Patents by Inventor Koichiro Kurita

Koichiro Kurita 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: 20240115236
    Abstract: In one embodiment, a contact-surface determination apparatus includes processing circuitry. This processing circuitry acquires an image depicting a contact surface of a ultrasonic probe, and determines a state of the contact surface of the ultrasonic probe on the basis of the acquired image.
    Type: Application
    Filed: October 2, 2023
    Publication date: April 11, 2024
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Fumio MOCHIZUKI, Minori OHASHI, Ayako SUZUKI, Koichiro KURITA
  • Publication number: 20240032896
    Abstract: An ultrasonic diagnosis apparatus according to an embodiment includes a processor. The processor acquires Doppler data that is obtained through ultrasonic transmission/reception in a Doppler mode and information about a type of the Doppler mode. The processor determines at least one executable measurement item for the Doppler data based on the information about the type of the Doppler mode.
    Type: Application
    Filed: July 26, 2023
    Publication date: February 1, 2024
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Masashi USUMURA, Koichiro KURITA, Itsuki KUGA
  • Publication number: 20240000416
    Abstract: An ultrasound diagnosis apparatus includes: a transmission and reception circuitry configured to perform, via an ultrasound probe, a first ultrasound scan on a first region in a subject who has a contrast agent injected and a second ultrasound scan on at least a part of a second region in the subject overlapping with the first region, the second ultrasound scan including transmitting and receiving two types of ultrasound waves of which one or both of amplitude levels and phases are different from each other; and processing circuitry configured to generate a blood flow image corresponding to one frame by implementing a Doppler method on the basis of a data sequence including reception data obtained from the first ultrasound scan performed multiple times in mutually the same position within the first region to have the second ultrasound scan performed in-between and to generate a contrast-enhanced image based on a result of the second ultrasound scan performed at least one time.
    Type: Application
    Filed: September 13, 2023
    Publication date: January 4, 2024
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Hiroki YOSHIARA, Tomohisa IMAMURA, Koichiro KURITA
  • Patent number: 11801031
    Abstract: An ultrasound diagnosis apparatus includes: a transmission and reception circuitry configured to perform, via an ultrasound probe, a first ultrasound scan on a first region in a subject who has a contrast agent injected and a second ultrasound scan on at least a part of a second region in the subject overlapping with the first region, the second ultrasound scan including transmitting and receiving two types of ultrasound waves of which one or both of amplitude levels and phases are different from each other; and processing circuitry configured to generate a blood flow image corresponding to one frame by implementing a Doppler method on the basis of a data sequence including reception data obtained from the first ultrasound scan performed multiple times in mutually the same position within the first region to have the second ultrasound scan performed in-between and to generate a contrast-enhanced image based on a result of the second ultrasound scan performed at least one time.
    Type: Grant
    Filed: May 22, 2019
    Date of Patent: October 31, 2023
    Assignee: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Hiroki Yoshiara, Tomohisa Imamura, Koichiro Kurita
  • Patent number: 11759180
    Abstract: A medical system according to an embodiment includes a medical apparatus and a first terminal. The medical apparatus is configured to have medical information therein. The first terminal is configured to be communicably connected to the medical apparatus so as to be able to transmit and receive the medical information thereto and therefrom, to have a function of an access point, and to cause a display to display a first code containing identification information of the access point. The first terminal is configured to be communicably connected to a second terminal having read the first code so as to be able to transmit and receive medical information thereto and therefrom.
    Type: Grant
    Filed: May 30, 2019
    Date of Patent: September 19, 2023
    Assignees: CANON MEDICAL SYSTEMS CORPORATION, Canon Kabushiki Kaisha
    Inventors: Koichiro Kurita, Hiroyuki Torikai
  • Patent number: 11730444
    Abstract: An image processing apparatus according to an embodiment includes processing circuitry. The processing circuitry is configured to perform a speckle noise reducing process on each of a plurality of images that were acquired by using an ultrasound wave and are in a time series. The processing circuitry is configured to calculate an index value indicating fluttering of image signal intensities in each of multiple positions within a region of interest, on the basis of the plurality of images resulting from the speckle noise reducing process.
    Type: Grant
    Filed: May 25, 2018
    Date of Patent: August 22, 2023
    Assignee: Canon Medical Systems Corporation
    Inventors: Yasunori Honjo, Masaki Watanabe, Tetsuya Kawagishi, Koichiro Kurita
  • Publication number: 20230080726
    Abstract: An ultrasonic diagnosis apparatus according to an embodiment includes a transmission unit, a reception unit, a generator, and a display controller. The transmission unit causes an ultrasonic probe to transmit a displacement-producing ultrasonic wave and causes the probe to transmit a displacement-observing ultrasonic wave. The reception unit generates reflected-wave data based on a reflected wave received by the probe. The generator calculates displacement at each of a plurality of positions in the scan area over a plurality of time phases, based on the reflected-wave data, determines a time phase when the calculated displacement is substantially maximum, for each of the positions, and generates image data representing positions where the determined time phases are substantially the same as each other, among the positions. The display controller superimposes an image based on the image data on a medical image corresponding to an area including the scan area.
