Patents by Inventor Hiromitsu Takamori

Hiromitsu Takamori 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: 11185293
    Abstract: According to one embodiment, a medical image diagnostic apparatus includes a gantry, a couch, a movable base, a screen, a reflecting plate, and a support body. The gantry has a bore formed therein and performs medical imaging. The couch is configured to move the table top along the central axis of the bore. The movable base is provided independently of the table top so as to be movable along the central axis of the bore. The screen is provided on the movable base. An image from a projector is projected on the screen. The reflecting plate reflects the image projected on the screen. The support body is provided on the movable base and supports the reflecting plate.
    Type: Grant
    Filed: October 27, 2016
    Date of Patent: November 30, 2021
    Assignee: Canon Medical Systems Corporation
    Inventors: Yu Ueda, Hiromitsu Takamori, Takashi Sasaki, Aira Hotta, Takahiro Murata
  • Patent number: 10962612
    Abstract: A magnetic resonance imaging apparatus includes a high-frequency coil and a coil supporting unit. The high frequency coil is disposed inside a gradient coil and that generates a high-frequency magnetic field in a static magnetic field. The coil supporting unit is formed with a substantially cylindrical shape and that supports the high-frequency coil. The coil supporting unit has a certain range including a magnetic field center and formed in parallel with an axial direction. Both ends of the coil supporting unit each have an internal circumference greater than the internal circumference of the certain range.
    Type: Grant
    Filed: December 10, 2014
    Date of Patent: March 30, 2021
    Assignee: Toshiba Medical Systems Corporation
    Inventor: Hiromitsu Takamori
  • Patent number: 10656225
    Abstract: A magnetic resonance imaging apparatus according to an embodiment includes a static magnetic field magnet, a gradient coil, a space forming structure, a magnet supporting member, and a space forming structure supporter. The gradient coil is provided on an inner circumferential side of the static magnetic field magnet. The space forming structure forms a patient space on an inner circumferential side of the gradient coil. The magnet supporting member supports the static magnetic field magnet on a floor surface. The space forming structure supporter is attached to the magnet supporting member and supports the space forming structure.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: May 19, 2020
    Assignee: Canon Medical Systems Corporation
    Inventors: Hiromitsu Takamori, Shoji Ishizaki, Kaoru Ikeda
  • Patent number: 10459048
    Abstract: A magnetic resonance imaging apparatus according to an embodiment includes a gradient coil configured to generate a gradient magnetic field in an image taking space. The gradient coil includes: a first coil member formed by using a first metal that is non-magnetic; and a second coil member connected to the first coil member and formed by using a second metal that is different from the first metal and is non-magnetic.
    Type: Grant
    Filed: January 27, 2015
    Date of Patent: October 29, 2019
    Assignee: Canon Medical Systems Corporation
    Inventors: Tetsuya Kobayashi, Masatoshi Yamashita, Yoshitomo Sakakura, Hiromitsu Takamori
  • Patent number: 10126388
    Abstract: A gradient coil unit includes a tubular gradient coil and support structures. The tubular gradient coil is configured to apply a gradient magnetic field to an imaging region of magnetic resonance imaging. The support structures are fixed to plural positions of the gradient coil. The support structures are configured to hold the gradient coil on a tubular magnet by applying pressing forces on positions of an edge inside a wall forming the magnet. The pressing forces each has a component in a central axis direction of the magnet. Further, according to another embodiment, a magnetic resonance imaging apparatus includes the above mentioned gradient coil unit, a static field magnet and at least one radio frequency coil configured to perform magnetic resonance imaging of an object.
    Type: Grant
    Filed: July 31, 2015
    Date of Patent: November 13, 2018
    Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATION
    Inventors: Kota Watanabe, Hiromitsu Takamori, Yu Ueda
  • Patent number: 10120046
    Abstract: A magnetic resonance imaging apparatus according to an embodiment includes a magnetostatic field magnet, a gradient coil, and a bore tube. The magnetostatic field magnet is formed to have a cylindrical shape. The gradient coil is formed to have a cylindrical shape, on the inside of the magnetostatic field magnet. The bore tube is formed to have a cylindrical shape, on the inside of the gradient coil. A first space between the gradient coil and the bore tube is configured to be kept in a vacuum state while a second space between the gradient coil and the magnetostatic field magnet is configured to be kept in a state not being a vacuum.
    Type: Grant
    Filed: January 19, 2016
    Date of Patent: November 6, 2018
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Hiromitsu Takamori, Kota Watanabe
  • Patent number: 9989605
    Abstract: A magnetic resonance imaging apparatus includes: a magnetostatic field magnet formed in the shape of a substantially circular cylinder; a gradient coil formed in the shape of a substantially circular cylinder on the inside of the magnetostatic field magnet; a cylindrical part that is formed in the shape of a substantially circular cylinder on the inside of the gradient coil and includes at least one selected from a sound absorbing material layer and a sound blocking material layer; and a ring part that is substantially ring-shaped, covers the space formed between the magnetostatic field magnet and the cylindrical part on at least one end face of a magnet structure being formed in the shape of a substantially circular cylinder and including the magnetostatic field magnet, the gradient coil, and the cylindrical part, and includes at least one selected from an sound absorbing material layer and a sound blocking material layer.
