period going back from the predetermined time phase in a monitor.
    Type: Grant
    Filed: August 15, 2016
    Date of Patent: December 18, 2018
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Takuya Sasaki, Kuramitsu Nishihara, Mio Azegami
  • Patent number: 9861341
    Abstract: An ultrasound diagnosis apparatus includes a transmission and reception unit, an addition unit, an image generation unit, and a control unit. The transmission and reception unit performs a set of ultrasound transmission and reception in a first mode or a plurality of sets of ultrasound transmission and reception in a second mode along the same scan line. Each set of ultrasound transmission and reception is constituted of repeated ultrasound transmission and reception sequentially performed in reversed phase polarity along the same scan line. The addition unit adds reflected wave data in the second mode. The image generation unit generates an image by using reflected wave data in the first mode or in the second mode. The control unit switches the first mode and the second mode. The transmission and reception unit performs a set or a plurality of sets of ultrasound transmission and reception according to a switching operation.
    Type: Grant
    Filed: January 29, 2014
    Date of Patent: January 9, 2018
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Tetsuya Kawagishi, Akihiro Kakee, Kuramitsu Nishihara, Hiroki Yoshiara, Atsushi Sumi, Yasuyuki Masakari
  • Patent number: 9757091
    Abstract: Ultrasound diagnosis apparatus comprises an image generator, a first structural information acquirer, a second structural information acquirer, and a synthesizer. The image generator generates, based on ultrasound waves transmitted and received in accordance with a plurality of transmission and reception conditions, sets of image data whose images represent at least partially a common area for each of the transmission and reception conditions. The first structural information acquirer acquires tissue-structure information indicative of tissue structures depicted, respectively, in the sets of image data. The second structural information acquirer acquires common structural information indicative of a tissue structure common in the sets of image data, based on the tissue-structure information.
    Type: Grant
    Filed: June 26, 2014
    Date of Patent: September 12, 2017
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Kuramitsu Nishihara, Tomohisa Imamura, Takuya Sasaki, Yuko Takada
  • Patent number: 9691433
    Abstract: A medical image diagnosis apparatus including an image collection system that collects first dynamic images extending over a first period and a display control circuit that uses the first dynamic images and time information related to an image corresponding to a first predetermined time phase in the first period to simultaneously display the first dynamic images, the first predetermined time phase, and a relationship of the image currently displayed with a time phase in the first period at least in a predetermined period going back from the predetermined time phase in a monitor.
    Type: Grant
    Filed: April 17, 2015
    Date of Patent: June 27, 2017
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Takuya Sasaki, Kuramitsu Nishihara, Mio Azegami
  • Patent number: 9629608
    Abstract: An ultrasound diagnosis apparatus of embodiments includes an ultrasound probe, a scanning controller, and a display controller. The ultrasound probe is configured to be capable of ultrasound three dimensional scanning by swinging a plurality of transducer elements in a direction orthogonal to the arrangement direction of the transducer elements. The scanning controller is configured to control the ultrasound probe to scan a plurality of intersecting cross sections while swinging the transducer elements. The display controller is configured to control such that a plurality of ultrasound images based on ultrasound scanning performed on the cross sections are displayed on a given display.
    Type: Grant
    Filed: April 3, 2013
    Date of Patent: April 25, 2017
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Tomohisa Imamura, Atsushi Sumi, Kuramitsu Nishihara, Naohisa Kamiyama
  • Publication number: 20170055956
    Abstract: An ultrasound diagnostic apparatus according to an embodiment includes image processing circuitry. The image processing circuitry acquires, based on a result of ultrasound scanning performed on a subject, blood flow information including a value that indicates a blood flow at each position within the subject and tissue property information including a value that indicates tissue properties at each position within the subject. The image processing circuitry generates a first image in which a difference in value in the blood flow information is represented by at least a difference in hue and a second image in which a difference in value in the tissue property information is represented by a difference other than the difference in hue. The image processing circuitry generates a combined image by combining the first image and the second image.
    Type: Application
    Filed: August 23, 2016
    Publication date: March 2, 2017
    Applicant: Toshiba Medical Systems Corporation
    Inventors: Ryota OSUMI, Tomohisa Imamura, Kuramitsu Nishihara, Hiroki Yoshiara, Hiroaki Ishikawa, Yuko Takada
  • Publication number: 20160351230
    Abstract: A medical image diagnosis apparatus including an image collection system that collects first dynamic images extending over a first period and a display control circuit that uses the first dynamic images and time information related to an image corresponding to a first predetermined time phase in the first period to simultaneously display the first dynamic images, the first predetermined time phase, and a relationship of the image currently displayed with a time phase in the first period at least in a predetermined period going back from the predetermined time phase in a monitor.
