Patents by Inventor Koichi Kishimoto
Koichi Kishimoto 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: 11183617Abstract: Disclosed are a phosphor sheet capable for converting light from LEDs into white light, a white light source device including the phosphor sheet, and a display device including the white light source device. The disclosed phosphor sheet includes a phosphor layer containing at least a phosphor and a resin; and a pair of transparent substrates sandwiching the phosphor layer. The phosphor sheet comprises a coloring material having an absorption maximum wavelength of at least one of from 480 nm to 510 nm or from 570 nm to 620 nm. The coloring material is contained in the phosphor layer. The transparent substrates are adhered to both surfaces of the phosphor layer. the phosphor layer has a thickness of 20 ?m to 200 ?m. An indicator of the usage amount of the coloring material defined by the following formula is 0.003 to 0.Type: GrantFiled: July 23, 2019Date of Patent: November 23, 2021Assignee: Dexerials CorporationInventors: Noritaka Sato, Koichi Kishimoto, Tomomitsu Hori, Yasushi Ito
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Patent number: 10690961Abstract: Provided is a partial drive-type light source device including an excitation light source that is formed from a plurality of light-emitting elements and is partially drivable, a phosphor sheet disposed at a position separated from the excitation light source and containing a phosphor that converts at least part of a wavelength region of incident light from the excitation light source and releases emitted light in a wavelength region differing from the incident light, and a wavelength-selective reflection film that is disposed between the excitation light source and the phosphor sheet and that transmits at least part of light in the wavelength region of the incident light from the excitation light source and reflects at least part of light in the wavelength region of the emitted light from the phosphor sheet.Type: GrantFiled: August 8, 2019Date of Patent: June 23, 2020Assignee: Dexerials CorporationInventors: Koichi Kishimoto, Yasushi Ito, Tomomitsu Hori, Noritaka Sato
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Patent number: 10529899Abstract: Disclosed are a phosphor sheet capable of improving color purity of each of RGB reproduced through a color filter, a white light source device including the phosphor sheet, and a display device including the white light source device. The disclosed phosphor sheet is a phosphor sheet for converting LED light into white light, including: a phosphor layer containing at least a phosphor and a resin; and a pair of transparent substrates sandwiching the phosphor layer, in which the phosphor sheet includes a coloring material having an absorption maximum wavelength of at least one of from 480 nm to 510 nm or from 570 nm to 620 nm.Type: GrantFiled: July 8, 2016Date of Patent: January 7, 2020Assignee: Dexerials CorporationInventors: Noritaka Sato, Koichi Kishimoto, Tomomitsu Hori, Yasushi Ito
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Publication number: 20190369441Abstract: Provided is a partial drive-type light source device including an excitation light source that is formed from a plurality of light-emitting elements and is partially drivable, a phosphor sheet disposed at a position separated from the excitation light source and containing a phosphor that converts at least part of a wavelength region of incident light from the excitation light source and releases emitted light in a wavelength region differing from the incident light, and a wavelength-selective reflection film that is disposed between the excitation light source and the phosphor sheet and that transmits at least part of light in the wavelength region of the incident light from the excitation light source and reflects at least part of light in the wavelength region of the emitted light from the phosphor sheet.Type: ApplicationFiled: August 8, 2019Publication date: December 5, 2019Applicant: Dexerials CorporationInventors: Koichi KISHIMOTO, Yasushi ITO, Tomomitsu HORI, Noritaka SATO
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Publication number: 20190355879Abstract: Disclosed are a phosphor sheet capable for converting light from LEDs into white light, a white light source device including the phosphor sheet, and a display device including the white light source device. The disclosed phosphor sheet includes a phosphor layer containing at least a phosphor and a resin; and a pair of transparent substrates sandwiching the phosphor layer. The phosphor sheet comprises a coloring material having an absorption maximum wavelength of at least one of from 480 nm to 510 nm or from 570 nm to 620 nm. The coloring material is contained in the phosphor layer. The transparent substrates are adhered to both surfaces of the phosphor layer. the phosphor layer has a thickness of 20 ?m to 200 ?m. An indicator of the usage amount of the coloring material defined by the following formula is 0.003 to 0.Type: ApplicationFiled: July 23, 2019Publication date: November 21, 2019Applicant: Dexerials CorporationInventors: Noritaka SATO, Koichi KISHIMOTO, Tomomitsu HORI, Yasushi ITO
