Patents by Inventor Tomohiro Sabata
Tomohiro Sabata 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: 11439366Abstract: An image processing apparatus includes: a display controller configured to cause a display to display an image including a first pointer having a predetermined shape superimposed thereon and move a position of the first pointer within the image in accordance with an input position that is input from an input device; a region-of-interest setting circuit configured to set a region corresponding to the position of the first pointer within the image as a region of interest when a confirmation operation for confirming the input position is input to the input device; and a distance determining circuit configured to determine a distance between a first representative position of the first pointer and a second representative position of the region of interest within the image.Type: GrantFiled: June 14, 2019Date of Patent: September 13, 2022Assignee: OLYMPUS CORPORATIONInventor: Tomohiro Sabata
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Patent number: 11432807Abstract: Provided is an ultrasound imaging system configured to generate data of an ultrasound image based on an echo signal received by each of a plurality of elements included in an ultrasound transducer, the ultrasound imaging system includes: a determining circuit configured to determine, using a signal corresponding to the echo signal obtained by receiving from each of the plurality of elements, concerning the elements, whether a decrease in reception sensitivity occurs; and a control circuit configured to cause, based on a position of an element where the determining circuit determines that the decrease in the reception sensitivity occurs, a display to display at least one of display data indicating an image region where sensitivity decreases in the ultrasound image and information for informing that a sensitivity decreased element in which a decrease in reception sensitivity occurs is present.Type: GrantFiled: June 15, 2020Date of Patent: September 6, 2022Assignee: OLYMPUS CORPORATIONInventor: Tomohiro Sabata
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Publication number: 20200305848Abstract: Provided is an ultrasound imaging system configured to generate data of an ultrasound image based on an echo signal received by each of a plurality of elements included in an ultrasound transducer, the ultrasound imaging system includes: a determining circuit configured to determine, using a signal corresponding to the echo signal obtained by receiving from each of the plurality of elements, concerning the elements, whether a decrease in reception sensitivity occurs; and a control circuit configured to cause, based on a position of an element where the determining circuit determines that the decrease in the reception sensitivity occurs, a display to display at least one of display data indicating an image region where sensitivity decreases in the ultrasound image and information for informing that a sensitivity decreased element in which a decrease in reception sensitivity occurs is present.Type: ApplicationFiled: June 15, 2020Publication date: October 1, 2020Applicant: OLYMPUS CORPORATIONInventor: Tomohiro SABATA
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Publication number: 20190357887Abstract: An image processing apparatus includes: a display controller configured to cause a display to display an image including a first pointer having a predetermined shape superimposed thereon and move a position of the first pointer within the image in accordance with an input position that is input from an input device; a region-of-interest setting circuit configured to set a region corresponding to the position of the first pointer within the image as a region of interest when a confirmation operation for confirming the input position is input to the input device; and a distance determining circuit configured to determine a distance between a first representative position of the first pointer and a second representative position of the region of interest within the image.Type: ApplicationFiled: June 14, 2019Publication date: November 28, 2019Applicant: OLYMPUS CORPORATIONInventor: Tomohiro SABATA
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Publication number: 20190254637Abstract: An ultrasonic observation device includes a processor including hardware. The processor is configured to: read a video made of ultrasonic images arranged in a chronological manner from a memory; perform time intensity curve (TIC) analysis on the video based on temporal changes in signal intensities of ultrasonic waves reflected by a contrast dye administered into a subject being examined; extract information about user operation stored in the memory along the ultrasonic images; and control a display to display fact that the information about user operation is extracted.Type: ApplicationFiled: May 3, 2019Publication date: August 22, 2019Applicant: OLYMPUS CORPORATIONInventor: Tomohiro SABATA
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Patent number: 8641624Abstract: An ultrasound diagnostic apparatus includes a connection section to which an ultrasound probe having an ultrasound transducer mounted therein is detachably connected, a transmission section that drives the ultrasound transducer of the ultrasound probe connected to the connection section by a transmission signal of a transmission frequency thereof, an echo signal creation section that creates a digital echo signal from an echo signal received by the ultrasound transducer, a signal processing section that carries out signal processing to the digital echo signal, a processing-speed changing section that changes an operation frequency of the signal processing in the signal processing section, and a change control section that controls change of the operation frequency.Type: GrantFiled: March 11, 2009Date of Patent: February 4, 2014Assignee: Olympus Medical Systems Corp.Inventor: Tomohiro Sabata
