Patents by Inventor Toshihiro Kariya
Toshihiro Kariya 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: 20110242193Abstract: There is disclosed an inkjet image forming method. The method includes recording an image on a recording medium by an inkjet method; supplying a liquid including powder particles having a volume-average particle diameter of 1 ?m or more to a surface of a heating roller; and applying the powder particles onto the recording medium via the heating roller.Type: ApplicationFiled: March 29, 2011Publication date: October 6, 2011Applicant: FUJIFILM CORPORATIONInventors: Toshihiro KARIYA, Kaoru TOJO
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Publication number: 20110242200Abstract: An image forming method including applying an ink composition onto a recording medium by an inkjet method, and applying an liquid including particles onto the recording medium is disclosed.Type: ApplicationFiled: March 29, 2011Publication date: October 6, 2011Applicant: FUJIFILM CORPORATIONInventors: Kaoru TOJO, Toshihiro KARIYA, Terukazu YANAGI, Akio TAMURA, Minoru SAKAI
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Patent number: 8017552Abstract: A heat-sensitive transfer sheet having on a support at least one thermal transfer layer of a yellow color, at least one thermal transfer layer of a magenta color, at least one thermal transfer layer of a cyan color and at least one releasable, thermally-transferable protective layer, wherein the thermal transfer layer of each color contains a release agent and contents of the release agent in the thermal transfer layers are reduced in a frame-sequential mode.Type: GrantFiled: March 28, 2008Date of Patent: September 13, 2011Assignee: FUJIFILM CorporationInventor: Toshihiro Kariya
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Publication number: 20100203247Abstract: There is provided an ink set including an aqueous ink composition and a maintenance liquid. The aqueous ink composition includes water; a pigment; resin particles having a minimum film-forming temperature MFT0, which is a minimum film-forming temperature obtained when the resin particles are dispersed in water, of 60° C. or higher; and a water-soluble organic solvent, wherein a minimum film-forming temperature MFT25 of the resin particles, which is a minimum film-forming temperature obtained when the resin particles are mixed with the water-soluble organic solvent in an amount of 25% by mass relative to the solid content of the resin particles, and water, is at least 40° C. lower than MFT0. The maintenance liquid includes an organic solvent and water. There is also provided an image recording method.Type: ApplicationFiled: February 1, 2010Publication date: August 12, 2010Inventors: Toshihiro Kariya, Terukazu Yanagi, Yoshimitsu Arai, Akio Tamura
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Publication number: 20100201737Abstract: The invention provides an ink set including: an ink composition which contains a colorant, resin microparticles, a water-soluble organic solvent, and water; and a reaction liquid which contains an anionic surfactant and a reactant for producing aggregates by contact with the ink composition. The invention also provides an image recording method using the ink set, including: applying the reaction liquid on a recording medium; and applying the ink composition on the recording medium on which the reaction liquid has been applied.Type: ApplicationFiled: April 19, 2010Publication date: August 12, 2010Applicant: FUJIFILM CORPORATIONInventor: Toshihiro Kariya
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Publication number: 20100196604Abstract: The present invention provides an ink set for ink-jet recording comprising: a water-based ink composition which includes water, a coloring material, and resin particles having a minimum film-forming temperature MFT0 of 60° C. or higher when prepared as an aqueous dispersion; and an aqueous treatment liquid which includes water, an aggregation agent that forms an aggregate when contacted with the water-based ink composition, and a water-soluble organic solvent prepared such that a minimum film-forming temperature MFT25 of the resin particles is at least 50° C. lower than MFT0 in the aqueous dispersion when a mixed liquid is prepared wherein the mixed liquid includes a mixture of the resin particles, water, and the water-soluble organic solvent in an amount of 25% by mass relative to the solid content of the resin particles; and an ink-jet recording method using the ink set.Type: ApplicationFiled: January 28, 2010Publication date: August 5, 2010Inventors: Toshihiro KARIYA, Terukazu Yanagi
