Patents by Inventor Hironori Ohnishi
Hironori Ohnishi 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: 8344045Abstract: An ink composition is provided that includes (A) a polymerizable silicone compound having an ethylenically unsaturated group and a silicone chain, (B) tetrahydrofurfuryl (meth)acrylate, and (C) a radical polymerization initiator. There are also provided an inkjet recording method that includes (a1) a step of discharging onto a recording medium the ink composition and (b1) a step of curing the ink composition by irradiating the discharged ink composition with actinic radiation, a printed material obtained by the inkjet recording method, and a process for producing a formed printed material that includes (a2) a step of forming an image on a support by discharging the ink composition by an inkjet method, (b2) a step of obtaining a printed material having a cured image on the support by irradiating the obtained image with actinic radiation so as to cure the ink composition, and (c2) a step of molding the printed material.Type: GrantFiled: March 17, 2010Date of Patent: January 1, 2013Assignee: FUJIFILM CorporationInventors: Hironori Ohnishi, Kazuhiro Yokoi
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Patent number: 8158212Abstract: An ink composition is provided that includes (A) an N-vinyllactam, (B) another polymerizable compound, (C) a polymerization initiator, and (D) a basic compound, the content of the N-vinyllactam (A) being less than 15 wt % of the total weight of the ink composition. There is also provided an inkjet recording method that includes (a1) a step of discharging the ink composition onto a recording medium and (b1) a step of curing the ink composition by irradiating the discharged ink composition with actinic radiation. There is also provided a printed material recorded by the inkjet recording method.Type: GrantFiled: February 15, 2008Date of Patent: April 17, 2012Assignee: FUJIFILM CorporationInventors: Kaoru Tojo, Hironori Ohnishi
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Patent number: 8053169Abstract: An ink composition is provided that includes (A) an N-vinyllactam, (B) a polymerization initiator, and (C) a basic compound, the content of the N-vinyllactam (A) being at least 15 wt % of the total weight of the ink composition. There is also provided an inkjet recording method that includes (a1) a step of discharging the ink composition onto a recording medium, and (b1) a step of curing the ink composition by irradiating the discharged ink composition with actinic radiation. Furthermore, a printed material obtained using the ink composition is provided. Moreover, there is provided a process for producing a lithographic printing plate that includes (a2) a step of discharging the ink composition onto a hydrophilic support, and (b2) a step of curing the ink composition by irradiating the discharged ink composition with actinic radiation so as to form a hydrophobic image on the hydrophilic support by curing the ink composition.Type: GrantFiled: July 30, 2007Date of Patent: November 8, 2011Assignee: Fujifilm CorporationInventor: Hironori Ohnishi
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Publication number: 20100239830Abstract: An ink composition is provided that includes (A) a polymerizable silicone compound having an ethylenically unsaturated group and a silicone chain, (B) tetrahydrofurfuryl (meth)acrylate, and (C) a radical polymerization initiator. There are also provided an inkjet recording method that includes (a1) a step of discharging onto a recording medium the ink composition and (b1) a step of curing the ink composition by irradiating the discharged ink composition with actinic radiation, a printed material obtained by the inkjet recording method, and a process for producing a formed printed material that includes (a2) a step of forming an image on a support by discharging the ink composition by an inkjet method, (b2) a step of obtaining a printed material having a cured image on the support by irradiating the obtained image with actinic radiation so as to cure the ink composition, and (c2) a step of molding the printed material.Type: ApplicationFiled: March 17, 2010Publication date: September 23, 2010Applicant: FUJIFILM CORPORATIONInventors: Hironori Ohnishi, Kazuhiro Yokoi
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Publication number: 20100075119Abstract: An ink composition is provided that includes (A), an N-vinyllactam, (B) another polymerizable compound, (C) a polymerization initiator, (D) a basic compound, and (E) an oil-soluble dye having an oxidation potential of equal to or higher than 1.0 V (vs. SCEs); wherein of the total weight of the N-vinyllactam (A) and the other polymerizable compound (B) not less than 65 wt % is a monofunctional polymerizable compound. There is also provided an inkjet recording method that includes a step of discharging the ink composition onto a recording medium and a step of curing the ink composition by irradiating the discharged ink composition with actinic radiation. There is also provided a printed material recorded by the inkjet recording method.Type: ApplicationFiled: September 23, 2009Publication date: March 25, 2010Applicant: FUJIFILM CorporationInventor: Hironori OHNISHI