    Type: Application
    Filed: August 15, 2016
    Publication date: December 1, 2016
    Applicant: Toshiba Medical Systems Corporation
    Inventors: Takuya SASAKI, Kuramitsu NISHIHARA, Mio AZEGAMI
  • Patent number: 9483177
    Abstract: The diagnostic imaging apparatus according to the present embodiments includes a display unit, an input unit, and a display control unit. The display unit includes a display area in which a medical image and a menu in relation to the medical image are displayed. The input unit receives input to the display area. The display control unit displays different menus in the display area in accordance with the input received by the input unit.
    Type: Grant
    Filed: August 26, 2015
    Date of Patent: November 1, 2016
    Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATION
    Inventors: Kenichi Ichioka, Kuramitsu Nishihara, Muneki Kataguchi
  • Patent number: 9307958
    Abstract: According to one embodiment, an ultrasonic diagnostic apparatus comprises a decomposition unit, a filtering unit, a level control unit and a mixing unit. The decomposition unit hierarchically performs multi-resolution decomposition of the ultrasonic image data and acquires low-frequency decomposed image data with first to n-th levels and high-frequency decomposed image data with first to n-th levels. The filtering unit calculates a filter coefficient using the high-frequency decomposed image data and uses the filter coefficient to perform nonlinear anisotropic diffusion filtering on the low-frequency decomposed image data or output data and generate edge information on a signal. The control unit controls a signal level of the high-frequency decomposed image data. The mixing unit acquires ultrasonic image data by hierarchically performing multi-resolution mixing of output data of the filtering unit or output data from a next lower layer and output data of the high-frequency level control unit.
    Type: Grant
    Filed: August 3, 2011
    Date of Patent: April 12, 2016
    Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA MEDICAL SYSTEMS CORPORATION
    Inventors: Kuramitsu Nishihara, Tomohisa Imamura, Atsushi Sumi
  • Patent number: 9295445
    Abstract: According to one embodiment, an ultrasonic diagnosis apparatus includes an ultrasonic probe, transmission unit, reception unit, control unit, adjustment unit, automatic setting unit, switching unit, manual setting unit, correction unit, and generating unit. The adjustment unit adjusts transmission/reception conditions for repeated ultrasonic transmission/reception in accordance with an instruction from the user. The automatic setting unit sets the first gain for correcting an echo signal in accordance with the adjusted transmission/reception conditions. The switching unit switches between activating and stopping the operation of the automatic setting unit. The manual setting unit sets the second gain for correcting an echo signal in accordance with an instruction from the user. The correction unit corrects an echo signal with the first or second gain.
    Type: Grant
    Filed: August 23, 2010
    Date of Patent: March 29, 2016
    Assignees: KABUSHIKI KAISHA TOSHIBA, Toshiba Medical Systems Corporation
    Inventors: Kuramitsu Nishihara, Kenichi Ichioka, Atsushi Sumi, Muneki Kataguchi
  • Publication number: 20150374337
    Abstract: An ultrasound diagnostic apparatus according to an embodiment includes transmitting and receiving circuitry, adding circuitry, and image generating circuitry, and control circuitry. The transmitting and receiving circuitry performs, more than once on the same scan line, an ultrasound transmission and reception repeatedly performed with phase polarities being inverted on the same scan line, according to a number set as a scan condition parameter. The adding circuitry adds together reflected wave data received as a result of the ultrasound transmission and receptions. The image generating circuitry generates an image by using the reflected wave data that have been added together. The control circuitry controls the transmitting and receiving circuitry, based on a relation between the number of the ultrasound transmission and receptions and a scan condition parameter other than the number.
    Type: Application
    Filed: September 4, 2015
    Publication date: December 31, 2015
    Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems Corporation
    Inventors: Kuramitsu NISHIHARA, Akihiro KAKEE, Takuya SASAKI
  • Publication number: 20150359507
    Abstract: According to one embodiment, an ultrasound diagnosis apparatus includes a tomographic image data generator, a blood flow information generator, a change detector, and a condition changing unit. The tomographic image data generator sequentially obtains tomographic image data of a subject for a plurality of times. The blood flow information generator performs processing on a reception signal based on signal processing conditions including a velocity threshold related to blood flow information of the subject to obtain the blood flow information. The change detector detects the magnitude of change in the time axis direction of a plurality of pieces of tomographic image data for different times. The condition changing unit changes the signal processing conditions based on the magnitude of change in the time axis direction. When the signal processing conditions are changed, the blood flow information generator performs the processing based on changed signal processing conditions.
    Type: Application
    Filed: August 25, 2015
    Publication date: December 17, 2015
    Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems Corporation
    Inventors: Chihiro SHIBATA, Tomohisa IMAMURA, Masao TAKIMOTO, Shigemitsu NAKAYA, Takuya SASAKI, Kuramitsu NISHIHARA, Mio AZEGAMI, Yuko TAKADA
  • Publication number: 20150363104
    Abstract: The diagnostic imaging apparatus according to the present embodiments includes a display unit, an input unit, and a display control unit. The display unit includes a display area in which a medical image and a menu in relation to the medical image are displayed. The input unit receives input to the display area. The display control unit displays different menus in the display area in accordance with the input received by the input unit.