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Patent number: 10423030Abstract: Provided is a partial drive-type light source device capable of suppressing coloring of a section intended to be a dark section when a plurality of light-emitting elements is driven in a partial manner. The partial drive-type light source device includes an excitation light source, a phosphor sheet that is disposed at a position separated from the excitation light source and contains a phosphor that releases emitted light in a wavelength region differing from incident light, and a wavelength-selective reflection film that is disposed between the excitation light source and the phosphor sheet and that transmits at least part of light in the wavelength region of the incident light from the excitation light source and reflects at least part of light in the wavelength region of the emitted light from the phosphor sheet.Type: GrantFiled: August 9, 2016Date of Patent: September 24, 2019Assignee: Dexerials CorporationInventors: Koichi Kishimoto, Yasushi Ito, Tomomitsu Hori, Noritaka Sato
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Publication number: 20190006563Abstract: Disclosed are a phosphor sheet capable of improving color purity of each of RGB reproduced through a color filter, a white light source device including the phosphor sheet, and a display device including the white light source device. The disclosed phosphor sheet is a phosphor sheet for converting LED light into white light, including: a phosphor layer containing at least a phosphor and a resin; and a pair of transparent substrates sandwiching the phosphor layer, in which the phosphor sheet includes a coloring material having an absorption maximum wavelength of at least one of from 480 nm to 510 nm or from 570 nm to 620 nm.Type: ApplicationFiled: July 8, 2016Publication date: January 3, 2019Applicant: Dexerials CorporationInventors: Noritaka SATO, Koichi KISHIMOTO, Tomomitsu HORI, Yasushi ITO
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Publication number: 20180292712Abstract: Provided is a partial drive-type light source device capable of suppressing coloring of a section intended to be a dark section when a plurality of light-emitting elements is driven in a partial manner. The partial drive-type light source device includes an excitation light source, a phosphor sheet that is disposed at a position separated from the excitation light source and contains a phosphor that releases emitted light in a wavelength region differing from incident light, and a wavelength-selective reflection film that is disposed between the excitation light source and the phosphor sheet and that transmits at least part of light in the wavelength region of the incident light from the excitation light source and reflects at least part of light in the wavelength region of the emitted light from the phosphor sheet.Type: ApplicationFiled: August 9, 2016Publication date: October 11, 2018Applicant: Dexerials CorporationInventors: Koichi KISHIMOTO, Yasushi ITO, Tomomitsu HORI, Noritaka SATO
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Publication number: 20180230374Abstract: Provided is a wavelength conversion member that can be produced at low cost and can suppress temporal variation in the chromaticity of light when used in a light source device. The wavelength conversion member contains: a phosphor that performs wavelength conversion of at least a portion of incident light and releases emitted light of a different wavelength to the incident light; a light diffusing element that diffuses either or both of the incident light and the emitted light; and a base material that holds the light diffusing element. The light diffusing element is a silicone resin, and the base material includes a hydrogenated styrene copolymer.Type: ApplicationFiled: August 9, 2016Publication date: August 16, 2018Applicant: Dexerials CorporationInventors: Yasushi ITO, Tomomitsu HORI, Koichi KISHIMOTO, Noritaka SATO
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Patent number: 8987975Abstract: A lead type piezoelectric resonator device includes a piezoelectric resonator plate and a lead terminal that supports the piezoelectric resonator plate. The piezoelectric resonator plate is provided with a terminal electrode that is electrically connected to the lead terminal, and the lead terminal is provided with a bonding layer that is electrically connected to the piezoelectric resonator plate. The piezoelectric resonator plate and the lead terminal are electromechanically bonded to each other by the terminal electrode and the bonding layer. A bonding material containing an Sn—Cu alloy is produced from the terminal electrode and the bonding layer by the bonding of the terminal electrode and the bonding layer.Type: GrantFiled: December 3, 2010Date of Patent: March 24, 2015Assignee: Daishinku CorporationInventors: Tatsuya Murakami, Tadataka Koga, Koichi Kishimoto
