Patents Assigned to National Institutes for Quantum Science and Technology
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Publication number: 20250186009Abstract: According to an embodiment, a medical image processing device includes an image acquirer, a trajectory generator, and a selector. The image acquirer acquires a plurality of fluoroscopic images by imaging a patient. The trajectory generator recognizes a position of a part of interest shown in each of the plurality of fluoroscopic images and generates a trajectory of a state in which the part of interest has moved based on the recognized position of the part of interest. The selector selects a tracking method for tracking the part of interest based on the trajectory of the part of interest.Type: ApplicationFiled: February 12, 2025Publication date: June 12, 2025Applicants: Toshiba Energy Systems & Solutions Corporation, National Institutes for Quantum Science and TechnologyInventors: Kenta UMENE, Yukinobu SAKATA, Ryusuke HIRAI, Keiko OKAYA, Shinichiro MORI
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Patent number: 12251252Abstract: Provided is a radiation detector that can allow an operator to more accurately identify a position of a body tissue into which radionuclides have been taken. A radiation detector includes: a probe which has a radiation detection element housed therein and which is insertable into a body; a reporting part provided to the probe; and a control part configured to cause the reporting part to operate in accordance with a result of detection of radiation, the detection being made by the radiation detection element.Type: GrantFiled: June 3, 2021Date of Patent: March 18, 2025Assignee: National Institutes for Quantum Science and TechnologyInventors: Taiga Yamaya, Miwako Takahashi
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Publication number: 20250069730Abstract: A medical image processing device includes a first image acquirer, a second image acquirer, an area acquirer, an image similarity calculator, a cost calculator, and a registrator. The first image acquirer acquires a first image which is captured by imaging an internal body of a patient. The second image acquirer acquires a second image which is captured by imaging the internal body of the patient at a time point different from that of the first image. The area acquirer acquires two or more areas corresponding to the first image or the second image. The image similarity calculator calculates a similarity between the first image and the second image. The cost calculator calculates a cost based on a positional relationship between the areas. The registrator calculates a relative position of the first image with respect to the second image to increase the similarity and to decrease the cost.Type: ApplicationFiled: November 15, 2024Publication date: February 27, 2025Applicants: TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION, National Institutes for Quantum Science and TechnologyInventors: Ryusuke HIRAI, Keiko OKAYA, Shinichiro MORI
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Patent number: 12159668Abstract: A magneto-optical memory interface includes: a memory cell structure having multiple allocated magnetic recording cells, a selection means configured to select an individual or a predetermined number of the multiple allocated magnetic recording cells of the memory structure, and configured for an electronic signal to be applicable thereto; and a light irradiation part configured to irradiate the predetermined number of the multiple allocated magnetic memory cells with an optical signal, wherein each of the magnetic recording cells is a magnetic recording cell whose sensitivity to changes in a magnetization state thereof increases in response to an irradiation light from the light irradiation part, and each of the magnetic recording cells is a magnetic recording cell whose magnetization state changes in response to an applied electrical signal resulting from selection by the selection means and the irradiation light from the light irradiation part.Type: GrantFiled: September 30, 2020Date of Patent: December 3, 2024Assignees: Tohoku University, National Institutes for Quantum Science and TechnologyInventors: Shigemi Mizukami, Shunsuke Fukami, Junsaku Nitta, Satoshi Iihama, Yoshiro Hirayama, Seiji Sakai
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Publication number: 20240369917Abstract: A medical image processing device according to an embodiment has a first image acquirer, a second image acquirer, a shifter, and a display controller. The first image acquirer acquires a first three-dimensional fluoroscopic image that is a three-dimensional fluoroscopic image of a patient captured in a patient treatment planning stage. The second image acquirer acquires a second three-dimensional fluoroscopic image that is a three-dimensional fluoroscopic image of the patient captured in a patient treatment stage. The shifter adds a predetermined amount to a photographing center position of the second three-dimensional fluoroscopic image to shift a display center position of the second three-dimensional fluoroscopic image.Type: ApplicationFiled: July 15, 2024Publication date: November 7, 2024Applicants: TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION, National Institutes for Quantum Science and TechnologyInventors: Keiko OKAYA, Yasuhiro SOEKAWA, Yasushi ISEKI, Shinichiro MORI
