Patents by Inventor Satoshi Wakai

Satoshi Wakai 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: 9844356
    Abstract: A medical image processing apparatus includes a processing circuitry. The processing circuitry obtains volume data including a tubular organ. The processing circuitry extracts the tubular organ from the volume data. The processing circuitry calculates each of a plurality of feature quantities at a plurality of positions in the tubular organ. The processing circuitry calculates a graph indicating a distribution of the plurality of feature quantities at the plurality of positions. The processing circuitry displays the graph and the tubular organ on a display, the displayed graph being aligned with the displayed tubular organ.
    Type: Grant
    Filed: August 20, 2015
    Date of Patent: December 19, 2017
    Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATION
    Inventor: Satoshi Wakai
  • Publication number: 20170347980
    Abstract: In one embodiment, a medical image diagnostic apparatus includes a memory circuit; a display; and processing circuitry configured to acquire medical images of an object at respective time phases, detect respective positions of a treatment device in the medical images, acquire biological information from the medical images, compute biological indexes indicating degree of a treatment effect for the respective time phases based on the biological information, cause the memory circuit to store the biological indexes and the respective positions of the treatment device in the medical images such that each biological index is associated with a position of the treatment device in a medical image, from which the biological information corresponding to the each biological index is acquired, for the respective time phases, and cause the display to display each position of the treatment device and a biological index associated with the each position of the treatment device.
    Type: Application
    Filed: June 7, 2017
    Publication date: December 7, 2017
    Applicant: TOSHIBA MEDICAL SYSTEMS CORPORATION
    Inventor: Satoshi WAKAI
  • Patent number: 9811907
    Abstract: There is provided a medical image processing apparatus which includes a first extraction unit configured to extract coronary arteries depicted in images of a plurality of time phases relating to the heart, and to extract at least one stenosed part depicted in each coronary artery; a calculation unit configured to calculate a pressure gradient of each of the extracted coronary arteries, based on tissue blood flow volumes of the coronary arteries; a second extraction unit configured to extract an ischemic region depicted in the images; and a specifying unit configured to specify a responsible blood vessel of the ischemic region by referring to a dominance map, in which each of the extracted coronary arteries and a dominance territory are associated, for the extracted ischemic region, and to specify a responsible stenosis, based on the pressure gradient corresponding to a stenosed part in the specified responsible blood vessel.
    Type: Grant
    Filed: May 29, 2015
    Date of Patent: November 7, 2017
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Takuma Igarashi, Satoshi Wakai, Kazumasa Arakita, Hideaki Ishii, Yasuko Fujisawa, Shigeo Kaminaga, Kenji Hirohata, Junichiro Ooga
  • Publication number: 20170316587
    Abstract: According to one embodiment, a medical image diagnostic apparatus includes a storage memory, processing circuitry, and a display. The storage memory stores data of a plurality of FFR distribution maps constituting a time series regarding a coronary artery, and data of a plurality of morphological images corresponding to the time series. The processing circuitry converts the plurality of FFR distribution maps into a plurality of corresponding color maps, respectively. The display displays a plurality of superposed images obtained by superposing the plurality of color maps and the plurality of morphological images respectively corresponding in phase to the plurality of color maps. The display restricts display targets for the plurality of color maps based on the plurality of FFR distribution maps or the plurality of morphological images.
    Type: Application
    Filed: July 18, 2017
    Publication date: November 2, 2017
    Applicant: Toshiba Medical Systems Corporation
    Inventors: Hideaki ISHII, Satoshi WAKAI, Kazumasa ARAKITA, Takuma IGARASHI, Yasuko FUJISAWA, Shigeo KAMINAGA, Kenji HIROHATA, Junichiro OOGA
  • Patent number: 9786068
    Abstract: According to one embodiment, a medical image diagnostic apparatus includes a storage memory, processing circuitry, and a display. The storage memory stores data of a plurality of FFR distribution maps constituting a time series regarding a coronary artery, and data of a plurality of morphological images corresponding to the time series. The processing circuitry converts the plurality of FFR distribution maps into a plurality of corresponding color maps, respectively. The display displays a plurality of superposed images obtained by superposing the plurality of color maps and the plurality of morphological images respectively corresponding in phase to the plurality of color maps. The display restricts display targets for the plurality of color maps based on the plurality of FFR distribution maps or the plurality of morphological images.