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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
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Publication number: 20100047456Abstract: An ink-jet recording method is provided. The method includes recording an image by ejecting, using an ink-jet method, an aqueous ink containing a colorant, resin particles, a water-soluble organic solvent and water onto a coated paper having a Ka value with respect to water, which is obtained by measuring liquid absorbability according to the Bristow method, of from 0.1 ml·m?2·msec?1/2 to 0.3 ml·m?2·msec?1/2; and supplying, onto the coated paper, an aqueous treatment liquid containing a fixing agent for fixing the components contained in the aqueous ink, and a water-soluble organic solvent which is contained in an amount of 70% by mass or more relative to the total amount of water-soluble organic solvents contained in the aqueous treatment liquid, and has an SP value of 27.5 or less and a boiling point at 101.3 kPa of from 230° C. to 280° C.Type: ApplicationFiled: July 7, 2009Publication date: February 25, 2010Applicant: FUJIFILM CORPORATIONInventor: Toshihiro KARIYA
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Publication number: 20100007687Abstract: An ink-jet recording method is provided. The ink-jet recording method includes (i) supplying an aqueous treatment liquid containing a fixing agent for fixing the components contained in an aqueous ink, on an art paper or a coat paper, in an amount of from ?50% to +30% with respect to the value of ?V [ml/m2] determined by the following formula (I), and (ii) recording an image by ejecting an aqueous ink containing a colorant, resin particles, an aqueous organic solvent and water, on the art paper or coat paper by an ink-jet method. In Formula (I), Vr represents a roughness index of the art paper or coat paper obtained from a measurement of liquid absorbability according to the Bristow method, and Vi represents an amount of transfer at the inflection point where the value of the absorption coefficient of the art paper or coat paper changes in the measurement of liquid absorbability according to the Bristow method.Type: ApplicationFiled: July 8, 2009Publication date: January 14, 2010Applicant: FUJIFILM CORPORATIONInventor: Toshihiro KARIYA
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Publication number: 20090234067Abstract: The invention provides an ink set including: an ink composition which contains a colorant, resin microparticles, a water-soluble organic solvent, and water; and a reaction liquid which contains an anionic surfactant and a reactant for producing aggregates by contact with the ink composition. The invention also provides an image recording method using the ink set, including: applying the reaction liquid on a recording medium; and applying the ink composition on the recording medium on which the reaction liquid has been applied.Type: ApplicationFiled: March 10, 2009Publication date: September 17, 2009Applicant: FUJIFILM CORPORATIONInventor: Toshihiro Kariya
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Publication number: 20090128611Abstract: An image forming method including forming an image using a recording medium, an ink composition and a liquid composition, wherein the recording medium includes a base paper, a first layer containing a binder, and a second layer containing a white pigment, the first and second layers being laid in this order on the base paper, and wherein the base paper on which the first layer has been formed has a Cobb-water absorption degree of 5.0 g/m2 or less as measured according to JIS P8140 with a contact time of 15 sec, the base paper on which the first and second layers have been formed has a water absorption amount of 2 mL/m2 to 8 mL/m2 as measured by the Bristow method with a contact time being 0.5 sec, the ink composition contains a pigment and water, and the liquid composition contains any one of polyvalent metal salt and cationic polymer.Type: ApplicationFiled: November 18, 2008Publication date: May 21, 2009Applicant: FUJIFILM CorporationInventors: Toshihiro Kariya, Hiroshi Yamamoto
