Patents by Inventor Masahiko Yamazaki
Masahiko Yamazaki 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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Publication number: 20240102614Abstract: Provided is a liquid tank, including: a cylindrical seamless tank body having both end portions being reduced in diameter toward respective end sides; and a plurality of annular baffles provided inside the tank body and arranged at intervals in an axial direction of the tank body, in which at least one of the plurality of baffles is held on an inner peripheral surface of the tank body.Type: ApplicationFiled: November 29, 2023Publication date: March 28, 2024Applicants: IHI Corporation, MJOLNIR SPACEWORKS Co., Ltd.Inventors: Yoshiki SAKAGUCHI, Masahiko YAMAZAKI, Shinichi MISHIMA, Thibault BAGNOL, Mitsunori ITOH, Tor VISCOR
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Publication number: 20240072172Abstract: When a semiconductor device including a transistor in which a gate electrode layer, a gate insulating film, and an oxide semiconductor film are stacked and a source and drain electrode layers are provided in contact with the oxide semiconductor film is manufactured, after the formation of the gate electrode layer or the source and drain electrode layers by an etching step, a step of removing a residue remaining by the etching step and existing on a surface of the gate electrode layer or a surface of the oxide semiconductor film and in the vicinity of the surface is performed. The surface density of the residue on the surface of the oxide semiconductor film or the gate electrode layer can be 1×1013 atoms/cm2 or lower.Type: ApplicationFiled: November 2, 2023Publication date: February 29, 2024Inventors: Shunpei YAMAZAKI, Masahiko HAYAKAWA, Tatsuya HONDA
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Patent number: 11033245Abstract: In one embodiment, an X-ray CT apparatus includes: an X-ray detector equipped with a plurality of detection elements each of which is configured to output an X-ray signal in accordance with X-rays passing through an object; and a scan controller configured to acquire X-ray signals in each of a first mode and a second mode in one scan by switching between the first mode and the second mode, the first mode being a mode of acquiring high-resolution data which are respective X-ray signals outputted from the plurality of detection elements, the second mode being a mode of acquiring normal-resolution data in which X-ray signals outputted from some of the plurality of detection elements are integrated.Type: GrantFiled: May 8, 2017Date of Patent: June 15, 2021Assignee: Canon Medical Systems CorporationInventors: Yoji Kudo, Masahiko Yamazaki, Takashi Kanemaru, Shuya Nambu, Machiko Iso
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Patent number: 10722196Abstract: A radiographic diagnosis apparatus according to a present embodiment includes: an X-ray source configured to generate an X-ray; an X-ray detector configured to detect the X-ray and to generate an electric signal according to the X-ray; and a collimator provided on an X-ray incident side of the X-ray detector and the collimator including an absorption wall configured to absorb a scattered X-ray. The absorption wall includes absorption portions arranged along an incident direction of the X-ray. The absorption portions are arranged at unequal intervals along the incident direction.Type: GrantFiled: October 1, 2018Date of Patent: July 28, 2020Assignee: CANON MEDICAL SYSTEMS CORPORATIONInventor: Masahiko Yamazaki
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Patent number: 10588593Abstract: According to one embodiment, an X-ray CT apparatus includes a fixed part, a rotating part, a detector, an A/D converter, a data transmitter, and a wireless transceiver. The rotating part is configured to be rotatably attached to the fixed part to rotate around a subject. The detector is arranged in the rotating part, and detects X-rays emitted from an irradiator and generates an analog signal. The A/D converter is arranged in the rotating part, and converts the analog signal to a digital signal. The data transmitter is arranged in the rotating part, and, upon receipt of the digital signal from the A/D converter, transmits the digital signal to a data receiver arranged in the fixed part. The wireless transceiver wirelessly transmits and receives signals in at least a part between the detector and the A/D converter or between the A/D converter and the data transmitter.Type: GrantFiled: November 16, 2015Date of Patent: March 17, 2020Assignee: Canon Medical Systems CorporationInventor: Masahiko Yamazaki