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Patent number: 12135283Abstract: A control section as a tissue identification device includes: an absorbance ratio calculating section configured to calculate the ratio of an absorbance indicated by a transmitted portion of first inspection light transmitted through biological tissue to an absorbance indicated by a transmitted portion of second inspection light transmitted through the biological tissue; and an identification information generating section configured to generate identification information indicative of the type or state of the biological tissue by determining within which of a plurality of preset numerical ranges the ratio falls.Type: GrantFiled: April 26, 2019Date of Patent: November 5, 2024Assignees: National Institutes for Quantum Science and Technology, Light Touch Technology IncorporatedInventors: Koichi Yamakawa, Makoto Aoyama, Takamitsu Morioka, Tatsuhiko Imaoka, Kanade Ogawa
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Publication number: 20240362782Abstract: According to an embodiment, a medical image processing device includes a first image acquirer, a second image acquirer, a treatment error acquirer, a difference calculator, and a differential statistical quantity calculator. The first image acquirer acquires a first fluoroscopic image of a patient. The second image acquirer acquires a second fluoroscopic image photographed at a timing different from the first fluoroscopic image. The treatment error acquirer acquires a treatment error occurring when an alignment process is performed or a treatment error occurring in treatment. The difference calculator calculates a difference image between the second fluoroscopic image to which the virtual perturbation is applied at the position of the patient shown therein based on the treatment error and the first fluoroscopic image.Type: ApplicationFiled: July 11, 2024Publication date: October 31, 2024Applicants: Toshiba Energy Systems & Solutions Corporation, National Institutes for Quantum Science and TechnologyInventors: Ryusuke HIRAI, Yukinobu SAKATA, Akiyuki TANIZAWA, Kenta UMENE, Saori ASAKA, Keiko OKAYA, Shinichiro MORI
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Publication number: 20240362783Abstract: A medical image processing device according to an embodiment has a first image acquirer, a second image acquirer, a 3D-3D positioning executer, and a display controller. The first image acquirer acquires a first three-dimensional fluoroscopic image that is a three-dimensional fluoroscopic image of a patient. The second image acquirer acquires a second three-dimensional fluoroscopic image that is a three-dimensional fluoroscopic image of the patient. The 3D-3D positioning executer calculates a first shift amount between the first three-dimensional fluoroscopic image and the second three-dimensional fluoroscopic image. The display controller causes the display device to display a first DRR image generated from the second three-dimensional fluoroscopic image corrected based on the first shift amount, and a two-dimensional fluoroscopic image of the patient.Type: ApplicationFiled: July 11, 2024Publication date: October 31, 2024Applicants: TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION, National Institutes for Quantum Science and TechnologyInventors: Keiko OKAYA, Yasuhiro SOEKAWA, Yasushi ISEKI, Shinichiro MORI
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Patent number: 12101869Abstract: Disclosed a particle accelerator that accelerates a charged particle beam while circulating the charged particle beam as a circulating beam and outputs some of the circulating beam as an output beam, the particle accelerator including: a first deflection section and a second deflection sections each having a deflection electromagnet; a first straight section, a second straight section, and third straight section each not having the deflection electromagnet; and a control unit, wherein a preceding output deflector of the first straight section deflects some of the circulating beam toward an inner side of a circulating trajectory of the circulating beam to separate the some of the circulating beam as an output beam, wherein a succeeding output deflector of the third straight section deflects the output beam separated from the circulating beam by the preceding output deflector toward an outer side of the circulating trajectory of the circulating beam, and wherein the control unit controls at least the quadrupoleType: GrantFiled: January 29, 2021Date of Patent: September 24, 2024Assignee: National Institutes for Quantum Science and TechnologyInventors: Kota Mizushima, Toshiyuki Shirai
