Patents by Inventor Tomofumi ORIKASA
Tomofumi ORIKASA 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: 20240096534Abstract: 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: ApplicationFiled: July 14, 2023Publication date: March 21, 2024Applicants: TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION, National Institutes for Quantum Science and TechnologyInventors: Shigeki TAKAYAMA, Tomofumi ORIKASA, Kota MIZUSHIMA, Yoshiyuki IWATA, Yasushi ABE, Tetsuya FUJIMOTO
-
Publication number: 20230360831Abstract: 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: ApplicationFiled: July 14, 2023Publication date: November 9, 2023Applicants: TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION, National Institutes for Quantum Science and TechnologyInventors: Shigeki TAKAYAMA, Tomofumi ORIKASA, Kota MIZUSHIMA, Yoshiyuki IWATA, Yasushi ABE, Tetsuya FUJIMOTO
-
Publication number: 20230262869Abstract: 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 eleType: ApplicationFiled: April 10, 2023Publication date: August 17, 2023Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Shigeki TAKAYAMA, Shinya MATSUDA, Takayuki SAKO, Tomofumi ORIKASA
-
Publication number: 20230247753Abstract: 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: ApplicationFiled: April 6, 2023Publication date: August 3, 2023Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Shigeki TAKAYAMA, Shinya MATSUDA, Takayuki SAKO, Tomofumi ORIKASA
-
Patent number: 11383105Abstract: 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: GrantFiled: November 14, 2017Date of Patent: July 12, 2022Assignees: KABUSHIKI KAISHA TOSHIBA, Toshiba Energy Systems & Solutions CorporationInventors: Shigeki Takayama, Tomofumi Orikasa, Yoshifumi Nagamoto, Takeshi Yoshiyuki
-
Patent number: 11359843Abstract: According to one embodiment, there is provided a refrigeration system including detectors, each of which detects a phase indicative of a displacement of a displacer of each of cryogenic refrigerators; a processor that calculates an operation frequency of a motor of each of the cryogenic refrigerators, which is a frequency that suppresses oscillations or noises generated by reciprocating motions of the displacer of each of the cryogenic refrigerators, based on a detection result obtained by each of the detectors; and drivers, each of which drives the motor of each of the cryogenic refrigerators based on a calculation result obtained by the processor.Type: GrantFiled: February 27, 2018Date of Patent: June 14, 2022Assignees: KABUSHIKI KAISHA TOSHIBA, Toshiba Energy Systems & Solutions CorporationInventors: Hayato Nezuka, Shohei Takami, Tomofumi Orikasa
-
Publication number: 20220148790Abstract: According to an embodiment, a scanning coil includes a bobbin, a conducting wire, and a resin for fixing the conducting wire. The bobbin includes a main body having a truncated conical cylindrical outer shape in an integrated or assembled state and made of an electrically insulating material, a wire-laying path which is formed in the main body and in which a conducting wire is installed, and a plurality of holding parts formed along the wire-laying path on an inner peripheral surface side of the main body and with axial intervals therebetween.Type: ApplicationFiled: January 21, 2022Publication date: May 12, 2022Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Gen KOMIYA, Toshiyuki NAKANO, Tomofumi ORIKASA, Toshiro FUJII, Hiroko ONODA
-
Publication number: 20210183559Abstract: The present invention improves cooling efficiency of a conductive member, which is formed by bundling a plurality of wires and to which electric current is led from a current introduction terminal. A current introduction terminal structure 10, in which electric current is led from a current introduction terminal 12 to a conductive member 13 formed by bundling a plurality of wires 34, is configured in such a manner that the conductive member 13 and the current introduction terminal 12 electrically connected to this conductive member 13 are disposed in a casing 14 for storing cooling water W and are immersed in the cooling water W.Type: ApplicationFiled: March 1, 2021Publication date: June 17, 2021Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Kazuya SAWADA, Kunihiko KINUGASA, Tomofumi ORIKASA, Takayuki KOBAYASHI
-
