Patents by Inventor Norihide Shimohara
Norihide Shimohara 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: 20230220230Abstract: Provided is a conductive laminate including a base material and a conductive ink film provided on the base material, in which a region that extends from a position being away from a first main surface toward a second main surface by a distance equivalent to 50% of a thickness of the conductive ink film to the second main surface has a first void ratio of 15% to 50%, and a second void ratio in a region that extends from the first main surface toward the second main surface to a position being away from the first main surface by a distance equivalent to 10% of the thickness of the conductive ink film has a second void ratio which is smaller than the first void ratio.Type: ApplicationFiled: March 8, 2023Publication date: July 13, 2023Applicant: FUJIFILM CorporationInventors: Kotaro MAEDA, Norihide Shimohara
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Publication number: 20230212413Abstract: Provided is a conductive laminate including a base material and a conductive ink film provided on the base material, in which a region that extends from a first main surface toward a second main surface to a position being away from the first main surface by a distance equivalent to 50% of a thickness of the conductive ink film has a first void ratio of 15% to 50%, a region that extends from a position being away from the second main surface toward the first main surface by a distance equivalent to 10% of the thickness of the conductive ink film to the second main surface has a second void ratio which is smaller than the first void ratio, and the conductive ink film comprises at least one metal selected from the group consisting of silver, gold, platinum, nickel, palladium, and copper.Type: ApplicationFiled: February 23, 2023Publication date: July 6, 2023Applicant: FUJIFILM CorporationInventors: Kotaro MAEDA, Norihide SHIMOHARA
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Publication number: 20230106861Abstract: Provided is an ink set for security image recording comprising an infrared-absorbing ink jet ink which contains a polymerizable compound and an infrared absorbing dye and in which a maximum value of an absorbance in a wavelength range of 750 nm to 1,000 nm is larger than a maximum value of an absorbance in a wavelength range of 400 nm to 750 nm, and color ink jet inks which each contain a polymerizable compound and a colored colorant and satisfy a ratio of a maximum value of an absorbance of each of the color ink jet inks in a wavelength range of 750 nm to 1,000 nm to the maximum value of the absorbance of the infrared-absorbing ink jet ink in a wavelength range of 750 nm to 1,000 nm of 0.10 or less. Also provided are applications of the ink set.Type: ApplicationFiled: November 30, 2022Publication date: April 6, 2023Applicant: FUJIFILM CorporationInventors: Norihide Shimohara, Misato Sasada, Hiromichi Numazawa
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Patent number: 9643404Abstract: A pigment dispersion composition contains a pigment, a polymerizable compound, and a compound having a structural unit represented by Formula (A), a structural unit represented by Formula (B), a structural unit represented by Formula (C) derived from polyalkylene oxide having a number average molecular weight of equal to or greater than 300 and less than 5,000, and a structural unit represented by Formula (D), in which a mass ratio [(B)/(C)] is 20/80 to 60/40.Type: GrantFiled: March 18, 2016Date of Patent: May 9, 2017Assignee: FUJIFILM CorporationInventor: Norihide Shimohara
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Publication number: 20160200926Abstract: A pigment dispersion composition contains a pigment, a polymerizable compound, and a compound having a structural unit represented by Formula (A), a structural unit represented by Formula (B), a structural unit represented by Formula (C) derived from polyalkylene oxide having a number average molecular weight of equal to or greater than 300 and less than 5,000, and a structural unit represented by Formula (D), in which a mass ratio [(B)/(C)] is 20/80 to 60/40.Type: ApplicationFiled: March 18, 2016Publication date: July 14, 2016Applicant: FUJIFILM CorporationInventor: Norihide SHIMOHARA
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Patent number: 9267056Abstract: An ink composition includes a graft copolymer including a repeating unit having a partial structure represented by Formula (1) described below and a repeating unit having a hydrophilic group in which a graft chain includes the repeating unit and water.Type: GrantFiled: January 9, 2015Date of Patent: February 23, 2016Assignee: FUJIFILM CorporationInventor: Norihide Shimohara
