Patents by Inventor Shigeki Takayama

Shigeki 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).

  • Publication number: 20240096534
    Abstract: According to one embodiment, a superconducting coil apparatus comprising at least one superconducting coil formed of a plurality of turns under a definition that one turn is a portion of a superconducting wire annularly wound for one round, wherein: the superconducting coil has a shape along an outer peripheral surface of a tubular structure having a tubular shape; each of the plurality of turns has a coil longitudinal portion extending along an axial direction of the tubular structure; arrangement form of the coil longitudinal portion is different between a main magnetic field generation region configured to generate a main magnetic field and a magnetic field correction region configured to generate a correction magnetic field.
    Type: Application
    Filed: July 14, 2023
    Publication date: March 21, 2024
    Applicants: TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION, National Institutes for Quantum Science and Technology
    Inventors: Shigeki TAKAYAMA, Tomofumi ORIKASA, Kota MIZUSHIMA, Yoshiyuki IWATA, Yasushi ABE, Tetsuya FUJIMOTO
  • Publication number: 20230360831
    Abstract: According to one embodiment, a superconducting coil apparatus comprising at least one superconducting coil formed of a plurality of turns under a definition that one turn is a portion of a superconducting wire annularly wound for one round, wherein: the superconducting coil has a shape along an outer peripheral surface of a tubular structure having a tubular shape; each of the plurality of turns has a coil longitudinal portion extending along an axial direction of the tubular structure and a coil end portion extending from the coil longitudinal portion along a circumferential direction of the tubular structure; and a boundary line indicating a border between the coil longitudinal portion and the coil end portion at each of the plurality of turns is inclined with respect to a reference line extending in the circumferential direction of the tubular structure in a side view of the tubular structure.
    Type: Application
    Filed: July 14, 2023
    Publication date: November 9, 2023
    Applicants: TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION, National Institutes for Quantum Science and Technology
    Inventors: Shigeki TAKAYAMA, Tomofumi ORIKASA, Kota MIZUSHIMA, Yoshiyuki IWATA, Yasushi ABE, Tetsuya FUJIMOTO
  • Publication number: 20230262869
    Abstract: According to one embodiment, a particle beam accelerator comprising: an injection unit configured to inject a particle beam; a guiding unit configured to guide the particle beam to a trajectory; an acceleration unit configured to accelerate the particle beam circulating on the trajectory; an emission unit configured to output the particle beam; a particle beam blocking unit configured to block the particle beam on the trajectory; a control unit configured to control the injection unit, the guiding unit, the acceleration unit, the emission unit, and the particle beam blocking unit, wherein: the guiding unit includes a superconducting electromagnet and a superconducting electromagnet interrupter configured to interrupt the superconducting electromagnet, the control unit is configured to change a starting sequence of the particle beam blocking unit and the superconducting electromagnet interrupter depending on at least an operating state of the emission unit, when an abnormality occurs in the superconducting ele
    Type: Application
    Filed: April 10, 2023
    Publication date: August 17, 2023
    Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
    Inventors: Shigeki TAKAYAMA, Shinya MATSUDA, Takayuki SAKO, Tomofumi ORIKASA
  • Publication number: 20230247753
    Abstract: According to one embodiment, a particle beam accelerator comprising: a guiding unit configured to guide a particle beam to a trajectory; an acceleration unit configured to accelerate the particle beam circulating on the trajectory; a particle beam blocking unit configured to block the particle beam on the trajectory; and a control unit configured to control the guiding unit, the acceleration unit, and the particle beam blocking unit, wherein: the guiding unit includes a superconducting electromagnet and a superconducting electromagnet interrupter configured to interrupt the superconducting electromagnet, and the control unit is configured to interrupt the superconducting electromagnet by activating the superconducting electromagnet interrupter after completion of blocking the particle beam by activating the particle beam blocking unit, when an abnormality occurs in the superconducting electromagnet.
