Patents by Inventor Yasunori Honjo
Yasunori Honjo 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).
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Publication number: 20220189613Abstract: An analyzing apparatus according to an embodiment includes processing circuitry. The processing circuitry acquires a plurality of time-series medical images. The processing circuitry calculates, for each of image pairs each formed of two medical images included in the medical images, a first index value indicating similarity between image signals in the two medical images. The processing circuitry also calculates, on the basis of a plurality of the first index values calculated for the respective image pairs, a second index value corresponding to a statistical value in a time direction of the first index values.Type: ApplicationFiled: March 4, 2022Publication date: June 16, 2022Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Yasunori HONJO, Tetsuya KAWAGISHI, Masaki WATANABE
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Patent number: 11302438Abstract: An analyzing apparatus according to an embodiment includes processing circuitry. The processing circuitry acquires a plurality of time-series medical images. The processing circuitry calculates, for each of image pairs each formed of two medical images included in the medical images, a first index value indicating similarity between image signals in the two medical images. The processing circuitry also calculates, on the basis of a plurality of the first index values calculated for the respective image pairs, a second index value corresponding to a statistical value in a time direction of the first index values.Type: GrantFiled: October 3, 2019Date of Patent: April 12, 2022Assignee: CANON MEDICAL SYSTEMS CORPORATIONInventors: Yasunori Honjo, Tetsuya Kawagishi, Masaki Watanabe
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Publication number: 20210407084Abstract: An analyzing apparatus according to an embodiment includes processing circuitry. The processing circuitry is configured to calculate a tissue characteristic parameter value with respect to each of a plurality of positions within a region of interest, by analyzing a result of a scan performed on a patient. The processing circuitry is configured to determine a measurement region in the region of interest by performing an analysis while using the tissue characteristic parameter values. The processing circuitry is configured to calculate a statistic value of the tissue characteristic parameter values in the measurement region.Type: ApplicationFiled: September 8, 2021Publication date: December 30, 2021Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Yasunori HONJO, Yu IGARASHI, Masaki WATANABE
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Publication number: 20210369247Abstract: A medical image diagnosis apparatus according to an embodiment includes processing circuitry configured to acquire signals from a subject over time, calculate a first similarity representing a similarity of the signals between frames with respect to each of a plurality of frames and a plurality of positions and calculate a second similarity representing a similarity of change of the first similarity over time between the positions, and output the second similarity.Type: ApplicationFiled: May 28, 2021Publication date: December 2, 2021Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Yu IGARASHI, Masaki WATANABE, Yasunori HONJO, Tomohisa IMAMURA, Tetsuya KAWAGISHI
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Publication number: 20210338207Abstract: An ultrasound diagnosis apparatus according to an embodiment includes processing circuitry. The processing circuitry is configured to generate contrast image data on the basis of a contrast signal acquired from an examined subject to whom a contrast agent is administered. The processing circuitry is configured to generate blood flow image data on the basis of a blood flow signal estimated by performing a filtering process on the contrast signal. The processing circuitry is configured to output information indicating a region where the contrast agent is stagnant within a region of interest, on the basis of the contrast image data and the blood flow image data.Type: ApplicationFiled: July 16, 2021Publication date: November 4, 2021Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Yuko TAKADA, Masaki WATANABE, Yasunori HONJO, Yu IGARASHI
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Publication number: 20210315543Abstract: An analyzing apparatus according to an embodiment includes processing circuitry. The processing circuitry is configured to detect a shear wave propagating in an object. The processing circuitry is configured to calculate an index value that indicates viscosity within the object and that is not dependent on any physical model related to viscoelasticity, by analyzing the detected shear wave.Type: ApplicationFiled: June 22, 2021Publication date: October 14, 2021Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Yasunori HONJO, Masaki WATANABE, Tetsuya KAWAGISHI
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Patent number: 11138723Abstract: An analyzing apparatus according to an embodiment includes processing circuitry. The processing circuitry is configured to calculate a tissue characteristic parameter value with respect to each of a plurality of positions within a region of interest, by analyzing a result of a scan performed on a patient. The processing circuitry is configured to determine a measurement region in the region of interest by performing an analysis while using the tissue characteristic parameter values. The processing circuitry is configured to calculate a statistic value of the tissue characteristic parameter values in the measurement region.Type: GrantFiled: July 21, 2017Date of Patent: October 5, 2021Assignee: CANON MEDICAL SYSTEMS CORPORATIONInventors: Yasunori Honjo, Yu Igarashi, Masaki Watanabe