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Patent number: 9109127Abstract: Provided is an ink composition that can form an image in which bleeding caused when the image is recorded by an ink jet method is inhibited and which has excellent toughness and glossiness and shows excellent adhesiveness with respect to various substrates, even when being dried at a low temperature. The ink composition for an ink jet including (a) an alkyl(meth)acrylate copolymer which contains an alkyl(meth)acrylate having 7 to 22 carbon atoms in total and a repeating unit derived from (meth)acrylic acid and has an acid value of 1.3 mmol/g to 2.0 mmol/g in an unneutralized state, and (b) an aqueous medium containing water.Type: GrantFiled: January 22, 2013Date of Patent: August 18, 2015Assignee: FUJIFILM CorporationInventors: Norihide Shimohara, Ryoichi Nakano
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Patent number: 9068095Abstract: An ink composition with excellent solvent resistance of the recorded image and fixability to a recording medium which may be applicable to an ink jet recording method, and an image forming method using the ink composition are provided. An ink composition which includes a dispersion medium including (a) water, and particles of (b) a polymer compound and (b) the polymer compound includes a repeating unit having a partial structure represented by the following General Formula (1) is provided. In the following General Formula (1), Ra and Rb, each independently, represent an alkyl group having the number of carbon atoms 1 to 4, and Ra and Rb may be bonded to each other to form an alicyclic structure with 4- to 6-membered ring and * represents a bonding site to a main chain or a side chain in the polymer compound.Type: GrantFiled: December 20, 2013Date of Patent: June 30, 2015Assignee: FUJIFILM CorporationInventor: Norihide Shimohara
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Publication number: 20150132544Abstract: An ink composition includes a compound having two or more partial structures represented by the following Formula (A) in a molecule (Component a), a compound selected from the group consisting of a compound represented by the following Formula (B1) and a compound represented by the following Formula (B2) (Component b), and a color material (Component c).Type: ApplicationFiled: January 20, 2015Publication date: May 14, 2015Applicant: FUJIFILM CORPORATIONInventors: Takeyoshi KANO, Norihide SHIMOHARA
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Publication number: 20150118451Abstract: An ink composition includes a graft copolymer including a repeating unit having a partial structure represented by Formula (1) described below and a repeating unit having a hydrophilic group in which a graft chain includes the repeating unit and water.Type: ApplicationFiled: January 9, 2015Publication date: April 30, 2015Applicant: FUJIFILM CORPORATIONInventor: Norihide SHIMOHARA
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Patent number: 8912248Abstract: The present invention provides a pigment dispersion, containing (a) a pigment; and (b) a polymer having a polyurethane bond in a main chain, having at least one polymer chain selected from the group consisting of a polyester, a polyacrylate, a polymethacrylate and a polyalkylene oxide at a side chain of the polymer, and having a partial skeleton that is different from a partial skeleton included in a chemical structure of the pigment, as a pendant of the main chain.Type: GrantFiled: March 2, 2010Date of Patent: December 16, 2014Assignee: FUJIFILM CorporationInventor: Norihide Shimohara
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Patent number: 8905533Abstract: The invention provides an ink composition including: (a) a polymer including a repeating unit (a1) having a group represented by the following Formula (1) and a repeating unit (a2) having a hydrophilic group; (b) a radical polymerizable compound; (c) water; and (d) a colorant; wherein, in Formula (1), each of Ra and Rb independently represents an alkyl group having from 1 to 4 carbon atoms; Ra and Rb may be bound to each other to form a 4- to 6-membered alicyclic structure; and * represents a bonding site.Type: GrantFiled: January 31, 2012Date of Patent: December 9, 2014Assignee: FUJIFILM CorporationInventors: Norihide Shimohara, Koji Hironaka
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Publication number: 20140313268Abstract: The aqueous ink composition contains (A) a polymer that has an SP value of 18.6 to 20 and contains a hydrophilic group-containing repeating unit (a1) of 5% to 45% by mass, (B) a pigment, (C) water, and (D) an organic solvent represented by the following Formula (I).Type: ApplicationFiled: July 3, 2014Publication date: October 23, 2014Applicant: FUJIFILM CORPORATIONInventors: Ryoichi NAKANO, Norihide SHIMOHARA
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Patent number: 8748529Abstract: A pigment dispersion including: 2 to 35% by mass of a pigment (a); 10 to 30 parts by mass of a polymer (b) with respect to 100 parts by mass of the pigment (a), the polymer (b) containing 5 to 30% by mass of a repeating unit represented by the following Formula (1) and having a weight average molecular weight of 10000 to 200000; and 15 to 50 parts by mass of a graft copolymer (c) having a polyalkylene imine chain or a polyallylamine chain in a main chain thereof and a polyester chain in a side chain thereof with respect to 100 parts by mass of the pigment (a), in which a total of the contents of the polymer (b) and the graft copolymer (c) is in the range of 25 to 70 parts by mass with respect to 100 parts by mass of the pigment (a).Type: GrantFiled: March 9, 2011Date of Patent: June 10, 2014Assignee: FUJIFILM CorporationInventors: Norihide Shimohara, Ippei Nakamura