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Patent number: 7527922Abstract: A silver halide color photographic light-sensitive material having, on a support, at least one red-sensitive silver halide emulsion layer, at least one green-sensitive silver halide emulsion layer and at least one blue-sensitive silver halide emulsion layer, characterized in that at least one of the silver halide emulsion layers contains a silver halide emulsion having a silver chloride content of 90 mole % or above, the silver halide emulsion contains at least one kind of selenium compound, and the silver halide emulsion layer containing the silver halide emulsion has a characteristic curve satisfying the following relation (1); 2.0??H/?L?0.5??Relation (1) wherein ? represents a gradient of the characteristic curve, ?H represents a gradient in the case of 1×10?6-second exposure and ?L represents a gradient in the case of 100-second exposure.Type: GrantFiled: March 10, 2005Date of Patent: May 5, 2009Assignee: FUJIFILM CorporationInventors: Shigeru Shibayama, Toshihiro Kariya, Akito Yokozawa, Kenji Naoi, Katsuhisa Ohzeki, Hiroyuki Suzuki
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Patent number: 7465534Abstract: A silver halide emulsion containing silver halide grains with a silver chloride content of at least 95 mole %, being sensitized with selenium and gold, and further containing at least two compounds each having a function of oxidizing metallic silver clusters; a silver halide photographic material containing the same; and a silver halide photographic material having red-, green, and blue-sensitive silver halide emulsion layers, wherein one of the emulsion layers contains a silver halide emulsion with a silver chloride content of at least 95 mole %, and the silver halide emulsion contains a selenium compound and a metal complex of formula (D1); [MD1XD1nLD1(6-n)]m??formula (D1) wherein MD1 represents Cr, Mo, Re, Fe, Ru, Os, Co, Rh, Pd, or Pt; XD1 represents a halogen ion; LD1 represents a ligand other than XD1; n represents 3, 4, 5, or 6; and m represents 4-, 3-, 2-, 1-, 0 or 1+.Type: GrantFiled: February 7, 2007Date of Patent: December 16, 2008Assignee: FUJIFILM CorporationInventors: Katsuhisa Ohzeki, Hiroyuki Suzuki, Toshihiro Kariya
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Publication number: 20080248949Abstract: A heat-sensitive transfer sheet having on a support at least one thermal transfer layer of a yellow color, at least one thermal transfer layer of a magenta color, at least one thermal transfer layer of a cyan color and at least one releasable, thermally-transferable protective layer, wherein the thermal transfer layer of each color contains a release agent and contents of the release agent in the thermal transfer layers are reduced in a frame-sequential mode.Type: ApplicationFiled: March 28, 2008Publication date: October 9, 2008Applicant: FUJIFILM CorporationInventor: Toshihiro Kariya
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Patent number: 7407740Abstract: A silver halide color photographic light-sensitive material, having, on a support, at least one silver halide emulsion layer containing a cyan dye forming coupler, at least one silver halide emulsion layer containing a magenta dye forming coupler, and at least one silver halide emulsion layer containing a yellow dye forming coupler, wherein at least one layer of said at least one silver halide emulsion layer containing a cyan dye forming coupler contains high-silver chloride emulsion grains, which are selenium-sensitized and have a silver chloride content of 90 mol % or more, and contains at least one coupler of formula (I): wherein R? and R? each independently are a substituent; and Z is a hydrogen atom, or a group capable of being split-off upon coupling reaction with an oxidized aromatic primary amine color-developing agent.Type: GrantFiled: September 30, 2005Date of Patent: August 5, 2008Assignee: FUJIFILM CorporationInventors: Toshihiro Kariya, Hiroyuki Suzuki
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Patent number: 7303863Abstract: A silver halide emulsion, which is chemically sensitized by a compound of formula (1): wherein Ch represents a sulfur, selenium, or tellurium atom; X1 represents NR1 or N+(R2)R3Y?; R1 represents a hydrogen atom or a substituent; R2 and R3 each represent an alkyl group or another substituent; Y? represents an anionic ion; X2 represents OR4, N(R5)R6, or another substituent; R4 to R6 each represent a hydrogen atom or a substituent; and E is a group selected from groups represented by formula (2) to (5): wherein, in formulas (2) to (5), Z represents a hydrogen atom or a substituent; A1 and A2 each represent an oxygen atom, etc.; and R10 to R16 each represent a hydrogen atom or a substituent; W represents a substituent; n is an integer from 0 to 4; L represents a divalent linking group; and EWG represents an electron withdrawing group.Type: GrantFiled: February 17, 2006Date of Patent: December 4, 2007Assignee: FUJIFILM CorporationInventors: Hiroyuki Suzuki, Toshihiro Kariya
