Patents by Inventor Jun Sakurai
Jun Sakurai 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: 12544205Abstract: The present invention provides a warp-knitted fabric and a medical material that can be simultaneously extended in all directions by causing thread made of a second bioabsorbable material to be absorbed in a living body over time and in which the degree of extension can be increased.Type: GrantFiled: October 28, 2022Date of Patent: February 10, 2026Assignee: TEIJIN LIMITEDInventors: Shintaro Nemoto, Hideaki Yamada, Jun Sakurai, Kazuteru Kohno, Masaya Ito, Atsuko Onishi
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Patent number: 12386085Abstract: A radiation detector includes a sensor panel having a light receiving surface, a first scintillator panel and a second scintillator panel disposed on the light receiving surface in a state of being adjacent to each other along the light receiving surface, and a moisture-proof layer. The first scintillator panel has a first substrate and a first scintillator layer including a plurality of columnar crystals. The second scintillator panel has a second substrate and a second scintillator layer including a plurality of columnar crystals. The first scintillator layer reaches at least a first portion of the first substrate. The second scintillator layer reaches at least a second portion of the second substrate. The moisture-proof layer is provided continuous over the first scintillator panel and the second scintillator panel.Type: GrantFiled: November 8, 2021Date of Patent: August 12, 2025Assignee: HAMAMATSU PHOTONICS K.K.Inventors: Haruki Yamaji, Jun Sakurai, Kazuhiro Shirakawa, Masashi Hatanaka, Keisuke Goto
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Patent number: 12386084Abstract: A radiation detector includes a sensor panel having a light receiving surface, a first scintillator panel and a second scintillator panel disposed on the light receiving surface in a state of being adjacent to each other along the light receiving surface, and an adhesive layer. The first scintillator panel has a first substrate and a first scintillator layer including a plurality of columnar crystals. The second scintillator panel has a second substrate and a second scintillator layer including a plurality of columnar crystals. The first scintillator layer reaches at least a first portion of the first substrate. The second scintillator layer reaches at least a second portion of the second substrate. The adhesive layer is separated for each of the first scintillator panel and the second scintillator panel.Type: GrantFiled: November 8, 2021Date of Patent: August 12, 2025Assignee: HAMAMATSU PHOTONICS K.K.Inventors: Haruki Yamaji, Jun Sakurai, Kazuhiro Shirakawa, Masashi Hatanaka, Keisuke Goto
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Patent number: 12386083Abstract: A radiation detector includes a sensor panel having a light receiving surface, a first scintillator panel and a second scintillator panel disposed on the light receiving surface in a state of being adjacent to each other along the light receiving surface, and an adhesive layer. The first scintillator panel has a first substrate and a first scintillator layer including a plurality of columnar crystals. The second scintillator panel has a second substrate and a second scintillator layer including a plurality of columnar crystals. The first scintillator layer reaches at least a first portion of the first substrate. The second scintillator layer reaches at least a second portion of the second substrate. The adhesive layer is provided continuous over the first scintillator panel and the second scintillator panel.Type: GrantFiled: November 8, 2021Date of Patent: August 12, 2025Assignee: HAMAMATSU PHOTONICS K.K.Inventors: Haruki Yamaji, Jun Sakurai, Kazuhiro Shirakawa, Masashi Hatanaka, Keisuke Goto
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Publication number: 20250180759Abstract: A scintillator panel includes a support substrate being flexible; a scintillator layer including a plurality of columnar crystals; and an intermediate layer disposed between the support substrate and the scintillator layer. The plurality of columnar crystals include a plurality of first end portions on a support substrate side and a plurality of second end portions on a side opposite to the support substrate. Each of the plurality of first end portions tapers toward the support substrate side. Each of the plurality of second end portions has an end surface along a plane. A part of the intermediate layer is disposed in at least a region between the plurality of first end portions.Type: ApplicationFiled: October 26, 2022Publication date: June 5, 2025Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Keisuke GOTO, Jun SAKURAI, Hidenori JONISHI, Shintaro TOYAMA, Masashi HATANAKA, Kazuhiro SHIRAKAWA
