Patents by Inventor Yoshinori Tsubaki
Yoshinori Tsubaki 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: 7726801Abstract: A method for ink-jet textile printing including the steps of: (a) ejecting a pigment ink from a recording head onto a fabric, wherein the pigment ink contains at least water, a pigment and a polymer, wherein the polymer has a plurality of said chains in a hydrophilic main chain and is capable of cross-linking between the side chains by irradiation of active energy rays, and (b) forming an image by irradiation of active energy rays onto the ink ejected areas.Type: GrantFiled: November 20, 2006Date of Patent: June 1, 2010Assignee: Konica Minolta Holdings, Inc.Inventors: Shinichi Suzuki, Naoko Nakajima, Kei Kudo, Hitoshi Morimoto, Yoshinori Tsubaki
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Publication number: 20100098878Abstract: An ink-jet ink is disclosed, comprising a colorant, water, a polymeric compound which is comprised of a hydrophilic backbone having plural side chains and is capable of curing via the side chains upon exposure to an actinic ray and a fluorine-containing surfactant having a specific structure. An ink-jet recording method is also disclosed.Type: ApplicationFiled: March 30, 2009Publication date: April 22, 2010Applicant: KONICA MINOLTA HOLDINGS, INC.Inventor: Yoshinori Tsubaki
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Patent number: 7588330Abstract: An ink-jet recording method which enables recording of precise images by using a photo-curable ink and an ink-jet recording apparatus is disclosed, comprising ejecting an ink from a recording head to form ink dots on a recording medium, and exposing the recording medium to an actinic ray, wherein at least one of the timing of ejecting the ink and the rate of conveying recording medium is controlled so that the number of ink dots per unit length is greater in the sub-scanning direction than in the main scanning direction.Type: GrantFiled: November 17, 2006Date of Patent: September 15, 2009Assignee: Konica Minolta Holdings, Inc.Inventor: Yoshinori Tsubaki
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Publication number: 20090202744Abstract: An inkjet ink comprising: at least a colorant, an aqueous and a high molecular compound which has a hydrophilic main chain and plural side chains on the hydrophilic main chain and is cross-linkable among side chains by being irradiated with active energy rays, wherein the colorant is anionic and the side chains of the high molecular compound are anionic or nonionic.Type: ApplicationFiled: December 2, 2005Publication date: August 13, 2009Applicant: KONICA MINOLTA HOLDINGS, INC.Inventor: Yoshinori Tsubaki
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Publication number: 20090186201Abstract: A plate making method comprising the steps of: (1) ejecting a plate making ink onto a printing plate material via an ink-jet recording method, (2) irradiating actinic energy rays onto the ejected plate making ink, and (3) forming an image via evaporating of an ink solvent followed by drying, wherein the plate making ink comprises water and an actinic energy ray curable polymer, having a plurality of side chains with a main chain, and cross-linking can be induced among the side chains by irradiation of actinic energy ray radiation, and having a polymerization degree of 200-4000, in a range of 0.8%-5.0 weight % based on the total weight of the ink.Type: ApplicationFiled: June 27, 2007Publication date: July 23, 2009Applicant: KONICA MINOLTA HOLDINGS, INC.Inventors: Hirotaka Iijima, Yoshinori Tsubaki
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Publication number: 20090181189Abstract: A thermal transfer sheet packaged body includes a thermal transfer sheet and a packaging member for storing the thermal transfer sheet. The thermal transfer sheet is provided with field-sequentially disposed color material layers of individual colors and an image protective layer on a base material. An average value of the amounts of remaining solvent per unit area of the color material layers of the individual colors and the image protective layer is adjusted at 12.5 mg/m2 or less. The packaging member has the moisture permeability coefficient of 2 g/m2·24 h or less at 23° C. and a relative humidity of 55% RH.Type: ApplicationFiled: January 9, 2009Publication date: July 16, 2009Applicant: Sony CorporationInventor: Yoshinori Tsubaki
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Publication number: 20090181190Abstract: A thermal transfer recording medium having at least one transferable protective layer arranged on a base with a non-transferable release layer provided therebetween, in which the protective layer is detached from the release layer at the interface between the at least one protective layer and the release layer during thermal transfer printing and then thermally transferred onto an image, includes a primer layer containing at least one fluorocarbon-based surfactant, the primer layer, the release layer, and the protective layer being stacked, in that order, on one surface of the base, in which the release layer has a glass transition temperature of 60° C. to 110° C.Type: ApplicationFiled: January 14, 2009Publication date: July 16, 2009Applicant: SONY CORPORATIONInventor: Yoshinori Tsubaki
