Patents by Inventor Takuzo Takayama

Takuzo Takayama 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).

  • Patent number: 10713823
    Abstract: When a group of (pre-processed) projection data is stored into a projection-data storage unit, a Gaussian-based expansion-data creating unit creates a group of Gaussian-based expansion data that is expanded from each of the group of projection data through linear combination based on a plurality of Gaussian functions that is stored by a Gaussian-function storage unit and has different center points. A reconstruction-image creating unit then creates a reconstruction image by using the Gaussian-based expansion-data created by the Gaussian-based expansion-data creating unit, and stores the created reconstruction image into an image storage unit.
    Type: Grant
    Filed: June 2, 2017
    Date of Patent: July 14, 2020
    Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATION
    Inventors: Manabu Teshigawara, Takuzo Takayama, Tomoyasu Komori, Takaya Umehara
  • Publication number: 20200046252
    Abstract: An ingestible sensor according to an embodiment includes a sensor, a detector, and a transmitter and to be mixed with food and discharged without being digested or absorbed also when entering the inside of a body. The sensor is configured to detect a predetermined substance disposed inside the body. The detector is configured to detect whether or not the sensor has entered the inside of the body. The transmitter is configured to transmit information of the predetermined substance detected by the sensor to a communication device disposed outside the body based on a detection of an entrance of the sensor into the inside of the body that is made by the detector.
    Type: Application
    Filed: October 17, 2019
    Publication date: February 13, 2020
    Applicant: Tohoku University
    Inventors: Yasuhisa NEMOTO, Tomokazu MATSUE, Shuji TANAKA, Takuzo TAKAYAMA
  • Patent number: 10234570
    Abstract: In a PET device, a first detector includes a plurality of first scintillators and detects gamma rays emitted from positron-emitting radionuclides injected into a subject. A second detector is provided on the outer circumferential side of the first detector, includes a plurality of second scintillators arranged in an arrangement surface density lower than that of the first scintillators, and detects gamma rays that have passed through the first detector. A counted information acquiring unit acquires, as first counted information and second counted information, the detection positions, energy values, and detection time regarding gamma rays detected by the first detector and the second detector. Based on the detection time contained in each of the first counted information and the second counted information, an energy value adder generate corrected counted information by summing the energy values contained in the first counted information and the second counted information.
    Type: Grant
    Filed: July 10, 2013
    Date of Patent: March 19, 2019
    Assignees: Toshiba Medical Systems Corporation, National Institutes for Quantum and Radiological Science and Technology
    Inventors: Taiga Yamaya, Takayuki Obata, Iwao Kanno, Takuzo Takayama, Hitoshi Yamagata, Kazuya Okamoto
  • Patent number: 10217246
    Abstract: An X-ray computed tomography (CT) apparatus includes a detector, and processing circuitry. The detector is configured to output, at each incidence of an X-ray photon, a signal enabling measurement of an energy value of the X-ray photon. Processing circuitry is configured to estimate an energy range to be used for imaging based on an imaging condition and to reconstruct X-ray CT image data using counting information to which an energy value within the energy range is associated among pieces of counting information that are collected from individual signals output by the detector at each incidence of an X-ray photon that has been irradiated from an X-ray tube and has passed through a subject, and in which a counting value and an energy value of X-ray photons incident to the detector are associated with each other.
    Type: Grant
    Filed: June 23, 2015
    Date of Patent: February 26, 2019
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Takuzo Takayama, Yasuo Saito, Emi Tamura
  • Patent number: 10197654
    Abstract: A PET-MRI device according to an embodiment includes image generators and a derivation unit. The image generators capture an image of a target placed in an effective visual field of a PET by the PET and an MRI so as to generate a PET image and an MR image. The derivation unit calculates a strain correction factor for correcting strain on the MR image based on a positional relation between a target that is expressed on the PET image and a target that is expressed on the MR image.
