Patents by Inventor Ayato SATO
Ayato SATO 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: 11938717Abstract: An image recording method includes a step of preparing a first ink containing water and at least one selected from the group consisting of a chromatic colorant and a black colorant, a step of preparing a second ink containing a white colorant and water, an applying step of applying each of the first ink and the second ink onto a resin base material by an ink jet method, and a drying step of including irradiating the first ink and the second ink applied onto the resin base material with microwaves.Type: GrantFiled: May 4, 2022Date of Patent: March 26, 2024Assignee: FUJIFILM CorporationInventors: Ayato Sato, Noriaki Maida, Hidetoshi Kawasaki, Takeshi Miyato
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Ink set, image recording method, method of producing laminate, image recorded material, and laminate
Patent number: 11939483Abstract: Provided are an ink set which is used for recording an image on a surface having a surface energy of 40 mN/m or greater and included in an impermeable base material, the ink set including an ink containing water, a colorant, and resin particles, and a pretreatment liquid containing water and resin particles, in which the resin particles contained in the pretreatment liquid include at least one of a mixture of acrylic resin particles and polyester resin particles or composite particles including an acrylic resin and a polyester resin, and the resin particles contained in the ink include at least one of acrylic resin particles or polyurethane resin particles; an image recording method; a method of producing a laminate; an image recorded material; and a laminate.Type: GrantFiled: August 14, 2020Date of Patent: March 26, 2024Assignee: FUJIFILM CORPORATIONInventors: Yusuke Fujii, Ayato Sato, Takeshi Miyato -
Publication number: 20240043712Abstract: Provided are an ink jet ink set for an impermeable base material, including a pretreatment liquid containing a resin and water, and an ink containing a pigment, a resin, and water, in which an equilibrium moisture content of a solid content in the pretreatment liquid at 25° C. and 50% RH is 3.0% by mass or less, and an equilibrium moisture content of a solid content in the ink at 25° C. and 50% RH is 3.0% by mass or less, and applications thereof.Type: ApplicationFiled: July 17, 2023Publication date: February 8, 2024Applicant: FUJIFILM CorporationInventors: Ayato SATO, Toshihiro KARIYA, Takeshi MIYATO
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Patent number: 11566143Abstract: Provided are an image forming method including a step of preparing an ink which contains water and an organic solvent A having a vapor pressure of 0.20 kPa or less at 20° C. and in which a content of the organic solvent A is 10% by mass or greater, a step of preparing an aggregating liquid containing an aggregating agent, a step of preparing an overcoat liquid which contains a resin and an organic solvent B having a vapor pressure of 2.50 kPa or greater at 20° C. and in which a content of the organic solvent B is 10% by mass or greater, a step of applying the aggregating liquid onto an impermeable base material, a step of applying the ink to at least a portion of a region to which the aggregating liquid has been applied according to an ink jet method to form an image, and a step of applying the overcoat liquid onto the region to which the aggregating liquid has been applied in the impermeable base material, on which the image has been formed; and an ink set.Type: GrantFiled: March 17, 2020Date of Patent: January 31, 2023Assignee: FUJIFILM CorporationInventors: Yusuke Fujii, Takeshi Miyato, Ayato Sato
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Patent number: 11497731Abstract: An object is to provide a compound having ?-lactamase inhibitory activity. The object is achieved by a compound represented by formula (1), typified by a compound in which specific positions of a 5-membered ring having planarity are replaced by sulfamoyl and carboxy groups.Type: GrantFiled: May 14, 2019Date of Patent: November 15, 2022Assignee: NATIONAL UNIVERSITY CORPORATION TOKAI NATIONAL HIGHER EDUCATION AND RESEARCH SYSTEMInventors: Yoshichika Arakawa, Jun-ichi Wachino, Kouji Kimura, Wan Chun Jin, Ayato Sato