Patent number: 10881881Abstract: A rotary irradiation apparatus of an embodiment comprises: a rotating gantry; a superconducting electromagnet being installed in the rotating gantry and forming at least one of a deflecting magnetic field that deflects a trajectory of a charged particle beam and a convergent magnetic field that converges the charged particle beam to guide the charged particle beam to an object to be irradiated; a rotating gantry drive unit that drives/rotates the rotating gantry; and a control device that controls the rotating gantry drive unit to rotate and stop the rotating gantry, while the superconducting electromagnet is being excited and the charged particle beam is not irradiated.Type: GrantFiled: September 12, 2019Date of Patent: January 5, 2021Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Tomoyuki Nonaka, Shinya Matsuda, Tomofumi Orikasa
-
Publication number: 20200001119Abstract: A rotary irradiation apparatus of an embodiment comprises: a rotating gantry; a superconducting electromagnet being installed in the rotating gantry and forming at least one of a deflecting magnetic field that deflects a trajectory of a charged particle beam and a convergent magnetic field that converges the charged particle beam to guide the charged particle beam to an object to be irradiated; a rotating gantry drive unit that drives/rotates the rotating gantry; and a control device that controls the rotating gantry drive unit to rotate and stop the rotating gantry, while the superconducting electromagnet is being excited and the charged particle beam is not irradiated.Type: ApplicationFiled: September 12, 2019Publication date: January 2, 2020Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Tomoyuki NONAKA, Shinya MATSUDA, Tomofumi ORIKASA
-
Publication number: 20190255357Abstract: 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: ApplicationFiled: November 14, 2017Publication date: August 22, 2019Applicants: KABUSHIKI KAISHA TOSHIBA, Toshiba Energy Systems & Solutions CorporationInventors: Shigeki TAKAYAMA, Tomofumi ORIKASA, Yoshifumi NAGAMOTO, Takeshi YOSHIYUKI
-
Patent number: 10256004Abstract: 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: GrantFiled: June 17, 2016Date of Patent: April 9, 2019Assignees: KABUSHIKI KAISHA TOSHIBA, Toshiba Energy Systems & Solutions CorporationInventors: Shigeki Takayama, Tomofumi Orikasa, Yoshifumi Nagamoto, Takeshi Yoshiyuki, Takashi Yazawa
-
Patent number: 10090132Abstract: 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: GrantFiled: April 26, 2017Date of Patent: October 2, 2018Assignees: NATIONAL INSTITUTES FOR QUANTUM AND RADIOLOGICAL SCIENCE AND TECHNOLOGY, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Takuji Furukawa, Shigeki Takayama, Takashi Yazawa, Yoshiharu Kanai, Kosuke Sato, Tomofumi Orikasa, Kei Koyanagi
-
Publication number: 20180216853Abstract: According to one embodiment, there is provided a refrigeration system including detectors, each of which detects a phase indicative of a displacement of a displacer of each of cryogenic refrigerators; a processor that calculates an operation frequency of a motor of each of the cryogenic refrigerators, which is a frequency that suppresses oscillations or noises generated by reciprocating motions of the displacer of each of the cryogenic refrigerators, based on a detection result obtained by each of the detectors; and drivers, each of which drives the motor of each of the cryogenic refrigerators based on a calculation result obtained by the processor.Type: ApplicationFiled: February 27, 2018Publication date: August 2, 2018Applicants: KABUSHIKI KAISHA TOSHIBA, Toshiba Energy Systems & Solutions CorporationInventors: Hayato Nezuka, Shohei Takami, Tomofumi Orikasa
-
Publication number: 20180166180Abstract: 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: ApplicationFiled: June 17, 2016Publication date: June 14, 2018Applicants: KABUSHIKI KAISHA TOSHIBA, Toshiba Energy Systems & Solutions CorporationInventors: Shigeki TAKAYAMA, Tomofumi ORIKASA, Yoshifumi NAGAMOTO, Takeshi YOSHIYUKI, Takashi YAZAWA
-
Publication number: 20170229281Abstract: 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: ApplicationFiled: April 26, 2017Publication date: August 10, 2017Applicants: NATIONAL INSTITUTES FOR QUANTUM AND RADIOLOGICAL SCIENCE AND TECHNOLOGY, KABUSHIKI KAISHA TOSHIBAInventors: Takuji FURUKAWA, Shigeki TAKAYAMA, Takashi YAZAWA, Yoshiharu KANAI, Kosuke SATO, Tomofumi ORIKASA, Kei KOYANAGI