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Patent number: 12320931Abstract: A scintillator panel includes a substrate made of an organic material, a barrier layer formed on the substrate and including thallium iodide as a main component, and a scintillator layer formed on the barrier layer and including cesium iodide as a main component. According to this scintillator panel, moisture resistance can be improved by providing the barrier layer between the substrate and the scintillator layer.Type: GrantFiled: March 7, 2024Date of Patent: June 3, 2025Assignee: HAMAMATSU PHOTONICS K.K.Inventors: Keisuke Goto, Kazuhiro Shirakawa, Hidenori Jonishi, Masashi Hatanaka, Haruki Yamaji, Jun Sakurai, Yutaka Kusuyama
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Publication number: 20250076525Abstract: A radiation detector includes a sensor panel having a light receiving surface, a first scintillator panel and a second scintillator panel disposed on the light receiving surface in a state of being adjacent to each other along the light receiving surface, and an adhesive layer. The first scintillator panel has a first substrate and a first scintillator layer including a plurality of columnar crystals. The second scintillator panel has a second substrate and a second scintillator layer including a plurality of columnar crystals. The first scintillator layer reaches at least a first portion of the first substrate. The second scintillator layer reaches at least a second portion of the second substrate. The adhesive layer is separated for each of the first scintillator panel and the second scintillator panel.Type: ApplicationFiled: November 8, 2021Publication date: March 6, 2025Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Haruki YAMAJI, Jun SAKURAI, Kazuhiro SHIRAKAWA, Masashi HATANAKA, Keisuke GOTO
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Patent number: 12216235Abstract: A scintillator panel includes: a first flexible support body having a first surface and a second surface on a side opposite to the first surface; a scintillator layer formed on the first surface and containing a plurality of columnar crystals; a second flexible support body provided on the second surface; an inorganic layer provided on the second flexible support body so as to be interposed between the second surface and the second flexible support body; and a first adhesive layer bonding the second surface and the inorganic layer to each other. A radiation detector includes: the scintillator panel; and a sensor panel including a photoelectric conversion element, in which the scintillator panel is provided on the sensor panel such that the first surface is on the sensor panel side with respect to the second surface.Type: GrantFiled: July 9, 2020Date of Patent: February 4, 2025Assignee: HAMAMATSU PHOTONICS K.K.Inventors: Masashi Hatanaka, Haruki Yamaji, Kazuhiro Shirakawa, Keisuke Goto, Jun Sakurai
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Patent number: 12092776Abstract: A radiation detector includes: a sensor panel; a scintillator panel; and a resin frame provided across the sensor panel and the scintillator panel, in which the sensor panel has a mounting surface where the scintillator panel is mounted, the scintillator panel includes a support body having a first surface, a second surface on a side opposite to the first surface, and a first side surface connecting the first surface and the second surface to each other, and a scintillator layer formed on the first surface and containing a plurality of columnar crystals, the scintillator panel is mounted on the mounting surface such that the scintillator layer and the first surface face the mounting surface, and the scintillator layer has a second side surface extending so as to be positioned on the same plane as the first side surface.Type: GrantFiled: July 9, 2020Date of Patent: September 17, 2024Assignee: HAMAMATSU PHOTONICS K.K.Inventors: Haruki Yamaji, Kazuhiro Shirakawa, Keisuke Goto, Masashi Hatanaka, Jun Sakurai
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Publication number: 20240210578Abstract: A scintillator panel includes a substrate made of an organic material, a barrier layer formed on the substrate and including thallium iodide as a main component, and a scintillator layer formed on the barrier layer and including cesium iodide as a main component. According to this scintillator panel, moisture resistance can be improved by providing the barrier layer between the substrate and the scintillator layer.Type: ApplicationFiled: March 7, 2024Publication date: June 27, 2024Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Keisuke GOTO, Kazuhiro SHIRAKAWA, Hidenori JONISHI, Masashi HATANAKA, Haruki YAMAJI, Jun SAKURAI, Yutaka KUSUYAMA
