Patents by Inventor Michito Nakayama
Michito Nakayama 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: 20220039771Abstract: A medical image diagnostic apparatus of embodiments includes an acquisition unit and a processing unit. The acquisition unit acquires physical characteristics data of an examination subject and information about an imaging target portion. The processing unit is configured to output bed position information about the examination subject according to the acquired physical characteristics data and the information about the imaging target portion by inputting the physical characteristics data and the information about the imaging target portion acquired by the acquisition unit to a trained model which is configured to output bed position information on the basis of physical characteristics data and information about a imaging target portion.Type: ApplicationFiled: October 25, 2021Publication date: February 10, 2022Applicant: Canon Medical Systems CorporationInventors: Nobuto TSUCHIYA, Michito NAKAYAMA
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Patent number: 11185302Abstract: A medical image diagnostic apparatus of embodiments includes an acquisition unit and a processing unit. The acquisition unit acquires physical characteristics data of an examination subject and information about an imaging target portion. The processing unit is configured to output bed position information about the examination subject according to the acquired physical characteristics data and the information about the imaging target portion by inputting the physical characteristics data and the information about the imaging target portion acquired by the acquisition unit to a trained model which is configured to output bed position information on the basis of physical characteristics data and information about a imaging target portion.Type: GrantFiled: October 18, 2019Date of Patent: November 30, 2021Assignee: Canon Medical Systems CorporationInventors: Nobuto Tsuchiya, Michito Nakayama
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Publication number: 20200138395Abstract: A medical image diagnostic apparatus of embodiments includes an acquisition unit and a processing unit. The acquisition unit acquires physical characteristics data of an examination subject and information about an imaging target portion. The processing unit is configured to output bed position information about the examination subject according to the acquired physical characteristics data and the information about the imaging target portion by inputting the physical characteristics data and the information about the imaging target portion acquired by the acquisition unit to a trained model which is configured to output bed position information on the basis of physical characteristics data and information about a imaging target portion.Type: ApplicationFiled: October 18, 2019Publication date: May 7, 2020Applicant: Canon Medical Systems CorporationInventors: Nobuto TSUCHIYA, Michito NAKAYAMA
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Patent number: 10371829Abstract: An X-ray detector according to an embodiment includes a scintillator array and a photodiode array. In the scintillator array, a plurality of scintillators are arranged in a first direction and a second direction intersecting the first direction. The photodiode array includes photodiodes each of which is installed for a different one of the scintillators and each of which has an active area configured to convert visible light emitted by the scintillator into an electrical signal. The photodiodes are arranged in such a manner that the widths of the active areas are equal to one another in the first direction.Type: GrantFiled: October 24, 2016Date of Patent: August 6, 2019Assignee: Canon Medical Systems CorporationInventors: Akira Nishijima, Michito Nakayama, Atsushi Hashimoto, Takaya Umehara, Shuya Nambu, Hiroaki Miyazaki
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Patent number: 10007012Abstract: According to one embodiment, the X-ray computed tomography apparatus includes an X-ray tube, a rotating frame, a plurality of detector elements, a plurality of DAS elements, switching circuitry, and switching control circuitry. The X-ray tube generates X-rays. The X-ray tube is attached to the rotating frame. The plurality of detector elements detect X-rays. The plurality of DAS elements perform signal processing on output signals from the plurality of detector elements. The switching circuitry is provided between the plurality of detector elements and the plurality of DAS elements. The switching control circuitry controls the switching circuitry to switch the connections between the plurality of detector elements and the plurality of DAS elements for every rotation of the rotating frame at a predetermined angle.Type: GrantFiled: January 13, 2016Date of Patent: June 26, 2018Assignee: Toshiba Medical Systems CorporationInventors: Michito Nakayama, Atsushi Hashimoto, Tomoe Sagoh, Takaya Umehara, Shuya Nambu, Koichi Miyama, Takashi Kanemaru, Keiji Matsuda, Machiko Iso
