Patents by Inventor Yoshio Iizuka

Yoshio Iizuka 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).

  • Publication number: 20240054643
    Abstract: An image processing apparatus according to embodiments extracts a region of interest including a specified point on medical image data. The image processing apparatus includes processing circuitry. The processing circuitry extracts a first extraction region estimated as the region of interest from first partial image data included in a first processing range that includes the specified point of the medical image data. The processing circuitry extracts a second extraction region estimated as the region of interest from second partial image data included in a second processing range that is in contact with an edge portion of the first processing range or that includes at least a part of the edge portion, from the medical image data when the first extraction region is determined as a part of the region of interest.
    Type: Application
    Filed: August 9, 2023
    Publication date: February 15, 2024
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Yoshio IIZUKA, Yuki NAGATO
  • Publication number: 20240033974
    Abstract: This method for producing a fiber-reinforced composite material includes: a fiber dispersion process of providing a fiber-dispersed resin by kneading a resin 10a with fibers 10b to disperse the fibers 10b in the resin 10a; and a molecular weight reduction process in which, while transporting the fiber-dispersed resin along an outer peripheral surface of a screw body 37 provided with a passage 88 inside, the fiber-dispersed resin passes from an inlet 91 of the passage 88 to an outlet 92 of the passage 88 and a shear force is applied to the fiber-dispersed resin by restricting the transport of the fiber-dispersed resin with a barrier unit 82 disposed between the inlet 91 and the outlet 92 of the passage 88 on the outer peripheral surface.
    Type: Application
    Filed: August 3, 2022
    Publication date: February 1, 2024
    Applicants: SHIBAURA MACHINE CO., LTD., National University Corporation Kanazawa University
    Inventors: Yuya SASAI, Yoshio IIZUKA, Kaho OSADA, Kentaro TAKI
  • Patent number: 11880975
    Abstract: An information processing apparatus includes an acquisition unit, a determination unit, and an output unit. The acquisition unit acquires history information of image processing using a plurality of medical images. The determination unit determines, using the acquired history information, whether image processing using a first medical image and a second medical image selected by an operator as an image pair to be used in the image processing has already been performed. The output unit outputs a notification in accordance with a result of the determination.
    Type: Grant
    Filed: October 7, 2020
    Date of Patent: January 23, 2024
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Kazuhiro Miyasa, Yoshio Iizuka, Gakuto Aoyama
  • Publication number: 20230392308
    Abstract: A production device for melt-blown non-woven fabric, with which a high molecular weight polymer can be reduced in molecular weight by applying a shear force to the high molecular weight polymer without adding an additive such as a peroxide that promotes thermal decomposition reaction, and a low molecular weight polymer can be efficiently produced. The low molecular weight polymer and the melt-blown non-woven fabric are produced using a continuous high shearing device that applies a shear force to the high molecular weight polymer serving as a raw material by rotation of a screw body 37 to reduce the molecular weight of the high molecular weight polymer so as to obtain a low molecular weight polymer, and cools the low molecular weight polymer by passing the low molecular weight polymer through a passage 88 arranged in the axial direction inside the screw body 37.
    Type: Application
    Filed: August 21, 2023
    Publication date: December 7, 2023
    Applicants: SHIBAURA MACHINE CO., LTD., NATIONAL UNIVERSITY CORPORATION KANAZAWA UNIVERSITY
    Inventors: Yuya SASAI, Takafumi SAMESHIMA, Yoshio IIZUKA, Kaho OSADA, Kentaro TAKI
  • Patent number: 11781254
    Abstract: A production method for a low molecular weight polymer suitable for a melt-blown non-woven fabric and a production device for melt-blown non-woven fabric, with which a high molecular weight polymer can be reduced in molecular weight by applying a shear force to the high molecular weight polymer without adding an additive. The low molecular weight polymer and the melt-blown non-woven fabric are produced using a continuous high shearing device that applies a shear force to the high molecular weight polymer serving as a raw material by rotation of a screw body to reduce the molecular weight of the high molecular weight polymer so as to obtain a low molecular weight polymer, and cools the low molecular weight polymer by passing the low molecular weight polymer through a passage arranged in the axial direction inside the screw body.