    Type: Grant
    Filed: August 6, 2014
    Date of Patent: February 5, 2019
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Takuzo Takayama, Hitoshi Yamagata, Kazuya Okamoto
  • Patent number: 10080534
    Abstract: A medical image diagnostic device according to an embodiment includes a first collector, a second collector, and an image generator. The first collector collects data from a first region of a subject through a first detector. The second collector collects data from a second region of the subject that is different from the first region through a second detector. The image generator generates a first diagnostic image from the data collected by the first collector and generates a second diagnostic image from the data collected by the second collector.
    Type: Grant
    Filed: October 23, 2014
    Date of Patent: September 25, 2018
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Hitoshi Yamagata, Kazuya Okamoto, Takuzo Takayama
  • Patent number: 10067206
    Abstract: A medical image diagnosis apparatus according to an embodiment includes: a first image taking unit, a second image taking unit, a position specifying unit, and a moving controlling unit. The first image taking unit performs an image taking process by implementing PET while using a first PET detector and a second PET detector. The position specifying unit specifies positions of the first PET detector and the second PET detector, on the basis of a medical image taken by the second image taking unit. The moving controlling unit controls moving of the first PET detector and the second PET detector in accordance with the specified positions. The first image taking unit and the second image taking unit each perform the image taking process after the first PET detector and the second PET detector have been moved.
    Type: Grant
    Filed: August 4, 2014
    Date of Patent: September 4, 2018
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Takuzo Takayama, Hitoshi Yamagata, Kazuya Okamoto
  • Patent number: 10067207
    Abstract: A positron emission tomography (PET)-magnetic resonance imaging (MRI) apparatus according to an embodiment includes a gantry having a static magnetic field magnet, a gradient coil, and a radio frequency coil, a PET detector, and a moving mechanism. The static magnetic field magnet generates a static magnetic field in a bore having an approximately cylindrical shape. The gradient coil is disposed on an inner circumference side of the static magnetic field magnet and applies a gradient magnetic field to an object disposed in the bore. The radio frequency coil is disposed on an inner circumference side of the gradient coil and applies a radio frequency magnetic field to the object. The PET detector detects gamma rays emitted from a positron-emitting radionuclide injected into the object. The moving mechanism causes the PET detector in the gantry along the axial direction of the bore.
    Type: Grant
    Filed: October 23, 2014
    Date of Patent: September 4, 2018
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Kazuya Okamoto, Takuzo Takayama, Hitoshi Yamagata
  • Patent number: 9880236
    Abstract: In a PET (Positron Emission Tomography)-MRI (Magnetic Resonance Imaging) apparatus of an embodiment, a magnet that is a seamless structure generates a static magnetic field in a bore having a cylindrical shape. First detectors and second detectors are each formed in a ring shape and detect gamma rays emitted from positron emitting radionuclides injected into a subject. The first detectors and the second detectors are disposed with a space therebetween in an axial direction of the bore so as to interpose the magnetic field center of the static magnetic field therebetween.
    Type: Grant
    Filed: May 1, 2013
    Date of Patent: January 30, 2018
    Assignees: National Institute for Quantum and Radiological Science and Technology, Toshiba Medical Systems Corporation
    Inventors: Takayuki Obata, Taiga Yamaya, Iwao Kanno, Hitoshi Yamagata, Takuzo Takayama, Kazuya Okamoto
  • Patent number: 9864028
    Abstract: In a PET (Positron Emission Tomography)-MRI (Magnetic Resonance Imaging) apparatus of an embodiment, a transmitting radio frequency coil applies a radio frequency magnetic field on a subject placed in a static magnetic field. A detector is formed in a ring shape, disposed on a side adjacent to an outer circumference of the transmitting radio frequency coil, includes at least two PET detectors disposed with a space therebetween in an axial direction of a bore so as to interpose the magnetic field center of the static magnetic field therebetween, and detects gamma rays emitted from positron emitting radionuclides injected into the subject. Radio frequency shields are each formed in an approximately cylindrical shape, disposed between the transmitting radio frequency coil and the detector, and shield the radio frequency magnetic field generated by the transmitting radio frequency coil.