    Type: Grant
    Filed: August 19, 2016
    Date of Patent: October 10, 2017
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Hideaki Ishii, Satoshi Wakai, Kazumasa Arakita, Takuma Igarashi, Yasuko Fujisawa, Shigeo Kaminaga, Kenji Hirohata, Junichiro Ooga
  • Publication number: 20170275575
    Abstract: An object of the present invention is to provide a biological corrosion inhibitor for a metal, which exhibits the effect at a low concentration and is superior in biodegradability. A biological corrosion inhibitor for a metal including 3-methylglutaraldehyde as an effective ingredient is provided.
    Type: Application
    Filed: September 14, 2015
    Publication date: September 28, 2017
    Applicant: KURARAY CO., LTD.
    Inventors: Takuo TSURUTA, Ryosuke SHIMIZU, Takahiro HOSONO, Junichi FUJI, Satoshi WAKAI
  • Patent number: 9746989
    Abstract: According to one embodiment, a three-dimensional image processing apparatus includes at least a storage, an inputting unit, an image generating unit and a pointer controlling unit. The storage stores volume data of a target. The inputting unit receives an input operation for moving a pointer. The image generating unit generates a superimposed image in which a rendering image generated by performing a rendering process on the volume data and a pointer image are superimposed in consideration of information of depth. The pointer controlling unit obtains information of a three-dimensional position of the pointer. When the pointer is on the rendering image, the pointer controlling unit moves the pointer along a three-dimensional surface of a target contained in the volume data.
    Type: Grant
    Filed: October 9, 2012
    Date of Patent: August 29, 2017
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Kensuke Shinoda, Kyoko Sato, Satoshi Wakai, Tomohisa Fukunaga
  • Publication number: 20170227620
    Abstract: In one embodiment, an image processing device includes memory circuitry configured to store a program; and processing circuitry configured, by executing the program, to extract an outer wall of a tubular structure by using a fat image obtained by a water/fat separation method of magnetic resonance imaging, and generate a tubular-structure wall image in which a wall of the tubular structure is distinguished, based on the outer wall.
    Type: Application
    Filed: October 17, 2016
    Publication date: August 10, 2017
    Applicant: TOSHIBA MEDICAL SYSTEMS CORPORATION
    Inventor: Satoshi WAKAI
  • Patent number: 9700274
    Abstract: According to one embodiment, an image observation apparatus includes a condition storage, list generation circuitry, and a display. The condition storage stores a plurality of display target conditions respectively corresponding to a plurality of display areas in a display screen. The list generation circuitry generates a plurality of image lists respectively corresponding to the plurality of display areas, which concern additional items of a plurality of images respectively corresponding to the display target conditions. The display displays the plurality of image lists in the plurality of display areas, and an image corresponding to an additional item selected from the plurality of displayed image lists in the corresponding display area.
    Type: Grant
    Filed: June 5, 2015
    Date of Patent: July 11, 2017
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Kota Aoyagi, Satoshi Wakai, Kazumasa Arakita
  • Patent number: 9690902
    Abstract: The extraction unit extracts a plurality of medical images as a list display target from an image storage unit storing a plurality of medical images and an plurality of apparatus types in association with each other. The list generation unit generates a list in which a plurality of reduced images respectively corresponding to the plurality of extracted medical images are arranged. The plurality of reduced images are arranged for each apparatus type in the list, and the list clearly indicates a reduced image corresponding to a candidate image of the plurality of extracted medical images that is more likely to be used. The display displays the generated list.
    Type: Grant
    Filed: June 3, 2015
    Date of Patent: June 27, 2017
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Kazumasa Arakita, Satoshi Wakai, Kota Aoyagi
  • Patent number: 9679377
    Abstract: According to embodiment, a medical image processing apparatus includes input interface circuitry and processing circuitry. The input interface circuitry inputs at least three landmarks in a first and second slice image group. The processing circuitry determines, in each of the first and second slice image group, a first axis connecting two points in the landmarks and a second axis that passes through another point different from the two points and is orthogonal to the first axis. The processing circuitry performs a registration between first slice images belonging to the first slice image group and second slice images belonging to the second slice image group by using the first and second axes in the first slice image group and the first and second axes in the second slice image group.
