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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Patent number: 12089989Abstract: 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 25, 2023Date of Patent: September 17, 2024Assignee: CANON MEDICAL SYSTEMS CORPORATIONInventors: Yasunori Honjo, Tetsuya Kawagishi, Masaki Watanabe
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Publication number: 20240122577Abstract: 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: December 22, 2023Publication date: April 18, 2024Applicant: Canon Medical Systems CorporationInventors: Masaki WATANABE, Yasunori HONJO
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Publication number: 20240057975Abstract: An analysis apparatus includes processing circuitry configured to obtain quantitative values of a plurality of types of tissue properties relating to a region of interest of a subject, and generate a diagram of the region of interest based on the quantitative values.Type: ApplicationFiled: October 31, 2023Publication date: February 22, 2024Applicant: Canon Medical Systems CorporationInventors: Yasunori HONJO, Masaki WATANABE, Yu IGARASHI
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Publication number: 20240050062Abstract: 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 25, 2023Publication date: February 15, 2024Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Yasunori HONJO, Tetsuya KAWAGISHI, Masaki WATANABE
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Publication number: 20240041434Abstract: 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: October 20, 2023Publication date: February 8, 2024Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Yasunori HONJO, Masaki WATANABE, Tetsuya KAWAGISHI
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Patent number: 11850099Abstract: 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: GrantFiled: February 24, 2020Date of Patent: December 26, 2023Assignee: Canon Medical Systems CorporationInventors: Masaki Watanabe, Yasunori Honjo
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Patent number: 11844651Abstract: 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: GrantFiled: June 7, 2019Date of Patent: December 19, 2023Assignee: CANON MEDICAL SYSTEMS CORPORATIONInventors: Yasunori Honjo, Masaki Watanabe, Yu Igarashi, Tetsuya Kawagishi
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Patent number: 11826203Abstract: 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: June 22, 2021Date of Patent: November 28, 2023Assignee: CANON MEDICAL SYSTEMS CORPORATIONInventors: Yasunori Honjo, Masaki Watanabe, Tetsuya Kawagishi
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Publication number: 20230329677Abstract: An ultrasound diagnostic apparatus according to an embodiment includes processing circuitry. The processing circuitry calculates, based on first ultrasound information relating to a displacement over time of an organ that makes a periodic movement, a function relating to a clutter component originating from the organ, and calculates, based on the function and second ultrasound information relating to a displacement over time of the organ after pressure is applied to the organ, a shear wave that propagates through the organ by the applied pressure.Type: ApplicationFiled: April 11, 2023Publication date: October 19, 2023Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Yasunori HONJO, Tomohisa IMAMURA
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Patent number: 11730444Abstract: 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: GrantFiled: May 25, 2018Date of Patent: August 22, 2023Assignee: Canon Medical Systems CorporationInventors: Yasunori Honjo, Masaki Watanabe, Tetsuya Kawagishi, Koichiro Kurita
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Patent number: 11715202Abstract: 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: September 8, 2021Date of Patent: August 1, 2023Assignee: CANON MEDICAL SYSTEMS CORPORATIONInventors: Yasunori Honjo, Yu Igarashi, Masaki Watanabe
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Patent number: 11701091Abstract: 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: GrantFiled: February 22, 2019Date of Patent: July 18, 2023Assignee: Canon Medical Systems CorporationInventors: Yasunori Honjo, Masaki Watanabe, Tetsuya Kawagishi, Keita Yonemori
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Patent number: 11651485Abstract: 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: GrantFiled: March 13, 2020Date of Patent: May 16, 2023Assignee: Canon Medical Systems CorporationInventors: Yasunori Honjo, Keita Yonemori, Masaki Watanabe, Yuko Takada
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Publication number: 20230144314Abstract: An analysis apparatus includes processing circuitry configured to obtain quantitative values of a plurality of types of tissue properties relating to a region of interest of a subject, and generate a diagram of the region of interest based on the quantitative values.Type: ApplicationFiled: December 30, 2022Publication date: May 11, 2023Applicant: Canon Medical Systems CorporationInventors: Yasunori HONJO, Masaki WATANABE, Yu IGARASHI
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Patent number: 11564659Abstract: An ultrasonic diagnostic apparatus according to an embodiment includes transmission circuitry, receiving circuitry and extracting circuitry. The transmission circuitry cause an ultrasonic probe to perform three or more times of ultrasonic wave transmissions, an ultrasonic wave to be transmitted including a center frequency component, a phase of the center frequency component being different in each transmission. The receiving circuitry generates three or more reception signals corresponding to a common reception scanning line based on a plurality of reflected wave signals, the plurality of reflected wave signals being obtained through the three or more times of ultrasonic wave transmissions. The extracting circuitry extracts a nonlinear component included in the three or more reception signals by adding up the three or more reception signals after performing a processing including phase rotation processing on two or more reception signals among the three or more reception signals.Type: GrantFiled: December 11, 2015Date of Patent: January 31, 2023Assignee: CANON MEDICAL SYSTEMS CORPORATIONInventors: Hiroki Yoshiara, Tetsuya Kawagishi, Tomohisa Imamura, Yasunori Honjo, Akihiro Kakee, Yuko Takada
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Patent number: 11568535Abstract: 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: GrantFiled: April 23, 2020Date of Patent: January 31, 2023Assignee: CANON MEDICAL SYSTEMS CORPORATIONInventors: Yasunori Honjo, Keita Yonemori, Masaki Watanabe, Yuko Takada
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Patent number: 11553899Abstract: An analysis apparatus includes processing circuitry configured to obtain quantitative values of a plurality of types of tissue properties relating to a region of interest of a subject, and generate a diagram of the region of interest based on the quantitative values.Type: GrantFiled: April 30, 2019Date of Patent: January 17, 2023Assignee: Canon Medical Systems CorporationInventors: Yasunori Honjo, Masaki Watanabe, Yu Igarashi
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Patent number: 11517288Abstract: An ultrasonic diagnostic apparatus in an embodiment includes processing circuitry. The processing circuitry is configured to cause an ultrasonic probe to perform an ultrasound scan of a subject. The processing circuitry is configured to generate a shadow image by assigning at least one of hue, saturation, and lightness depending on a feature of an acoustic shadow that has appeared in the result of the ultrasound scan.Type: GrantFiled: May 19, 2016Date of Patent: December 6, 2022Assignee: CANON MEDICAL SYSTEMS CORPORATIONInventors: Yu Igarashi, Masaki Watanabe, Yuko Kanayama, Yasunori Honjo, Tetsuya Kawagishi
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Publication number: 20220330921Abstract: A medical image diagnosis apparatus according to an embodiment includes a processing circuit. The processing circuit is configured to obtain three-dimensional data related to a target site. The processing circuit is configured to generate a three-dimensional model of the target site by using the obtained three-dimensional data. The processing circuit is configured to calculate positions of one or more recommended cross-sections to be set for the target site, on the basis of information about the size of the target site obtained by using the three-dimensional model. The processing circuit is configured to cause a display device to display the positions of the one or more recommended cross-sections.Type: ApplicationFiled: April 12, 2022Publication date: October 20, 2022Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Keisuke MIYAKI, Yasunori HONJO
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Patent number: 11436729Abstract: 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: GrantFiled: March 5, 2020Date of Patent: September 6, 2022Assignee: CANON MEDICAL SYSTEMS CORPORATIONInventors: Yu Igarashi, Masaki Watanabe, Yasunori Honjo