Patents by Inventor Yasufumi Ooishi
Yasufumi Ooishi 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: 20120200651Abstract: An ink set is disclosed which includes a yellow ink composition containing a resin-coated yellow pigment in which a yellow pigment is coated with a crosslinked water-soluble resin, a water-soluble polymerizable compound and water; a magenta ink composition containing a resin-coated magenta pigment in which a magenta pigment is coated with a crosslinked water-soluble resin, a water-soluble polymerizable compound and water; a cyan ink composition containing a resin-coated cyan pigment in which a cyan pigment is coated with a crosslinked water-soluble resin, a water-soluble polymerizable compound and water; and a treatment liquid containing an aggregating agent for aggregating components in the ink compositions.Type: ApplicationFiled: January 27, 2012Publication date: August 9, 2012Applicant: FUJIFILM CORPORATIONInventors: Misato SASADA, Yasufumi OOISHI
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Patent number: 8226186Abstract: An inkjet recording method including recording an image by applying an ink containing a pigment to a recording medium, and fixing an image region by pressure-contacting a pressure-bonding unit against the image region when the tackiness of the image region as measured by a ball tack test method reaches 20 mm or greater.Type: GrantFiled: December 18, 2009Date of Patent: July 24, 2012Assignee: FUJIFILM CorporationInventors: Yasufumi Ooishi, Kiyoshi Irita
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Patent number: 8220913Abstract: An ink-jet recording method is provided, which includes (i) supplying on a coated paper a treatment liquid containing 15% by mass or more of a polyvalent metal compound for fixing the components contained in an ink composition and having a viscosity at 25° C. of from 2 mPa·s to 8 mPa·s, in an amount of from ?50% to +50% with respect to the value of ?V [ml/m2] determined by the following Formula (I); and (ii) recording an image by ejecting an ink composition containing a colorant, resin particles, an aqueous organic solvent and water by an ink-jet method on the coated paper to which the treatment liquid has been supplied. Vr represents a roughness index of the coated paper obtained from a measurement of liquid absorbability according to the Bristow method, and Vi represents the amount of transfer at an inflection point where the value of absorption coefficient of the coated paper changes in the measurement of liquid absorbability according to the Bristow method.Type: GrantFiled: July 13, 2009Date of Patent: July 17, 2012Assignee: FUJIFILM CorporationInventors: Yasufumi Ooishi, Kiyoshi Irita, Toshihiro Kariya
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Patent number: 8173349Abstract: A polymer compound is provided which is excellent in heat resistance and insulating property, and a photosensitive resin composition is provided which includes the polymer compound, and may form a cured pattern or a cured film excellent in pattern forming property, resolution, heat resistance and insulating property. Also, a method for forming a cured pattern excellent in pattern forming property, resolution, heat resistance and insulating property using the photosensitive resin composition, and an electronic device having high reliance for a semiconductor device or for a display device are provided. The photosensitive resin composition includes a polymer compound obtained by reacting a monomer represented by Formula (1) and a monomer represented by Formula (2), and a photosensitizing agent.Type: GrantFiled: March 25, 2009Date of Patent: May 8, 2012Assignee: FUJIFILM CorporationInventors: Masanori Hikita, Yasufumi Ooishi, Kenichiro Sato
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Publication number: 20110249055Abstract: The present invention provides an inkjet ink composition, which has excellent ink-ejection reliability over a long time and capability of forming an image without defects such as white spots, and which includes: a pigment coated with a dispersant polymer; a water soluble polymerizable compound; a polymerization initiator; and water, the dispersant polymer being formed from a water soluble dispersant by crosslinking with a crosslinking agent.Type: ApplicationFiled: April 5, 2011Publication date: October 13, 2011Applicant: FUJIFILM CORPORATIONInventors: Misato SASADA, Yasufumi OOISHI
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Publication number: 20110234690Abstract: The invention provides an ink composition including a pigment, water, a polymerizable compound having an acrylamide structure, a polymerization initiator and a wetting agent that is in the form of a solid at a temperature of 25° C. and an atmospheric pressure of 1 bar, the wetting agent being included in the ink composition in an amount of from 0.01% by mass to 400% by mass with respect to the polymerizable compound having an acrylamide structure.Type: ApplicationFiled: March 22, 2011Publication date: September 29, 2011Applicant: FUJIFILM CORPORATIONInventors: Yasufumi OOISHI, Yuji KUME
