Patents by Inventor Yoshihito Taguchi
Yoshihito Taguchi 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: 20230183507Abstract: An image forming method according to an aspect of the present invention includes supplying a water based ink to an inkjet head at a flow rate of 5 mL/min or more and 120 mL/min or less, and ejecting the supplied water based ink from a nozzle of the inkjet head. The water based ink contains a colorant and a water-insoluble resin having a glass transition temperature of 40° C. or higher and 100° C. or lower.Type: ApplicationFiled: November 30, 2022Publication date: June 15, 2023Applicant: KONICA MINOLTA, INC.Inventors: Yoshihito TAGUCHI, Masashi IKEDA
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Patent number: 9318646Abstract: The present invention addresses the problem of providing an LED device having no color unevenness in light emission. In order to solve the problem, this LED device manufacturing method includes: a step of providing an LED chip-mounted package; a step of film-forming a fluorescent material layer by applying a fluorescent material-dispersed solution to a emission surface of the LED chip, said fluorescent material-dispersed solution containing a solvent, a fluorescent material, clay minerals and porous inorganic particles, and by drying the fluorescent material-dispersed solution; and a step of film-forming a wavelength conversion section by applying, to the fluorescent material layer, a precursor solution having a precursor of a light transmissive ceramic dispersed in a solvent, and by firing the layer, said wavelength conversion section being composed of a light transmissive ceramic layer having the fluorescent material, the clay minerals and the porous inorganic particles dispersed therein.Type: GrantFiled: October 5, 2012Date of Patent: April 19, 2016Assignee: KONICA MINOLTA, INC.Inventor: Yoshihito Taguchi
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Patent number: 9260654Abstract: Disclosed is a manufacturing method for a light emitting device including a light emitting element and a wavelength converting part which converts light emitted from the light emitting element into light of another wavelength. The manufacturing method includes a first step and a second step. The first step is a step of applying onto the light emitting element and drying a first liquid mixture in which phosphor and plate-like particles are dispersed in polyhydric alcohol having a valence of two or more to form a phosphor layer. The second step is a step of applying onto the phosphor layer and firing a second liquid mixture in which a translucent ceramic precursor is dispersed in a solvent to form the wavelength converting part.Type: GrantFiled: February 15, 2012Date of Patent: February 16, 2016Assignee: KONICA MINOLTA, INC.Inventors: Takashi Washizu, Takuji Hatano, Yoshihito Taguchi
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Patent number: 9112122Abstract: A light-emitting device (100) is provided with a metal part (2) atop a planar LED substrate (1), and an LED element (3) is disposed atop the metal part (2). A glass substrate (5) is provided to an upper surface of the LED element (3), and a wavelength conversion part (6) is formed on an upper surface of the glass substrate (5). The wavelength conversion part (6) comprises a light-transmissive ceramic layer formed by heating a mixture containing a phosphor, an organometallic compound, a layered silicate mineral, an inorganic particulate, an organic solvent, and water.Type: GrantFiled: April 12, 2011Date of Patent: August 18, 2015Assignee: KONICA MINOLTA ADVANCED LAYERS, INC.Inventors: Takuji Hatano, Hitoshi Adachi, Takashi Washizu, Yoshihito Taguchi
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Publication number: 20150004728Abstract: The present invention addresses the problem of providing an LED device having no color unevenness in light emission. In order to solve the problem, this LED device manufacturing method includes: a step of providing an LED chip-mounted package; a step of film-forming a fluorescent material layer by applying a fluorescent material-dispersed solution to a emission surface of the LED chip, said fluorescent material-dispersed solution containing a solvent, a fluorescent material, clay minerals and porous inorganic particles, and by drying the fluorescent material-dispersed solution; and a step of film-forming a wavelength conversion section by applying, to the fluorescent material layer, a precursor solution having a precursor of a light transmissive ceramic dispersed in a solvent, and by firing the layer, said wavelength conversion section being composed of a light transmissive ceramic layer having the fluorescent material, the clay minerals and the porous inorganic particles dispersed therein.Type: ApplicationFiled: October 5, 2012Publication date: January 1, 2015Inventor: Yoshihito Taguchi
