Patents by Inventor Haruo MIYADERA

Haruo MIYADERA 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: 10614922
    Abstract: Techniques, systems, and devices are disclosed for non-invasive monitoring and imaging of nuclear fuel inside a nuclear reactor using muon detector arrays. In one aspect, these detector arrays are placed outside the reactor vessel or building for investigating the reactors without access to the cores, therefore the imaging process is non-invasive. In some implementation, these detector arrays measure both muon scattering and absorption to enable imaging and characterizing not only the very high-Z fuel materials, but also other materials in the reactor, thereby obtaining a more complete picture of reactor status. When applied to damaged reactors, the disclosed proposed techniques, systems, and devices, through the process of providing an image, can reveal the presence (or absence) of damage to fuel rod assemblies or puddles of molten fuel at the bottom of the containment vessel, thus providing crucial information to guide decisions about remedial actions.
    Type: Grant
    Filed: April 1, 2015
    Date of Patent: April 7, 2020
    Assignee: Decision Sciences International Corporation
    Inventors: Edward Casteel Milner, Konstantin N. Borozdin, Christopher L. Morris, Haruo Miyadera, John Oliver Perry
  • Patent number: 9720113
    Abstract: A muon tracker includes a drift tube detector having a plurality of drift tube arrays, a detection time-difference calculation circuit configured to calculate a detected time-difference between a plurality of time data detected at least two of the drift tubes, a time-difference information database that stores a relationship between a plurality of predetermined tracks of the muon passing the drift tube detector and a predetermined time-difference of possible detected time data to be detected at least two of the drift tubes where each of the plurality of predetermined tracks passes, a time-difference referring circuit configured to refer the detected time-difference calculated at the detection time-difference calculation circuit with the predetermined time-difference stored in the time-difference information database, and a muon track determining circuit configured to determine a muon track as the predetermined track of the muon corresponding to the predetermined time-difference that matches the best with the
    Type: Grant
    Filed: January 14, 2015
    Date of Patent: August 1, 2017
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Kohichi Nakayama, Haruo Miyadera, Kenichi Yoshioka, Tsukasa Sugita, Naoto Kume, Yuichiro Ban
  • Publication number: 20160377747
    Abstract: A muon tracker includes a drift tube detector having a plurality of drift tube arrays, a detection time-difference calculation circuit configured to calculate a detected time-difference between a plurality of time data detected at least two of the drift tubes, a time-difference information database that stores a relationship between a plurality of predetermined tracks of the muon passing the drift tube detector and a predetermined time-difference of possible detected time data to be detected at least two of the drift tubes where each of the plurality of predetermined tracks passes, a time-difference referring circuit configured to refer the detected time-difference calculated at the detection time-difference calculation circuit with the predetermined time-difference stored in the time-difference information database, and a muon track determining circuit configured to determine a muon track as the predetermined track of the muon corresponding to the predetermined time-difference that matches the best with the
    Type: Application
    Filed: January 14, 2015
    Publication date: December 29, 2016
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Kohichi NAKAYAMA, Haruo MIYADERA, Kenichi YOSHIOKA, Tsukasa SUGITA, Naoto KUME, Yuichiro BAN
  • Patent number: 9423361
    Abstract: An inner image generating apparatus includes a first receiver configured to receive an inlet track information and a first passage time of a muon, a second receiver configured to receive an outlet track information and a second passage time of the muon, a displacement calculator configured to calculate a track displacement of a track of the muon based on the inlet and outlet track information, a mean energy calculator configured to calculate a mean energy of the muon based on a time-difference between the first passage and the second passage time, a data integration circuit configured to integrate multiplied data multiplying the track displacement and the mean energy on a projected plane, and an image generating circuit configured to generate an inner image of the structure by identifying a position of matter at the projected plane based on an integrated multiplied data.
    Type: Grant
    Filed: January 14, 2015
    Date of Patent: August 23, 2016
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Tsukasa Sugita, Haruo Miyadera, Kenichi Yoshioka, Naoto Kume, Kohichi Nakayama, Yuichiro Ban, Yoshiji Karino, Kyouichi Fujita, Shigeru Odanaka
  • Publication number: 20150279489
    Abstract: Techniques, systems, and devices are disclosed for non-invasive monitoring and imaging of nuclear fuel inside a nuclear reactor using muon detector arrays. In one aspect, these detector arrays are placed outside the reactor vessel or building for investigating the reactors without access to the cores, therefore the imaging process is non-invasive. In some implementation, these detector arrays measure both muon scattering and absorption to enable imaging and characterizing not only the very high-Z fuel materials, but also other materials in the reactor, thereby obtaining a more complete picture of reactor status. When applied to damaged reactors, the disclosed proposed techniques, systems, and devices, through the process of providing an image, can reveal the presence (or absence) of damage to fuel rod assemblies or puddles of molten fuel at the bottom of the containment vessel, thus providing crucial information to guide decisions about remedial actions.
    Type: Application
    Filed: April 1, 2015
    Publication date: October 1, 2015
    Applicant: LOS ALAMOS NATIONAL SECURITY, LLC
    Inventors: Edward Casteel Milner, Konstantin N. Borozdin, Christopher L. Morris, Haruo Miyadera, John Oliver Perry
  • Publication number: 20150198542
    Abstract: An inner image generating apparatus includes a first receiver configured to receive an inlet track information and a first passage time of a muon, a second receiver configured to receive an outlet track information and a second passage time of the muon, a displacement calculator configured to calculate a track displacement of a track of the muon based on the inlet and outlet track information, a mean energy calculator configured to calculate a mean energy of the muon based on a time-difference between the first passage and the second passage time, a data integration circuit configured to integrate multiplied data multiplying the track displacement and the mean energy on a projected plane, and an image generating circuit configured to generate an inner image of the structure by identifying a position of matter at the projected plane based on an integrated multiplied data.
    Type: Application
    Filed: January 14, 2015
    Publication date: July 16, 2015
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Tsukasa SUGITA, Haruo MIYADERA, Kenichi YOSHIOKA, Naoto KUME, Kohichi NAKAYAMA, Yuichiro BAN, Yoshiji KARINO, Kyouichi FUJITA, Shigeru ODANAKA