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Patent number: 11433686Abstract: Provided are a method of producing a recording medium, including a step of preparing a liquid A which includes at least one kind of aggregating agent selected from the group consisting of an acid, a polyvalent metal compound, and a metal complex, and water, a step of preparing a liquid B which includes a resin and water, a step of mixing the liquid A with the liquid B at an ambient temperature of 5° C. to 40° C. to obtain a mixed solution, a step of storing the mixed solution at an ambient temperature of 5° C. to 40° C., and a step of applying the mixed solution after the storage onto an impermeable base material within 30 days from the start of mixing the liquid A with the liquid B to obtain a recording medium; and an image recording method.Type: GrantFiled: July 27, 2020Date of Patent: September 6, 2022Assignee: FUJIFILM CORPORATIONInventors: Ayato Sato, Yusuke Fujii, Takeshi Miyato
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Publication number: 20220258495Abstract: An image recording method includes a step of preparing a first ink containing water and at least one selected from the group consisting of a chromatic colorant and a black colorant, a step of preparing a second ink containing a white colorant and water, an applying step of applying each of the first ink and the second ink onto a resin base material by an ink jet method, and a drying step of including irradiating the first ink and the second ink applied onto the resin base material with microwaves.Type: ApplicationFiled: May 4, 2022Publication date: August 18, 2022Applicant: FUJIFILM CorporationInventors: Ayato SATO, Noriaki MAIDA, Hidetoshi KAWASAKI, Takeshi MIYATO
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Publication number: 20220227154Abstract: A method of producing an image recorded material is a method including an image recording of sequentially applying a pretreatment liquid containing an aggregating agent, a first ink containing a first resin, and a second ink containing a second resin onto an impermeable base material to record an image, in which in the image recording, the image is recorded under a condition in which a ratio of a total applied mass of the first resin and the second resin per unit area to an applied mass of the aggregating agent per unit area in an overlapping region formed such that a region where the pretreatment liquid is applied, a region where the first ink is applied, and a region where the second ink is applied overlap each other in plan view is generated is 16.0 or greater and 30.0 or less.Type: ApplicationFiled: April 5, 2022Publication date: July 21, 2022Applicant: FUJIFILM CorporationInventors: Ayato Sato, Masaharu Kawai, Takeshi Miyato
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Publication number: 20220186056Abstract: Provided are an ink for an impermeable base material, including an aqueous medium and resin particles, in which a resin of the resin particles has a glass transition temperature of ?40° C. or higher and 85° C. or lower, the resin has at least one selected from the group consisting of a unit (1) to a unit (3), and at least one of an acid group or a salt of the acid group, an acid value of the resin is 0.10 mmol/g or greater and 2.65 mmol/g or less, and a proportion of a solvent having a boiling point of 250° C. or higher in the aqueous medium is 3% by mass or less, and an image recording method. R2 represents a hydrogen atom or a C1 to C4 alkyl group, A2 represents —NH— or —N(L4-Y4)—, L2 and L4 represent a divalent group or a single bond, L3 represents a divalent group, and Y2 to Y4 represent a monovalent group.Type: ApplicationFiled: January 24, 2022Publication date: June 16, 2022Applicant: FUJIFILM CorporationInventors: Kenji SHIROKANE, Ayato SATO
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Patent number: 11338592Abstract: An image recording method includes determining whether a surface energy of a base material is less than 50 mN/m or greater than 50 mN/m; deciding a condition for drying a pretreatment liquid containing water and an aggregating agent as a condition A in which the mass ratio of the mass of the pretreatment liquid after being dried to the mass of the pretreatment liquid before being dried is 30% or greater and deciding a condition for drying the pretreatment liquid as a condition B in which the mass ratio thereof is less than 50% in a case where the surface energy is determined to be less than 50 mN/m and 50 mN/m or greater, respectively; applying the pretreatment liquid to the base material; drying the applied pretreatment liquid under the drying condition decided; and applying an ink containing water and a colorant to at least a part of the base material.Type: GrantFiled: December 14, 2020Date of Patent: May 24, 2022Assignee: FUJIFILM CorporationInventors: Yusuke Fujii, Ayato Sato, Takeshi Miyato
