Patents by Inventor Tatsuya Kimoto

Tatsuya Kimoto 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: 11836923
    Abstract: An image processing apparatus according to the present invention calculates, even in a case where a region of a part as an observation target included in an image capturing range is different between a plurality of medical images in different time phases, a degree of slippage of the region of the part as the observation target with high accuracy.
    Type: Grant
    Filed: June 11, 2021
    Date of Patent: December 5, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventors: Toru Tanaka, Ryo Ishikawa, Tatsuya Kimoto, Hiroshi Moriya
  • Publication number: 20230231629
    Abstract: A light source includes: a seed light source configured to output incoherent seed light with a predetermined bandwidth; and a booster amplifier that is a semiconductor optical amplifier configured to optically amplify the seed light input from a first facet, and output the amplified seed light as amplified light from a second facet, wherein the first facet and the second facet of the booster amplifier are subjected to a reflection reduction treatment, the booster amplifier is configured to operate in a gain saturated state, and relative intensity noise (RIN) and ripple are simultaneously suppressed in the amplified light.
    Type: Application
    Filed: March 8, 2023
    Publication date: July 20, 2023
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Haruki OGOSHI, Junji YOSHIDA, Yusuke INABA, Tatsuya KIMOTO, Masaki FUNABASHI, Seiji ICHINO, Naoya HOJO, Shigehiro TAKASAKA, Ryuichi SUGIZAKI, Nitidet THUDSALINGKARNSAKUL, Sanguan ANANTATHANASARN
  • Publication number: 20230079025
    Abstract: An information processing apparatus acquires projection data obtained by dividing a subject into first and second divided areas and capturing the first and second divided areas, the projection data including first projection data obtained by capturing a dynamic state of the subject in a first capturing range including the first divided area and second projection data obtained by capturing the dynamic state of the subject in a second capturing range including the second divided area. The apparatus acquires similarity relating to the dynamic state of the subject on a basis of projection data of a first partial area and projection data of a second partial area, and acquires a first timing for reconstructing an image of the first divided area and a second timing for reconstructing an image of the second divided area, on a basis of the similarity.
    Type: Application
    Filed: September 7, 2022
    Publication date: March 16, 2023
    Inventors: Toru Tanaka, Ryo Ishikawa, Tatsuya Kimoto
  • Patent number: 11138735
    Abstract: An image processing apparatus includes processing circuitry configured: to obtain a plurality of images taken so as to include a target site of a subject in temporal phases; and to calculate an index indicating a state of an adhesion at a boundary between a first site of the subject corresponding to a first region and a second site of the subject corresponding to a second region, by using classification information used for classifying each of pixels into one selected from between a first class related to the first region and a second class related to a second region positioned adjacent to the first region in a predetermined direction, on a basis of mobility information among the images in the temporal phases with respect to the pixels in the images that are arranged in the predetermined direction across the boundary between the first region and the second region of the images.
    Type: Grant
    Filed: October 17, 2018
    Date of Patent: October 5, 2021
    Assignee: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Misaki Haratake, Toshimitsu Kaneko, Atsushi Yaguchi, Tatsuya Kimoto, Shinsuke Tsukagoshi
  • Publication number: 20210304409
    Abstract: An image processing apparatus according to the present invention calculates, even in a case where a region of a part as an observation target included in an image capturing range is different between a plurality of medical images in different time phases, a degree of slippage of the region of the part as the observation target with high accuracy.
    Type: Application
    Filed: June 11, 2021
    Publication date: September 30, 2021
    Inventors: Toru Tanaka, Ryo Ishikawa, Tatsuya Kimoto, Hiroshi Moriya
  • Patent number: 11002909
    Abstract: An optical integrated device includes a substrate a passive waveguide region and an active region. The active region and the passive waveguide region include a first mesa structure having an upper cladding portion formed of a same material as the upper cladding layer. The passive waveguide region includes a second spot size converter having the first mesa structure, a second mesa structure having a first core portion, a lower cladding portion, and a second core portion that are formed of same materials as the first core layer, the lower cladding layer, and the second core layer, respectively. The second mesa structure has a width wider than a width of the first mesa structure, and the width of the first mesa structure continuously changes along a longitudinal direction in which light is guided through the second core portion, the width being along a direction perpendicular to the longitudinal direction.
    Type: Grant
    Filed: June 19, 2019
    Date of Patent: May 11, 2021
    Assignee: FURUKAWA ELECTRIC CO,. LTD.