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Patent number: 11071524Abstract: An analyzing apparatus according to an embodiment includes processing circuitry. The processing circuitry is configured to detect a shear wave propagating in an object. The processing circuitry is configured to calculate an index value that indicates viscosity within the object and that is not dependent on any physical model related to viscoelasticity, by analyzing the detected shear wave.Type: GrantFiled: December 2, 2016Date of Patent: July 27, 2021Assignee: CANON MEDICAL SYSTEMS CORPORATIONInventors: Yasunori Honjo, Masaki Watanabe, Tetsuya Kawagishi
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Patent number: 11039777Abstract: An ultrasonic diagnostic apparatus according to an embodiment includes calculation circuitry, acquisition circuitry, determination circuitry, and scan control circuitry. The calculation circuitry calculates an indicator related to motion of biological tissue in a subject, based on echo data obtained through a pre-scan for the subject. The acquisition circuitry acquires a periodic biological signal of the subject. The determination circuitry specifies at least one tune phase in one cycle of the biological signal acquired during the pre-scan, based on the indicator, and determines a timing of a main scan for the subject, based on the specified time phase and the biological signal acquired after the pre-scan. The scan control circuitry executes the main scan at the timing determined by the determination circuitry.Type: GrantFiled: June 16, 2016Date of Patent: June 22, 2021Assignee: CANON MEDICAL SYSTEMS CORPORATIONInventors: Yasunori Honjo, Tetsuya Kawagishi, Akihiro Kakee, Yuko Kanayama, Masaki Watanabe
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Publication number: 20210128100Abstract: An analyzing apparatus according to an embodiment includes processing circuitry. The processing circuitry is configured to detect a movement of a tissue in each of a plurality of positions in an examined subject, by analyzing scan data acquired by transmitting a first ultrasound wave for generating a shear wave and transmitting and receiving a second ultrasound wave for measuring a shear wave. The processing circuitry is configured to calculate an index value related to waveform information showing changes in the movement of the tissue over time in each of the plurality of positions, based on the movement of the tissue. The processing circuitry is configured to output the index values.Type: ApplicationFiled: October 29, 2020Publication date: May 6, 2021Applicant: Canon Medical Systems CorporationInventors: Yasunori HONJO, Fumio MOCHIZUKI
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Patent number: 10878565Abstract: An analyzing apparatus according to an embodiment includes processing circuitry. The processing circuitry is configured to calculate a tissue characteristic parameter value with respect to each of a plurality of positions within a region of interest, by analyzing a result of a scan performed on a patient. The processing circuitry is configured to determine a measurement region in the region of interest by performing an analysis while using the tissue characteristic parameter values. The processing circuitry is configured to calculate a statistic value of the tissue characteristic parameter values in the measurement region.Type: GrantFiled: April 17, 2019Date of Patent: December 29, 2020Assignee: CANON MEDICAL SYSTEMS CORPORATIONInventors: Yasunori Honjo, Yu Igarashi, Masaki Watanabe
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Publication number: 20200342593Abstract: A medical image processing apparatus according to an embodiment includes processing circuitry configured to generate an output data set apparently expressing a second data set obtained by transmitting and receiving an ultrasound wave, for each scanning line, as many times as a second number that is larger than a first number, by inputting a first data set to a trained model that generates the output data set on a basis of the first data set obtained by transmitting and receiving an ultrasound wave as many times as the first number for each scanning line.Type: ApplicationFiled: April 23, 2020Publication date: October 29, 2020Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Yasunori HONJO, Keita YONEMORI, Masaki WATANABE, Yuko TAKADA
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Publication number: 20200334818Abstract: The medical image processing apparatus according to the present embodiment includes processing circuitry. The processing circuitry is configured to acquire contrast image data generated by imaging a subject. The processing circuitry is configured to input the acquired contrast image data to a learned model to generate a time phase data classified according to a contrast state of a lesion area with a contrast agent included in the acquired contrast image data, the learned model being for generating the time phase data based on the acquired contrast image data.Type: ApplicationFiled: March 5, 2020Publication date: October 22, 2020Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Yu IGARASHI, Masaki WATANABE, Yasunori HONJO
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Publication number: 20200294230Abstract: According to one embodiment, a medical image processing apparatus includes processing circuitry. The processing circuitry acquires an input image based on reception data collected by transmitting/receiving ultrasound by using an ultrasound probe including a plurality of vibration elements driven in accordance with a delay profile, stores a plurality of trained models for generating, based on an input image, an output image in which noise is reduced according to a wavefront shape of when the ultrasound is transmitted in an input image, selects a trained model corresponding to a type of the ultrasound probe or the delay profile from the plurality of trained models, and generates an output image by inputting an input image to the selected trained model.Type: ApplicationFiled: March 13, 2020Publication date: September 17, 2020Applicant: Canon Medical Systems CorporationInventors: Yasunori HONJO, Keita Yonemori, Masaki Watanabe, Yuko Takada