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Patent number: 7517921Abstract: An ink-jet ink is provided which exhibits excellent ejection stability during printing and results in improved abrasion resistance of text and images formed on various recording media, as well as improved image smoothness by employing an ink-jet ink wherein in the ink jet ink incorporating at least a pigment, water, and fine polymer particles, the ink viscosity ratio ?2/?1 satisfies the conditions specified by Formula (1) below, and a recording method using the same: 0.8<?2/?1<5.0??Formula (1) wherein ?1 represents the viscosity of an ink-jet ink at 25° C. which incorporates a viscosity retarding material or incorporates at least a pigment, water, and fine polymer particles, while ?2 represents the viscosity of the above ink at 25° C. in which water equivalent to 10 percent by weight of the entire ink weight has been evaporated.Type: GrantFiled: September 22, 2005Date of Patent: April 14, 2009Assignee: Konica Minolta Holdings, Inc.Inventors: Masaki Nakamura, Hirotaka Iijima, Yoshinori Tsubaki
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Patent number: 7416595Abstract: An ink-jet ink comprising Component (A), Component (B), and Component (C), wherein a content of Component (A) is 20-60% by weight, a content of Component (B) is 10-50% by weight, and when the content of Component (A) is 100% by weight, the total content ratio of a class of glycol, a class of polyol, and glycerin is 0-20% by weight, and a surface tension of the ink-jet ink is 18-27 mN/m; wherein Component (A) is 1,3-dimethyl-2-imidazolidinone or ?-butyrolactone, Component (B) is water, and Component (C) is a pigment.Type: GrantFiled: February 1, 2007Date of Patent: August 26, 2008Assignee: Konica Minolta Holdings, Inc.Inventors: Kenichi Ohkubo, Hisato Kato, Makoto Kaga, Yoshinori Tsubaki, Kumiko Furuno
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Publication number: 20080165237Abstract: Disclosed is an inkjet ink having printing aptitude with various recording media, excellent feathering resistance, beading resistance and bleed resistance, high adhesion to a recording medium, and high print quality. Also disclosed are an inkjet set and an inkjet recording method. Specifically disclosed is an inkjet ink containing at least a colorant, water and a polymer compound which has a plurality of side chains on a hydrophilic main chain and is cross-linkable between the side chains when irradiated with an active energy ray.Type: ApplicationFiled: February 27, 2008Publication date: July 10, 2008Applicant: KONICA MINOLTA HOLDINGS, INC.Inventors: Masayoshi YAMAUCHI, Masaki NAKAMURA, Yoshinori TSUBAKI, Kenichi OHKUBO, Kumiko FURUNO
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Publication number: 20070182796Abstract: An ink-jet ink comprising Component (A), Component (B), and Component (C), wherein a content of Component (A) is 20-60% by weight, a content of Component (B) is 10-50% by weight, and when the content of Component (A) is 100% by weight, the total content ratio of a class of glycol, a class of polyol, and glycerin is 0-20% by weight, and a surface tension of the ink-jet ink is 18-27 mN/m; wherein Component (A) is 1,3-dimethyl-2-imidazolidinone or ?-butyrolactone, Component (B) is water, and Component (C) is a pigment.Type: ApplicationFiled: February 1, 2007Publication date: August 9, 2007Applicant: KONICA MINOLTA HOLDINGS, INC.Inventors: Kenichi OHKUBO, Hisato KATO, Makoto KAGA, Yoshinori TSUBAKI, Kumiko FURUNO
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Publication number: 20070126831Abstract: A method for ink-jet textile printing comprising the steps of: (a) ejecting a pigment ink from a recording head onto a fabric, wherein the pigment ink contains at least water, a pigment and a polymer, wherein the polymer has a plurality of said chains in a hydrophilic main chain and is capable of cross-linking between the side chains by irradiation of active energy rays, and (b) forming an image by irradiation of active energy rays onto the ink ejected areas.Type: ApplicationFiled: November 20, 2006Publication date: June 7, 2007Applicant: KONICA MINOLTA HOLDINGS, INC.Inventors: Shinichi Suzuki, Naoko Nakajima, Kei Kudo, Hitoshi Morimoto, Yoshinori Tsubaki
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Publication number: 20070120881Abstract: An ink-jet recording method which enables recording of precise images by using a photo-curable ink and an ink-jet recording apparatus is disclosed, comprising ejecting an ink from a recording head to form ink dots on a recording medium, and exposing the recording medium to an actinic ray, wherein at least one of the timing of ejecting the ink and the rate of conveying recording medium is controlled so that the number of ink dots per unit length is greater in the sub-scanning direction than in the main scanning direction.Type: ApplicationFiled: November 17, 2006Publication date: May 31, 2007Applicant: KONICA MINOLTA HOLDINGS, INC.Inventor: Yoshinori Tsubaki