    Type: Application
    Filed: April 6, 2023
    Publication date: August 3, 2023
    Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
    Inventors: Shigeki TAKAYAMA, Shinya MATSUDA, Takayuki SAKO, Tomofumi ORIKASA
  • Patent number: 11383105
    Abstract: A particle beam transport apparatus includes a vacuum duct, at least one magnet controller, and a scanning magnet. The vacuum duct is configured such that a particle beam advances through the vacuum duct. The magnet controller is disposed around a bent portion of the vacuum duct and is configured to control an advancing direction or shape of the particle beam. The scanning magnet is disposed on the downstream side of the magnet controller in the advancing direction and is configured to scan the particle beam by deflecting each bunch of the particle beam. The magnet controller includes a deflection magnet configured to deflect the advancing direction of the particle beam along the bent portion and a quadrupole magnet configured to converge the particle beam. The deflection magnet and the quadrupole magnet constitute a combined-function magnet arranged at the same point in the advancing direction.
    Type: Grant
    Filed: November 14, 2017
    Date of Patent: July 12, 2022
    Assignees: KABUSHIKI KAISHA TOSHIBA, Toshiba Energy Systems & Solutions Corporation
    Inventors: Shigeki Takayama, Tomofumi Orikasa, Yoshifumi Nagamoto, Takeshi Yoshiyuki
  • Patent number: 10886041
    Abstract: In a high-temperature superconducting conductor 10, a laminated body 15 is formed by laminating a high-temperature superconducting layer 14 on one side surface of a flexible and tape-shaped metal substrate 12 via an intermediate layer 13, and a plurality of thin film wires 11 are formed by providing a stabilization layer 17 around the laminated body 15 via a protective layer 16 and are arranged in a thickness direction. The plurality of thin film wires 11 are connected at both ends in a width direction to each other in a conductible state in a longitudinal direction by means of conductive coupling member 20, in such a manner that a thin film wire 11 disposed at an outermost side is positioned with a surface 18 on a side of the metal substrate 12 directed outward and a surface 19 of each of the plurality of thin film wires 11 facing the high-temperature superconducting layer 14 is held in a non-fixed state with respect to an opposing surface.
    Type: Grant
    Filed: September 16, 2016
    Date of Patent: January 5, 2021
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Taizo Tosaka, Hiroshi Miyazaki, Yasumi Ootani, Sadanori Iwai, Shigeki Takayama, Kenji Tasaki, Kei Koyanagi
  • Publication number: 20190255357
    Abstract: A particle beam transport apparatus includes a vacuum duct, at least one magnet controller, and a scanning magnet. The vacuum duct is configured such that a particle beam advances through the vacuum duct. The magnet controller is disposed around a bent portion of the vacuum duct and is configured to control an advancing direction or shape of the particle beam. The scanning magnet is disposed on the downstream side of the magnet controller in the advancing direction and is configured to scan the particle beam by deflecting each bunch of the particle beam. The magnet controller includes a deflection magnet configured to deflect the advancing direction of the particle beam along the bent portion and a quadrupole magnet configured to converge the particle beam. The deflection magnet and the quadrupole magnet constitute a combined-function magnet arranged at the same point in the advancing direction.
    Type: Application
    Filed: November 14, 2017
    Publication date: August 22, 2019
    Applicants: KABUSHIKI KAISHA TOSHIBA, Toshiba Energy Systems & Solutions Corporation
    Inventors: Shigeki TAKAYAMA, Tomofumi ORIKASA, Yoshifumi NAGAMOTO, Takeshi YOSHIYUKI
  • Patent number: 10300302
    Abstract: Provide a particle beam transport system that contribute to reduction of construction period and cost for a particle beam treatment facility including plural treatment rooms accommodating a particle-beam irradiation equipment. A particle beam transport system 10 includes: a main line 31 configured to transport a particle beam generated by an accelerator outward; a branch line 22 branching from the main line 31; irradiation equipments 30 (30a-30d) provided at respective ends of the branch line 22 and configured to irradiate a patient with the particle beam, wherein at least a part of the main line 31 and the branch line 22 is configured as plural segments 20; and beam characteristics of the particle beam of each of the plural segments 20 are substantially equal at both ends.