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Publication number: 20110227991Abstract: An ink composition includes: a pigment; water; a polymerizable monomer that is capable of being polymerized by an active energy ray; and an initiator that is capable of initiating polymerization of the polymerizable monomer by the active energy ray, wherein a number of particles contained in the ink composition having a particle diameter of 0.8 ?m or more is 20,000 particles/?l or less.Type: ApplicationFiled: March 14, 2011Publication date: September 22, 2011Applicant: FUJIFILM CORPORATIONInventors: Misato Sasada, Kiyoshi Irita, Yasufumi Ooishi
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Publication number: 20110205291Abstract: An aqueous ink composition including: a water-soluble polymerizable compound containing two or more polymerizable functional groups each selected from the group consisting of a (meth)acrylamide group, a maleimide group, a vinyl sulfone group, and an N-vinyl amide group, wherein a ratio of a molecular weight of the compound relative to a number of the polymerizable functional groups contained in a single molecule of the compound is 175 or less; a polymerization initiator; and water.Type: ApplicationFiled: February 24, 2011Publication date: August 25, 2011Applicant: FUJIFILM CORPORATIONInventors: Koji YASUDA, Takahiro KATO, Yasufumi OOISHI, Hirotaka KITAGAWA, Toshihiro KAMADA
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Publication number: 20110109708Abstract: The invention provides an aqueous ink composition comprising (A) a colorant, (B) a polymer including a hydrophobic structural unit represented by Formula (1) below, (C) a polymerization initiator, (D) a polymerizable compound including an ethylenically unsaturated bond, and (E) water.Type: ApplicationFiled: October 25, 2010Publication date: May 12, 2011Applicant: FUJIFILM CORPORATIONInventors: Tomoko KUWABARA, Yasufumi OOISHI
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Publication number: 20110057983Abstract: The invention provides an aqueous ink composition including: a) a water-based medium; b) a compound having an ethylenically unsaturated bond; and c) resin particles including a water-insoluble vinyl polymer and a water-insoluble photoinitiator.Type: ApplicationFiled: September 1, 2010Publication date: March 10, 2011Applicant: FUJIFILM CORPORATIONInventors: Takahiro KATO, Takahiro ISHIZUKA, Tomoko KUWABARA, Yasufumi OOISHI
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Publication number: 20110057985Abstract: An ink composition including colored particles is disclosed. The colored particles includes a resin dispersant including at least one radically polymerizable group and at least one aromatic partial structure derived from a compound selected from the group consisting of an aromatic hydrocarbon compound, a condensed ring aromatic hydrocarbon compound, an aromatic heterocyclic compound, a condensed ring aromatic heterocyclic compound, and a compound having two or more aromatic hydrocarbon compounds linked to each other; and a colorant.Type: ApplicationFiled: August 19, 2010Publication date: March 10, 2011Applicant: FUJIFILM CORPORATIONInventors: Ryuki KAKINO, Yasufumi OOISHI
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Publication number: 20110057984Abstract: An aqueous ink composition including a colorant, a polymer including a hydrophobic structural unit (a) represented by the following formula (1), a polymerization initiator, a polymerizable compound including an ethylenically unsaturated bond, and water: wherein, in formula (1), R1 represents a hydrogen atom, a methyl group or a halogen atom; L1 represents —COO—, —OCO—, —CONR2—, —O—, or a substituted or unsubstituted phenylene group; R2 represents a hydrogen atom or an alkyl group having 1 to 10 carbon atoms; L2 represents a single bond or a divalent linking group having 1 to 30 carbon atoms; and R3 represents a hydrogen atom, a hydroxy group, an alkyl group, an alkyloxy group, an aryl group, an arylalkyl group, an aryloxy group, an acyl group, a halogen atom, a cyano group, or a nitro group.Type: ApplicationFiled: September 2, 2010Publication date: March 10, 2011Applicant: FUJIFILM CORPORATIONInventors: Tomoko KUWABARA, Takahiro ISHIZUKA, Yasufumi OOISHI
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Publication number: 20110045184Abstract: An aqueous colorant dispersion including: a colorant (A); and a polymer (B) including a hydrophobic structural unit (a) having an aromatic ring linked via a linking group to an atom included in a main chain, a hydrophilic structural unit (b) having an ionic group, and a structural unit (c) derived from an aliphatic amine or monocyclic aromatic amine.Type: ApplicationFiled: August 9, 2010Publication date: February 24, 2011Applicant: FUJIFILM CORPORATIONInventors: Ryuki KAKINO, Takahiro ISHIZUKA, Yasufumi OOISHI