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Publication number: 20090244116Abstract: An inkjet recording method is provided that includes a preparatory step of preparing an ink set comprising at least ink composition A comprising (a-1) a polymerization initiator and (b-1) a polymerizable compound, at least 65 wt % of the total weight of the polymerizable compound (b-1) being a monofunctional polymerizable compound, and ink composition B comprising (a-2) a polymerization initiator and (b-2) a polymerizable compound, at least 50 wt % of the total weight of the polymerizable compound (b-2) being a polyfunctional polymerizable compound; and a selection step of selecting, as an ink composition used, ink composition A, ink composition B, or the proportions of ink composition A and ink composition B used according to the characteristics and/or the composition of a support used.Type: ApplicationFiled: March 5, 2009Publication date: October 1, 2009Applicant: FUJIFILM CorporationInventor: Hironori OHNISHI
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Publication number: 20080286484Abstract: An ink composition is provided that includes (A) an N-vinyllactam, (B) another polymerizable compound, (C) a polymerization initiator, and (D) a basic compound, the content of the N-vinyllactam (A) being less than 15 wt % of the total weight of the ink composition. There is also provided an inkjet recording method that includes (a1) a step of discharging the ink composition onto a recording medium and (b1) a step of curing the ink composition by irradiating the discharged ink composition with actinic radiation. There is also provided a printed material recorded by the inkjet recording method.Type: ApplicationFiled: February 15, 2008Publication date: November 20, 2008Applicant: FUJIFILM CORPORATIONInventors: Kaoru TOJO, Hironori OHNISHI
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Patent number: 7416836Abstract: An alkaline developing solution for development of a presensitized plate for use in making a lithographic printing plate, which developing solution comprises a polyoxyalkylene adduct of alkylene diamine, a polyoxyalkylene compound having an acid radical, and an anionic surfactant; a method for making a lithographic printing plate comprising the steps of: light-exposing a presensitized plate for use in making a lithographic printing plate; and developing the light-exposed plate with an alkaline developing solution comprising a polyoxyalkylene adduct of alkylene diamine, a polyoxyalkylene compound having an acid radical, and an anionic surfactant.Type: GrantFiled: December 22, 2006Date of Patent: August 26, 2008Assignee: Fujifilm CorporationInventor: Hironori Ohnishi
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Publication number: 20080074480Abstract: An ink composition is provided that includes (A) an N-vinyllactam, (B) a polymerization initiator, (C) a basic compound, (D) a colorant, and (E) a dispersant, the content of the N-vinyllactam (A) being at least 15 wt % of the total weight of the ink composition, and the dispersant (E) being an acidic dispersant. There is also provided an inkjet recording method that includes (a1) a step of discharging the ink composition onto a recording medium, and (b1) a step of curing the ink composition by irradiating the discharged ink composition with actinic radiation. Furthermore, there is provided a printed material recorded by the inkjet recording method.Type: ApplicationFiled: September 19, 2007Publication date: March 27, 2008Applicant: FUJIFILM CORPORATIONInventors: Kaoru TOJO, Hironori OHNISHI
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Publication number: 20080063981Abstract: An ink composition is provided that includes (A) an N-vinyllactam, (B) a polymerization initiator, and (C) a basic compound, the content of the N-vinyllactam (A) being at least 15 wt % of the total weight of the ink composition. There is also provided an inkjet recording method that includes (a1) a step of discharging the ink composition onto a recording medium, and (b1) a step of curing the ink composition by irradiating the discharged ink composition with actinic radiation. Furthermore, a printed material obtained using the ink composition is provided. Moreover, there is provided a process for producing a lithographic printing plate that includes (a2) a step of discharging the ink composition onto a hydrophilic support, and (b2) a step of curing the ink composition by irradiating the discharged ink composition with actinic radiation so as to form a hydrophobic image on the hydrophilic support by curing the ink composition.Type: ApplicationFiled: July 30, 2007Publication date: March 13, 2008Applicant: FUJIFILM CorporationInventor: Hironori Ohnishi
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Publication number: 20070099120Abstract: An alkaline developing solution for development of a presensitized plate for use in making a lithographic printing plate, which developing solution comprises a polyoxyalkylene adduct of alkylene diamine, a polyoxyalkylene compound having an acid radical, and an anionic surfactant; a method for making a lithographic printing plate comprising the steps of: light-exposing a presensitized plate for use in making a lithographic printing plate; and developing the light-exposed plate with an alkaline developing solution comprising a polyoxyalkylene adduct of alkylene diamine, a polyoxyalkylene compound having an acid radical, and an anionic surfactant.Type: ApplicationFiled: December 22, 2006Publication date: May 3, 2007Applicant: Fuji Photo Film Co., Ltd.Inventor: Hironori Ohnishi
