Patents by Inventor Masayuki Ushiku
Masayuki Ushiku 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: 11800648Abstract: A pattern forming method capable of easily removing a discontinuous portion in a pattern while keeping resistance of the pattern low. A pattern forming method including at least a printing step of printing a pattern intermediate containing a conductive material on a base material 1, and a plating step of subjecting the pattern intermediate to an electroplating treatment, in which the pattern intermediate printed in the printing step has a plating target portion that is energized in the plating step and a discontinuous portion that is discontinuously formed from the plating target portion and is not energized in the plating step, and in the plating step, by performing an electric field plating treatment using a plating solution containing at least two or more types of metal salts containing different types of metals and a complexing agent, the discontinuous portion of the pattern intermediate is removed to form a pattern constituted by the plating target portion covered with a plating film.Type: GrantFiled: February 22, 2018Date of Patent: October 24, 2023Assignee: KONICA MINOLTA, INC.Inventors: Masayuki Ushiku, Hidenobu Ohya, Hideki Hoshino, Masayoshi Yamauchi, Takenori Omata, Naoto Niizuma, Ryo Aoyama, Kazuho Urayama
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Patent number: 11247502Abstract: This inkjet image formation method has: a precoat liquid application step in which a precoat liquid is applied to a film substrate, the precoat liquid including a curing agent, a resin having a function group that reacts with the curing agent, and water; a precoat liquid drying step in which the precoat liquid applied to the film substrate is dried to form a precoat layer; an ink application step in which an ink is applied to the precoat layer by an inkjet method, the ink containing at least a coloring material, an organic solvent, and water; and an ink drying step in which the ink applied to the precoat layer is dried to form an image. The drying temperature T1, which is the highest temperature during the precoat liquid drying step, and the drying temperature T2, which is the highest temperature during the ink drying step, satisfy T2>T1.Type: GrantFiled: August 24, 2018Date of Patent: February 15, 2022Assignee: KONICA MINOLTA, INC.Inventors: Masayuki Ushiku, Haruka Moriyama, Hirotaka Tagori
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Publication number: 20210084769Abstract: A pattern forming method capable of easily removing a discontinuous portion in a pattern while keeping resistance of the pattern low. A pattern forming method including at least a printing step of printing a pattern intermediate containing a conductive material on a base material 1, and a plating step of subjecting the pattern intermediate to an electroplating treatment, in which the pattern intermediate printed in the printing step has a plating target portion that is energized in the plating step and a discontinuous portion that is discontinuously formed from the plating target portion and is not energized in the plating step, and in the plating step, by performing an electric field plating treatment using a plating solution containing at least two or more types of metal salts containing different types of metals and a complexing agent, the discontinuous portion of the pattern intermediate is removed to form a pattern constituted by the plating target portion covered with a plating film.Type: ApplicationFiled: February 22, 2018Publication date: March 18, 2021Inventors: Masayuki USHIKU, Hidenobu OHYA, Hideki HOSHINO, Masayoshi YAMAUCHI, Takenori OMATA, Naoto NIIZUMA, Ryo AOYAMA, Kazuho URAYAMA
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Publication number: 20200180337Abstract: This inkjet image formation method has: a precoat liquid application step in which a precoat liquid is applied to a film substrate, the precoat liquid including a curing agent, a resin having a function group that reacts with the curing agent, and water; a precoat liquid drying step in which the precoat liquid applied to the film substrate is dried to form a precoat layer; an ink application step in which an ink is applied to the precoat layer by an inkjet method, the ink containing at least a coloring material, an organic solvent, and water; and an ink drying step in which the ink applied to the precoat layer is dried to form an image. The drying temperature T1, which is the highest temperature during the precoat liquid drying step, and the drying temperature T2, which is the highest temperature during the ink drying step, satisfy T2>T1.Type: ApplicationFiled: August 24, 2018Publication date: June 11, 2020Inventors: Masayuki USHIKU, Haruka MORIYAMA, Hirotaka TAGORI