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Publication number: 20100239759Abstract: An ink composition for ink-jet recording includes a pigment; resin particles having a glass transition temperature of 80° C. or higher; at least one water-soluble organic solvent; and water, and a total mass of solid content in the ink composition for ink-jet recording is 10% by mass or more relative to the ink composition for ink-jet recording, and the at least one water-soluble organic solvent includes at least one organic solvent having an SP value of 27.5 or lower, the amount of the at least one organic solvent having an SP value of 27.5 or lower being 70% by mass or more relative to a total amount of the at least one water-soluble organic solvent. An ink-jet recording method is also provided.Type: ApplicationFiled: March 2, 2010Publication date: September 23, 2010Inventors: Kaoru TOJO, Yasufumi Ooishi, Kyohei Mochizuki, Kiyoshi Irita
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Publication number: 20100201736Abstract: There is provided an ink-jet recording method including supplying an ink-composition onto a recording medium to record an image; and supplying a first treatment liquid containing a first aggregating agent that aggregates components contained in the ink composition.Type: ApplicationFiled: February 4, 2010Publication date: August 12, 2010Inventors: Yasufumi OOISHI, Kiyoshi Iraita
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Publication number: 20100178425Abstract: There is provided an ink composition including a first solvent having a vapor pressure at 20° C. of 0.1 Pa or higher, resin particles having a glass transition temperature of 50° C. or higher, and a coloring material. An ink set and an ink jet image forming method are also provided.Type: ApplicationFiled: December 18, 2009Publication date: July 15, 2010Inventors: Yasufumi Ooishi, Kiyoshi Irita
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Publication number: 20100165018Abstract: An inkjet recording method including recording an image by applying an ink containing a pigment to a recording medium, and fixing an image region by pressure-contacting a pressure-bonding unit against the image region when the tackiness of the image region as measured by a ball tack test method reaches 20 mm or greater.Type: ApplicationFiled: December 18, 2009Publication date: July 1, 2010Inventors: Yasufumi Ooishi, Kiyoshi Irita
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Publication number: 20100080963Abstract: A polymer compound is provided which is excellent in heat resistance and insulating property, and a photosensitive resin composition is provided which includes the polymer compound, and may form a cured pattern or a cured film excellent in pattern forming property, resolution, heat resistance and insulating property. Also, a method for forming a cured pattern excellent in pattern forming property, resolution, heat resistance and insulating property using the photosensitive resin composition, and an electronic device having high reliance for a semiconductor device or for a display device are provided. The photosensitive resin composition includes a polymer compound obtained by reacting a monomer represented by Formula (1) and a monomer represented by Formula (2), and a photosensitizing agent.Type: ApplicationFiled: March 25, 2009Publication date: April 1, 2010Applicant: FUJIFILM CORPORATIONInventors: Masanori HIKITA, Yasufumi OOISHI, Kenichiro SATO
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Publication number: 20100053236Abstract: An ink-jet recording method is provided, which includes (i) supplying on a coated paper a treatment liquid containing 15% by mass or more of a polyvalent metal compound for fixing the components contained in an ink composition and having a viscosity at 25° C. of from 2 mPa·s to 8 mPa·s, in an amount of from ?50% to +50% with respect to the value of ?V [ml/m2] determined by the following Formula (I); and (ii) recording an image by ejecting an ink composition containing a colorant, resin particles, an aqueous organic solvent and water by an ink-jet method on the coated paper to which the treatment liquid has been supplied. Vr represents a roughness index of the coated paper obtained from a measurement of liquid absorbability according to the Bristow method, and Vi represents the amount of transfer at an inflection point where the value of absorption coefficient of the coated paper changes in the measurement of liquid absorbability according to the Bristow method.Type: ApplicationFiled: July 13, 2009Publication date: March 4, 2010Applicant: FUJIFILM CORPORATIONInventors: Yasufumi OOISHI, Kiyoshi IRITA, Toshihiro KARIYA