    Type: Grant
    Filed: November 4, 2014
    Date of Patent: June 5, 2018
    Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATION
    Inventors: Yu Ueda, Hiromitsu Takamori
  • Patent number: 9952295
    Abstract: According to one embodiment, a medical image diagnostic apparatus includes a gantry and a screen. The gantry for medical imaging includes a bore. The screen is insertable into the bore. A predetermined image is projected by a projector on the screen. The screen forms a shape that enables light generated by the projector to arrive at an inner wall of the gantry.
    Type: Grant
    Filed: October 26, 2016
    Date of Patent: April 24, 2018
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Hiromitsu Takamori, Yu Ueda, Takashi Sasaki, Aira Hotta, Takahiro Murata
  • Patent number: 9939499
    Abstract: A magnetic resonance imaging apparatus according to an embodiment includes a static magnetic field magnet, a gradient coil, a bore tube and a sealed space forming unit. The gradient coil is formed to be approximately cylindrical, arranged in a cylinder of the static magnetic field magnet, and adds a gradient magnetic field to the static magnetic field. The bore tube is formed to be approximately cylindrical and arranged in the cylinder of the gradient coil. The sealed space forming unit forms a sealed space enclosing the gradient coil between an inner circumferential side of the static magnetic field magnet and an outer circumferential side of the bore tube. At least a part of at least one of the side ends of the gradient coil does not make contact with the sealed space.
    Type: Grant
    Filed: July 11, 2013
    Date of Patent: April 10, 2018
    Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATION
    Inventors: Ayumi Katsunuma, Masatoshi Yamashita, Hiromitsu Takamori, Kota Watanabe, Hiroto Asai
  • Patent number: 9936895
    Abstract: According to one embodiment, a magnetic resonance imaging apparatus includes a gantry and a movable bed. A magnet, a gradient coil, and a radio frequency coil are built in the gantry. The movable bed is configured to be positioned to the gantry by a positioning mechanism having different structures at different positions in a longitudinal direction of the bed.
    Type: Grant
    Filed: June 4, 2014
    Date of Patent: April 10, 2018
    Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATION
    Inventor: Hiromitsu Takamori
  • Patent number: 9931051
    Abstract: A magnetic resonance imaging apparatus according to the present embodiments comprises a gantry device, a front light source and an exterior casing of the gantry device. The gantry device has a bore serving as a space where a magnetic resonance image is captured, with the gantry device being configured to acquire, when a subject placed on a couchtop has been moved into the bore by a couch device configured to move the couchtop, a magnetic resonance signal from the subject. The front light source is provided in surroundings of a front opening, with the front opening being an opening of the bore positioned at front of the couch device. The exterior casing of the gantry device, with a portion of the exterior casing being illuminated by light emitted from the front light source, is made of a transparent or translucent material.
    Type: Grant
    Filed: May 30, 2014
    Date of Patent: April 3, 2018
    Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATION
    Inventors: Kota Watanabe, Hiromitsu Takamori
  • Publication number: 20180059196
    Abstract: A magnetic resonance imaging apparatus according to an embodiment includes a static magnetic field magnet, a gradient coil, a space forming structure, a magnet supporting member, and a space forming structure supporter. The gradient coil is provided on an inner circumferential side of the static magnetic field magnet. The space forming structure forms a patient space on an inner circumferential side of the gradient coil. The magnet supporting member supports the static magnetic field magnet on a floor surface. The space forming structure supporter is attached to the magnet supporting member and supports the space forming structure.
    Type: Application
    Filed: August 31, 2017
    Publication date: March 1, 2018
    Applicant: Toshiba Medical Systems Corporation
    Inventors: Hiromitsu Takamori, Shoji Ishizaki, Kaoru Ikeda
  • Patent number: 9885767
    Abstract: A magnetic resonance imaging apparatus includes: a magnetostatic field magnet that is formed in the shape of a cylinder and generates a magnetostatic field in a space inside the cylinder; a gradient coil that is formed in the shape of a cylinder, is disposed in the cylinder of the magnetostatic field magnet, and applies a gradient magnetic field to the magnetostatic field; a bore tube that is formed in the shape of a cylinder and is disposed in the cylinder of the gradient coil; and an elastic member that is loop-shaped and hollow, is disposed in at least one selected from: a space between an inner circumferential side of the magnetostatic field magnet and an outer circumferential side of the gradient coil; and a space between an inner circumferential side of the gradient coil and an outer circumferential side of the bore tube, and thereby seals the space hermetically.
    Type: Grant
    Filed: November 10, 2014
    Date of Patent: February 6, 2018
    Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATION
    Inventors: Kazuhiko Tsujita, Hiromitsu Takamori
  • Publication number: 20170168124
    Abstract: According to one embodiment, a medical image diagnostic apparatus includes an image providing apparatus and control circuitry. The image providing apparatus provides an image from an image source for a subject placed on a couch top via a reflecting plate which reflects the image or a display which displays the image. The control circuitry performs at least one of control of illumination provided in an examination room or a gantry and control of a camera which photographs the subject placed on the couch top, according to attachment and detachment of the image providing apparatus or positioning of the image providing apparatus with respect to the couch top.