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Patent number: 8835336Abstract: Provided with the following glass components: 8 to 19.5% B2O3, 4.5 to 9% SiO2, 0 to 10% GeO2, 7 to 12.5% BaO, 0 to 14% MgO, 0 to 0.4% Li2O, 15 to 34% La2O3, 3.5 to 10% Y2O3, 8 to 13.5% TiO2, 0 to 7% ZrO2, 0 to 11% Nb2O5, and 1 to 9% WO3 by weight, wherein B2O3/SiO2 is at least 1.0, La2O3+Y2O3+ZrO2+Nb2O5+WO3 is no more than 54%, and B2O3+SiO2+GeO2+BaO+MgO+Li2O+La2O3+Y2O3+TiO2+ZrO2+Nb2O5+WO3 is at least 98%.Type: GrantFiled: September 15, 2010Date of Patent: September 16, 2014Assignee: Konica Minolta Advanced Layers, Inc.Inventor: Yoshihito Taguchi
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Publication number: 20130344633Abstract: Disclosed is a manufacturing method for a light emitting device Including a light emitting element and a wavelength converting part which converts light emitted from the light emitting element into light of another wavelength. The manufacturing method includes a first step and a second step. The first step is a step of applying onto the light emitting element and drying a first liquid mixture in which phosphor and plate-like particles are dispersed in polyhydric alcohol having a valence of two or more to form a phosphor layer. The second step is a step of applying onto the phosphor layer and firing a second liquid mixture in which a translucent ceramic precursor is dispersed in a solvent to form the wavelength converting part.Type: ApplicationFiled: February 15, 2012Publication date: December 26, 2013Applicant: KONICA MINOLTA , INC.Inventors: Takashi Washizu, Takuji Hatano, Yoshihito Taguchi
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Publication number: 20130037844Abstract: A light-emitting device (100) is provided with a metal part (2) atop a planar LED substrate (1), and an LED element (3) is disposed atop the metal part (2). A glass substrate (5) is provided to an upper surface of the LED element (3), and a wavelength conversion part (6) is formed on an upper surface of the glass substrate (5). The wavelength conversion part (6) comprises a light-transmissive ceramic layer formed by heating a mixture containing a phosphor, an organometallic compound, a layered silicate mineral, an inorganic particulate, an organic solvent, and water.Type: ApplicationFiled: April 12, 2011Publication date: February 14, 2013Inventors: Takuji Hatano, Hitoshi Adachi, Takashi Washizu, Yoshihito Taguchi
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Publication number: 20120309606Abstract: An optical glass includes, by mass: 38 to 55% of P2O5; 1 to 10% of Al2O3; 0 to 5.5% of B2O3; 0 to 4% of SiO2; 3 to 24.5% of BaO; 0 to 15% of SrO; 1 to 10% of CaO; 0.5 to 14.5% of ZnO; 1 to 15% of Na2O; 1 to 4% of Li2O; 0 to 4.5% of K2O; 0 to 0.4% of TiO2; and 0 to 5% of Ta2O5, in which BaO+SrO+CaO+ZnO falls within a range of 25 to 39%, Na2O+Li2O+K2O falls within a range of 5 to 20%, Al2O3+SiO2+CaO+Ta2O5 falls within a range of 9 to 18% and P2O5+B2O3+Al2O3+SiO2+BaO+SrO+CaO+ZnO+Na2O+Li2O+K2O+TiO2+Ta2O5 is equal to 98% or more.Type: ApplicationFiled: January 27, 2011Publication date: December 6, 2012Inventor: Yoshihito Taguchi
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Patent number: 8294357Abstract: A wavelength conversion element, including: a substrate; and a ceramic layer formed on the substrate, the ceramic layer being obtained by sintering a ceramic precursor; wherein the ceramic precursor is a compound selected from the group composed of alkoxysilane and a compound having a plurality of siloxane structures; a phosphor and particles of an oxide are mixed with the ceramic precursor; the phosphor has particle diameters within a range of from 1 ?m to 50 ?m and a concentration of the phosphor in the ceramic layer is equal to or more than 40 wt % and less than 95 wt %; and the particles of the oxide have primary particle diameters within a range of from 0.001 ?m to 30 ?m and a concentration within a range of from 0.5 wt % to 20 wt % in the ceramic layer.Type: GrantFiled: May 10, 2011Date of Patent: October 23, 2012Assignee: Konica Minolta Opto, Inc.Inventors: Takashi Washizu, Takuji Hatano, Yoshihito Taguchi