    Type: Application
    Filed: August 26, 2015
    Publication date: December 17, 2015
    Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA MEDICAL SYSTEMS CORPORATION
    Inventors: Kenichi ICHIOKA, Kuramitsu Nishihara, Muneki Kataguchi
  • Publication number: 20150320398
    Abstract: An ultrasonic diagnostic apparatus includes reception circuitry, signal processing circuitry, and generating circuitry. The reception circuitry outputs a plurality of reception signals corresponding to respective reception scanning lines for each transmission and reception of an ultrasonic wave by an ultrasonic probe. The signal processing circuitry executes a weighting process and a phase correction process according to the position of each reception scanning line on at least one of the reception signals and a plurality of signals based on the reception signals, generates the processed signals for each reception scanning line, and outputs a plurality of composite signals using the processed signals generated based on the transmission and reception of the ultrasonic waves before and after changing the sound field of the transmitted ultrasonic wave, and before and after changing the position of the reception scanning lines.
    Type: Application
    Filed: May 7, 2015
    Publication date: November 12, 2015
    Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems Corporation
    Inventors: Yasunori HONJO, Makoto HIRAMA, Akihiro KAKEE, Kuramitsu NISHIHARA
  • Patent number: 9173639
    Abstract: The diagnostic imaging apparatus according to the present embodiments includes a display unit, an input unit, and a display control unit. The display unit includes a display area in which a medical image and a menu in relation to the medical image are displayed. The input unit receives input to the display area. The display control unit displays different menus in the display area in accordance with the input received by the input unit.
    Type: Grant
    Filed: May 13, 2011
    Date of Patent: November 3, 2015
    Assignees: Kabushiki Kaisha Toshiba, Toshiba Medical Systems Corporation
    Inventors: Kenichi Ichioka, Kuramitsu Nishihara, Muneki Kataguchi
  • Publication number: 20150302605
    Abstract: A medical image diagnosis apparatus including an image collection system that collects first dynamic images extending over a first period and a display control circuit that uses the first dynamic images and time information related to an image corresponding to a first predetermined time phase in the first period to simultaneously display the first dynamic images, the first predetermined time phase, and a relationship of the image currently displayed with a time phase in the first period at least in a predetermined period going back from the predetermined time phase in a monitor.
    Type: Application
    Filed: April 17, 2015
    Publication date: October 22, 2015
    Applicants: KABUSHIKI KAISHA TOSHIBA, Toshiba Medical Systems Corporation
    Inventors: Takuya SASAKI, Kuramitsu NISHIHARA, Mio AZEGAMI
  • Publication number: 20150209006
    Abstract: An ultrasound diagnosis apparatus includes a transmission and reception unit, an addition unit, an image generation unit, and a control unit. The transmission and reception unit performs a set of ultrasound transmission and reception in a first mode or a plurality of sets of ultrasound transmission and reception in a second mode along the same scan line. Each set of ultrasound transmission and reception is constituted of repeated ultrasound transmission and reception sequentially performed in reversed phase polarity along the same scan line. The addition unit adds reflected wave data in the second mode. The image generation unit generates an image by using reflected wave data in the first mode or in the second mode. The control unit switches the first mode and the second mode. The transmission and reception unit performs a set or a plurality of sets of ultrasound transmission and reception according to a switching operation.
    Type: Application
    Filed: January 29, 2014
    Publication date: July 30, 2015
    Applicants: Toshiba Medical Systems Corporation, Kabushiki Kaisha Toshiba
    Inventors: Tetsuya Kawagishi, Akihiro Kakee, Kuramitsu Nishihara, Hiroki Yoshiara, Atsushi Sumi, Yasuyuki Masakari
  • Patent number: 9072470
    Abstract: As an ROI for display and an ROI for valve observation as well as a projecting direction are input, a volume-rendering processing unit creates a first image in the ROI for display through volume rendering processing, and the ray-tracing processing unit creates a second image in the ROI for valve observation through ray tracing processing. An image compositing unit then creates a composite image by compositing the first image and the second image, and the composite image created by the image compositing unit (13) is displayed on a monitor.
    Type: Grant
    Filed: January 15, 2010
    Date of Patent: July 7, 2015
    Assignees: Kabushiki Kaisha Toshiba, Toshiba Medical Systems Corporation
    Inventors: Atsushi Sumi, Fumiyasu Sakaguchi, Takuya Sasaki, Kenichi Ichioka, Akihiro Kakee, Tomohisa Imamura, Chihiro Shibata, Kuramitsu Nishihara