    Type: Application
    Filed: December 8, 2016
    Publication date: June 15, 2017
    Applicant: Toshiba Medical Systems Corporation
    Inventors: Yu UEDA, Hiromitsu TAKAMORI
  • Publication number: 20170119320
    Abstract: According to one embodiment, a medical image diagnostic apparatus includes a gantry, a couch, a movable base, a screen, a reflecting plate, and a support body. The gantry has a bore formed therein and performs medical imaging. The couch is configured to move the table top along the central axis of the bore. The movable base is provided independently of the table top so as to be movable along the central axis of the bore. The screen is provided on the movable base. An image from a projector is projected on the screen. The reflecting plate reflects the image projected on the screen. The support body is provided on the movable base and supports the reflecting plate.
    Type: Application
    Filed: October 27, 2016
    Publication date: May 4, 2017
    Applicant: Toshiba Medical Systems Corporation
    Inventors: Yu UEDA, Hiromitsu Takamori, Takashi Sasaki, Aira Hotta, Takahiro Murata
  • Publication number: 20170123021
    Abstract: According to one embodiment, a medical image diagnostic apparatus includes a gantry and a screen. The gantry for medical imaging includes a bore. The screen is insertable into the bore. A predetermined image is projected by a projector on the screen. The screen forms a shape that enables light generated by the projector to arrive at an inner wall of the gantry.
    Type: Application
    Filed: October 26, 2016
    Publication date: May 4, 2017
    Applicant: Toshiba Medical Systems Corporation
    Inventors: Hiromitsu TAKAMORI, Yu Ueda, Takashi Sasaki, Aira Hotta, Takahiro Murata
  • Patent number: 9519038
    Abstract: According to one embodiment, an MRI apparatus (20) obtains a nuclear magnetic resonance signal from an RF coil device (100) which detects the nuclear magnetic resonance signal emitted from an object (P), and this MRI apparatus (20) includes a first radio communication unit (200), a second radio communication unit (300) and an image reconstruction unit (56). The first radio communication unit (200) obtains the nuclear magnetic resonance signal detected by the RF coil device (100), and wirelessly transmits the nuclear magnetic resonance signal in a digitized state via an induced electric field. The second radio communication unit (300) receives the nuclear magnetic resonance signal wirelessly transmitted from the first radio communication unit (200) via the induced electric field. The image reconstruction unit (56) reconstructs image data of the object (P) based on the nuclear magnetic resonance signal received by the second radio communication unit (300).
    Type: Grant
    Filed: July 18, 2013
    Date of Patent: December 13, 2016
    Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATION
    Inventors: Kazuya Okamoto, Hiromitsu Takamori, Yoshinori Hamamura
  • Publication number: 20160216349
    Abstract: A magnetic resonance imaging apparatus according to an embodiment includes a magnetostatic field magnet, a gradient coil, and a bore tube. The magnetostatic field magnet is formed to have a cylindrical shape. The gradient coil is formed to have a cylindrical shape, on the inside of the magnetostatic field magnet. The bore tube is formed to have a cylindrical shape, on the inside of the gradient coil. A first space between the gradient coil and the bore tube is configured to be kept in a vacuum state while a second space between the gradient coil and the magnetostatic field magnet is configured to be kept in a state not being a vacuum.
    Type: Application
    Filed: January 19, 2016
    Publication date: July 28, 2016
    Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems Corporation
    Inventors: Hiromitsu TAKAMORI, Kota WATANABE
  • Publication number: 20150338481
    Abstract: According to one embodiment, a gradient coil unit includes a tubular gradient coil and support structures. The tubular gradient coil is configured to apply a gradient magnetic field to an imaging region of magnetic resonance imaging. The support structures are fixed to plural positions of the gradient coil. The support structures are configured to hold the gradient coil on a tubular magnet by applying pressing forces on positions of an edge inside a wall forming the magnet. The pressing forces each has a component in a central axis direction of the magnet. Further, according to another embodiment, a magnetic resonance imaging apparatus includes the above mentioned gradient coil unit, a static field magnet and at least one radio frequency coil configured to perform magnetic resonance imaging of an object.
    Type: Application
    Filed: July 31, 2015
    Publication date: November 26, 2015
    Inventors: Kota WATANABE, Hiromitsu TAKAMORI, Yu UEDA
  • Publication number: 20150226818
    Abstract: A magnetic resonance imaging apparatus according to an embodiment includes a gradient coil configured to generate a gradient magnetic field in an image taking space. The gradient coil includes: a first coil member formed by using a first metal that is non-magnetic; and a second coil member connected to the first coil member and formed by using a second metal that is different from the first metal and is non-magnetic.
    Type: Application
    Filed: January 27, 2015
    Publication date: August 13, 2015
    Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems Corporation
    Inventors: Tetsuya KOBAYASHI, Masatoshi YAMASHITA, Yoshitomo SAKAKURA, Hiromitsu TAKAMORI