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Publication number: 20240279376Abstract: Objective of the present invention is to provide a resin composition having excellent alkaline resistance and a production method of this resin composition. Object of the present invention is to provide an electrochemical device that uses the above-described resin composition and allows improvement of an output power and durability.Type: ApplicationFiled: March 15, 2022Publication date: August 22, 2024Applicant: National Institutes for Quantum Science and TechnologyInventors: Kimio YOSHIMURA, Ahmed Mohamed Ahmed MAHMOUD, Hwan-Chul YU, Yue ZHAO, Akihiro HIROKI, Yasunari MAEKAWA
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Patent number: 12027814Abstract: Provided is a laser device in which: a laser medium doped with ytterbium emits light upon absorption of excitation light; the light emitted by the laser medium is amplified to obtain output light; and the output light is outputted in the form of a plurality of pulses. In the laser device, a spatial filter is disposed in the optical path of the light emitted by the laser medium or is disposed in the optical path of the output light outputted from an optical resonator, the spatial filter being configured to filter out a portion of the light or of the output light around the optical axis.Type: GrantFiled: August 31, 2022Date of Patent: July 2, 2024Assignee: National Institutes for Quantum Science and TechnologyInventors: Yutaka Akahane, Makoto Aoyama, Kanade Ogawa, Koichi Yamakawa
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Publication number: 20240150421Abstract: A novel interleukin-18 (IL-18) variant and a pharmaceutical composition using the same, which relates to a human IL-18 variant including (i) mutations of cysteine at positions 38, 68, 76, and 127 into serine and (ii) mutations of glutamic acid at position 6 and lysine at position 53 into alanine relative to an amino acid sequence of wild-type human IL-18, where the variant further includes (iii) at least one additional mutation, and a pharmaceutical composition containing the human IL-18 variant.Type: ApplicationFiled: February 9, 2022Publication date: May 9, 2024Applicants: NAGASAKI UNIVERSITY, Foundation for Biomedical Research and Innovation at Kobe, National Institutes for Quantum Science and TechnologyInventors: Yoshimasa TANAKA, Shun SAKURABA
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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
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Publication number: 20230368421Abstract: According to an embodiment, a radiation therapy device includes an acquirer, a projection position calculator, an element projection image generator, and an element projection image synthesizer. The acquirer acquires a condition of X-ray imaging in a treatment stage and a three-dimensional image of a patient imaged before the treatment stage. The projection position calculator calculates a projection position when each of pixels included in the three-dimensional image is projected onto a two-dimensional X-ray fluoroscopic image generated in the X-ray imaging on the basis of the condition of the X-ray imaging. The element projection image generator generates an element projection image for each pixel when each of the pixels included in the three-dimensional image is projected onto the X-ray fluoroscopic image. The element projection image synthesizer performs a synthesis process for the element projection image for each pixel on the basis of the projection position to generate a reconstructed image.Type: ApplicationFiled: July 12, 2023Publication date: November 16, 2023Applicants: Toshiba Energy Systems & Solutions Corporation, National Institutes for Quantum Science and TechnologyInventors: Yukinobu SAKATA, Kenta UMENE, Ryusuke HIRAI, Akiyuki TANIZAWA, Shinichiro MORI, Keiko OKAYA
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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