    Type: Grant
    Filed: December 21, 2020
    Date of Patent: October 10, 2023
    Assignees: SHIBAURA MACHINE CO., LTD., National University Corporation Kanazawa University
    Inventors: Yuya Sasai, Takafumi Sameshima, Yoshio Iizuka, Kaho Osada, Kentaro Taki
  • Patent number: 11584830
    Abstract: In a production method for a conductive composite material for an extruder that continuously discharges a kneaded product produced by kneading a raw material using a screw, the screw has a the screw body, the raw material transported along an outer circumferential surface of the screw body receives increased pressure by a barrier part in a transport part and is introduced to a passage from an inlet, and while the kneaded product is continuously discharged, the raw material transported along the outer circumferential surface of the screw body flows in the passage of the extruder and then is guided to the transport part via an outlet provided in the screw body, the raw material contains a conductive filler and a thermoplastic elastomer.
    Type: Grant
    Filed: May 15, 2019
    Date of Patent: February 21, 2023
    Assignees: SHIBAURA MACHINE CO., LTD., HSP TECHNOLOGIES INC.
    Inventors: Takafumi Sameshima, Yoshio Iizuka, Kaho Osada, Hiroshi Shimizu
  • Publication number: 20220325455
    Abstract: A production method for a low molecular weight polymer suitable for a melt-blown non-woven fabric and a production device for melt-blown non-woven fabric, with which a high molecular weight polymer can be reduced in molecular weight by applying a shear force to the high molecular weight polymer without adding an additive. The low molecular weight polymer and the melt-blown non-woven fabric are produced using a continuous high shearing device that applies a shear force to the high molecular weight polymer serving as a raw material by rotation of a screw body to reduce the molecular weight of the high molecular weight polymer so as to obtain a low molecular weight polymer, and cools the low molecular weight polymer by passing the low molecular weight polymer through a passage arranged in the axial direction inside the screw body.
    Type: Application
    Filed: December 21, 2020
    Publication date: October 13, 2022
    Applicants: Shibaura Machine Co., Ltd., NATIONAL UNIVERSITY CORPORATION KANAZAWA UNIVERSITY
    Inventors: Yuya SASAI, Takafumi SAMESHIMA, Yoshio IIZUKA, Kaho OSADA, Kentaro TAKI
  • Publication number: 20220305704
    Abstract: Provided are a carbon fiber composite material having high strength and elasticity and containing recycled carbon fibers, and a method for producing same. When a raw material is transported along the outer circumferential surface of a screw main body 37 having a passage 88 therein, the transport of the raw material is restricted by a barrier portion 82 provided on the outer circumferential surface, a shearing force is applied to the raw material by the screw main body 37, and a stretching force is applied to the raw material by passing the raw material from the inlet 91 of the passage 88 provided on the outer circumferential surface to the outlet 92 of the passage 88, thereby obtaining a carbon fiber composite material having good strength and elasticity and containing 50-70 wt % of recycled carbon fibers well dispersed therein.
    Type: Application
    Filed: May 18, 2020
    Publication date: September 29, 2022
    Applicant: Shibaura Machine Co., Ltd.
    Inventors: Takafumi SAMESHIMA, Yoshio IIZUKA, Kaho OSADA
  • Patent number: 11437136
    Abstract: An image processing apparatus includes an acquisition unit configured to acquire a first medical image and a second medical image that are three-dimensional images obtained by imaging a subject, a determination unit configured to determine a first resolution based on a resolution of the first medical image and determine a second resolution based on a predetermined resolution, a first generation unit configured to generate a first subtraction image having the first resolution by performing a first subtraction process between the first and second medical images, and generate a second subtraction image having the second resolution by performing a second subtraction process between the first and second medical images, and a second generation unit configured to generate a projection image using the second subtraction image.
