Patents by Inventor Mitsuru Sekiguchi
Mitsuru Sekiguchi 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: 10323271Abstract: Provided are: a probe reagent which is capable of stably yielding a fluorescence signal in FISH while inhibiting non-specific adsorption by the use of a nucleic acid molecule having a smaller number of bases than a BAC probe; and FISH using the probe reagent. The probe reagent is for in situ hybridization and comprises: phosphor-integrated nanoparticles containing phosphors integrated therein; and a nucleic acid molecule having a prescribed nucleic acid sequence, which phosphor-integrated nanoparticles and nucleic acid molecule are bound with each other.Type: GrantFiled: March 20, 2015Date of Patent: June 18, 2019Assignee: KONICA MINOLTA, INC.Inventors: Takeshi Isoda, Mitsuru Sekiguchi, Yutaka Hatanaka, Yoshikazu Kurihara
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Publication number: 20170029878Abstract: Provided are: a probe reagent which is capable of stably yielding a fluorescence signal in FISH while inhibiting non-specific adsorption by the use of a nucleic acid molecule having a smaller number of bases than a BAC probe; and FISH using the probe reagent. The probe reagent is for in situ hybridization and comprises: phosphor-integrated nanoparticles containing phosphors integrated therein; and a nucleic acid molecule having a prescribed nucleic acid sequence, which phosphor-integrated nanoparticles and nucleic acid molecule are bound with each other.Type: ApplicationFiled: March 20, 2015Publication date: February 2, 2017Inventors: Takeshi ISODA, Mitsuru SEKIGUCHI, Yutaka HATANAKA, Yoshikazu KURIHARA
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Patent number: 8723127Abstract: A radiation detector of a compact size and producing almost no image defect is disclosed, comprising a first radiation-transmissive substrate, a first adhesive layer, a second radiation-transmissive substrate, a scintillator layer and an output substrate provided with a photoelectric conversion element layer which are provided sequentially in this order, wherein an arrangement region of the scintillator layer in a planar direction of the layer includes an arrangement region of the photoelectric conversion element layer in a planar direction of the layer and an arrangement region of the first substrate in a planar direction of the substrate, and the arrangement region of the first substrate includes the arrangement region of the photoelectric conversion element layer; and when the arrangement region of the scintillator layer is divided to plural areas, a coefficient of variation of filling factor is 20% or less which is defined as a standard deviation of filling factor of phosphor of the plural areas, dividedType: GrantFiled: February 23, 2010Date of Patent: May 13, 2014Assignee: Konica Minolta Business Technologies, Inc.Inventors: Narito Goto, Mitsuru Sekiguchi
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Publication number: 20120001282Abstract: A radiation detector of a compact size and producing almost no image defect is disclosed, comprising a first radiation-transmissive substrate, a first adhesive layer, a second radiation-transmissive substrate, a scintillator layer and an output substrate provided with a photoelectric conversion element layer which are provided sequentially in this order, wherein an arrangement region of the scintillator layer in a planar direction of the layer includes an arrangement region of the photoelectric conversion element layer in a planar direction of the layer and an arrangement region of the first substrate in a planar direction of the substrate, and the arrangement region of the first substrate includes the arrangement region of the photoelectric conversion element layer; and when the arrangement region of the scintillator layer is divided to plural areas, a coefficient of variation of filling factor is 20% or less which is defined as a standard deviation of filling factor of phosphor of the plural areas, dividedType: ApplicationFiled: February 23, 2010Publication date: January 5, 2012Inventors: Narito Goto, Mitsuru Sekiguchi
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Patent number: 7972694Abstract: A semiconductor nanoparticle and semiconductor nanorod that have optical characteristics (luminescence intensity and emission lifetime) superior to those of conventional core/shell nanosized semiconductors. There are provided a triple-layer semiconductor nanoparticle, and triple-layer semiconductor nanorod, having an average particle diameter of 2 to 50 nm and comprising a core layer, an interlayer and a shell layer, wherein the layers are composed of different crystals, and wherein the crystal constructing the shell layer exhibits a band gap greater than that of the crystal constructing the core layer, and wherein the crystal constructing the interlayer has a lattice constant assuming a value between those of the crystal constructing the core layer and the crystal constructing the shell layer.Type: GrantFiled: November 27, 2006Date of Patent: July 5, 2011Assignee: Konica Minolta Medical & Graphic, Inc.Inventors: Mitsuru Sekiguchi, Kazuya Tsukada, Hisatake Okada
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Patent number: 7786447Abstract: A scintillator panel comprising: a radiation-transparent substrate; and a phosphor layer provided on the substrate, the phosphor layer emitting light when irradiated with a radiation, wherein at least one edge of the substrate and at least one edge of the phosphor layer are arranged on a same plane.Type: GrantFiled: November 19, 2007Date of Patent: August 31, 2010Assignee: Konica Minolta Medical & Graphic, Inc.Inventors: Masashi Kondo, Takehiko Shoji, Mitsuru Sekiguchi