    Type: Grant
    Filed: October 27, 2015
    Date of Patent: June 13, 2017
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Tetsuya Yokota, Satoshi Wakai
  • Patent number: 9659366
    Abstract: An image processing display and an image processing display program that can prevent interference with catheter treatment even when the distal end of a catheter is located behind a treatment apparatus on X-ray fluoroscopic images. The image processing display displays X-ray fluoroscopic images to be obtained by looking through a region including blood vessels using X-rays during treatment, and includes a treatment apparatus image extractor and an image processor. The treatment apparatus image extractor, based on X-ray fluoroscopic images, extracts treatment apparatus images representing the treatment apparatus having the property of absorbing X-rays. The image processor determines the distal end position of the catheter to superimpose and display images representing the determined distal end position of the catheter on the region of the X-ray fluoroscopic images showing the treatment apparatus.
    Type: Grant
    Filed: August 10, 2012
    Date of Patent: May 23, 2017
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Tetsuya Yokota, Tomohiro Kawasaki, Satoshi Wakai
  • Publication number: 20170095221
    Abstract: An image processing apparatus according to an embodiment includes storage circuitry and processing circuitry. The storage circuitry stores therein fluid resistance data representing a correlation among a vascular shape, a blood flow rate, and a pressure loss. The processing circuitry extracts, from three-dimensional image data in which a blood vessel of a subject is rendered, vascular shape data representing a shape of the blood vessel. The processing circuitry performs fluid analysis based on the vascular shape data and the blood flow rate and the pressure loss that correspond to the vascular shape data and that are correlated by the fluid resistance data to derive a functional index related to a blood circulation state in the blood vessel of the subject.
    Type: Application
    Filed: October 4, 2016
    Publication date: April 6, 2017
    Applicant: Toshiba Medical Systems Corporation
    Inventors: Mitsuaki KATO, Kenji HIROHATA, Akira KANO, Shinya HIGASHI, Shigeo KAMINAGA, Yasuko FUJISAWA, Satoshi WAKAI
  • Publication number: 20170071479
    Abstract: An image processing apparatus according to an embodiment includes a processing circuitry. The processing circuitry is configured to obtain images in a time series including images of a blood vessel of a subject and correlation information indicating a correlational relationship between physical indices of the blood vessel and function indices of the blood vessel related to vascular hemodynamics, calculate blood vessel morphology indices in a time series indicating morphology of the blood vessel of the subject, on a basis of the images in the time series, and identify a function index of the blood vessel of the subject, by using a physical index of the blood vessel of the subject obtained from the blood vessel morphology indices, on a basis of the correlation information.
    Type: Application
    Filed: November 4, 2016
    Publication date: March 16, 2017
    Applicant: Toshiba Medical Systems Corporation
    Inventors: Akira KANO, Kenji HIROHATA, Junichiro OOGA, Mitsuaki KATO, Takuya HONGO, Akihiro GORYU, Shigeo KAMINAGA, Yasuko FUJISAWA, Satoshi WAKAI, Yoshihiro IKEDA, Kazumasa ARAKITA
  • Patent number: 9532756
    Abstract: A medical image control system includes a medical image diagnostic apparatus and a mobile terminal. The medical image diagnostic apparatus includes a collecting unit, a distributing unit, and a reflecting unit. The collecting unit captures a subject based on predetermined image capturing conditions to collect time-series image data. The distributing unit distributes the time-series image data to the mobile terminal at least when the collecting unit collects the time-series image data. The reflecting unit receives control information and reflects the received control information to a process. The mobile terminal includes a replaying unit and a control information transmitting unit. The replaying unit receives the time-series image data distributed and replay the received time-series image data.