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Publication number: 20070115325Abstract: An ink-jet is disclosed, comprising a colorant, water, a polymeric compound which is comprised of a hydrophilic backbone having plural side chains and is capable of curing via the side chains upon exposure to an actinic ray and a fluorine-containing surfactant having a specific structure. An ink-jet recording method is also disclosed.Type: ApplicationFiled: November 9, 2006Publication date: May 24, 2007Applicant: KONICA MINOLTA HOLDINGS, INC.Inventor: Yoshinori TSUBAKI
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Publication number: 20070109375Abstract: An ink-jet ink containing: (a) a colorant; (b) water; and (c) a polymer produced by saponification of a polyvinyl acetate, wherein the polymer comprises a backbone and a group of first side chains and a group of second side chains, provided that the first chains are capable of cross-linking between the first chains by irradiation with actinic rays, and the second chains are capable of thermally reacting with a cross-linking agent.Type: ApplicationFiled: November 2, 2006Publication date: May 17, 2007Applicant: KONICA MINOLTA HOLDINGS, INC.Inventors: Masayoshi YAMAUCHI, Masaki NAKAMURA, Yoshinori TSUBAKI, Kenichi OHKUBO, Kumiko FURUNO
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Publication number: 20070064050Abstract: By employing an ink-jet ink and an ink-jet set characterized in that in an ink-jet ink incorporating at least water, an organic solvent, and a polymer compound having a plurality of side chains on a hydrophilic main chain, the polymer in which at least a part of the side chains are crosslinkable via exposure to actinic radiation, and the polymer exists in a dissolved state in the ink-jet ink, and the polymer has a property that all amount of the polymer is not dissolved in water when the polymer is mixed with water in an amount of the same content ratio as in the ink-jet ink, and an ink-jet recording method using the same, printing adaptability onto various printing media and ejection stability are achieved, and images exhibiting excellent color bleeding resistance and excellent beading resistance are prepared.Type: ApplicationFiled: September 7, 2006Publication date: March 22, 2007Applicant: KONICA MINOLTA HOLDINGS, INC.Inventors: Kenichi Ohkubo, Masaki Nakamura, Masayoshi Yamauchi, Yoshinori Tsubaki, Kumiko Furuno
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Publication number: 20070032571Abstract: An ink-jet ink comprising water, a pigment, Polymer A and Polymer B, wherein Polymer A is a polymer compound having a plurality of side chains on a hydrophilic main chain and capable of undergoing cross-linking among the side chains when exposed to active rays; and Polymer B is a copolymer which is obtained from a carboxylic acid containing monomer neutralized by an amine compound and a nonionic monomer having a hydrophobic moiety exhibiting adsorption capability of the pigment, and Polymer B exhibiting a weight-average molecular weight of 5,000 to 100,000, and an acid value of 50 to 500 mgKOH/g.Type: ApplicationFiled: July 21, 2006Publication date: February 8, 2007Applicant: KONICA MINOLTA HOLDINGS, INC.Inventors: Kumiko Furuno, Masaki Nakamura, Masayoshi Yamauchi, Yoshinori Tsubaki, Kenichi Ohkubo
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Publication number: 20060233977Abstract: An ink-jet recording sheet is disclosed. The ink accepting porous layer comprises a hydrophilic binder containing a polymer compound crosslinked via irradiation of ionizing radiation, micro particles, and at least one component selected from the group consisting of (A) a nitrogen-containing compound, (B) a sulfur-containing compound, (C) a phenol compound and (D) a polyvalent metal salt.Type: ApplicationFiled: June 13, 2006Publication date: October 19, 2006Applicant: KONICA MINOLTA HOLDINGS, INC.Inventors: Yukako Taka, Yoshinori Tsubaki
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Patent number: 7122225Abstract: An ink-jet recording sheet comprising a substrate having thereon a porous layer formed by a process comprising the steps of: (a) coating on the substrate an aqueous coating composition containing a hydrophilic binder and inorganic particles to form the porous layer; (b) drying the porous layer over a period, wherein the period comprises at least a constant drying rate period and a falling drying rate period; and (c) incorporating a solution containing an additive into the porous layer after the completion of the constant drying rate period.Type: GrantFiled: February 6, 2004Date of Patent: October 17, 2006Assignee: Konica CorporationInventors: Keiji Ohbayashi, Atsushi Saito, Yuichiro Maehara, Yoshinori Tsubaki
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Publication number: 20060205841Abstract: An ink-jet ink containing a colorant, resin microparticles and a polymer, wherein the polymer has a hydrophilic main chain and a plurality of side chains and the polymer is capable of undergoing crosslinking between the side chains by irradiation with actinic radiation.Type: ApplicationFiled: March 7, 2006Publication date: September 14, 2006Inventors: Kumiko Furuno, Masaki Nakamura, Masayoshi Yamauchi, Yoshinori Tsubaki, Kenichi Ohkubo