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Publication number: 20070254248Abstract: A silver halide color photographic light-sensitive material, having, on a support, at least one silver halide emulsion layer containing a cyan dye forming coupler, at least one silver halide emulsion layer containing a magenta dye forming coupler, and at least one silver halide emulsion layer containing a yellow dye forming coupler, wherein at least one layer of said at least one silver halide emulsion layer containing a cyan dye forming coupler contains high-silver chloride emulsion grains, which are selenium-sensitized and have a silver chloride content of 90 mol % or more, and contains at least one coupler of formula (I): wherein R? and R? each independently are a substituent; and Z is a hydrogen atom, or a group capable of being split-off upon coupling reaction with an oxidized aromatic primary amine color-developing agent.Type: ApplicationFiled: September 30, 2005Publication date: November 1, 2007Applicant: Fujifilm CorporationInventors: Toshihiro Kariya, Hiroyuki Suzuki
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Publication number: 20070202448Abstract: A silver halide color photographic light-sensitive material having, on a support, at least one red-sensitive silver halide emulsion layer, at least one green-sensitive silver halide emulsion layer and at least one blue-sensitive silver halide emulsion layer, characterized in that at least one of the silver halide emulsion layers contains a silver halide emulsion having a silver chloride content of 90 mole % or above, the silver halide emulsion contains at least one kind of selenium compound, and the silver halide emulsion layer containing the silver halide emulsion has a characteristic curve satisfying the following relation (1); 2.0??H/?L?0.5??Relation (1) wherein ? represents a gradient of the characteristic curve, ?H represents a gradient in the case of 1×10?6-second exposure and ?L represents a gradient in the case of 100-second exposure.Type: ApplicationFiled: March 10, 2005Publication date: August 30, 2007Inventors: Shigeru Shibayama, Toshihiro Kariya, Akito Yokozawa, Kenji Naoi, Katsuhisa Ohzeki, Hiroyuki Suzuki
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Patent number: 7262002Abstract: A silver halide emulsion containing silver halide grains with a silver chloride content of at least 95 mole %, being sensitized with selenium and gold, and further containing at least two compounds each having a function of oxidizing metallic silver clusters; a silver halide photographic material containing the same; and a silver halide photographic material having red-, green, and blue-sensitive silver halide emulsion layers, wherein one of the emulsion layers contains a silver halide emulsion with a silver chloride content of at least 95 mole %, and the silver halide emulsion contains a selenium compound and a metal complex of formula (D1); [MD1XD1nLD1(6-n)]m ??formula (D1) wherein MD1 represents Cr, Mo, Re, Fe, Ru, Os, Co, Rh, Pd, or Pt; XD1 represents a halogen ion; LD1 represents a ligand other than XD1; n represents 3, 4, 5, or 6; and m represents 4?, 3?, 2?, 1?, 0, or 1+.Type: GrantFiled: March 7, 2005Date of Patent: August 28, 2007Assignee: Fuji Photo Film Co., Ltd.Inventors: Katsuhisa Ohzeki, Hiroyuki Suzuki, Toshihiro Kariya
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Publication number: 20070141518Abstract: A silver halide emulsion containing silver halide grains with a silver chloride content of at least 95 mole %, being sensitized with selenium and gold, and further containing at least two compounds each having a function of oxidizing metallic silver clusters; a silver halide photographic material containing the same; and a silver halide photographic material having red-, green, and blue-sensitive silver halide emulsion layers, wherein one of the emulsion layers contains a silver halide emulsion with a silver chloride content of at least 95 mole %, and the silver halide emulsion contains a selenium compound and a metal complex of formula (D1); [MD1XD1nLD1(6-n)]m??formula (D1) wherein MD1 represents Cr, Mo, Re, Fe, Ru, Os, Co, Rh, Pd, or Pt; XD1 represents a halogen ion; LD1 represents a ligand other than XD1; n represents 3, 4, 5, or 6; and m represents 4-, 3-, 2-, 1-, 0 or 1+.Type: ApplicationFiled: February 7, 2007Publication date: June 21, 2007Inventors: Katsuhisa Ohzeki, Hiroyuki Suzuki, Toshihiro Kariya