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Publication number: 20220073775Abstract: Provided are: a pretreatment liquid for an impermeable base material, including an aggregating agent (A) which contains at least one selected from the group consisting of an organic acid and a polyvalent metal salt, a nitrogen-containing compound (B) which contains at least one selected from the group consisting of ammonia, an amine, and a heterocyclic compound containing a basic nitrogen atom, and resin particles (C), and water; an ink set; an image recording method; an image recorded material; and a recording medium and a method of producing the same.Type: ApplicationFiled: November 15, 2021Publication date: March 10, 2022Applicant: FUJIFILM CorporationInventors: Yusuke FUJII, Ayato SATO
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Publication number: 20210403735Abstract: An inkjet ink for an impermeable base material includes water, a resin-coated pigment in which at least a part of the pigment is coated with a crosslinked resin, a solvent A which is an alkanediol compound having a boiling point of 180° C. to 200° C., and a solvent B which is at least one of a monoalcohol compound having a boiling point of 70° C. to 160° C. or a glycol monoether compound having a boiling point of 70° C. to 160° C. An image recording method includes applying of the inkjet ink for an impermeable base material to record an image.Type: ApplicationFiled: September 2, 2021Publication date: December 30, 2021Applicant: FUJIFILM CorporationInventors: Ayato SATO, Yusuke FUJII, Takeshi MIYATO
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Publication number: 20210388225Abstract: An ink set includes: an inkjet ink which contains a pigment, a resin dispersant, and water and in which the content of an organic solvent having a boiling point of higher than 210° C. is less than 1% by mass; and a maintenance liquid which contains water, a solvent MA, and a solvent MB, in which the solvent MA is an organic solvent formed of a hydrophilic portion such as —OH and a hydrophobic portion that is a portion other than the hydrophilic portion and having an MA value of 5.8 or less, the solvent MB is glycerin, ethylene glycol, or the like, and the content of the solvent MA is in a range of 0.5% by mass to 10% by mass with respect to a total amount of the maintenance liquid.Type: ApplicationFiled: June 27, 2021Publication date: December 16, 2021Applicant: FUJIFILM CorporationInventors: Yusuke FUJII, Ayato SATO
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Publication number: 20210236463Abstract: An object is to provide a compound having ?-lactamase inhibitory activity. The object is achieved by a compound represented by formula (1), typified by a compound in which specific positions of a 5-membered ring having planarity are replaced by sulfamoyl and carboxy groups.Type: ApplicationFiled: May 14, 2019Publication date: August 5, 2021Applicant: NATIONAL UNIVERSITY CORPORATION TOKAI NATIONAL HIGHER EDUCATION AND RESEARCH SYSTEMInventors: Yoshichika ARAKAWA, Jun-ichi WACHINO, Kouji KIMURA, Wan Chun JIN, Ayato SATO
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Publication number: 20210094325Abstract: An image recording method includes determining whether a surface energy of a base material is less than 50 mN/m or greater than 50 mN/m; deciding a condition for drying a pretreatment liquid containing water and an aggregating agent as a condition A in which the mass ratio of the mass of the pretreatment liquid after being dried to the mass of the pretreatment liquid before being dried is 30% or greater and deciding a condition for drying the pretreatment liquid as a condition B in which the mass ratio thereof is less than 50% in a case where the surface energy is determined to be less than 50 mN/m and 50 mN/m or greater, respectively; applying the pretreatment liquid to the base material; drying the applied pretreatment liquid under the drying condition decided; and applying an ink containing water and a colorant to at least a part of the base material.Type: ApplicationFiled: December 14, 2020Publication date: April 1, 2021Applicant: FUJIFILM CorporationInventors: Yusuke FUJII, Ayato SATO, Takeshi MIYATO