    Type: Grant
    Filed: January 22, 2014
    Date of Patent: January 3, 2017
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Satoshi Wakai, Satoshi Ikeda, Megumu Fukuda, Takeshi Ezumi, Shinya Sugiyama, Megumu Fujiwara
  • Publication number: 20160379382
    Abstract: According to one embodiment, a medical image diagnostic apparatus includes a storage memory, processing circuitry, and a display. The storage memory stores data of a plurality of FFR distribution maps constituting a time series regarding a coronary artery, and data of a plurality of morphological images corresponding to the time series. The processing circuitry converts the plurality of FFR distribution maps into a plurality of corresponding color maps, respectively. The display displays a plurality of superposed images obtained by superposing the plurality of color maps and the plurality of morphological images respectively corresponding in phase to the plurality of color maps. The display restricts display targets for the plurality of color maps based on the plurality of FFR distribution maps or the plurality of morphological images.
    Type: Application
    Filed: August 19, 2016
    Publication date: December 29, 2016
    Applicant: Toshiba Medical Systems Corporation
    Inventors: Hideaki ISHII, Satoshi Wakai, Kazumasa Arakita, Takuma Igarashi, Yasuko Fujisawa, Shigeo Kaminaga, Kenji Hirohata, Junichiro Ooga
  • Patent number: 9519993
    Abstract: A medical image processing apparatus according to an embodiment for visualization of each of plural captured image volume data having time of day information includes a generator configured to generate interpolation volume data for interpolation in the plural captured image volume data, based on the plural captured image volume data, and a display unit configured to visualize and display the plural captured image volume data and the interpolation volume data. The generator extracts a feature region in the captured image volume data, and is configured such that processing for generating the interpolation volume data for the feature region is different from processing for generating the interpolation volume data for other regions, so as to suppress a change in shape of the feature region.
    Type: Grant
    Filed: November 23, 2012
    Date of Patent: December 13, 2016
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Tomohiro Kawasaki, Kensuke Shinoda, Satoshi Wakai
  • Publication number: 20160345923
    Abstract: A medical image processing apparatus according to the embodiments includes a memory circuitry that stores a program, and a processing circuitry that reads out the program from the memory circuitry and executes the program. The processing circuitry sets a region of interest to be observed and a region of non-interest that is different from the region of interest based on volume data, and determines a trajectory of an arm that holds an X-ray irradiator that irradiates X-rays and a detector that detects the irradiated X-rays based on a relative positional relationship between the region of interest and the region of non-interest.
    Type: Application
    Filed: March 14, 2016
    Publication date: December 1, 2016
    Applicant: TOSHIBA MEDICAL SYSTEMS CORPORATION
    Inventor: Satoshi WAKAI
  • Patent number: 9471999
    Abstract: According to one embodiment, a medical image diagnostic apparatus includes a storage memory, processing circuitry, and a display. The storage memory stores data of a plurality of FFR distribution maps constituting a time series regarding a coronary artery, and data of a plurality of morphological images corresponding to the time series. The processing circuitry converts the plurality of FFR distribution maps into a plurality of corresponding color maps, respectively. The display displays a plurality of superposed images obtained by superposing the plurality of color maps and the plurality of morphological images respectively corresponding in phase to the plurality of color maps. The display restricts display targets for the plurality of color maps based on the plurality of FFR distribution maps or the plurality of morphological images.
    Type: Grant
    Filed: May 29, 2015
    Date of Patent: October 18, 2016
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Hideaki Ishii, Satoshi Wakai, Kazumasa Arakita, Takuma Igarashi, Yasuko Fujisawa, Shigeo Kaminaga, Kenji Hirohata, Junichiro Ooga
  • Publication number: 20160286799
    Abstract: The present invention aims to provide an agent for inhibiting biocorrosion of a metal, which shows high environmental and occupational safety. An agent for inhibiting biocorrosion of a metal, comprising 1,9-nonanedial and/or 2-methyl-1,8-octanedial as an active ingredient.
    Type: Application
    Filed: November 14, 2014
    Publication date: October 6, 2016
    Applicant: KURARAY CO., LTD.
    Inventors: Junichi FUJI, Yutaka SUZUKI, Kosuke SENDA, Satoshi WAKAI