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Publication number: 20230347180Abstract: A medical image processing device includes a first image acquiring unit, a second image acquiring unit, a first likelihood distribution calculating unit, a trackability determining unit, and a tracking unit. The first image acquiring unit acquires first images which are transparent images of the patient. The second image acquiring unit acquires second images which are transparent images of the patient generated at a time different from that of the first images. The first likelihood distribution calculating unit calculates a first likelihood distribution indicating a distribution of likelihoods indicating a likeness to the object in the first images. The trackability determining unit determines whether the object is trackable on the basis of the first likelihood distribution. The tracking unit tracks the position of the object in the second images on the basis of the result of determination.Type: ApplicationFiled: July 10, 2023Publication date: November 2, 2023Applicants: Toshiba Energy Systems & Solutions Corporation, National Institutes for Quantum Science and TechnologyInventors: Ryusuke HIRAI, Yukinobu SAKATA, Akiyuki TANIZAWA, Keiko OKAYA, Shinichiro MORI
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Publication number: 20230303961Abstract: An object of the invention is to make it possible to provide a mechanism that applies an external stimulus and to measure structural and electromagnetic changes of a cell due to the external stimulus with high sensitivity by an NV center. There is provided an environment control mechanism configured to change a state of a sample by applying an external stimulus to the sample.Type: ApplicationFiled: March 7, 2023Publication date: September 28, 2023Applicants: Hitachi, Ltd., National Institutes for Quantum Science and TechnologyInventors: Masanari KOGUCHI, Takeshi NAKAYAMA, Ryuji IGARASHI, Kiichi KAMINAGA, Satoshi TSUKAMOTO
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Publication number: 20230149741Abstract: According to an embodiment, a medical image processing device includes a first image acquirer, a second image acquirer, a direction acquirer, and a movement amount calculator. The first image acquirer acquires a three-dimensional first image obtained by photographing the inside of a body of a patient. The second image acquirer acquires a three-dimensional second image of the inside of the body of the patient imaged at a timing different from that of the first image. The direction acquirer acquires information about an irradiation direction of radiation to the patient in a treatment room. The movement amount calculator outputs a movement amount signal indicating the amount of movement of the second image to be moved to align the position of the patient shown in the second image with the position of the patient shown in the first image based on the path of the radiation set in the first image and the information about the irradiation direction.Type: ApplicationFiled: January 13, 2023Publication date: May 18, 2023Applicants: Toshiba Energy Systems & Solutions Corporation, National Institutes for Quantum Science and TechnologyInventors: Ryusuke HIRAI, Yukinobu SAKATA, Akiyuki TANIZAWA, Shinichiro MORI, Keiko OKAYA
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Patent number: 11534119Abstract: An analysis apparatus according to an embodiment includes an extraction unit, a calculation unit, and an evaluation unit. The extraction unit extracts a detection value in a tumor region, a blood region, and a muscle region from a nuclear medicine image of a subject administered with a drug containing a radiolabeled anticancer drug that works by accumulating in a tumor. The calculation unit calculates a first comparison value that is a comparison result between the detection value in the blood region and the detection value in the tumor region, and a second comparison value that is a comparison result between the detection value in the muscle region and the detection value in the tumor region. The evaluation unit evaluates an accumulation of the drug in the tumor, based on the first comparison value and the second comparison value calculated by the calculation unit.Type: GrantFiled: October 27, 2020Date of Patent: December 27, 2022Assignees: CANON MEDICAL SYSTEMS CORPORATION, National Institutes for Quantum Science and Technology, General Incorporated Association The Japan-Multinational Trial OrganizationInventors: Shunsuke Fujiwara, Yasuo Sakurai, Ming-Rong Zhang, Lin Xie, Masayuki Fujinaga, Masayuki Hanyu, Cheng-Long Huang, Masakazu Fukushima, Hiromi Wada
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Patent number: 11482831Abstract: Provided is a laser device in which: a laser medium doped with ytterbium emits light upon absorption of excitation light; the light emitted by the laser medium is amplified to obtain output light; and the output light is outputted in the form of a plurality of pulses. In the laser device, a spatial filter is disposed in the optical path of the light emitted by the laser medium or is disposed in the optical path of the output light outputted from an optical resonator, the spatial filter being configured to filter out a portion of the light or of the output light around the optical axis.Type: GrantFiled: August 24, 2018Date of Patent: October 25, 2022Assignee: National Institutes for Quantum Science and TechnologyInventors: Yutaka Akahane, Makoto Aoyama, Kanade Ogawa, Koichi Yamakawa