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Publication number: 20170205517Abstract: An X-ray detector according to an embodiment includes a scintillator array and a photodiode array. In the scintillator array, a plurality of scintillators are arranged in a first direction and a second direction intersecting the first direction. The photodiode array includes photodiodes each of which is installed for a different one of the scintillators and each of which has an active area configured to convert visible light emitted by the scintillator into an electrical signal. The photodiodes are arranged in such a manner that the widths of the active areas are equal to one another in the first direction.Type: ApplicationFiled: October 24, 2016Publication date: July 20, 2017Applicant: TOSHIBA MEDICAL SYSTEMS CORPORATIONInventors: Akira NISHIJIMA, Michito NAKAYAMA, Atsushi HASHIMOTO, Takaya UMEHARA, Shuya NAMBU, Hiroaki MIYAZAKI
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Patent number: 9578303Abstract: According to one embodiment, an image processing system includes an acquisition unit, a determination unit, and an output unit. The acquisition unit acquires a rendering condition used for generating a parallax image group from volume data. The determination unit sets corresponding information for causing a space coordinate of a stereoscopic image viewed stereoscopically by referring to a stereoscopic display device that displays the parallax image group to correspond to a space coordinate of a captured site in the volume data based on the rendering condition and a display size and determines a scale for converting a length in a space of the stereoscopic image into a length in a space of the captured site based on the corresponding information. The output unit performs output control such that the scale is displayed.Type: GrantFiled: June 13, 2012Date of Patent: February 21, 2017Assignee: Toshiba Medical Systems CorporationInventors: Shinsuke Tsukagoshi, Hiroyasu Inokawa, Michito Nakayama
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Publication number: 20160219686Abstract: According to one embodiment, the X-ray computed tomography apparatus includes an X-ray tube, a rotating frame, a plurality of detector elements, a plurality of DAS elements, switching circuitry, and switching control circuitry. The X-ray tube generates X-rays. The X-ray tube is attached to the rotating frame. The plurality of detector elements detect X-rays. The plurality of DAS elements perform signal processing on output signals from the plurality of detector elements. The switching circuitry is provided between the plurality of detector elements and the plurality of DAS elements. The switching control circuitry controls the switching circuitry to switch the connections between the plurality of detector elements and the plurality of DAS elements for every rotation of the rotating frame at a predetermined angle.Type: ApplicationFiled: January 13, 2016Publication date: July 28, 2016Applicants: KABUSHIKI KAISHA TOSHIBA, Toshiba Medical Systems CorporationInventors: Michito NAKAYAMA, Atsushi HASHIMOTO, Tomoe SAGOH, Takaya UMEHARA, Shuya NAMBU, Koichi MIYAMA, Takashi KANEMARU, Keiji MATSUDA, Machiko ISO
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Patent number: 9354331Abstract: According to one embodiment, an X-ray computed tomography apparatus includes an X-ray tube, a detector, a first DAS, and a second DAS. The radiation detector includes a plurality of detection elements. Each detection element repeatedly detects X-rays generated by the X-ray tube and transmitted through a subject and repeatedly generates an electrical signal corresponding to the energy of the repeatedly detected X-rays. The first DAS acquires the electrical signal detected by part of the imaging region of each detection element in the integral mode. The second DAS acquires the electrical signal detected by the other part of the imaging region of each detection element in the photon count type mode.Type: GrantFiled: September 13, 2012Date of Patent: May 31, 2016Assignees: KABUSHIKI KAISHA TOSHIBA, Toshiba Medical Systems CorporationInventors: Tomoe Sagoh, Michito Nakayama, Keiji Matsuda, Shuya Nambu, Atsushi Hashimoto, Takashi Kanemaru
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Patent number: 9214139Abstract: An image display apparatus has: a first image generator that defines each position between a predetermined start point and end point of a tubular structure as a first viewpoint and generates a first image obtained by observing an image of the inside of the tubular structure from each first viewpoint toward the end point; a second image generator that defines each position between the start point and the end point as a second viewpoint and generates a second image obtained by observing an image of the inside of the tubular structure from each second viewpoint toward the start point; and a user interface that is provided with an operation part, a monitor and a display controller and is configured so that, in response to an instruction from the operation part, the display controller makes the monitor display the first image and the second image.Type: GrantFiled: September 3, 2009Date of Patent: December 15, 2015Assignees: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventor: Michito Nakayama