    Inventors: Yusuke Saito, Tatsuro Kurobe, Tatsuya Kimoto, Shinichi Kamiya
  • Patent number: 10948809
    Abstract: An image projection apparatus includes an optical element configured to change a light amount of light emitted from the light source, an information acquirer configured to acquire information on a gradation of the image signal, a corrector configured to correct the image signal in accordance with a change in the light amount, and a controller configured to correct the image signal based on at least one of first correction data used to correct the image signal in accordance with the change in the light amount caused by controlling the optical element, and second correction data used to correct the image signal in accordance with the change in the light amount caused by controlling the supply power.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: March 16, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Tatsuya Kimoto, Ikuo Takanashi
  • Patent number: 10856828
    Abstract: According to one embodiment, a support information-generation apparatus includes processing circuitry. The processing circuitry extracts a vertebral body region from a medical image and calculates a first volume of a vertebral body targeted for treatment by percutaneous vertebroplasty. The processing circuitry estimates a second volume of the targeted vertebral body related to an estimated shape. The processing circuitry calculates, based on a difference between the first volume and the second volume, a volume of an object to be inserted so as to deform the targeted vertebral body into the estimated shape.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: December 8, 2020
    Assignee: Canon Medical Systems Corporation
    Inventors: Chihiro Morita, Tatsuya Kimoto
  • Patent number: 10838147
    Abstract: An optical element has a substrate; and first to third optical waveguides formed on the substrate and each having a lower clad layer, a core layer, and an upper clad layer, the core layer having a larger refractive index than the lower clad layer and the upper clad layer. The first optical waveguide is optically connected to the second optical waveguide, and the second optical waveguide is optically connected to the third optical waveguide. The first to third optical waveguides have a mesa structure formed in a mesa shape in which at least the upper clad layer and an upper part of the core layer project above the lower clad layer. The core height of the third optical waveguide is lower than the core height of the first optical waveguide. The mesa width of the third optical waveguide is narrower than the mesa width of the first optical waveguide.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: November 17, 2020
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Yusuke Saito, Tatsuya Kimoto
  • Patent number: 10762830
    Abstract: A display apparatus includes a light source, a light amount control unit configured to control an amount of light emitted from the light source, an image processing unit configured to control a signal level of the image signal, and a control unit configured to control the light amount control unit and the image processing unit based on the image signal. The control unit performs control such that, when the image signal changes, the signal level of the image signal controlled by the image processing unit becomes a signal level corresponding to the changed image signal more quickly than the light amount controlled by the light amount control unit reaches a light amount corresponding to the changed image signal.
    Type: Grant
    Filed: July 18, 2018
    Date of Patent: September 1, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventors: Ikuo Takanashi, Tatsuya Kimoto
  • Patent number: 10534131
    Abstract: A semiconductor optical integrated device includes: a substrate; at least a lower cladding layer, a waveguide core layer, and an upper cladding layer sequentially layered on the substrate, a buried hetero structure waveguide portion having a waveguide structure in which a semiconductor cladding material is embedded near each of both sides of the waveguide core layer; and a ridge waveguide portion having a waveguide structure in which a semiconductor layer including at least the upper cladding layer protrudes in a mesa shape. Further, a thickness of the upper cladding layer in the buried hetero structure waveguide portion is greater than a thickness of the upper cladding layer in the ridge waveguide portion.
    Type: Grant
    Filed: February 8, 2019
    Date of Patent: January 14, 2020
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Kazuaki Kiyota, Tatsuya Kimoto, Yusuke Saito
  • Patent number: 10517559
    Abstract: According to one embodiment, a nuclear medicine diagnostic apparatus includes a counting unit, a region of interest setting unit, a normalization unit, and an image generation unit. The counting unit counts radiation emitted from radioisotopes in an imaging region of an object. The ROI setting unit sets a region of interest (ROI) in the imaging region. The normalization unit determines association between count values and pixel values of display pixels for the ROI in accordance with a distribution of the count values of the display pixels corresponding to the ROI. The image generation unit generates an image of the ROI based on the association between the count values and the pixel values for the ROI.
    Type: Grant
    Filed: March 15, 2017
    Date of Patent: December 31, 2019
    Assignee: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Tatsuya Kimoto, Yoshihiro Ikeda
  • Publication number: 20190307410
    Abstract: According to one embodiment, a support information-generation apparatus includes processing circuitry. The processing circuitry extracts a vertebral body region from a medical image and calculates a first volume of a vertebral body targeted for treatment by percutaneous vertebroplasty. The processing circuitry estimates a second volume of the targeted vertebral body related to an estimated shape. The processing circuitry calculates, based on a difference between the first volume and the second volume, a volume of an object to be inserted so as to deform the targeted vertebral body into the estimated shape.
    Type: Application
    Filed: April 5, 2019
    Publication date: October 10, 2019
    Applicant: Canon Medical Systems Corporation
    Inventors: Chihiro MORITA, Tatsuya KIMOTO
  • Publication number: 20190302360
    Abstract: An optical integrated device includes a substrate a passive waveguide region and an active region. The active region and the passive waveguide region include a first mesa structure having an upper cladding portion formed of a same material as the upper cladding layer. The passive waveguide region includes a second spot size converter having the first mesa structure, a second mesa structure having a first core portion, a lower cladding portion, and a second core portion that are formed of same materials as the first core layer, the lower cladding layer, and the second core layer, respectively. The second mesa structure has a width wider than a width of the first mesa structure, and the width of the first mesa structure continuously changes along a longitudinal direction in which light is guided through the second core portion, the width being along a direction perpendicular to the longitudinal direction.