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Publication number: 20210054223Abstract: A pretreatment liquid for an impermeable medium is a pretreatment liquid including water, a resin, and an organic acid, in which a ratio of a content of the resin to a content of the organic acid is greater than 0 and less than 4 on a mass basis, and the organic acid is a compound represented by Formula 1. In Formula 1, l represents 1 or greater, m represents 0 or 1, n represents 1 or greater, and l+m+n is 2 or greater. R1, R2, R3, and R4 each independently represent a hydrogen atom, a hydroxyl group, a carboxy group, an amino group, or an alkyl group having 1 to 4 carbon atoms.Type: ApplicationFiled: November 10, 2020Publication date: February 25, 2021Applicant: FUJIFILM CorporationInventors: Yusuke FUJII, Ayato SATO, Takeshi MIYATO
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INK SET, IMAGE RECORDING METHOD, METHOD OF PRODUCING LAMINATE, IMAGE RECORDED MATERIAL, AND LAMINATE
Publication number: 20200369904Abstract: Provided are an ink set which is used for recording an image on a surface having a surface energy of 40 mN/m or greater and included in an impermeable base material, the ink set including an ink containing water, a colorant, and resin particles, and a pretreatment liquid containing water and resin particles, in which the resin particles contained in the pretreatment liquid include at least one of a mixture of acrylic resin particles and polyester resin particles or composite particles including an acrylic resin and a polyester resin, and the resin particles contained in the ink include at least one of acrylic resin particles or polyurethane resin particles; an image recording method; a method of producing a laminate; an image recorded material; and a laminate.Type: ApplicationFiled: August 14, 2020Publication date: November 26, 2020Inventors: Yusuke FUJII, Ayato SATO, Takeshi MIYATO -
Publication number: 20200353756Abstract: Provided are a method of producing a recording medium, including a step of preparing a liquid A which includes at least one kind of aggregating agent selected from the group consisting of an acid, a polyvalent metal compound, and a metal complex, and water, a step of preparing a liquid B which includes a resin and water, a step of mixing the liquid A with the liquid B at an ambient temperature of 5° C. to 40° C. to obtain a mixed solution, a step of storing the mixed solution at an ambient temperature of 5° C. to 40° C., and a step of applying the mixed solution after the storage onto an impermeable base material within 30 days from the start of mixing the liquid A with the liquid B to obtain a recording medium; and an image recording method.Type: ApplicationFiled: July 27, 2020Publication date: November 12, 2020Inventors: Ayato SATO, Yusuke FUJII, Takeshi MIYATO
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Publication number: 20200354595Abstract: An aqueous ink composition including: an aqueous medium and resin fine particles, in which a proportion of a high-boiling solvent occupied in the aqueous medium is 3% by mass or less, and a resin constituting the resin fine particle contains constitutional units represented by General Formula (1) or (2). In the formulae, R1 represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, A1 represents —O—, —NH—, or —N(L2-Y2)—, and L1 and L2 each are represent a specific divalent group such as an alkylene group or the like. Y1 and Y2 each represent —OH, —OR2, —NH2, —NR2H, —NR2R3, —SH, —S(?O)2OM, or —OP(?O)(OM)2. R2 and R3 each represent a specific substituent, and M represents a hydrogen atom, an alkali metal ion, or an ammonium ion.Type: ApplicationFiled: July 24, 2020Publication date: November 12, 2020Applicant: FUJIFILM CorporationInventors: Shoichiro KOBAYASHI, Ayato SATO
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Publication number: 20200216703Abstract: Provided are an image forming method including a step of preparing an ink which contains water and an organic solvent A having a vapor pressure of 0.20 kPa or less at 20° C. and in which a content of the organic solvent A is 10% by mass or greater, a step of preparing an aggregating liquid containing an aggregating agent, a step of preparing an overcoat liquid which contains a resin and an organic solvent B having a vapor pressure of 2.50 kPa or greater at 20° C. and in which a content of the organic solvent B is 10% by mass or greater, a step of applying the aggregating liquid onto an impermeable base material, a step of applying the ink to at least a portion of a region to which the aggregating liquid has been applied according to an ink jet method to form an image, and a step of applying the overcoat liquid onto the region to which the aggregating liquid has been applied in the impermeable base material, on which the image has been formed; and an ink set.Type: ApplicationFiled: March 17, 2020Publication date: July 9, 2020Applicant: FUJIFILM CorporationInventors: Yusuke FUJII, Takeshi MIYATO, Ayato SATO