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Publication number: 20120238436Abstract: Provided with the following glass components: 8 to 19.5% B2O3, 4.5 to 9% SiO2, 0 to 10% GeO2, 7 to 12.5% BaO, 0 to 14% MgO, 0 to 0.4% Li2O, 15 to 34% La2O3, 3.5 to 10% Y2O3, 8 to 13.5% TiO2, 0 to 7% ZrO2, 0 to 11% Nb2O5, and 1 to 9% WO3 by weight, wherein B2O3/SiO2 is at least 1.0, La2O3+Y2O3+ZrO2+Nb2O5+WO3 is no more than 54%, and B2O3+SiO2+GeO2+BaO+MgO+Li2O+La2O3+Y2O3+TiO2+ZrO2+Nb2O5+WO3 is at least 98%.Type: ApplicationFiled: September 15, 2010Publication date: September 20, 2012Inventor: Yoshihito Taguchi
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Publication number: 20110279012Abstract: A wavelength conversion element, including: a substrate; and a ceramic layer formed on the substrate, the ceramic layer being obtained by sintering a ceramic precursor; wherein the ceramic precursor is a compound selected from the group composed of alkoxysilane and a compound having a plurality of siloxane structures; a phosphor and particles of an oxide are mixed with the ceramic precursor; the phosphor has particle diameters within a range of from 1 ?m to 50 ?m and a concentration of the phosphor in the ceramic layer is equal to or more than 40 wt % and less than 95 wt %; and the particles of the oxide have primary particle diameters within a range of from 0.001 ?m to 30 ?m and a concentration within a range of from 0.5 wt % to 20 wt % in the ceramic layer.Type: ApplicationFiled: May 10, 2011Publication date: November 17, 2011Inventors: Takashi WASHIZU, Takuji Hatano, Yoshihito Taguchi
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Publication number: 20110278616Abstract: A manufacturing method of a wavelength conversion element suppresses the changes of the chromaticities among wavelength conversion elements. The manufacturing method of the wavelength conversion element including a glass substrate and a ceramic layer in which a phosphor is dispersed is disclosed. The manufacturing method includes the step of preparing a mixture containing a ceramic precursor, a solvent, and the phosphor, which mixture has viscosity within a range of from 10 cp to 1000 cp, the step of coating the mixture onto at least one surface of a glass substrate, the step of baking the mixture to form the ceramic layer, and the step of dicing the glass substrate and the ceramic layer after the baking.Type: ApplicationFiled: May 10, 2011Publication date: November 17, 2011Inventors: Takashi Washizu, Takuji Hatano, Yoshihito Taguchi
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Patent number: 8008219Abstract: An optical glass includes, based on the total weight of the optical glass: not less than 35 weight percent and less than 45 weight percent of P2O5; not less than 0.5 weight percent and less than 10 weight percent of B2O3; 0 to 16 weight percent of Al2O3; 0 to 2.5 weight percent of SiO2; 0 to 26 weight percent of BaO; 0 to 20 weight percent of SrO; 23 to 49 weight percent of ZnO; more than 6 weight percent and not more than 20 weight percent of CaO; 0 to 16 weight percent of MgO; not less than 0 weight percent and less than 1 weight percent of Li2O; 3 to 19 weight percent of Na2O; and 0 to 20 weight percent of K2O, where the total weight of BaO, SrO, ZnO, CaO, and MgO and the total weight of Li2O, Na2O and K2O are predetermined amounts.Type: GrantFiled: July 28, 2009Date of Patent: August 30, 2011Assignee: Konica Minolta Opto, Inc.Inventor: Yoshihito Taguchi
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Publication number: 20100035743Abstract: An optical glass includes, based on the total weight of the optical glass: not less than 35 weight percent and less than 45 weight percent of P2O5; not less than 0.5 weight percent and less than 10 weight percent of B2O3; 0 to 16 weight percent of Al2O3; 0 to 2.5 weight percent of SiO2; 0 to 26 weight percent of BaO; 0 to 20 weight percent of SrO; 23 to 49 weight percent of ZnO; more than 6 weight percent and not more than 20 weight percent of CaO; 0 to 16 weight percent of MgO; not less than 0 weight percent and less than 1 weight percent of Li2O; 3 to 19 weight percent of Na2O; and 0 to 20 weight percent of K2O, where the total weight of BaO, SrO, ZnO, CaO, and MgO and the total weight of Li2O, Na2O and are predetermined amounts.Type: ApplicationFiled: July 28, 2009Publication date: February 11, 2010Inventor: Yoshihito Taguchi