    Type: Application
    Filed: June 19, 2019
    Publication date: October 3, 2019
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Yusuke SAITO, Tatsuro KUROBE, Tatsuya KIMOTO, Shinichi KAMIYA
  • Patent number: 10430143
    Abstract: An image output apparatus according to the present invention includes: communicating units; an acquiring unit configured to acquire, for each of the communicating unit connected to an image display apparatus, correspondence information; a setting unit configured to set, for each of the communicating unit, an output mode; and an outputting unit configured to output, for each of the communicating unit, image data based on an output mode set with respect to the communicating unit, wherein the setting unit automatically sets a first output mode with respect to a communicating unit for which the correspondence information has been acquired.
    Type: Grant
    Filed: August 31, 2015
    Date of Patent: October 1, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tatsuya Kimoto, Eito Sakakima
  • Patent number: 10339697
    Abstract: According to one embodiment, a medical image processing apparatus is configured to capture images of an observation object over time to obtain a three-dimensional image. The observation object includes a first hard tissue and a second hard tissue which are adjacent to each other. The medical image processing apparatus includes a control circuit, a plane acquisition unit, and an image generator. Under the control of the control circuit, the plane acquisition unit extracts the first hard tissue and the second hard tissue based on the three-dimensional image. The image generator generates, as an image for observation, a cross-sectional image of a plane including the first hard tissue and at least part of the second hard tissue or an image projected on a plane parallel to the plane including the first hard tissue and at least part of the second hard tissue based on the three-dimensional image.
    Type: Grant
    Filed: November 23, 2015
    Date of Patent: July 2, 2019
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Megumu Fujiwara, Tatsuya Kimoto, Yasuko Fujisawa
  • Publication number: 20190196310
    Abstract: An image projection apparatus includes an optical element configured to change a light amount of light emitted from the light source, an information acquirer configured to acquire information on a gradation of the image signal, a corrector configured to correct the image signal in accordance with a change in the light amount, and a controller configured to correct the image signal based on at least one of first correction data used to correct the image signal in accordance with the change in the light amount caused by controlling the optical element, and second correction data used to correct the image signal in accordance with the change in the light amount caused by controlling the supply power.
    Type: Application
    Filed: December 21, 2018
    Publication date: June 27, 2019
    Inventors: Tatsuya Kimoto, Ikuo Takanashi
  • Publication number: 20190187369
    Abstract: A semiconductor optical integrated device includes: a substrate; at least a lower cladding layer, a waveguide core layer, and an upper cladding layer sequentially layered on the substrate, a buried hetero structure waveguide portion having a waveguide structure in which a semiconductor cladding material is embedded near each of both sides of the waveguide core layer; and a ridge waveguide portion having a waveguide structure in which a semiconductor layer including at least the upper cladding layer protrudes in a mesa shape. Further, a thickness of the upper cladding layer in the buried hetero structure waveguide portion is greater than a thickness of the upper cladding layer in the ridge waveguide portion.
    Type: Application
    Filed: February 8, 2019
    Publication date: June 20, 2019
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Kazuaki KIYOTA, Tatsuya KIMOTO, Yusuke SAITO
  • Patent number: 10299752
    Abstract: A medical image processing apparatus according to an embodiment includes storage circuitry, image data processing circuitry, and association circuitry. The storage circuitry stores therein pieces of image data on a subject obtained at a plurality of time phases from a medical image diagnostic apparatus. The image data processing circuitry calculates an index value obtained by comparing a pixel value of image data of a reference time phase among the pieces of image data of the time phases and a pixel value of each of the pieces of image data of the time phases. The association circuitry selects at least one of the pieces of image data of the time phases based on the index value calculated for each of the time phases and associates the one piece of image data with a breathing time phase in at least one of inspiration and expiration of the subject.
    Type: Grant
    Filed: April 27, 2016
    Date of Patent: May 28, 2019
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Tatsuya Kimoto, Shigeharu Ohyu, Yasuko Fujisawa
  • Publication number: 20190114772
    Abstract: An image processing apparatus includes processing circuitry configured: to obtain a plurality of images taken so as to include a target site of a subject in temporal phases; and to calculate an index indicating a state of an adhesion at a boundary between a first site of the subject corresponding to a first region and a second site of the subject corresponding to a second region, by using classification information used for classifying each of pixels into one selected from between a first class related to the first region and a second class related to a second region positioned adjacent to the first region in a predetermined direction, on a basis of mobility information among the images in the temporal phases with respect to the pixels in the images that are arranged in the predetermined direction across the boundary between the first region and the second region of the images.
    Type: Application
    Filed: October 17, 2018
    Publication date: April 18, 2019
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Misaki HARATAKE, Toshimitsu KANEKO, Atsushi YAGUCHI, Tatsuya KIMOTO, Shinsuke TSUKAGOSHI