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).

  • Patent number: 12059305
    Abstract: An ultrasonic diagnostic device according to an embodiment includes reception circuitry and processing circuitry. The reception circuitry outputs a plurality of reception signals corresponding to a plurality of reception scanning lines for each time of transmission/reception of ultrasonic waves performed by an ultrasonic probe. The processing circuitry performs filter processing on each of a plurality of first reception signals output from the reception circuitry based on a first ultrasonic wave transmitted from the ultrasonic probe using at least one specific second reception signal among a plurality of second reception signals output from the reception circuitry based on a second ultrasonic wave the sound field of which is adjacent to or partially overlapped with a sound field of the first ultrasonic wave. The processing circuitry generates image data based on the first reception signals subjected to the filter processing.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: August 13, 2024
    Assignee: CANON MEDICAL SYSTEMS CORPORATION
    Inventor: Kuramitsu Nishihara
  • Publication number: 20240023940
    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: September 25, 2023
    Publication date: January 25, 2024
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Ryota OSUMI, Tomohisa IMAMURA, Kuramitsu NISHIHARA, Hiroki YOSHIARA, Hiroaki ISHIKAWA, Yuko TAKADA
  • Patent number: 11786220
    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: Grant
    Filed: August 23, 2016
    Date of Patent: October 17, 2023
    Assignee: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Ryota Osumi, Tomohisa Imamura, Kuramitsu Nishihara, Hiroki Yoshiara, Hiroaki Ishikawa, Yuko Takada
  • Publication number: 20220405885
    Abstract: An ultrasound diagnosis apparatus according to an embodiment includes processing circuitry and a display. The processing circuitry generates, from ultrasound data, pieces of low and high frequency data corresponding to resolutions of gradual degrees, extracts pieces of negative high frequency data over a range of predetermined resolutions, from the pieces of high frequency data, restores the resolution of first addition data so as to be equal to the resolution of the ultrasound data before reduction, the first addition data being obtained by adding up the pieces of negative high frequency data while causing resolutions to match over the range of the predetermined resolutions, and generates a combined image on the basis of the restored first addition data and the ultrasound data. The display displays the combined image.
    Type: Application
    Filed: June 9, 2022
    Publication date: December 22, 2022
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventor: Kuramitsu NISHIHARA
  • Patent number: 11284865
    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: Grant
    Filed: December 10, 2018
    Date of Patent: March 29, 2022
    Assignee: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Chihiro Shibata, Akihiro Kakee, Kuramitsu Nishihara
  • Patent number: 11026659
    Abstract: An ultrasound diagnosis apparatus according to an embodiment includes a receiving unit and a changing unit. The receiving unit outputs an ultrasound received signal. The changing unit obtains, in accordance with a change in a spatial frequency of ultrasound image data subject to an imaging processing, a group of parameters related to a frequency characteristic of an imaging received signal that is output by the receiving unit as the ultrasound received signal to be used in the imaging processing and changes a center frequency and a frequency band to be used in the imaging processing performed on the imaging received signal, on a basis of the obtained group of parameters.
    Type: Grant
    Filed: December 8, 2014
    Date of Patent: June 8, 2021
    Assignee: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Kuramitsu Nishihara, Akihiro Kakee
  • Patent number: 10575826
    Abstract: An ultrasound diagnostic apparatus according to an embodiment includes a transmitter/receiver, an adder/subtractor and an image generating unit. The transmitter/receiver performs a first set of ultrasound transmission/reception and a second set of ultrasound transmission/reception, on a same scanning line of an imaging region of a subject administered with a contrast agent, for a plurality of sets, to output reflected wave data for the plurality of the sets, the first set of the ultrasound transmission/reception performing amplitude-modulated or amplitude- and phase-modulated ultrasound transmission transmitted a plurality of times and receiving reflected waves, and the second set of the ultrasound transmission/reception being transmission/reception whose phase modulation being different from phase modulation of the first set of the ultrasound transmission/reception. The adder/subtractor adds or subtracts the reflected wave data for the plurality of the sets.
    Type: Grant
    Filed: December 2, 2014
    Date of Patent: March 3, 2020
    Assignee: Canon Medical Systems Corporation
    Inventors: Hiroki Yoshiara, Kuramitsu Nishihara, Akihiro Kakee, Tetsuya Kawagishi, Makoto Hirama
  • Publication number: 20190298314
    Abstract: An ultrasonic diagnostic device according to an embodiment includes reception circuitry and processing circuitry. The reception circuitry outputs a plurality of reception signals corresponding to a plurality of reception scanning lines for each time of transmission/reception of ultrasonic waves performed by an ultrasonic probe. The processing circuitry performs filter processing on each of a plurality of first reception signals output from the reception circuitry based on a first ultrasonic wave transmitted from the ultrasonic probe using at least one specific second reception signal among a plurality of second reception signals output from the reception circuitry based on a second ultrasonic wave the sound field of which is adjacent to or partially overlapped with a sound field of the first ultrasonic wave. The processing circuitry generates image data based on the first reception signals subjected to the filter processing.
    Type: Application
    Filed: March 27, 2019
    Publication date: October 3, 2019
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventor: Kuramitsu Nishihara
  • 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