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Patent number: 9171878Abstract: According to one embodiment, detector and DAS includes an X-ray detector, a board, a DAS, and a plurality of X-ray shielding plates. The X-ray detector detects X-rays and generates an electrical signal corresponding to the detected X-rays. The board is coupled to the X-ray detector and includes a wiring pattern to extract the electrical signal from the X-ray detector. The DAS is coupled to the board and included an electronic part to perform signal processing for the electrical signal. The X-ray shielding plates are provided for the board to prevent the electronic part from being exposed to X-rays transmitted through the X-ray detector. A portion of the wiring pattern is placed between the X-ray shielding plates.Type: GrantFiled: May 2, 2012Date of Patent: October 27, 2015Assignees: KABUSHIKI KAISHA TOSHIBA, Toshiba Medical Systems CorporationInventors: Yoshiaki Yaoi, Takayuki Yamazaki, Michito Nakayama, Seiichiro Murai, Akihiko Taniguchi
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Patent number: 9014329Abstract: An X-ray CT apparatus includes an X-ray source configured to generate an X-ray; a scintillator configured to convert the X-ray into a fluorescent; a substrate including a plurality of photosensitive elements configured to convert the fluorescent into an electric charge; a temperature sensor formed on the surface of the substrate; a heat element formed on the surface of the substrate; and a controller configured to control a temperature of the photodiode by adjusting an electric current of the heat element.Type: GrantFiled: June 21, 2011Date of Patent: April 21, 2015Assignees: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Tomoe Sagoh, Takayuki Yamazaki, Michito Nakayama, Atsushi Hashimoto, Takeshi Miyagi
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Patent number: 8912499Abstract: According to one embodiment, a radioactive ray detecting apparatus includes: a scintillator that produces visible light from a radioactive ray; a light detecting portion including a light receiving element that generates an electrical signal on a basis of intensity of visible light; a first board; a first electrical connection unit that electrically connects the light detecting portion and a first surface of the first board to each other; a second board disposed to face the first board; a second electrical connection that electrically connects a first surface of the second board and a second surface of the first board being opposite from the first surface of the first board to each other; and a data acquisition device that processes an electrical signal transmitted from the light detecting portion through the first electrical connection unit, the first board, the second electrical connection unit, and the second board.Type: GrantFiled: March 11, 2011Date of Patent: December 16, 2014Assignees: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Satoru Asagiri, Takayuki Yamazaki, Michito Nakayama
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Patent number: 8774352Abstract: An X-ray CT apparatus according to the embodiments has a rotation base that includes a plurality of units, including an X-ray generator that irradiates a subject with X-rays, and an X-ray detector that detects X-rays transmitted through the subject. It also has a pathway that communicates between the X-ray detector and at least one other unit excluding the X-ray generator and the X-ray detector. It also has an air supplier that supplies air in the other units to the X-ray detector via the pathway. It also has a temperature measuring part that measures the temperature in the X-ray detector. It also has a controller that performs control of the air supplier based on the measured result from the temperature measuring part.Type: GrantFiled: July 20, 2011Date of Patent: July 8, 2014Assignees: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Takashi Kanemaru, Keiji Matsuda, Hiroyuki Ooishi, Michito Nakayama, Machiko Iso
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Publication number: 20140132605Abstract: An image processing system according to an aspect includes a receiving unit, an estimating unit, a rendering processing unit, and a display controlling unit. The receiving unit receives an operation to apply a virtual force to a subject shown in a stereoscopic image. The estimating unit estimates positional changes of voxels contained in volume data, based on the force received by the receiving unit. The rendering processing unit changes positional arrangements of the voxels contained in the volume data based on a result of the estimation by the estimating unit and newly generates a group of disparity images by performing a rendering process on post-change volume data. The display controlling unit causes a stereoscopic display apparatus to display the group of disparity images newly generated by the rendering processing unit.Type: ApplicationFiled: January 17, 2014Publication date: May 15, 2014Applicants: Toshiba Medical Systems Corporation, Kabushiki Kaisha ToshibaInventors: Shinsuke TSUKAGOSHI, Takashi Tsutsumi, Yoshinori Uebayashi, Michito Nakayama, Yoshiaki Yaoi, Hideki Tajima