    Type: Grant
    Filed: July 7, 2016
    Date of Patent: May 28, 2019
    Assignees: KABUSHIKI KAISHA TOSHIBA, Toshiba Energy Systems & Solutions Corporation
    Inventors: Shigeki Takayama, Ikuo Watanabe, Yoshifumi Nagamoto, Takeshi Yoshiyuki, Takashi Yazawa
  • Patent number: 10256004
    Abstract: A particle-beam control electromagnet capable of shortening a transportation path of a particle beam and an irradiation treatment apparatus which contributes to miniaturization and weight reduction of the rotating gantry supporting this control electromagnet are provided. The electromagnet includes a first superconducting coil group, a second superconducting coil group, and a vacuum vessel. The first superconducting coil group forms at least one of a bending magnetic field and a focus/defocus magnetic field. The second superconducting coil group is placed around the trajectory of the particle beam at the end of the first superconducting coil group and forms correction magnetic fields for correcting the trajectory of the particle beam. The vacuum vessel hermetically houses the first superconducting coil group, the second superconducting coil group, and a cooling medium, and insulates from the outside air.
    Type: Grant
    Filed: June 17, 2016
    Date of Patent: April 9, 2019
    Assignees: KABUSHIKI KAISHA TOSHIBA, Toshiba Energy Systems & Solutions Corporation
    Inventors: Shigeki Takayama, Tomofumi Orikasa, Yoshifumi Nagamoto, Takeshi Yoshiyuki, Takashi Yazawa
  • Patent number: 10090132
    Abstract: A charged particle beam irradiation apparatus according to an embodiment includes: a first scanning electromagnet device configured to deflect a charged particle beam to a second direction that is substantially perpendicular to a first direction along which the charged particle beam enters, the first scanning electromagnet device having an aperture on an outlet side larger than that on an inlet side; and a second scanning electromagnet device configured to deflect the charged particle beam to a third direction that is substantially perpendicular to the first direction and the second direction, the second scanning electromagnet device having an aperture on an outlet side larger than that on an inlet side, the first scanning electromagnet device and the second scanning electromagnet device being disposed to be parallel with the first direction.
    Type: Grant
    Filed: April 26, 2017
    Date of Patent: October 2, 2018
    Assignees: NATIONAL INSTITUTES FOR QUANTUM AND RADIOLOGICAL SCIENCE AND TECHNOLOGY, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
    Inventors: Takuji Furukawa, Shigeki Takayama, Takashi Yazawa, Yoshiharu Kanai, Kosuke Sato, Tomofumi Orikasa, Kei Koyanagi
  • Patent number: 10049816
    Abstract: According to an embodiment, a superconducting coil production device for producing a non-coplanar three-dimensional superconducting coil by winding a tape-like superconducting wire includes: a coil bobbin; a supply reel to supply the superconducting wire to the coil bobbin; and an adjustment driving unit to adjust a position of the supply reel relative to a wrapping point so that a position of the wrapping point of the coil bobbin around which the superconducting wire being supplied from the supply reel is wrapped becomes equal to a position of the supply reel in a rotational axis direction of the supply reel.
    Type: Grant
    Filed: March 14, 2014
    Date of Patent: August 14, 2018
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Kei Koyanagi, Shigeki Takayama, Hiroshi Miyazaki, Kenji Tasaki, Taizo Tosaka, Yusuke Ishii
  • Publication number: 20180214715
    Abstract: Provide a particle beam transport system that contribute to reduction of construction period and cost for a particle beam treatment facility including plural treatment rooms accommodating a particle-beam irradiation equipment. A particle beam transport system 10 includes: a main line 31 configured to transport a particle beam generated by an accelerator outward; a branch line 22 branching from the main line 31; irradiation equipments 30(30a-30d) provided at respective ends of the branch line 22 and configured to irradiate a patient with the particle beam, wherein at least a part of the main line 31 and the branch line 22 is configured as plural segments 20; and beam characteristics of the particle beam of each of the plural segments 20 are substantially equal at both ends.