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Patent number: 10552940Abstract: A medical image diagnostic apparatus includes an acquisition circuitry configured to acquire data concerning the interior of an object, a reconstruction circuitry configured to reconstruct the first image concerning the object based on the acquired data, a display, and an enlargement reconstruction circuitry configured to enlarge/reconstruct the second image corresponding to the set enlargement reconstruction range based on a portion of the acquired data, with the second image being displayed in a display area of the display in place of a portion of the first image under the control of the display control circuitry.Type: GrantFiled: June 12, 2015Date of Patent: February 4, 2020Assignee: Canon Medical Systems CorporationInventors: Masahiko Yamazaki, Koichi Sato, Takashi Kurihara, Yuki Kato, Takahito Watanabe
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Publication number: 20190099139Abstract: A radiographic diagnosis apparatus according to a present embodiment includes: an X-ray source configured to generate an X-ray; an X-ray detector configured to detect the X-ray and to generate an electric signal according to the X-ray; and a collimator provided on an X-ray incident side of the X-ray source and the collimator including an absorption wall configured to absorb a scattered X-ray. The absorption wall includes absorption portions arranged along an incident direction of the X-ray. The absorption portions are arranged at unequal intervals along the incident direction.Type: ApplicationFiled: October 1, 2018Publication date: April 4, 2019Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventor: Masahiko YAMAZAKI
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Patent number: 9968323Abstract: An X-ray computed tomography apparatus according to an embodiment includes an X-ray detector, a data-acquisition module and a reconstruction module. In the X-ray detector, a plurality of X-ray detection elements are arranged in a channel direction and a column direction. The data-acquisition module includes a plurality of data-acquisition circuits and a plurality of output modules. A plurality of systems of at least the data-acquisition circuits among the X-ray detection elements and the data-acquisition circuits are disposed in parallel per element of the X-ray detection elements in a center vicinity. Each of the output modules outputs digital data obtained via the data-acquisition circuits. The reconstruction module reconstructs a medical image, based on the output digital data.Type: GrantFiled: April 30, 2015Date of Patent: May 15, 2018Assignee: Toshiba Medical Systems CorporationInventor: Masahiko Yamazaki
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Publication number: 20170332990Abstract: In one embodiment, an X-ray CT apparatus includes: an X-ray detector equipped with a plurality of detection elements each of which is configured to output an X-ray signal in accordance with X-rays passing through an object; and a scan controller configured to acquire X-ray signals in each of a first mode and a second mode in one scan by switching between the first mode and the second mode, the first mode being a mode of acquiring high-resolution data which are respective X-ray signals outputted from the plurality of detection elements, the second mode being a mode of acquiring normal-resolution data in which X-ray signals outputted from some of the plurality of detection elements are integrated.Type: ApplicationFiled: May 8, 2017Publication date: November 23, 2017Applicant: TOSHIBA MEDICAL SYSTEMS CORPORATIONInventors: Yoji KUDO, Masahiko YAMAZAKI, Takashi KANEMARU, Shuya NAMBU, Machiko ISO
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Patent number: 9810793Abstract: According to one embodiment, a data detection system for an X-ray CT apparatus includes a data acquisition circuit and a connection structure. The data acquisition circuit includes at least one row of X-ray detection elements arrayed in a channel direction. The data acquisition circuit is configured to acquire data required for generating X-ray CT image data corresponding to the at least one row of the X-ray detection elements. The connection structure is configured to connect the data acquisition circuit with another data acquisition circuit directly or indirectly in a row direction.Type: GrantFiled: May 22, 2015Date of Patent: November 7, 2017Assignee: Toshiba Medical Systems CorporationInventor: Masahiko Yamazaki