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Patent number: 8532250Abstract: An X-ray CT apparatus has an X-ray source, an X-ray detector, a temperature sensor, a data acquisition unit and a controller. The X-ray source generates an X-ray. The X-ray detector detects the X-ray. The temperature sensor detects a temperature of the X-ray detector. The data acquisition unit acquires data from the X-ray detector. The controller controls a temperature of the X-ray detector through adjustment of a workload of the data acquisition unit during a non-scanning time.Type: GrantFiled: February 22, 2011Date of Patent: September 10, 2013Assignees: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Atsushi Hashimoto, Takayuki Yamazaki, Michito Nakayama, Tomoe Sagoh, Takeshi Miyagi
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Publication number: 20130101081Abstract: According to one embodiment, detector and DAS includes an X-ray detector, a board, a DAS, and a plurality of X-ray shielding plates. The X-ray detector detects X-rays and generates an electrical signal corresponding to the detected X-rays. The board is coupled to the X-ray detector and includes a wiring pattern to extract the electrical signal from the X-ray detector. The DAS is coupled to the board and included an electronic part to perform signal processing for the electrical signal. The X-ray shielding plates are provided for the board to prevent the electronic part from being exposed to X-rays transmitted through the X-ray detector. A portion of the wiring pattern is placed between the X-ray shielding plates.Type: ApplicationFiled: May 2, 2012Publication date: April 25, 2013Inventors: Yoshiaki Yaoi, Takayuki Yamazaki, Michito Nakayama, Seiichiro Murai, Akihiko Taniguchi
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Publication number: 20130010921Abstract: According to one embodiment, an X-ray computed tomography apparatus includes an X-ray tube, a detector, a first DAS, and a second DAS. The radiation detector includes a plurality of detection elements. Each detection element repeatedly detects X-rays generated by the X-ray tube and transmitted through a subject and repeatedly generates an electrical signal corresponding to the energy of the repeatedly detected X-rays. The first DAS acquires the electrical signal detected by part of the imaging region of each detection element in the integral mode. The second DAS acquires the electrical signal detected by the other part of the imaging region of each detection element in the photon count type mode.Type: ApplicationFiled: September 13, 2012Publication date: January 10, 2013Inventors: Tomoe SAGOH, Michito NAKAYAMA, Keiji MATSUDA, Shuya NAMBU, Atsushi HASHIMOTO, Takashi KANEMARU
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Publication number: 20120313933Abstract: According to one embodiment, an image processing system includes an acquisition unit, a determination unit, and an output unit. The acquisition unit acquires a rendering condition used for generating a parallax image group from volume data. The determination unit sets corresponding information for causing a space coordinate of a stereoscopic image viewed stereoscopically by referring to a stereoscopic display device that displays the parallax image group to correspond to a space coordinate of a captured site in the volume data based on the rendering condition and a display size and determines a scale for converting a length in a space of the stereoscopic image into a length in a space of the captured site based on the corresponding information. The output unit performs output control such that the scale is displayed.Type: ApplicationFiled: June 13, 2012Publication date: December 13, 2012Applicants: Toshiba Medical Systems Corporation, Kabushiki Kaisha ToshibaInventors: Shinsuke TSUKAGOSHI, Hiroyasu Inokawa, Michito Nakayama
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Publication number: 20120033784Abstract: According to one embodiment, an X-ray detector includes a plurality of detection packs and a plurality of heaters. Each of the detection packs includes a plurality of detection elements that detect X rays having passed through a subject and output a detection signal corresponding to the X rays and is arranged along a predetermined direction. Each of the heaters is provided corresponding to each of the detection packs and individually controls the temperature of each of the detection packs.Type: ApplicationFiled: August 2, 2011Publication date: February 9, 2012Inventors: Keiji Matsuda, Michito Nakayama, Shuya Nambu, Takashi Kanemaru, Atsushi Hashimoto, Tomoe Sagoh