    Type: Grant
    Filed: June 19, 2020
    Date of Patent: September 6, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazuhiro Miyasa, Toru Tanaka, Kiyohide Satoh, Yoshio Iizuka
  • Patent number: 11200674
    Abstract: An image processing apparatus supports detection of pathological change over time in portion of a captured region commonly included in a first image and a second image, the first image and the second image acquired by capturing a subject at different respective times. The image processing apparatus includes an acquisition unit configured to acquire a subtraction image of the first image and the second image representing the pathological change over time as a difference and a recording unit configured to record information indicating said portion using a name different from a name of the commonly included region in a storage unit in association with the subtraction image.
    Type: Grant
    Filed: October 17, 2019
    Date of Patent: December 14, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Yutaka Emoto, Yoshio Iizuka, Masahiro Yakami, Mizuho Nishio
  • Publication number: 20210362374
    Abstract: A kneading method includes conveying a raw material along a conveyance path; and increasing the raw material in pressure by restricting a conveyer from conveying the raw material by a barrier, causing the raw material with an increased pressure to flow into a passage from an inlet located at the conveyer, circulating the raw material having flowed into the passage to an outlet in the same direction as the conveying direction of the conveyer, and causing the raw material having circulated in the passage to flow out from the outlet to the outer circumference of a screw body. The raw material includes a polypropylene-based resin composition containing polypropylene and olefin rubber.
    Type: Application
    Filed: March 25, 2019
    Publication date: November 25, 2021
    Inventors: Takafumi Sameshima, Yoshio Iizuka, Kaho Osada
  • Patent number: 11036352
    Abstract: The present invention has an objective to display information more suitable for searching for medical information. An information processing apparatus includes a display control unit configured to display, when a first medical information item included in a plurality of medical information items is associated with a second medical information item, an icon indicating that a medical information item related to the first medical information item is present, on a display unit in conjunction with a thumbnail of the first medical information item, wherein the display control unit performs, when the icon is selected, such control as to display a display information item indicating a relationship between the first medical information item and the second medical information item, on the display unit.
    Type: Grant
    Filed: June 1, 2018
    Date of Patent: June 15, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Toshimizu Yamane, Yoshio Iizuka, Gakuto Aoyama, Kazuhito Oka
  • Publication number: 20210019887
    Abstract: An information processing apparatus includes an acquisition unit, a determination unit, and an output unit. The acquisition unit acquires history information of image processing using a plurality of medical images. The determination unit determines, using the acquired history information, whether image processing using a first medical image and a second medical image selected by an operator as an image pair to be used in the image processing has already been performed. The output unit outputs a notification in accordance with a result of the determination.
    Type: Application
    Filed: October 7, 2020
    Publication date: January 21, 2021
    Inventors: Kazuhiro Miyasa, Yoshio Iizuka, Gakuto Aoyama
  • Publication number: 20200411166
    Abstract: An image processing apparatus includes an acquisition unit configured to acquire a first medical image and a second medical image that are three-dimensional images obtained by imaging a subject, a determination unit configured to determine a first resolution based on a resolution of the first medical image and determine a second resolution based on a predetermined resolution, a first generation unit configured to generate a first subtraction image having the first resolution by performing a first subtraction process between the first and second medical images, and generate a second subtraction image having the second resolution by performing a second subtraction process between the first and second medical images, and a second generation unit configured to generate a projection image using the second subtraction image.