    Type: Application
    Filed: November 22, 2022
    Publication date: March 16, 2023
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Masaki WATANABE, Yuko KANAYAMA, Tetsuya KAWAGISHI, Yoshimi MUTO, Eiji GOTO, Koichiro KURITA, Shogo FUKUDA
  • Patent number: 11534142
    Abstract: An ultrasonic diagnosis apparatus according to an embodiment includes a transmission unit, a reception unit, a generator, and a display controller. The transmission unit causes an ultrasonic probe to transmit a displacement-producing ultrasonic wave and causes the probe to transmit a displacement-observing ultrasonic wave. The reception unit generates reflected-wave data based on a reflected wave received by the probe. The generator calculates displacement at each of a plurality of positions in the scan area over a plurality of time phases, based on the reflected-wave data, determines a time phase when the calculated displacement is substantially maximum, for each of the positions, and generates image data representing positions where the determined time phases are substantially the same as each other, among the positions. The display controller superimposes an image based on the image data on a medical image corresponding to an area including the scan area.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: December 27, 2022
    Assignee: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Masaki Watanabe, Yuko Kanayama, Tetsuya Kawagishi, Yoshimi Muto, Eiji Goto, Koichiro Kurita, Shogo Fukuda
  • Patent number: 11508104
    Abstract: A medical image processing apparatus according to an embodiment includes processing circuitry. The processing circuitry is configured to obtain a measurement value related to the shape of a heart valve in medical image data. The processing circuitry is configured to cause a display to display a numerical value related to the shape of an artificial valve to be placed for the heart valve.
    Type: Grant
    Filed: May 12, 2020
    Date of Patent: November 22, 2022
    Assignee: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Keisuke Miyaki, Yu Igarashi, Koichiro Kurita
  • Publication number: 20220313214
    Abstract: The ultrasonic diagnostic apparatus according to any of embodiments includes processing circuitry. The processing circuitry is configured to acquire ultrasonic image data by ultrasonic scanning. The processing circuitry is configured to acquire multiple contour candidates based on a quantitative value indicating a function of a tissue, and superimpose the multiple contour candidates on the acquired ultrasonic image data to display the multiple contour candidates on a display. The processing circuitry is configured to determine contour data out of the multiple contour candidates.
    Type: Application
    Filed: March 30, 2022
    Publication date: October 6, 2022
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Koji ANDO, Mitsuo AKIYAMA, Kodai HIRAYAMA, Yasuhiko ABE, Koichiro KURITA
  • Publication number: 20220304651
    Abstract: An ultrasound diagnostic apparatus includes processing circuitry and a display. The processing circuitry is configured to concurrently obtain a plurality of cardiac function indexes for at least two or more cardiac chambers including a left ventricle and a right ventricle among cardiac chambers appearing on an apical 4-chamber moving image of a subject during one or more heartbeats, based on boundary positions of the cardiac chambers appearing on the apical 4-chamber moving image. The display displays at least one or more of the plurality of cardiac function indexes.
    Type: Application
    Filed: March 18, 2022
    Publication date: September 29, 2022
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Yasuhiko ABE, Koichiro KURITA
  • Patent number: 11452499
    Abstract: An ultrasound diagnosis apparatus according to an embodiment includes processing circuitry. The processing circuitry is configured to generate ultrasound images in a time series on the basis of data acquired by transmitting and receiving an ultrasound wave. Every time an ultrasound image satisfying a predetermined condition is generated, the processing circuitry is configured to perform a position aligning process between the ultrasound image satisfying the predetermined condition and a reference image obtained in advance. The processing circuitry is configured to identify, within the ultrasound image satisfying the predetermined condition, a region of interest set in the reference image, on the basis of a result of the position aligning process and to track the region of interest in ultrasound images in a time series that are newly generated by the image generating unit during or after the position aligning process.
    Type: Grant
    Filed: January 11, 2019
    Date of Patent: September 27, 2022
    Assignee: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Shogo Fukuda, Yasuhiko Abe, Koichiro Kurita
  • Patent number: 11272905
    Abstract: A medical image diagnostic apparatus according to the embodiment includes a scanner, image generating circuitry, marker generating circuitry, and control circuitry. The scanner performs scanning to generate an image of the inside of a subject. The image generating circuitry generates an image based on the result of scanning performed by the scanner. The marker generating circuitry generates a marker provided with information at a position serving as a reference for comparison with a certain structure. The control circuitry displays the image and the marker on the same screen of a display.