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Patent number: 8723400Abstract: A piezoelectric resonator device in which excitation electrodes of a piezoelectric resonator plate are hermetically sealed, includes a plurality of sealing members that hermetically seal the excitation electrodes of the piezoelectric resonator plate. The plurality of sealing members each have a bonding layer, and at least one of the plurality of sealing members is provided with a bank portion and having the bonding layer formed on a top face of the bank portion. The plurality of sealing members are bonded together with the bonding layers of the sealing members, and a bonding material that contains an intermetallic compound is formed.Type: GrantFiled: January 28, 2011Date of Patent: May 13, 2014Assignee: Daishinku CorporationInventors: Koichi Kishimoto, Tadataka Koga, Tatsuya Murakami
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Publication number: 20120280597Abstract: A piezoelectric resonator device in which excitation electrodes of a piezoelectric resonator plate are hermetically sealed, includes a plurality of sealing members that hermetically seal the excitation electrodes of the piezoelectric resonator plate. The plurality of sealing members each have a bonding layer, and at least one of the plurality of sealing members is provided with a bank portion and having the bonding layer formed on a top face of the bank portion. The plurality of sealing members are bonded together with the bonding layers of the sealing members, and a bonding material that contains an intermetallic compound is formed.Type: ApplicationFiled: January 28, 2011Publication date: November 8, 2012Applicant: DAISHINKU CORPORATIONInventors: Koichi Kishimoto, Tadataka Koga, Tatsuya Murakami
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Patent number: 8279610Abstract: An electronic component package has a base in the shape of a rectangle as viewed from the top, and a metal lid. A terminal electrode on a base bottom surface and a circuit substrate are joined using a conductive adhesive material. In the electronic component package, a first terminal electrode group including two or more terminal electrodes formed in parallel is formed eccentrically to one corner position of the base bottom surface, and a single second terminal electrode, or a second terminal electrode group including two or more terminal electrodes formed in parallel, is formed eccentrically only to a first diagonal position diagonally opposite the one corner position. Also, no-electrode regions in which no terminal electrode is formed along a short side of the base are provided at another corner position facing the one corner position in a short side direction of the base, and a second diagonal position diagonally opposite the other corner position.Type: GrantFiled: August 21, 2008Date of Patent: October 2, 2012Assignee: Daishinku CorporationInventors: Minoru Iizuka, Koichi Kishimoto, Kozo Shibutani, Kentaro Nakanishi
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Publication number: 20120235544Abstract: A lead type piezoelectric resonator device includes a piezoelectric resonator plate and a lead terminal that supports the piezoelectric resonator plate. The piezoelectric resonator plate is provided with a terminal electrode that is electrically connected to the lead terminal, and the lead terminal is provided with a bonding layer that is electrically connected to the piezoelectric resonator plate. The piezoelectric resonator plate and the lead terminal are electromechanically bonded to each other by the terminal electrode and the bonding layer. A bonding material containing an Sn—Cu alloy is produced from the terminal electrode and the bonding layer by the bonding of the terminal electrode and the bonding layer.Type: ApplicationFiled: December 3, 2010Publication date: September 20, 2012Applicant: DAISHINKU CORPORATIONInventors: Tatsuya Murakami, Tadataka Koga, Koichi Kishimoto
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Publication number: 20110114353Abstract: An electronic component package has a base in the shape of a rectangle as viewed from the top, and a metal lid. A terminal electrode on a base bottom surface and a circuit substrate are joined using a conductive adhesive material. In the electronic component package, a first terminal electrode group including two or more terminal electrodes formed in parallel is formed eccentrically to one corner position of the base bottom surface, and a single second terminal electrode, or a second terminal electrode group including two or more terminal electrodes formed in parallel, is formed eccentrically only to a first diagonal position diagonally opposite the one corner position. Also, no-electrode regions in which no terminal electrode is formed along a short side of the base are provided at another corner position facing the one corner position in a short side direction of the base, and a second diagonal position diagonally opposite the other corner position.Type: ApplicationFiled: August 21, 2008Publication date: May 19, 2011Applicant: DAISHINKU CORPORATIONInventors: Minoru Iizuka, Koichi Kishimoto, Kozo Shibutani, Kentaro Nakanishi