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Patent number: 9651500Abstract: A light emission part projects a laser light toward an edge portion of a formation. The laser light extends in a direction intersecting a conveyance direction of a forming belt. A light receiving part is opposed to the light emission part and located on the opposite side of the formation. The laser light passes through an area above an upper surface of the formation at least partially and is partially blocked by rising of the edge portion of the formation. A control device determines occurrence of the glue-joint failure on the basis of whether the quantity of light received by the light receiving part is reduced by at least a predetermined value or a predetermined rate, and provides or gives a visual display or a warning of the occurrence of glue-joint failure.Type: GrantFiled: May 23, 2014Date of Patent: May 16, 2017Assignee: YOSHINO GYPSUM CO., LTD.Inventor: Masahiko Yamazaki
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Patent number: 9480446Abstract: An X-ray detection submodule, comprising: a substrate; a photodiode mounted on the substrate; an X-ray detection element configured to detect an X-ray and convert the X-ray into light; and a light waveguide provided between the photodiode and the X-ray detection element, wherein the light waveguide connects the X-ray detection element with the photodiode such that the substrate is inclinedly disposed with respect to an X-ray detection surface of the X-ray detection element.Type: GrantFiled: April 25, 2014Date of Patent: November 1, 2016Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATIONInventors: Atsushi Hashimoto, Akira Nishijima, Shuya Nambu, Yoji Kudo, Masahiko Yamazaki, Tomonori Asada
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Publication number: 20160123895Abstract: A light emission part projects a laser light toward an edge portion of a formation. The laser light extends in a direction intersecting a conveyance direction of a forming belt. A light receiving part is opposed to the light emission part and located on the opposite side of the formation. The laser light passes through an area above an upper surface of the formation at least partially and is partially blocked by rising of the edge portion of the formation. A control device determines occurrence of the glue-joint failure on the basis of whether the quantity of light received by the light receiving part is reduced by at least a predetermined value or a predetermined rate, and provides or gives a visual display or a warning of the occurrence of glue-joint failure.Type: ApplicationFiled: May 23, 2014Publication date: May 5, 2016Applicant: YOSHINO GYPSUM CO., LTD.Inventor: Masahiko YAMAZAKI
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Publication number: 20160066876Abstract: According to one embodiment, an X-ray CT apparatus includes a fixed part, a rotating part, a detector, an A/D converter, a data transmitter, and a wireless transceiver. The rotating part is configured to be rotatably attached to the fixed part to rotate around a subject. The detector is arranged in the rotating part, and detects X-rays emitted from an irradiator and generates an analog signal. The A/D converter is arranged in the rotating part, and converts the analog signal to a digital signal. The data transmitter is arranged in the rotating part, and, upon receipt of the digital signal from the A/D converter, transmits the digital signal to a data receiver arranged in the fixed part. The wireless transceiver wirelessly transmits and receives signals in at least a part between the detector and the A/D converter or between the A/D converter and the data transmitter.Type: ApplicationFiled: November 16, 2015Publication date: March 10, 2016Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventor: Masahiko YAMAZAKI
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Publication number: 20150278993Abstract: A medical image diagnostic apparatus includes an acquisition circuitry configured to acquire data concerning the interior of an object, a reconstruction circuitry configured to reconstruct the first image concerning the object based on the acquired data, a display, and an enlargement reconstruction circuitry configured to enlarge/reconstruct the second image corresponding to the set enlargement reconstruction range based on a portion of the acquired data, with the second image being displayed in a display area of the display in place of a portion of the first image under the control of the display control circuitry.Type: ApplicationFiled: June 12, 2015Publication date: October 1, 2015Applicants: KABUSHIKI KAISHA TOSHIBA, Toshiba Medical Systems CorporationInventors: Masahiko YAMAZAKI, Koichi Sato, Takashi Kurihara, Yuki Kato, Takahito Watanabe