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Publication number: 20200268355Abstract: According to one embodiment, an ultrasonic diagnostic apparatus includes an ultrasonic probe and processing circuitry. The processing circuitry causes the ultrasonic probe to perform a first scan and second scan in a same scan sequence, wherein the first scan is for calculating a first index value based on a displacement of tissue by a shear wave that propagates through a living body, the second scan for calculating a second index value indicating an attenuation of a reflected wave signal of an ultrasonic wave applied into the living body. The processing circuitry generates a first image based on the first index value, and generates a second image based on the second index value. The processing circuitry causes a display to simultaneously display the first image and the second image.Type: ApplicationFiled: February 24, 2020Publication date: August 27, 2020Applicant: Canon Medical Systems CorporationInventors: Masaki WATANABE, Yasunori HONJO
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Publication number: 20200111559Abstract: An analyzing apparatus according to an embodiment includes processing circuitry. The processing circuitry acquires a plurality of time-series medical images. The processing circuitry calculates, for each of image pairs each formed of two medical images included in the medical images, a first index value indicating similarity between image signals in the two medical images. The processing circuitry also calculates, on the basis of a plurality of the first index values calculated for the respective image pairs, a second index value corresponding to a statistical value in a time direction of the first index values.Type: ApplicationFiled: October 3, 2019Publication date: April 9, 2020Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Yasunori HONJO, Tetsuya Kawagishi, Masaki Watanabe
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Patent number: 10564281Abstract: An ultrasonography apparatus includes an acquiring unit, a calculating unit, a multiplying unit, and a generating unit. The acquiring unit acquires a plurality of reception signals that are generated by assigning various kinds of weights on multiple reflected wave signals to which a delay according to a position in a reception aperture is given, and by adding the weighted signals for respective kinds of the weights. The calculating unit calculates a coefficient corresponding to each of positions on a scan line of the reception signals, based on any one of a signal and pixel value of each of positions based on at least one reception signal. The multiplying unit multiplies any one of the values of each of positions based on at least one different reception signal from said reception signal(s) by the coefficient to acquire output data. The generating unit generates ultrasonic image data based on the data.Type: GrantFiled: April 16, 2015Date of Patent: February 18, 2020Assignee: Canon Medical Systems CorporationInventors: Yasuhiko Abe, Yasunori Honjo
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Publication number: 20190374204Abstract: An analyzing apparatus according to an embodiment includes processing circuitry. The processing circuitry is configured to obtain pieces of Doppler image data in a time series rendering a blood flow in an analysis target formed in a blood vessel. The processing circuitry is configured to analyze the pieces of Doppler image data in the time series and to calculate an index value based on temporal changes in a first blood flow signal intensity level in a first region of interest including the blood flow in the analysis target.Type: ApplicationFiled: June 7, 2019Publication date: December 12, 2019Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Yasunori HONJO, Masaki WATANABE, Yu IGARASHI, Tetsuya KAWAGISHI
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Publication number: 20190298304Abstract: An ultrasound diagnosis apparatus according to an embodiment includes an image generating unit, a specifying unit, and an obtaining unit. The image generating unit is configured to generate images in a time series on the basis of a result of a scan performed on a scan region. The specifying unit is configured to specify the position of a moving member included in the scan region, with respect to each of the images in the time series. The obtaining unit is configured to obtain movement information of the moving member on the basis of the positions of the moving member and to obtain a moment of first or higher order related to the movement information of the moving member, with respect to at least a part of the scan region.Type: ApplicationFiled: March 29, 2019Publication date: October 3, 2019Applicant: Canon Medical Systems CorporationInventors: Yu Igarashi, Masaki Watanabe, Yasunori Honjo, Tetsuya Kawagishi
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Publication number: 20190261953Abstract: According to one embodiment, an analysis apparatus includes processing circuitry. The processing circuitry configured to generate a harmonic signal and a fundamental wave signal based on a reception signal that is collected by an ultrasound probe, the harmonic signal corresponding to a harmonic component of a reflected wave of a ultrasound generated in the subject, the fundamental wave signal corresponding to a fundamental wave component of the reflected wave, calculate a first index value indicating tissue properties of the subject based on the harmonic signal, and calculate a second index value indicating the tissue properties based on the fundamental wave signal, and display an analysis result based on the first index value and the second index value.Type: ApplicationFiled: February 22, 2019Publication date: August 29, 2019Applicant: Canon Medical Systems CorporationInventors: Yasunori HONJO, Masaki WATANABE, Tetsuya KAWAGISHI, Keita YONEMORI