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Patent number: 7741619Abstract: An objective is to provide a flat panel detector exhibiting high durability and less noise, which is fitted with a scintillator for radiation exhibiting high emission efficiency, wherein the scintillator is easy to be manufactured because of the simple structure. Also disclosed is a scintillator panel for radiation possessing a radiotransparent substrate and provided thereon, a phosphor layer from which light is emitted by exposing the substrate to radiation and a reflective film at which light from the phosphor layer is reflected, wherein the reflective film provided between the substrate and the phosphor layer possesses a multilayer film composed of at least two dielectric layers exhibiting a high reflectivity.Type: GrantFiled: July 7, 2008Date of Patent: June 22, 2010Assignee: Konica Minolta Medical & Graphic, Inc.Inventors: Mitsuru Sekiguchi, Takehiko Shoji
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Patent number: 7605085Abstract: First wirings and first dummy wirings are formed in a p-SiOC film formed on a substrate. A p-SiOC film is formed, and a cap film is formed on the p-SiOC film. A dual damascene wiring, including vias connected to the first wirings and the second wirings, is formed in the cap film and the p-SiOC film 22. Dummy vias are formed on the periphery of isolated vias.Type: GrantFiled: September 18, 2006Date of Patent: October 20, 2009Assignees: Renesas Technology Corp., Panasonic CorporationInventors: Kazuo Tomita, Keiji Hashimoto, Yasutaka Nishioka, Susumu Matsumoto, Mitsuru Sekiguchi, Akihisa Iwasaki
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Patent number: 7573043Abstract: A radiation flat panel detector is created in which degradation of a phosphor layer property during aging is inhibited, the phosphor layer is protected from chemical alteration and physical impact, and sharpness is excellent. A flat panel detector possessing a light-receiving element and provided thereon, a scintillator panel possessing a scintillator sheet having a phosphor layer provided on a substrate and provided thereon, a first protective film placed on the phosphor layer side and a second protective film placed on the substrate side to seal the scintillator sheet, wherein the light-receiving element is provided on the first protective film side of the scintillator panel; the scintillator sheet is sealed at 5-8000 Pa; and the phosphor layer brought into contact with the first protective film and the light-receiving element plane brought into contact with the first protective film both have a surface roughness Ra of 0.05-0.8 ?m.Type: GrantFiled: August 3, 2007Date of Patent: August 11, 2009Assignee: Konica Minolta Medical & Graphic, Inc.Inventors: Yasushi Nagata, Takehiko Shoji, Masashi Kondo, Mitsuru Sekiguchi
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Publication number: 20090170094Abstract: A fluorescent labeling substance that is capable of realizing highly appropriate labeling through enhancing of the luminous efficiency of semiconductor nanoparticles or nanorods. The fluorescent labeling substance can be provided by disposing on a surface of shell of nanorods or nanoparticles having a modification group capable of adsorption with a biosubstance, such as protein, nucleic acid or antibody, a region devoid of the above modification group.Type: ApplicationFiled: November 27, 2006Publication date: July 2, 2009Inventors: Mitsuru Sekiguchi, Kazuyoshi Goan, Kazuya Tsukada
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Patent number: 7554087Abstract: A scintillator plate comprising: (i) a radiation transmissive substrate; (ii) a light absorbing layer formed on the substrate, the light absorbing layer absorbing light of a prescribed wavelength range; and (iii) a scintillator layer formed on the light absorbing layer, the scintillator layer converting radiation to the light having a wavelength absorbable to the light absorbing layer.Type: GrantFiled: August 28, 2007Date of Patent: June 30, 2009Assignee: Konica Minolta Medical & Graphic, Inc.Inventors: Masashi Kondo, Yasushi Nagata, Mitsuru Sekiguchi
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Patent number: 7531817Abstract: An objective is to provide a scintillator panel by which a converted light signal can be efficiently transmitted to suitably realize an FPD exhibiting a high radiation-to-light conversion efficiency. Also provided is a scintillator panel possessing a substrate and provided thereon, a phosphor layer possessing columnar crystals made of cesium iodide, wherein a columnar crystal tip angle is 40-80°. Further, the above-described phosphor is preferably formed via vacuum evaporation.Type: GrantFiled: August 28, 2007Date of Patent: May 12, 2009Assignee: Konica Minolta Medical & Graphic, Inc.Inventors: Yasushi Nagata, Masashi Kondo, Mitsuru Sekiguchi
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Publication number: 20090053522Abstract: A semiconductor nanoparticle and semiconductor nanorod that have optical characteristics (luminescence intensity and emission lifetime) superior to those of conventional core/shell nanosized semiconductors. There are provided a triple-layer semiconductor nanoparticle, and triple-layer semiconductor nanorod, having an average particle diameter of 2 to 50 nm and comprising a core layer, an interlayer and a shell layer, wherein the layers are composed of different crystals, and wherein the crystal constructing the shell layer exhibits a band gap greater than that of the crystal constructing the core layer, and wherein the crystal constructing the interlayer has a lattice constant assuming a value between those of the crystal constructing the core layer and the crystal constructing the shell layer.Type: ApplicationFiled: November 27, 2006Publication date: February 26, 2009Applicant: KONICA MINOLTA MEDICAL & GRAPHIC, INC.Inventors: Mitsuru Sekiguchi, Kazuya Tsukada, Hisatake Okada