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Publication number: 20190085193Abstract: An inkjet recording method that provides both image blurring prevention function and high adhesive property. This is achieved by an inkjet recording method including a precoat liquid application step of applying a precoat liquid containing, at least, resin particulate and water on a film substrate, a precoat liquid drying step of drying the precoat liquid applied on the film substrate to form a precoat layer, an ink deposition step of depositing an ink containing, at least, a color material, an organic solvent, and water on the precoat layer using an inkjet technology, and an ink drying step of drying the ink deposited on the precoat layer to record the ink, where the precoat liquid drying step and the ink drying step are performed so that the highest drying temperature T1 in the precoat liquid drying step and the highest drying temperature T2 in the ink drying step satisfy a relationship of T2>T1.Type: ApplicationFiled: February 7, 2017Publication date: March 21, 2019Inventor: Masayuki USHIKU
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Patent number: 8865793Abstract: An ink-jet recording ink which is utilized for printing on a heated recording medium, wherein the ink contains at least (1) a pigment, (2) an ink-soluble resin of 2-10 weight % based on a solid content, (3) a water-soluble organic solvent, and (4) a silicone type or a fluorine type surfactant, and the ink-soluble resin and the water-soluble organic solvent satisfy the following conditions: 1) at least one type of the ink-soluble resin is provided with a carboxyl group as an acid group, and an acid value of not less than 80 and less than 300, and 2) the water-soluble organic solvent contains at least 5-15 weight % of solvent A, and 2-15 weight % of solvent B; solvent A: a glycol ether or 1,2-alkanediols, and solvent B: a cyclic solvent, a cyclic ester solvent or a dimethyl sulfoxide, containing a nitrogen or a sulfur atom.Type: GrantFiled: February 20, 2008Date of Patent: October 21, 2014Assignee: Konica Minolta Holdings, Inc.Inventors: Hidenobu Ohya, Masayuki Ushiku, Tomoe Kawanami
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Publication number: 20120268519Abstract: This invention provides a water-based ink jet ink and a method to use the ink. The ink yields high-quality and highly-fast images, is stably ejected, is stably printed for a long period of time, and, at the same time, provides easy recovery in maintenance. The water-based ink jet ink has a pigment, 2-10% by mass of an ink soluble resin, 20-45% by mass of a solvent having a surface tension of 25-40 mN/m, and a silicone-type or fluorine-type surfactant. The ink soluble resin contains a carboxyl or sulfonic acid group as an acidic group and has an acid value of 80-300.Type: ApplicationFiled: June 15, 2012Publication date: October 25, 2012Applicant: KONICA MINOLTA HOLDINGS, INC.Inventors: Hidenobu OHYA, Masayuki USHIKU, Tomoe KAWANAMI
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Patent number: 7829607Abstract: A water-based heat fixing ink having at least the following 4 compounds, a: pigment; b: water-soluble resin comprising a copolymer, in which a monomer having a carboxyl group and monomer having a hydrophobic group are polymerized, and the resin is dissolved by neutralization with an amine; c: an organic solvent satisfying following Equation (1) which is represented by a hydrogen bonding term and a polar term of a solubility parameter; and d: water; wherein b is contained in an amount of 2.5-7.0 weight % as a free polymer in a water-based heat fixing ink, 8?(?p2+?h2)1/2?12??Equation (1).Type: GrantFiled: March 28, 2008Date of Patent: November 9, 2010Assignee: Konica Minolta Holdings, Inc.Inventor: Masayuki Ushiku
