Patents by Inventor Yoshiharu KANAI
Yoshiharu KANAI 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).
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Patent number: 11937362Abstract: A charged particle acceleration device, which eliminates the need for repeating alignment adjustment even in the case of repeating installation of the controllers, is provided, and a method for adjusting the same is provided. A charged particle acceleration device 10A includes: controllers 15,15a,15b,15c configured to control a beam trajectory 12 of charged particles that pass through a duct 11 to be inserted through the controllers 15; and a stage 20 that is supported by a frame 16 fixed to a base and reversibly moves the controllers 15 in a direction of intersecting the beam trajectory 12.Type: GrantFiled: September 10, 2021Date of Patent: March 19, 2024Assignees: TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION, TOSHIBA PLANT SYSTEMS & SERVICES CORPORATIONInventors: Kunihiko Kinugasa, Hiromasa Itou, Takeshi Takeuchi, Yoshiharu Kanai
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Patent number: 11583703Abstract: According to one embodiment, a particle beam therapy system comprising: a circular accelerator configured to accelerate charged particles; a beam transportation line configured to lead the charged particles accelerated by the circular accelerator to an irradiation room; a shielding wall that is disposed around a radiation controlled area and shields radiation to be generated from the circular accelerator and the beam transportation line, the radiation controlled area being an area where the circular accelerator and the beam transportation line are disposed; a specific portion that is provided at a position that separates the radiation controlled area from outside of the shielding wall and can form an additional opening portion of the irradiation room; and a blocking portion configured to close the specific portion and shield radiation passing through the specific portion.Type: GrantFiled: September 30, 2020Date of Patent: February 21, 2023Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Yoshifumi Nagamoto, Yoshiharu Kanai, Takashi Yazawa
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Publication number: 20210404580Abstract: A charged particle accelerator for which assembly work can be simplified is provided, and a method for building the same is provided. In a vacuum-duct joint-portion 10: a male screw 21 is engraved on an outer peripheral surface of a joint 11; a contact surface 25 to be brought into contact with an annular seal 12 is formed at the end of the inner peripheral surface 22 of the joint 11; a pressing surface 26 for pressing the annular seal 12 toward the contact surface 25 of the joint 11A is formed on the ring 15; an abutting surface 28 that abuts on the ring 15 is formed on the nut 16; and a female screw 27 to be screwed to the male screw 21 of the joint 11A is engraved on the inner peripheral surface of the nut 16.Type: ApplicationFiled: September 9, 2021Publication date: December 30, 2021Applicants: TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION, TOSHIBA PLANT SYSTEMS & SERVICES CORPORATIONInventors: Kunihiko KINUGASA, Hiromasa ITOU, Yujiro TAJIMA, Yoshiharu KANAI
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Publication number: 20210410267Abstract: A charged particle acceleration device, which eliminates the need for repeating alignment adjustment even in the case of repeating installation of the controllers, is provided, and a method for adjusting the same is provided. A charged particle acceleration device 10A includes: controllers 15,15a,15b,15c configured to control a beam trajectory 12 of charged particles that pass through a duct 11 to be inserted through the controllers 15; and a stage 20 that is supported by a frame 16 fixed to a base and reversibly moves the controllers 15 in a direction of intersecting the beam trajectory 12.Type: ApplicationFiled: September 10, 2021Publication date: December 30, 2021Applicants: TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION, TOSHIBA PLANT SYSTEMS & SERVICES CORPORATIONInventors: Kunihiko KINUGASA, Hiromasa ITOU, Takeshi TAKEUCHI, Yoshiharu KANAI
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Publication number: 20210008393Abstract: According to one embodiment, a particle beam therapy system comprising: a circular accelerator configured to accelerate charged particles; a beam transportation line configured to lead the charged particles accelerated by the circular accelerator to an irradiation room; a shielding wall that is disposed around a radiation controlled area and shields radiation to be generated from the circular accelerator and the beam transportation line, the radiation controlled area being an area where the circular accelerator and the beam transportation line are disposed; a specific portion that is provided at a position that separates the radiation controlled area from outside of the shielding wall and can form an additional opening portion of the irradiation room; and a blocking portion configured to close the specific portion and shield radiation passing through the specific portion.Type: ApplicationFiled: September 30, 2020Publication date: January 14, 2021Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Yoshifumi NAGAMOTO, Yoshiharu KANAI, Takashi YAZAWA
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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
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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
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Patent number: 8933415Abstract: One embodiment of a particle accelerator includes: a vacuum container with its inside evacuated to produce vacuum, the vacuum container being formed with a laser beam entrance window for allowing a laser beam to enter; a target arranged in the vacuum container so as to be irradiated with a laser beam to generate ions; and a condenser lens for focusing the laser beam onto the target. The condenser lens is arranged at the laser beam entrance window of the vacuum container, and takes a role of a vacuum bulkhead.Type: GrantFiled: February 7, 2014Date of Patent: January 13, 2015Assignee: Kabushiki Kaisha ToshibaInventors: Akiko Kakutani, Takayuki Sako, Kiyokazu Sato, Yoshiharu Kanai, Takeshi Yoshiyuki, Tsutomu Kurusu
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Publication number: 20140235918Abstract: One embodiment of a particle accelerator includes: a vacuum container with its inside evacuated to produce vacuum, the vacuum container being formed with a laser beam entrance window for allowing a laser beam to enter; a target arranged in the vacuum container so as to be irradiated with a laser beam to generate ions; and a condenser lens for focusing the laser beam onto the target. The condenser lens is arranged at the laser beam entrance window of the vacuum container, and takes a role of a vacuum bulkhead.Type: ApplicationFiled: February 7, 2014Publication date: August 21, 2014Applicant: Kabushiki Kaisha ToshibaInventors: Akiko KAKUTANI, Takayuki SAKO, Kiyokazu SATO, Yoshiharu KANAI, Takeshi YOSHIYUKI, Tsutomu KURUSU