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Publication number: 20240118437Abstract: A radiation detector includes a sensor panel having a light receiving surface, a first scintillator panel and a second scintillator panel disposed on the light receiving surface in a state of being adjacent to each other along the light receiving surface, and an adhesive layer. The first scintillator panel has a first substrate and a first scintillator layer including a plurality of columnar crystals. The second scintillator panel has a second substrate and a second scintillator layer including a plurality of columnar crystals. The first scintillator layer reaches at least a first portion of the first substrate. The second scintillator layer reaches at least a second portion of the second substrate. The adhesive layer is provided continuous over the first scintillator panel and the second scintillator panel.Type: ApplicationFiled: November 8, 2021Publication date: April 11, 2024Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Haruki YAMAJI, Jun SAKURAI, Kazuhiro SHIRAKAWA, Masashi HATANAKA, Keisuke GOTO
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Patent number: 11953631Abstract: A scintillator panel includes a substrate made of an organic material, a barrier layer formed on the substrate and including thallium iodide as a main component, and a scintillator layer formed on the barrier layer and including cesium iodide as a main component. According to this scintillator panel, moisture resistance can be improved by providing the barrier layer between the substrate and the scintillator layer.Type: GrantFiled: November 10, 2022Date of Patent: April 9, 2024Assignee: HAMAMATSU PHOTONICS K.K.Inventors: Keisuke Goto, Kazuhiro Shirakawa, Hidenori Jonishi, Masashi Hatanaka, Haruki Yamaji, Jun Sakurai, Yutaka Kusuyama
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Publication number: 20240103189Abstract: A scintillator panel includes: a first flexible support body having a first surface and a second surface on a side opposite to the first surface; a scintillator layer formed on the first surface and containing a plurality of columnar crystals; a second flexible support body provided on the second surface; an inorganic layer provided on the second flexible support body so as to be interposed between the second surface and the second flexible support body; and a first adhesive layer bonding the second surface and the inorganic layer to each other. A radiation detector includes: the scintillator panel; and a sensor panel including a photoelectric conversion element, in which the scintillator panel is provided on the sensor panel such that the first surface is on the sensor panel side with respect to the second surface.Type: ApplicationFiled: July 9, 2020Publication date: March 28, 2024Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Masashi HATANAKA, Haruki YAMAJI, Kazuhiro SHIRAKAWA, Keisuke GOTO, Jun SAKURAI
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Publication number: 20240103188Abstract: A radiation detector includes: a sensor panel; a scintillator panel; and a resin frame provided across the sensor panel and the scintillator panel, in which the sensor panel has a mounting surface where the scintillator panel is mounted, the scintillator panel includes a support body having a first surface, a second surface on a side opposite to the first surface, and a first side surface connecting the first surface and the second surface to each other, and a scintillator layer formed on the first surface and containing a plurality of columnar crystals, the scintillator panel is mounted on the mounting surface such that the scintillator layer and the first surface face the mounting surface, and the scintillator layer has a second side surface extending so as to be positioned on the same plane as the first side surface.Type: ApplicationFiled: July 9, 2020Publication date: March 28, 2024Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Haruki YAMAJI, Kazuhiro SHIRAKAWA, Keisuke GOTO, Masashi HATANAKA, Jun SAKURAI