    Type: Grant
    Filed: April 30, 2013
    Date of Patent: January 9, 2018
    Assignees: National Institutes for Quantum and Radiological Science and Technology, Toshiba Medical Systems Corporation
    Inventors: Iwao Kanno, Takayuki Obata, Taiga Yamaya, Kazuya Okamoto, Takuzo Takayama, Hitoshi Yamagata
  • Patent number: 9841389
    Abstract: A photon-counting type X-ray computed tomography apparatus that comprises a high-voltage generator to generate a voltage signal, an X-ray tube to emit X-rays when the X-ray tube receives the voltage signal from the high-voltage generator, an X-ray detector to detect photons derived from the X-rays emitted from the X-ray tube, and circuitry to count a number of the detected photons with respect to a plurality of energy bands, detect a number of photons in a first energy band that exceeds an energy level corresponding to a voltage value of the voltage signal, and changing a number of photons at a second energy band based on the detected number of photons in the first energy band, to correct for operational limitations of the X-ray detector.
    Type: Grant
    Filed: January 14, 2015
    Date of Patent: December 12, 2017
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Emi Tamura, Yasuo Saito, Takuzo Takayama, Hiroaki Miyazaki, Hiroaki Nakai
  • Patent number: 9775225
    Abstract: A gantry includes two X-ray source rings and a detector ring. Each X-ray source ring includes a plurality of X-ray sources arrayed circumferentially. The detector ring is provided next to the X-ray source ring and includes a plurality of X-ray detectors arrayed circumferentially. Each of the plurality of X-ray detectors detects X-rays from the X-ray source ring. A data collection circuit collects raw data corresponding to the intensity of the detected X-rays. A reconstruction unit reconstructs the collected raw data into a CT image based on digital data.
    Type: Grant
    Filed: June 17, 2015
    Date of Patent: September 26, 2017
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Emi Tamura, Yasuo Saito, Takuzo Takayama, Hiroaki Miyazaki, Hiroaki Nakai
  • Publication number: 20170263022
    Abstract: When a group of (pre-processed) projection data is stored into a projection-data storage unit, a Gaussian-based expansion-data creating unit creates a group of Gaussian-based expansion data that is expanded from each of the group of projection data through linear combination based on a plurality of Gaussian functions that is stored by a Gaussian-function storage unit and has different center points. A reconstruction-image creating unit then creates a reconstruction image by using the Gaussian-based expansion-data created by the Gaussian-based expansion-data creating unit, and stores the created reconstruction image into an image storage unit.
    Type: Application
    Filed: June 2, 2017
    Publication date: September 14, 2017
    Applicant: TOSHIBA MEDICAL SYSYTEMS CORPORATION
    Inventors: Manabu TESHIGAWARA, Takuzo TAKAYAMA, Tomoyasu KOMORI, Takaya UMEHARA
  • Patent number: 9747706
    Abstract: When a group of (pre-processed) projection data is stored into a projection-data storage unit, a Gaussian-based expansion-data creating unit creates a group of Gaussian-based expansion data that is expanded from each of the group of projection data through linear combination based on a plurality of Gaussian functions that is stored by a Gaussian-function storage unit and has different center points. A reconstruction-image creating unit then creates a reconstruction image by using the Gaussian-based expansion-data created by the Gaussian-based expansion-data creating unit, and stores the created reconstruction image into an image storage unit.
    Type: Grant
    Filed: February 3, 2010
    Date of Patent: August 29, 2017
    Assignee: TOSHIBA MEDICAL SYSYTEMS CORPORATION
    Inventors: Manabu Teshigawara, Takuzo Takayama, Tomoyasu Komori, Takaya Umehara
  • Publication number: 20170004256
    Abstract: According to one embodiment, a method of generating reference genome data includes: determining, based on a plurality of base sequence data of different subjects, base information relating to at least one position in a base sequence according to a frequency of appearance of each of a plurality of base information at the position. The method further includes generating reference genome data to associate the determined base information with the position.