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Publication number: 20090020706Abstract: An objective is to provide a flat panel detector exhibiting high durability and less noise, which is fitted with a scintillator for radiation exhibiting high emission efficiency, wherein the scintillator is easy to be manufactured because of the simple structure. Also disclosed is a scintillator panel for radiation possessing a radiotransparent substrate and provided thereon, a phosphor layer from which light is emitted by exposing the substrate to radiation and a reflective film at which light from the phosphor layer is reflected, wherein the reflective film provided between the substrate and the phosphor layer possesses a multilayer film composed of at least two dielectric layers exhibiting a high reflectivity.Type: ApplicationFiled: July 7, 2008Publication date: January 22, 2009Applicant: KONICA MINOLTA MEDICAL & GRAPHIC, INC.Inventors: Mitsuru Sekiguchi, Takehiko Shoji
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Publication number: 20080173824Abstract: A scintillator plate is disclosed comprising on a substrate a metal layer and a phosphor layer capable of emitting light upon exposure to radiation, wherein all of the substrate, the phosphor layer and the metal layer are covered with a moisture-resistant protective film. Also disclosed is a scintillator plate comprising on a metal substrate a phosphor layer capable of emitting light upon exposure to radiation, wherein all of the metal substrate and the phosphor layer are covered with a moisture-resistant protective film.Type: ApplicationFiled: January 9, 2008Publication date: July 24, 2008Inventors: Mitsuru SEKIGUCHI, Takehiko Shoji
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Publication number: 20080149852Abstract: A method of manufacturing a scintillator panel comprising the sequential steps of: forming an electroconductive metal reflection layer on a polymer film substrate; forming a protective layer on the electroconductive metal reflection layer; cutting the polymer film substrate having thereon the electroconductive metal reflection layer and the protective layer into a prescribed size; forming a scintillator layer by a vacuum evaporation method on the protective layer of the polymer film substrate cut in the prescribed size to prepare a scintillator sheet; and sealing the scintillator sheet with sealing films provided above and below the scintillator sheet to prepare the scintillator panel, wherein static electricity is removed from the polymer film substrate through a cut surface of the electroconductive metal reflection layer when the scintillator layer is vacuum evaporated.Type: ApplicationFiled: November 27, 2007Publication date: June 26, 2008Inventors: Takehiko Shoji, Mitsuru Sekiguchi
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Publication number: 20080116381Abstract: A scintillator panel comprising: a radiation-transparent substrate; and a phosphor layer provided on the substrate, the phosphor layer emitting light when irradiated with a radiation, wherein at least one edge of the substrate and at least one edge of the phosphor layer are arranged on a same plane.Type: ApplicationFiled: November 19, 2007Publication date: May 22, 2008Inventors: Masashi KONDO, Takehiko Shoji, Mitsuru Sekiguchi
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Publication number: 20080111083Abstract: A scintillator panel containing a substrate having thereon a reflection layer, and intermediate layer, and a scintillator layer in the sequence set forth, wherein the intermediate layer contains a resin having a glass transition temperature, and the intermediate layer has been subjected to a process of heating to a temperature of equal to or grater than the glass transition temperature of the resin.Type: ApplicationFiled: November 9, 2007Publication date: May 15, 2008Inventors: Masashi Kondo, Takehiko Shoji, Mitsuru Sekiguchi
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Publication number: 20080099687Abstract: A radiation image detector comprising: a scintillator panel comprising a substrate having thereon a phosphor layer; a protective cover provided on a side of the substrate opposite the phosphor layer, wherein a radiation is incident on the side of the substrate opposite the phosphor layer; a light receiving element provided on a side of the scintillator panel opposite the protective cover, the light receiving element having a plurality of two-dimensionally arrayed light receiving pixels which photoelectrically convert light generated by the scintillator panel, wherein distance D satisfies: 0.2 mm?D?2.0 mm wherein D is a distance between following (i) and (ii): (i) a surface of the protective cover facing the scintillator panel; and (ii) a surface of the substrate on which the phosphor layer is provided.Type: ApplicationFiled: October 19, 2007Publication date: May 1, 2008Applicant: KONICA MINOLTA MEDICAL & GRAPHIC, INC.Inventors: Takehiko Shoji, Mitsuru Sekiguchi
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Publication number: 20080054181Abstract: A scintillator plate comprising: (i) a radiation transmissive substrate; (ii) a light absorbing layer formed on the substrate, the light absorbing layer absorbing light of a prescribed wavelength range; and (iii) a scintillator layer formed on the light absorbing layer, the scintillator layer converting radiation to the light having a wavelength absorbable to the light absorbing layer.Type: ApplicationFiled: August 28, 2007Publication date: March 6, 2008Inventors: Masashi Kondo, Yasushi Nagata, Mitsuru Sekiguchi