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Patent number: 8088069Abstract: An ultrasonic Doppler diagnosis device having a velocity data interpolating section for generating interpolated velocity data for interpolating velocity data between two sound lines and two scanning lines, using the velocity data at the intersections. The velocity data interpolating section converts two scalar arrays of unsigned numeric data corresponding to a first and second numeric values to signed arrays of numeric data using a data converting section and generates the interpolated velocity data based on the converted signed array of numeric data, when a result of identification obtained from an identifying section indicates that one of the first and second numeric values has a positive velocity smaller than a first threshold value corresponding to a positive velocity, and the other of the first and second numeric values has a negative velocity greater than a second threshold value corresponding to a negative velocity.Type: GrantFiled: December 18, 2007Date of Patent: January 3, 2012Assignee: Olympus Medical Systems Corp.Inventor: Tomohiro Sabata
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Publication number: 20110015523Abstract: An ultrasound observation apparatus has an ultrasound probe or an ultrasound endoscope manually moved relative to a subject, and displays a plurality of ultrasound tomographic images in time sequence with the movement. The ultrasound observation apparatus has a control section which, when a first display range is selected, performs control so that images are displayed in a first number of displayed frames per stroke time, which, when a second display range is selected, performs control so that the number of displayed frames per stroke time is smaller than the first number of displayed frames, and which, when a manual scanning mode is selected, performs control so that a predetermined number of frames per stroke time are displayed regardless of whether the display range is the first display range or the second display range.Type: ApplicationFiled: June 29, 2010Publication date: January 20, 2011Applicant: OLYMPUS MEDICAL SYSTEMS CORP.Inventor: Tomohiro SABATA
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Publication number: 20090240151Abstract: An ultrasound diagnostic apparatus includes a connection section to which an ultrasound probe having an ultrasound transducer mounted therein is detachably connected, a transmission section that drives the ultrasound transducer of the ultrasound probe connected to the connection section by a transmission signal of a transmission frequency thereof, an echo signal creation section that creates a digital echo signal from an echo signal received by the ultrasound transducer, a signal processing section that carries out signal processing to the digital echo signal, a processing-speed changing section that changes an operation frequency of the signal processing in the signal processing section, and a change control section that controls change of the operation frequency.Type: ApplicationFiled: March 11, 2009Publication date: September 24, 2009Applicant: OLYMPUS MEDICAL SYSTEMS CORP.Inventor: Tomohiro SABATA
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Publication number: 20080208058Abstract: The ultrasound diagnostic apparatus of the present invention includes: an ultrasound transmitting/receiving unit for receiving an echo signal; dynamic blood flow detection unit for calculating a predetermined detection value based on dynamic blood flow in a test subject based on the echo signal; a luminance value conversion unit for converting the predetermined detection value into a luminance value; a luminance value replacement unit retaining luminance value conversion information; and a comparison unit for comparing a first luminance value in one frame with a second luminance value in the frame immediately preceding the one frame, out of the luminance values outputted from the luminance value conversion unit, wherein the comparison unit is adapted to output either the first luminance value or a third luminance value which is not larger than the absolute value of the second luminance value, based on the comparison result and the luminance value replacement information.Type: ApplicationFiled: March 25, 2008Publication date: August 28, 2008Applicant: OLYMPUS MEDICAL SYSTEMS CORP.Inventors: Tomohiro SABATA, Kenichi OBA, Tadaaki KANBARA
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Publication number: 20080154134Abstract: First to third interpolation processing circuits are configured by a data identifying unit, a data converting unit, a data interpolating unit, a data reconverting unit and four switches SW1 to SW4. After the data identifying unit determines a value of velocity data, the data converting unit, the data interpolating unit and the data reconverting unit switch between vector operation on a complex space based on a scalar array and vector operation on a complex space based on a color palette array and execute interpolation processing.Type: ApplicationFiled: December 18, 2007Publication date: June 26, 2008Applicant: OLYMPUS MEDICAL SYSTEMS CORP.Inventor: Tomohiro SABATA
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Publication number: 20040249287Abstract: An ultrasonic diagnosis apparatus for obtaining ultrasonic echo signals of a part to be examined from a probe in a body cavity includes an ultrasonic probe, a detector and a voxel data creating circuit. The ultrasonic probe has at predetermined positions of an inserting axis a plurality of ultrasonic transducers on the circumference about the inserting axis for performing ultrasonic scanning by using the plurality of ultrasonic transducers on a plane perpendicular to the inserting axis by sending and receiving ultrasound to and from the plurality of ultrasonic transducers. The detector determines the position or orientation of the scanned plane by the ultrasonic scanning by the ultrasonic probe. The voxel data creating circuit creates voxel data based on ultrasonic tomographic image data from echo signals obtained by the ultrasonic probe and based on the position or orientation data determined by the detector.Type: ApplicationFiled: June 4, 2003Publication date: December 9, 2004Applicant: OLYMPUS OPTICAL CO., LTD.Inventors: Tomonao Kawashima, Tomohiro Sabata