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Publication number: 20100093900Abstract: An ink-jet recording ink which is utilized for printing on a heated recording medium, wherein the ink contains at least (1) a pigment, (2) an ink-soluble resin of 2-10 weight % based on a solid content, (3) a water-soluble organic solvent, and (4) a silicone type or a fluorine type surfactant, and the ink-soluble resin and the water-soluble organic solvent satisfy the following conditions: 1) at least one type of the ink-soluble resin is provided with a carboxyl group as an acid group, and an acid value of not less than 80 and less than 300, and 2) the water-soluble organic solvent contains at least 5-15 weight % of solvent A, and 2-15 weight % of solvent B; solvent A: a glycol ether or 1,2-alkanediols, and solvent B: a cyclic solvent, a cyclic ester solvent or a dimethyl sulfoxide, containing a nitrogen or a sulfur atom.Type: ApplicationFiled: February 20, 2008Publication date: April 15, 2010Applicant: KONICA MINOLTA HOLDINGS, INC.Inventors: Hidenobu Ohya, Masayuki Ushiku, Tomoe Kawanami
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Publication number: 20100034973Abstract: This invention provides a water-based ink jet ink, which can yield high-quality and highly fast images, can be stably ejected, can be stably printed for a long period of time, and, at the same time, can realize easy recovery in maintenance, and a recording method using the water-based ink jet ink. The water-based ink jet ink is characterized by comprising at least a pigment, not less than 2% by mass and not more than 10% by mass of an ink soluble resin, not less than 20% by mass and less than 45% by mass of a solvent having a surface tension of not less than 25 mN/m and not more than 40 mN/m, and a silicone-type or fluorine-type surfactant, at least one type of the ink soluble resin containing a carboxyl or sulfonic acid group as an acidic group and having an acid value of not less than 80 and less than 300.Type: ApplicationFiled: February 18, 2008Publication date: February 11, 2010Applicant: KONICA MINOLTA HOLDINGS, INC.Inventors: Hidenobu Ohya, Masayuki Ushiku, Tomoe Kawanami
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Patent number: 7655713Abstract: A non-aqueous ink-jet ink containing a pigment, a resin for fixing an image and Compound A represented by Formula (1) or Formula (2), wherein a content of Compound A in the ink-jet ink is from 1.Type: GrantFiled: May 31, 2007Date of Patent: February 2, 2010Assignee: Konica Minolta IJ Technologies, Inc.Inventors: Manabu Kaneko, Makoto Kaga, Masayuki Ushiku, Kenichi Ohkubo
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Patent number: 7488763Abstract: A non-aqueous ink-set for ink-jet recording comprising one or more inks each comprising a mixed solvent, a pigment and a resin and at least one of colors is constituted by a light colored ink and a dark colored ink different from each other in a pigment concentration, wherein a ratio (V1/V2) of viscosity (V1) of the mixed solvent contained in the light colored ink to viscosity (V2) of the mixed solvent contained in the dark colored ink satisfies Expression (1): 1.1<V1/V2<2.5??Expression (1).Type: GrantFiled: June 11, 2007Date of Patent: February 10, 2009Assignee: Konica Minolta IJ Technologies, Inc.Inventors: Masayuki Ushiku, Hisato Kato, Manabu Kaneko
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Publication number: 20080252709Abstract: A water-based heat fixing ink comprising at least the following 4 compounds, a: pigment; b: water-soluble resin comprising a copolymer, in which a monomer having a carboxyl group and monomer having a hydrophobic group are polymerized, and the resin is dissolved by neutralization with an amine; c: an organic solvent satisfying following Equation (1) which is represented by a hydrogen bonding term and a polar term of a solubility parameter; and d: water; wherein b is contained in an amount of 0.5-7.Type: ApplicationFiled: March 28, 2008Publication date: October 16, 2008Applicant: KONICA MINOLTA HOLDINGS, INC.Inventor: Masayuki USHIKU