    Type: Application
    Filed: July 7, 2016
    Publication date: August 2, 2018
    Applicants: KABUSHIKI KAISHA TOSHIBA, Toshiba Energy Systems & Solutions Corporation
    Inventors: Shigeki TAKAYAMA, Ikuo WATANABE, Yoshifumi NAGAMOTO, Takeshi YOSHIYUKI, Takashi YAZAWA
  • Publication number: 20180166180
    Abstract: Provide a particle-beam control electromagnet capable of shortening a transportation path of a particle beam and provide an irradiation treatment apparatus which contributes to miniaturization and weight reduction of the rotating gantry supporting this control electromagnet. electromagnet 10 includes a first superconducting coil group 11, a second superconducting coil group 12, and a vacuum vessel 18, the first superconducting coil group 11 forms at least one of a bending magnetic field 15 and a focus/defocus magnetic field 16, the second superconducting coil group 12 is placed around the trajectory of the particle beam 14 at the end of the first superconducting coil group 11 and form correction magnetic fields 17 for correcting the trajectory of the particle beam 14, the vacuum vessel 18 hermetically houses the first superconducting coil group 11, the second superconducting coil group 12 and a cooling medium, and insulates from the outside air.
    Type: Application
    Filed: June 17, 2016
    Publication date: June 14, 2018
    Applicants: KABUSHIKI KAISHA TOSHIBA, Toshiba Energy Systems & Solutions Corporation
    Inventors: Shigeki TAKAYAMA, Tomofumi ORIKASA, Yoshifumi NAGAMOTO, Takeshi YOSHIYUKI, Takashi YAZAWA
  • Publication number: 20170229281
    Abstract: A charged particle beam irradiation apparatus according to an embodiment includes: a first scanning electromagnet device configured to deflect a charged particle beam to a second direction that is substantially perpendicular to a first direction along which the charged particle beam enters, the first scanning electromagnet device having an aperture on an outlet side larger than that on an inlet side; and a second scanning electromagnet device configured to deflect the charged particle beam to a third direction that is substantially perpendicular to the first direction and the second direction, the second scanning electromagnet device having an aperture on an outlet side larger than that on an inlet side, the first scanning electromagnet device and the second scanning electromagnet device being disposed to be parallel with the first direction.
    Type: Application
    Filed: April 26, 2017
    Publication date: August 10, 2017
    Applicants: NATIONAL INSTITUTES FOR QUANTUM AND RADIOLOGICAL SCIENCE AND TECHNOLOGY, KABUSHIKI KAISHA TOSHIBA
    Inventors: Takuji FURUKAWA, Shigeki TAKAYAMA, Takashi YAZAWA, Yoshiharu KANAI, Kosuke SATO, Tomofumi ORIKASA, Kei KOYANAGI
  • Patent number: 9697939
    Abstract: According to an embodiment, a superconductive coil device includes a non-coplanar three-dimensional superconductive saddle type coil including a wound superconductive wire. The superconductive saddle type coil includes: longitudinal portions extending along a longitudinal direction of a magnetic field generation area; crossing portions extending along an edge line of a cross section perpendicular to the longitudinal direction of the magnetic field generation area; and bent portions connecting the longitudinal portions and the crossing portions. The crossing portions are linear in shape when seen in the longitudinal direction.
    Type: Grant
    Filed: March 14, 2014
    Date of Patent: July 4, 2017
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Shigeki Takayama, Kei Koyanagi, Hiroshi Miyazaki, Kenji Tasaki, Taizo Tosaka, Yusuke Ishii
  • Patent number: 9691532
    Abstract: A connection structure of a multi-layer wire includes at least a substrate, a high-temperature superconducting layer, a tape-type laminated body, a conductor layer, and a passage forming body. The high-temperature superconducting layer is formed on one surface of the substrate. The tape-type laminated body including at least the substrate and the high-temperature superconducting layer. The conductor layer covering an outer periphery of the tape-type laminated body. The passage forming body serving as a flowing path of a superconducting current generated in the high-temperature superconducting wire piece. The passage forming body is bonded by a bonding material is arranged on a side surface of the conductor layer, the side surface being located on an opposite side to the high-temperature superconducting layer with respect to the substrate.