    Type: Grant
    Filed: July 17, 2015
    Date of Patent: March 15, 2022
    Assignee: Canon Medical Systems Corporation
    Inventors: Koichiro Kurita, Masaki Watanabe, Eiji Goto, Shogo Fukuda
  • Patent number: 11241216
    Abstract: A method of controlling a portable information terminal comprises causing the portable information terminal to display first operation screen data which is obtained by wireless communication with a medical diagnostic imaging apparatus and includes graphic data for reception of an operation from an operator and second operation screen data which is read to the portable information terminal and includes graphic data for reception of an operation from the operator, and causing the portable information terminal to generate, in accordance with the operations for the displayed first operation screen data and the displayed second operation screen data, a command signal for causing the medical diagnostic imaging apparatus to execute functions corresponding to the operations.
    Type: Grant
    Filed: September 9, 2016
    Date of Patent: February 8, 2022
    Assignee: Canon Medical Systems Corporation
    Inventor: Koichiro Kurita
  • Publication number: 20210401406
    Abstract: An ultrasonic diagnostic device according to an embodiment includes processing circuitry. The processing circuitry estimates a health state on the basis of a measurement value measured using ultrasonic image data. The processing circuitry determines an additional examination used to diagnose the health state, on the basis of the estimated health state. The processing circuitry outputs information indicative of the health state and the additional examination.
    Type: Application
    Filed: June 30, 2021
    Publication date: December 30, 2021
    Applicants: National University Corporation Okayama University, CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Norihisa TOH, Kousuke NAMIKI, Koichiro KURITA
  • Patent number: 11191524
    Abstract: According to one embodiment, an ultrasonic diagnostic apparatus includes processing circuitry. The processing circuitry acquires first echo data in a first mode, and acquires second echo data in a second mode. The processing circuitry sequentially generates a first image including a B-mode image based on the first echo data in the first mode, and sequentially generates a second image not including a B-mode image based on the second echo data in the second mode. The processing circuitry sequentially generates a third image from pre-acquired volume data. The processing circuitry directs a display to sequentially display the first image and the third image in the first mode, and to sequentially display the second image and the third image in the second mode.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: December 7, 2021
    Assignee: Canon Medical Systems Corporation
    Inventors: Yukifumi Kobayashi, Koichiro Kurita, Yutaka Kobayashi
  • Publication number: 20210161511
    Abstract: The ultrasonic diagnostic apparatus according to the present embodiment includes an evaluating circuit, a frequency setting circuit, and a drive circuit. The evaluating circuit is configured to analyze a received signal of a predetermined depth based on received signals of ultrasonic wave to evaluate a degree of beam penetration to a deep portion. The frequency setting circuit is configured to set a transmission frequency based on a result evaluated by the evaluating circuit. The drive circuit is configured to generate a drive pulse based on the set transmission frequency.
    Type: Application
    Filed: November 27, 2020
    Publication date: June 3, 2021
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Hiroki YOSHIARA, Tomohisa IMAMURA, Akihiro KAKEE, Koichiro KURITA
  • Patent number: 10835212
    Abstract: According to one embodiment, an ultrasonic diagnostic apparatus includes a transmission/reception circuit and processing circuitry. The transmission/reception circuit performs a first scan and a second scan, which are different in acoustic field in an elevation direction, by controlling at least one of transducers arranged along an azimuth direction and the elevation direction. The processing circuitry generates a first needle-enhanced image by using data acquired in the first scan, and generates a second needle-enhanced image by using data acquired in the second scan.
    Type: Grant
    Filed: March 3, 2017
    Date of Patent: November 17, 2020
    Assignee: Canon Medical Systems Corporation
    Inventors: Fumio Mochizuki, Koichiro Kurita, Takeshi Fukasawa, Satoshi Matsunaga, Koji Kuroiwa, Shogo Fukuda
  • Publication number: 20200273227
    Abstract: A medical image processing apparatus according to an embodiment includes processing circuitry. The processing circuitry is configured to obtain a measurement value related to the shape of a heart valve in medical image data. The processing circuitry is configured to cause a display to display a numerical value related to the shape of an artificial valve to be placed for the heart valve.
    Type: Application
    Filed: May 12, 2020
    Publication date: August 27, 2020
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Keisuke MIYAKI, Yu IGARASHI, Koichiro KURITA
  • Patent number: 10609322
    Abstract: According to one embodiment, a medical diagnostic apparatus causes first display circuitry to display the medical image, generates a first compressed image by compressing the medical image, and wirelessly transmits the first compressed image. If marker information including position information is generated and wirelessly transmitted from the terminal device, the medical diagnostic apparatus receives the marker information. The medical diagnostic apparatus causes the first display circuitry to display a composite image in which a marker is composited on the medical image, based on the marker information. The medical diagnostic apparatus stores in storage circuitry the medical image which constitutes the composite image in accordance with a storage request.
    Type: Grant
    Filed: May 25, 2017
    Date of Patent: March 31, 2020
    Assignee: Canon Medical Systems Corporation
    Inventor: Koichiro Kurita