    Type: Application
    Filed: September 19, 2016
    Publication date: January 5, 2017
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Shigeru MIYASHITA, Hajime Satoh, Seiji Iwata, Takuzo Takayama
  • Publication number: 20160354033
    Abstract: A vital sign information collection system has a vital sign information measuring device that measures vital sign information, a vital sign information collecting device that performs authentication by attribute information of a measurement subject and collects the vital sign information measured by the vital sign information measuring device, and links the attribute information with the collected vital sign information, and a management device that acquires the attribute information and the vital sign information linked with each other, from the vital sign information collecting device, and retains the vital sign information linked with personal information to identify the measurement subject.
    Type: Application
    Filed: August 17, 2016
    Publication date: December 8, 2016
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Kazushige OUCHI, Isao AMEMIYA, Takuzo TAKAYAMA
  • Publication number: 20160278706
    Abstract: A life watching and support apparatus is connected to a living behavior acquirement apparatus configured to acquire behavior information of a user, to a physiological information acquirement apparatus configured to acquire physiological information of the user, and to a display apparatus on a watcher side watching the user. The life watching and support apparatus includes a behavior estimation section configured to estimate a living behavior situation of the user based on the behavior information of the user, a health condition determination section configured to determine a health condition of the user based on the estimated living behavior situation and the physiological information, and an output control section configured to display a watching screen including the determined health condition in the display apparatus on the watcher side depending on the health condition.
    Type: Application
    Filed: March 18, 2014
    Publication date: September 29, 2016
    Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA SOLUTIONS CORPORATION
    Inventors: Toshio OKAMOTO, Takuzo TAKAYAMA, Ken UENO, Takuji SUZUKI
  • Patent number: 9433388
    Abstract: According to the present embodiment, an image diagnosis apparatus includes a first image taking device that takes an image of a patient placed on a couchtop by using an X-ray emission; a second image taking device that takes images in positions by moving an image taking position of the patient by a predetermined distance at a time, along the body-axis direction; a position estimating unit; and a correction processing unit. The position estimating unit estimates a couchtop position for each of the image taking positions of the second image taking device, based on information about warping of the couchtop of the first image taking device. The correction processing unit uses information about the couchtop positions estimated by the position estimating unit, for performing a position correcting process on the images obtained by the image taking devices.
    Type: Grant
    Filed: May 10, 2013
    Date of Patent: September 6, 2016
    Assignee: Toshiba Medical Systems Corpoeration
    Inventors: Yasuhiro Noshi, Manabu Teshigawara, Satoru Nakanishi, Takuzo Takayama
  • Publication number: 20160198978
    Abstract: An ingestible sensor according to an embodiment includes a sensor, a detector, and a transmitter and to be mixed with food and discharged without being digested or absorbed also when entering the inside of a body. The sensor is configured to detect a predetermined substance disposed inside the body. The detector is configured to detect whether or not the sensor has entered the inside of the body. The transmitter is configured to transmit information of the predetermined substance detected by the sensor to a communication device disposed outside the body based on a detection of an entrance of the sensor into the inside of the body that is made by the detector.
    Type: Application
    Filed: March 25, 2016
    Publication date: July 14, 2016
    Applicants: Tohoku University, Kabushiki Kaisha Toshiba
    Inventors: Yasuhisa NEMOTO, Tomokazu MATSUE, Shuji TANAKA, Takuzo TAKAYAMA
  • Patent number: 9274234
    Abstract: A PET apparatus includes a clock unit. The clock unit includes: a time measuring unit that measures a time; and a reference time receiving unit that receives a reference time. The PET apparatus also includes a detection time revising unit. By using the reference time received by the reference time receiving unit, the detection time revising unit revises detection times recorded by using the time measured by the time measuring unit. For example, the detection time revising unit revises the detection times by calculating a time error that occurred during an image taking period of a predetermined image taking process by using the time measured by the time measuring unit and the reference time received by the reference time receiving unit and further distributing the calculated time error to each of the detection times recorded during the image taking period.
    Type: Grant
    Filed: April 30, 2012
    Date of Patent: March 1, 2016
    Assignees: Kabushiki Kaisha Toshiba, Toshiba Medical Systems Corporation
    Inventor: Takuzo Takayama