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Patent number: 7018777Abstract: A method of making a printing plate from a heat-sensitive PS plate of a positive-working mode for lithographic printing includes the steps of exposing the heat-sensitive PS plate to light and developing the PS plate using an alkaline developing solution containing at least one surfactant selected from the group consisting of anionic surfactants and ampholytic surfactants, and a salt selected from the group consisting of alkali metal salts and ammonium cation salts. The PS plate has a substrate and an image forming layer formed thereon, the image forming layer including a lower layer which is formed on the substrate and contains a water-insoluble and alkali-soluble resin and an upper heat-sensitive layer which is overlaid on the lower layer and contains a water-insoluble and alkali-soluble resin and an infrared absorption dye and exhibits an elevated solubility with respect to alkaline aqueous solutions when heated.Type: GrantFiled: September 10, 2003Date of Patent: March 28, 2006Assignee: Fuji Photo Film Co., Ltd.Inventor: Hironori Ohnishi
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Publication number: 20050175942Abstract: An alkaline developing solution for development of a presensitized plate for use in making a lithographic printing plate, which developing solution comprises a polyoxyalkylene adduct of alkylene diamine, a polyoxyalkylene compound having an acid radical, and an anionic surfactant; a method for making a lithographic printing plate comprising the steps of: light-exposing a presensitized plate for use in making a lithographic printing plate; and developing the light-exposed plate with an alkaline developing solution comprising a polyoxyalkylene adduct of alkylene diamine, a polyoxyalkylene compound having an acid radical, and an anionic surfactant.Type: ApplicationFiled: February 7, 2005Publication date: August 11, 2005Applicant: Fuji Photo Film Co., Ltd.Inventor: Hironori Ohnishi
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Publication number: 20050003311Abstract: The present invention relates to a method for developing a lithographic printing plate precursor suitable for applying a positive-working lithographic printing plate precursor for infrared laser which is used for direct plate making.Type: ApplicationFiled: June 30, 2004Publication date: January 6, 2005Applicant: Fuji Photo Film Co., Ltd.Inventor: Hironori Ohnishi
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Publication number: 20040053168Abstract: A method of making a printing plate from a heat-sensitive PS plate of a positive-working mode for lithographic printing includes the steps of exposing the heat-sensitive PS plate to light and developing the PS plate using an alkaline developing solution containing at least one surfactant selected from the group consisting of anionic surfactants and ampholytic surfactants, and a salt selected from the group consisting of alkali metal salts and ammonium cation salts. The PS plate has a substrate and an image forming layer formed thereon, the image forming layer including a lower layer which is formed on the substrate and contains a water-insoluble and alkali-soluble resin and an upper heat-sensitive layer which is overlaid on the lower layer and contains a water-insoluble and alkali-soluble resin and an infrared absorption dye and exhibits an elevated solubility with respect to alkaline aqueous solutions when heated.Type: ApplicationFiled: September 10, 2003Publication date: March 18, 2004Applicant: FUJI PHOTO FILM CO., LTD.Inventor: Hironori Ohnishi
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Patent number: 6423458Abstract: A monitoring method of a developing solution for lithographic printing plates, which comprises, when a large number of lithographic printing plates are processed by use of an automatic developing processor, adding a tracing substance stable under alkaline conditions to light-sensitive layers of the lithographic printing plates, or one or both of the developing solution which has been provided at the beginning of development and a development replenisher, and then measuring the amount of said tracing substance in the developing solution during development, thereby judging processing ability of the developing solution.Type: GrantFiled: February 5, 2001Date of Patent: July 23, 2002Assignee: Fuji Photo Film Co., Ltd.Inventor: Hironori Ohnishi
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Publication number: 20010037742Abstract: A monitoring method of a developing solution for lithographic printing plates, which comprises, when a large number of lithographic printing plates are processed by use of an automatic developing processor, adding a tracing substance stable under alkaline conditions to light-sensitive layers of the lithographic printing plates, or one or both of the developing solution which has been provided at the beginning of development and a development replenisher, and then measuring the amount of said tracing substance in the developing solution during development, thereby judging processing ability of the developing solution.Type: ApplicationFiled: February 5, 2001Publication date: November 8, 2001Inventor: Hironori Ohnishi