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Patent number: 7387381Abstract: An ink jet recording sheet having a porous ink receiving layer is disclosed. The porous ink receiving layer contains a compound which has a plural number of non-aromatic carbon-carbon unsaturated bonds in a molecule, inorganic particles and a hydrophilic binder. An image forming method employing the ink jet recording sheet and a water-base ink is also disclosed.Type: GrantFiled: September 3, 2003Date of Patent: June 17, 2008Assignee: Konica CorporationInventors: Eisaku Katoh, Atsushi Tomotake, Masayuki Ushiku
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Publication number: 20070293601Abstract: A non-aqueous ink-set for ink-jet recording comprising one or more inks each comprising a mixed solvent, a pigment and a resin and at least one of colors is constituted by a light colored ink and a dark colored ink different from each other in a pigment concentration, wherein a ratio (V1/V2) of viscosity (V1) of the mixed solvent contained in the light colored ink to viscosity (V2) of the mixed solvent contained in the dark colored ink satisfies Expression (1): 1.1<V1/V2<2.Type: ApplicationFiled: June 11, 2007Publication date: December 20, 2007Applicant: KONICA MINOLTA IJ TECHNOLOGIES, INC.Inventors: Masayuki Ushiku, Hisato Kato, Manabu Kaneko
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Publication number: 20070287772Abstract: A non-aqueous ink-jet ink containing a pigment, a resin for fixing an image and Compound A represented by Formula (1) or Formula (2), wherein a content of Compound A in the ink-jet ink is from 1.Type: ApplicationFiled: May 31, 2007Publication date: December 13, 2007Applicant: KONICA MINOLTA IJ TECHNOLOGIES, INC.Inventors: Manabu Kaneko, Makoto Kaga, Masayuki Ushiku, Kenichi Ohkubo
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Publication number: 20060204688Abstract: An ink-jet recording sheet including a support having thereon an ink receiving layer containing a silica particle prepared by a wet method and a hydrophilic binder, wherein the silica particle has an average diameter of a primary particle of not more than 10 nm and an average diameter of a second particle diameter of 10 to 300 nm; a weight ratio of the silica particle to the hydrophilic binder is 5.5:1 to 12:1; and the ink receiving layer has a surface pH value of 3.0 to 6.0.Type: ApplicationFiled: May 11, 2006Publication date: September 14, 2006Applicant: KONICA MINOLTA HOLDINGS, INC.Inventor: Masayuki Ushiku
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Publication number: 20060182904Abstract: An ink-jet recording sheet containing a support having thereon at least two porous ink absorptive layers containing microparticles and a hydrophilic resin, wherein an uppermost ink absorptive layer has a smaller average void diameter than an ink absorptive layer adjacent to the uppermost ink absorptive layer, and the hydrophilic resin in the uppermost ink absorptive layer is cross-linked by irradiation with ionization radiation.Type: ApplicationFiled: February 10, 2006Publication date: August 17, 2006Applicant: KONICA MINOLTA HOLDINGS, INC.Inventors: Masayuki Ushiku, Manabu Kaneko, Shinsaku Kashiwamura
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Patent number: 7090903Abstract: An ink-jet recording sheet, comprising a support having thereon a porous ink receiving layer, the porous ink receiving layer including inorganic particles, a hydrophilic binder and a polymer, wherein the polymer has a plurality of carbon-carbon unsaturated bonds, provided that the unsaturated bonds are non-aromatic; the polymer has a recurring unit derived from butadiene or isoprene.Type: GrantFiled: September 26, 2003Date of Patent: August 15, 2006Assignee: Konica CorporationInventors: Eisaku Katoh, Atsushi Tomotake, Toshihiko Iwasaki, Masayuki Ushiku, Junji Ito, Yukako Taka
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Publication number: 20060055762Abstract: An ink-jet recording sheet containing a support having thereon a porous ink receptive layer containing: a hydrophilic polymer; inorganic particles having an average diameter of not more than 100 nm, a nonionic surface active agent; and a cationic surface active agent.Type: ApplicationFiled: September 7, 2005Publication date: March 16, 2006Applicant: KONICA MINOLTA HOLDINGS, INC.Inventors: Masayuki Ushiku, Hisashi Mori