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Publication number: 20140104357Abstract: An ink composition with excellent solvent resistance of the recorded image and fixability to a recording medium which may be applicable to an ink jet recording method, and an image forming method using the ink composition are provided. An ink composition which includes a dispersion medium including (a) water, and particles of (b) a polymer compound and (b) the polymer compound includes a repeating unit having a partial structure represented by the following General Formula (1) is provided. In the following General Formula (1), Ra and Rb, each independently, represent an alkyl group having the number of carbon atoms 1 to 4, and Ra and Rb may be bonded to each other to form an alicyclic structure with 4- to 6-membered ring and * represents a bonding site to a main chain or a side chain in the polymer compound.Type: ApplicationFiled: December 20, 2013Publication date: April 17, 2014Applicant: FUJIFILM CorporationInventor: Norihide SHIMOHARA
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Publication number: 20140015906Abstract: An ink composition includes (component A) a compound having a group represented by the following Formula (1), (component B1) a monofunctional polymerizable compound, and (component C) a coloring material: wherein, in Formula (1), Ra and Rb each independently represent a hydrogen atom or an alkyl group having 1 to 4 carbon atoms; Ra and Rb may be bonded to each other to form a 4- to 6-membered alicyclic structure; Ra and Rb do not represent a hydrogen atom at the same time; and * represents a bonding site.Type: ApplicationFiled: September 17, 2013Publication date: January 16, 2014Applicant: FUJIFILM CORPORATIONInventors: Ippei NAKAMURA, Norihide SHIMOHARA, Koji HIRONAKA
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Publication number: 20130257034Abstract: An ink composition of the present invention includes: (a) a polymer compound which includes a repeating unit (a-1) having a partial structure expressed by the following General Formula (1), a repeating unit (a-2) which has a hydrophilic group and accounts for 8% to 25% by mass with respect to the total mass of the polymer compound, and a repeating unit (a-3) having a hydrophobic group, the polymer compound having a solubility parameter in an unneutralized state of 20.7 MPa1/2 to 23.0 MPa1/2, (b) water; and (c) a water-soluble organic solvent.Type: ApplicationFiled: March 26, 2013Publication date: October 3, 2013Applicant: FUJIFILM CORPORATIONInventors: Norihide SHIMOHARA, Ryoichi NAKANO
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Patent number: 8293837Abstract: The present invention provides a pigment dispersion, including: (a) a pigment; and (b) a polymer compound as a dispersant for the pigment (a), wherein the polymer compound includes a urethane bond in a main chain, includes a pendant moiety containing a skeleton which is the same as a partial skeleton of the pigment (a), and further includes, at a side chain, at least one polymer chain selected from the group consisting of a polyester chain, a poly(meth)acrylate chain, and a polyalkylene oxide chain, and wherein the molecular weight of the skeleton which is the same as a partial skeleton of the pigment (a) is from 20 to 70% of the molecular weight of the pigment (a).Type: GrantFiled: March 2, 2010Date of Patent: October 23, 2012Assignee: FUJIFILM CorporationInventor: Norihide Shimohara
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Publication number: 20120200653Abstract: The invention provides an ink composition including: (a) a polymer including a repeating unit (a1) having a group represented by the following Formula (1) and a repeating unit (a2) having a hydrophilic group; (b) a radical polymerizable compound; (c) water; and (d) a colorant; wherein, in Formula (1), each of Ra and Rb independently represents an alkyl group having from 1 to 4 carbon atoms; Ra and Rb may be bound to each other to form a 4- to 6-membered alicyclic structure; and * represents a bonding site.Type: ApplicationFiled: January 31, 2012Publication date: August 9, 2012Applicant: FUJIFILM CORPORATIONInventors: Norihide SHIMOHARA, Koji HIRONAKA
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Patent number: 8173226Abstract: A polymerizable compound represented by the following formula (1): wherein, in the formula (1), R1 represents any one of a hydrogen atom, a substituted alkyl group, and an unsubstituted alkyl group; R2 represents an alkylene group; W represents any one of —CO—, —C(?O)O—, —CONH—, —OC(?O)—, and a phenylene group; X represents any one of —CO—, —NHCO—, —OC(?O)—, —CH(OH)CH2—, and —SO2—; R3 and R4 represent a monovalent substituent; R3 and R4 may be bound to each other to form a ring structure; and m and n each independently represent 0 or 1.Type: GrantFiled: March 20, 2008Date of Patent: May 8, 2012Assignee: FUJIFILM CorporationInventors: Norihide Shimohara, Hisato Nagase, Shigetomo Tsujihata