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Publication number: 20240045085Abstract: A radiation detector includes a sensor panel having a light receiving surface, and a first scintillator panel and a second scintillator panel disposed on the light receiving surface in a state of being adjacent to each other along the light receiving surface. The first scintillator panel has a first substrate and a first scintillator layer including a plurality of columnar crystals. The second scintillator panel has a second substrate and a second scintillator layer including a plurality of columnar crystals. The first scintillator layer reaches at least a first portion of the first substrate. The second scintillator layer reaches at least a second portion of the second substrate. A first angle in the first scintillator panel is 90 degrees or less. A second angle in the second scintillator panel is 90 degrees or less.Type: ApplicationFiled: November 8, 2021Publication date: February 8, 2024Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Keisuke GOTO, Haruki YAMAJI, Jun SAKURAI, Kazuhiro SHIRAKAWA, Masashi HATANAKA
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Publication number: 20240027636Abstract: A radiation detector includes a sensor panel having a light receiving surface, a first scintillator panel and a second scintillator panel disposed on the light receiving surface in a state of being adjacent to each other along the light receiving surface, and a moisture-proof layer. The first scintillator panel has a first substrate and a first scintillator layer including a plurality of columnar crystals. The second scintillator panel has a second substrate and a second scintillator layer including a plurality of columnar crystals. The first scintillator layer reaches at least a first portion of the first substrate. The second scintillator layer reaches at least a second portion of the second substrate. The moisture-proof layer is provided continuous over the first scintillator panel and the second scintillator panel.Type: ApplicationFiled: November 8, 2021Publication date: January 25, 2024Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Haruki YAMAJI, Jun SAKURAI, Kazuhiro SHIRAKAWA, Masashi HATANAKA, Keisuke GOTO
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Publication number: 20230074016Abstract: A scintillator panel includes a substrate made of an organic material, a barrier layer formed on the substrate and including thallium iodide as a main component, and a scintillator layer formed on the barrier layer and including cesium iodide as a main component. According to this scintillator panel, moisture resistance can be improved by providing the barrier layer between the substrate and the scintillator layer.Type: ApplicationFiled: November 10, 2022Publication date: March 9, 2023Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Keisuke GOTO, Kazuhiro Shirakawa, Hidenori Jonishi, Masashi Hatanaka, Haruki Yamaji, Jun Sakurai, Yutaka Kusuyama
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Patent number: 11598889Abstract: A scintillator panel 10 includes a substrate 11 having a substrate main surface 11a, a substrate rear surface 11b, and a substrate side surface 11c; and a scintillator layer 12 having a scintillator rear surface 12b formed of a plurality of columnar crystals, a scintillator main surface 12a, and a scintillator side surface 12c. The substrate side surface 11c and the scintillator side surface 12c are substantially flush with each other. In the substrate 11, an angle A1 between the substrate rear surface 11b and the substrate side surface 11c is smaller than 90 degrees.Type: GrantFiled: July 28, 2021Date of Patent: March 7, 2023Assignee: HAMAMATSU PHOTONICS K.K.Inventors: Haruki Yamaji, Kazuhiro Shirakawa, Keisuke Goto, Hidenori Jonishi, Masashi Hatanaka, Jun Sakurai
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Publication number: 20230063894Abstract: The present invention provides a warp-knitted fabric and a medical material that can be simultaneously extended in all directions by causing thread made of a second bioabsorbable material to be absorbed in a living body over time and in which the degree of extension can be increased.Type: ApplicationFiled: October 28, 2022Publication date: March 2, 2023Applicants: EDUCATIONAL FOUNDATION OF OSAKA MEDICAL AND PHARMACEUTICAL UNIVERSITY, TEIJIN LIMITEDInventors: Shintaro NEMOTO, Hideaki YAMADA, Jun SAKURAI, Kazuteru KOHNO, Masaya ITO, Atsuko ONISHI
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Patent number: 11536859Abstract: A scintillator panel includes a substrate made of an organic material, a barrier layer formed on the substrate and including thallium iodide as a main component, and a scintillator layer formed on the barrier layer and including cesium iodide as a main component. According to this scintillator panel, moisture resistance can be improved by providing the barrier layer between the substrate and the scintillator layer.Type: GrantFiled: July 8, 2021Date of Patent: December 27, 2022Assignee: HAMAMATSU PHOTONICS K.K.Inventors: Keisuke Goto, Kazuhiro Shirakawa, Hidenori Jonishi, Masashi Hatanaka, Haruki Yamaji, Jun Sakurai, Yutaka Kusuyama