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Publication number: 20150269752Abstract: The X-ray CT apparatus includes an X-ray tube, an X-ray detector, a rotation unit, a data generation unit, an image generation unit and a setting unit. The data generation unit generates data used in reconstruction processing of a CT image on a basis of an output of the X-ray detector. The image generation unit performs reconstruction processing of the CT image, the reconstruction processing using the data and a parameter value relating to at least one of an FDD and an FCD. The setting unit sets the parameter value used in the reconstruction processing using the data generated when the X-ray is emitted to the object, the parameter value being set based on CT values of a plurality of CT images obtained by a plurality of parameter values used in the reconstruction processing using the data generated when the X-ray is emitted to a phantom.Type: ApplicationFiled: March 3, 2015Publication date: September 24, 2015Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA MEDICAL SYSTEMS CORPORATIONInventor: Masahiko YAMAZAKI
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Publication number: 20150253435Abstract: According to one embodiment, a data detection system for an X-ray CT apparatus includes a data acquisition circuit and a connection structure. The data acquisition circuit includes at least one row of X-ray detection elements arrayed in a channel direction. The data acquisition circuit is configured to acquire data required for generating X-ray CT image data corresponding to the at least one row of the X-ray detection elements. The connection structure is configured to connect the data acquisition circuit with another data acquisition circuit directly or indirectly in a row direction.Type: ApplicationFiled: May 22, 2015Publication date: September 10, 2015Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventor: Masahiko YAMAZAKI
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Publication number: 20150230772Abstract: An X-ray computed tomography apparatus according to an embodiment includes an X-ray detector, a data-acquisition module and a reconstruction module. In the X-ray detector, a plurality of X-ray detection elements are arranged in a channel direction and a column direction. The data-acquisition module includes a plurality of data-acquisition circuits and a plurality of output modules. A plurality of systems of at least the data-acquisition circuits among the X-ray detection elements and the data-acquisition circuits are disposed in parallel per element of the X-ray detection elements in a center vicinity. Each of the output modules outputs digital data obtained via the data-acquisition circuits. The reconstruction module reconstructs a medical image, based on the output digital data.Type: ApplicationFiled: April 30, 2015Publication date: August 20, 2015Applicants: KABUSHIKI KAISHA TOSHIBA, Toshiba Medical Systems CorporationInventor: Masahiko YAMAZAKI
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Publication number: 20140233690Abstract: An X-ray detection submodule, comprising: a substrate; a photodiode mounted on the substrate; an X-ray detection element configured to detect an X-ray and convert the X-ray into light; and a light waveguide provided between the photodiode and the X-ray detection element, wherein the light waveguide connects the X-ray detection element with the photodiode such that the substrate is inclinedly disposed with respect to an X-ray detection surface of the X-ray detection element.Type: ApplicationFiled: April 25, 2014Publication date: August 21, 2014Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA MEDICAL SYSTEMS CORPORATIONInventors: Atsushi HASHIMOTO, Akira Nishijima, Shuya Nambu, Yoji Kudo, Masahiko Yamazaki, Tomonori Asada
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Publication number: 20090225955Abstract: The angle of each collimator plate with respect to an X-ray focal point is determined by fitting the collimator plate in grooves formed in upper and lower supports each having an integral structure. In addition, the warpage of each collimator plate is corrected and its flatness is maintained by fitting the periphery of the collimator plate which is on the X-ray detector side in a corresponding groove of an abutment plate provided on the X-ray detection surface side of the upper and lower supports. Furthermore, each collimator plate is supported by the corresponding grooves of the upper and lower supports and the corresponding groove of the abutment plate at least three sides.Type: ApplicationFiled: April 3, 2009Publication date: September 10, 2009Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA MEDICAL SYSTEMS CORPORATIONInventors: Kenji Igarashi, Masaharu Shimizu, Akiji Wakabayashi, Yasuo Saito, Machiko Iso, Tsuguo Kishi, Shigeru Sakuta, Masaru Kitamura, Ryuhachiro Doji, Hideki Ide, Shuya Nambu, Masahiko Yamazaki, Katsuya Yamada, Yasutada Nakagawa