    Type: Application
    Filed: June 19, 2020
    Publication date: December 31, 2020
    Inventors: Kazuhiro Miyasa, Toru Tanaka, Kiyohide Satoh, Yoshio Iizuka
  • Patent number: 10741277
    Abstract: An information processing apparatus acquires, for each of a plurality of three-dimensional images, information about a position where a two-dimensional image included in the three-dimensional image is present, identifies, based on an instruction about a position of a two-dimensional image to be displayed at a display unit, a three-dimensional image to be a target of the instruction, and identifies, based on information about the position specified by the instruction, and the information about the position where the two-dimensional image is present for each of the plurality of three-dimensional images, a two-dimensional image which is included in the identified three-dimensional image, and which is to be displayed at the display unit.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: August 11, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yoshio Iizuka, Yukari Nakashoji
  • Patent number: 10726344
    Abstract: A diagnosis support apparatus which supports diagnosis based on information associated with a diagnosis name in advance is provided. In the diagnosis support apparatus, an acquisition unit acquires the diagnosis name set by a user. A providing unit provides negative information for the diagnosis name set by the user based on the information. With the above arrangement, the diagnosis support apparatus selects and presents information influencing the diagnosis name expected by the user, thereby efficiently presenting information required by the user.
    Type: Grant
    Filed: July 11, 2017
    Date of Patent: July 28, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masami Kawagishi, Kiyohide Satoh, Yoshio Iizuka, Takeshi Kubo, Masahiro Yakami, Koji Fujimoto
  • Publication number: 20200134823
    Abstract: An image processing apparatus supports detection of pathological change over time in portion of a captured region commonly included in a first image and a second image, the first image and the second image acquired by capturing a subject at different respective times. The image processing apparatus includes an acquisition unit configured to acquire a subtraction image of the first image and the second image representing the pathological change over time as a difference and a recording unit configured to record information indicating said portion using a name different from a name of the commonly included region in a storage unit in association with the subtraction image.
    Type: Application
    Filed: October 17, 2019
    Publication date: April 30, 2020
    Inventors: Yutaka Emoto, Yoshio Iizuka, Masahiro Yakami, Mizuho Nishio
  • Patent number: 10499859
    Abstract: An image display apparatus includes a selection unit configured to select as a display image a second tomographic image in the case where a second acquisition unit successfully acquires the second tomographic image or in the case where a correspondence relationship between a first tomographic image and the second tomographic image satisfies a predetermined condition, or select a notification image in a case other than the above-described cases, and a display unit configured to display the first tomographic image and the display image selected by the selection unit in parallel or in a superimposed manner.
    Type: Grant
    Filed: August 21, 2017
    Date of Patent: December 10, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Yoshio Iizuka, Gakuto Aoyama, Ryo Ishikawa
  • Patent number: 10497118
    Abstract: A user had to manually select a cross-sectional image indicating features of a finding and a cross-sectional image displayed in a report, from a three-dimensional medical image. Provided is an image processing apparatus that includes: a unit configured to acquire a target finding of a medical image; a unit configured to calculate an image feature quantity of a type associated in advance with the target finding, for each of a plurality of cross-sectional images of the medical image; and a unit configured to identify a cross-sectional image from the plurality of cross-sectional images based on the calculated image feature quantity. Operation of selecting a cross-sectional image by a doctor can be omitted, and the burden can be reduced.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: December 3, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Yuta Nakano, Yoshio Iizuka, Kiyohide Satoh, Gakuto Aoyama
  • Publication number: 20190352472
    Abstract: In a production method for a conductive composite material for an extruder that continuously discharges a kneaded product produced by kneading a raw material using a screw, the screw has a the screw body, the raw material transported along an outer circumferential surface of the screw body receives increased pressure by a barrier part in a transport part and is introduced to a passage from an inlet, and while the kneaded product is continuously discharged, the raw material transported along the outer circumferential surface of the screw body flows in the passage of the extruder and then is guided to the transport part via an outlet provided in the screw body, the raw material contains a conductive filler and a thermoplastic elastomer.
    Type: Application
    Filed: May 15, 2019
    Publication date: November 21, 2019
    Applicants: TOSHIBA KIKAI KABUSHIKI KAISHA, HSP TECHNOLOGIES INC.
    Inventors: Takafumi SAMESHIMA, Yoshio IIZUKA, Kaho OSADA, Hiroshi SHIMIZU