    Type: Grant
    Filed: February 12, 2016
    Date of Patent: June 27, 2017
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Taizo Tosaka, Hiroshi Miyazaki, Sadanori Iwai, Shigeki Takayama, Kei Koyanagi, Kenji Tasaki
  • Publication number: 20160240284
    Abstract: A connection structure of a multi-layer wire includes at least a substrate, a high-temperature superconducting layer, a tape-type laminated body, a conductor layer, and a passage forming body. The high-temperature superconducting layer is formed on one surface of the substrate. The tape-type laminated body including at least the substrate and the high-temperature superconducting layer. The conductor layer covering an outer periphery of the tape-type laminated body. The passage forming body serving as a flowing path of a superconducting current generated in the high-temperature superconducting wire piece. The passage forming body is bonded by a bonding material is arranged on a side surface of the conductor layer, the side surface being located on an opposite side to the high-temperature superconducting layer with respect to the substrate.
    Type: Application
    Filed: February 12, 2016
    Publication date: August 18, 2016
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Taizo TOSAKA, Hiroshi MIYAZAKI, Sadanori IWAI, Shigeki TAKAYAMA, Kei KOYANAGI, Kenji TASAKI
  • Publication number: 20160005538
    Abstract: According to an embodiment, a superconducting coil production device for producing a non-coplanar three-dimensional superconducting coil by winding a tape-like superconducting wire includes: a coil bobbin; a supply reel to supply the superconducting wire to the coil bobbin; and an adjustment driving unit to adjust a position of the supply reel relative to a wrapping point so that a position of the wrapping point of the coil bobbin around which the superconducting wire being supplied from the supply reel is wrapped becomes equal to a position of the supply reel in a rotational axis direction of the supply reel.
    Type: Application
    Filed: March 14, 2014
    Publication date: January 7, 2016
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Kei KOYANAGI, Shigeki TAKAYAMA, Hiroshi MIYAZAKI, Kenji TASAKI, Taizo TOSAKA, Yusuke ISHII
  • Publication number: 20150380138
    Abstract: According to an embodiment, a superconductive coil device includes a non-coplanar three-dimensional superconductive saddle type coil including a wound superconductive wire. The superconductive saddle type coil includes: longitudinal portions extending along a longitudinal direction of a magnetic field generation area; crossing portions extending along an edge line of a cross section perpendicular to the longitudinal direction of the magnetic field generation area; and bent portions connecting the longitudinal portions and the crossing portions. The crossing portions are linear in shape when seen in the longitudinal direction.
    Type: Application
    Filed: March 14, 2014
    Publication date: December 31, 2015
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Shigeki TAKAYAMA, Kei KOYANAGI, Hiroshi MIYAZAKI, Kenji TASAKI, Taizo TOSAKA, Yusuke ISHII
  • Patent number: 8071676
    Abstract: A primary modified polymer composed of (1) a hydrogenated polymer obtained by hydrogenating at least one non-hydrogenated polymer selected from the group consisting of polymers comprising conjugated diene monomer units and copolymers comprising conjugated diene monomer units and vinyl aromatic monomer units and (2) groups of a primary modifier having a functional group which are bonded to the polymer (1), which has a specific vinyl aromatic monomer unit content, a specific vinyl aromatic polymer block content, a specific weight-average molecular weight, and a specific degree of hydrogenation of the double bonds of conjugated diene monomer units; a secondary modified polymer obtained by reacting a primary modified polymer composed of (?) a base polymer and (?) groups of a primary modifier having a functional group which are bonded to the polymer (?) with a secondary modifier; and compositions comprising the primary or secondary modified polymer and at least one other component.
    Type: Grant
    Filed: December 22, 2008
    Date of Patent: December 6, 2011
    Assignee: Asahi Kasei Chemicals Corporation
    Inventors: Takaaki Matsuda, Shigeki Takayama, Toshinori Shiraki, Shigeo Nakajima, Yasuhiro Kusanose