Patents by Inventor Kiyoshi Irita

Kiyoshi Irita 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).

  • Publication number: 20090130312
    Abstract: A recording medium including a base paper, a first layer containing a binder, and a second layer containing a white pigment and an acid, formed in this order, wherein the base paper having the first layer provided thereon has a Cobb water absorbency of 2.0 g/m2 or below at the surface of the first layer as determined under a contact time of 120 seconds by a water absorbency test in accordance with JIS P8140, the recording medium has a water absorption amount of from 2 mL/m2 to 8 mL/m2 at the surface of the second layer as determined under a contact time of 0.5 seconds in accordance with the Bristow method, and the pH at the surface of the second layer is 5.5 or below.
    Type: Application
    Filed: November 17, 2008
    Publication date: May 21, 2009
    Applicant: FUJIFILM CORPORATION
    Inventors: Wataru Ono, Kiyoshi Irita, Kaoru Tojo
  • Publication number: 20090080073
    Abstract: An antireflection film comprising a transparent support and a low-refractivity layer as an outermost layer, the low-refractivity layer being formed by a specific fluoropolymer-containing composition, and a polarizing plate and an image display device comprising the antireflection film.
    Type: Application
    Filed: March 20, 2006
    Publication date: March 26, 2009
    Applicant: Fujifilm Corporation
    Inventors: Kiyoshi Irita, Masaki Noro, Hiroyuki Yoneyama
  • Publication number: 20080254241
    Abstract: A heat-sensitive transfer image-receiving sheet containing at least one heat insulation layer and at least one receptor layer on a support, wherein said heat insulation layer contains at least one kind of hollow polymer particles and said receptor layer contains at least one latex polymer and at least one water-soluble polymer; wherein said water-soluble polymer is at least one of a gelatin and a polyvinyl alcohol in which the gelatin has an average molecular mass of 20,000 or more and the polyvinyl alcohol has a saponification degree of 95% or more and an average polymerization degree of from 200 to 1600 or has a saponification degree of less than 95% and an average polymerization degree of from 500 to 2000.
    Type: Application
    Filed: March 27, 2008
    Publication date: October 16, 2008
    Applicant: FUJIFILM Corporation
    Inventors: Nobuyuki HARAGUCHI, Kiyoshi IRITA
  • Publication number: 20080241732
    Abstract: A thermal transfer image-receiving sheet comprising, on a support, at least one image-receiving layer containing at least one polymer latex and comprising at least one heat-insulating layer between the receiving layer and the support, wherein at least one layer on the support is formed by water-base coating and at least one layer on the support contains a defoaming agent.
    Type: Application
    Filed: March 28, 2008
    Publication date: October 2, 2008
    Applicant: FUJIFILM Corporation
    Inventors: Junichiro Hosokawa, Kiyoshi Irita, Shinichiro Morimoto
  • Publication number: 20080241439
    Abstract: A heat-sensitive transfer image-receiving sheet, containing, on a support, at least one dye-receptive layer containing latex polymer and at least one heat-insulating layer, at least said receptive layer and a layer adjacent thereto being formed by a water-based simultaneous multilayer coating method, wherein said sheet contains at least one solid dispersion having an average particle diameter of 1.0 g ?m or less of at least one material selected from a compound represented by formula (L1) and wax: wherein R01 represents —C(?O)R or a hydrogen atom, in which R represents an aliphatic group which may have a substituent, and a plurality of Rol 's are the same as or different from each other, but at least one of R01's is —C(?O)R; and n represents 0 or 1.
    Type: Application
    Filed: March 26, 2008
    Publication date: October 2, 2008
    Applicant: FUJIFILM Corporation
    Inventors: Kiyoshi IRITA, Yasuhisa Sano
  • Publication number: 20080081134
    Abstract: A heat-sensitive transfer image-receiving sheet, containing, on a support, at least one receptor layer containing a matting agent, in which average particle diameter of the matting agent is in the range of from 50% to 200% of the thickness of the receptor layer, and the receptor layer contains a releasing agent; a producing method thereof; and an image-forming method using the heat-sensitive transfer image-receiving sheet.
    Type: Application
    Filed: September 28, 2007
    Publication date: April 3, 2008
    Applicant: FUJIFILM Corporation
    Inventors: Kiyoshi Irita, Ryuji Shinohara, Takuya Arai
  • Publication number: 20080020931
    Abstract: A heat-sensitive transfer image-receiving sheet having, on a support, at least one receptor layer, and at least one heat insulation layer containing hollow polymer particles which layer is provided between the support and the receptor layer, wherein the hollow polymer particles have an average particle diameter of 0.3 to 1.0 ?m; and wherein, in the hollow polymer particles, the ratio of the number of bulky particles having a particle diameter of 10 ?m or more is less than 1/5,000 of the total number of the hollow polymer particles; a producing method thereof, and an image forming method using the same.
    Type: Application
    Filed: June 29, 2007
    Publication date: January 24, 2008
    Applicant: FUJIFILM Corporation
    Inventor: Kiyoshi Irita
  • Publication number: 20080014434
    Abstract: A heat-sensitive transfer image-receiving sheet having, on a support, at least one receptor layer containing a latex polymer, and at least one heat insulation layer containing hollow polymer particles, in which the latex polymer has an average particle diameter of 0.05 to 0.5 ?m; and a producing method of the heat-sensitive transfer image-receiving sheet.
    Type: Application
    Filed: June 29, 2007
    Publication date: January 17, 2008
    Applicant: FUJIFILM Corporation
    Inventors: Takuya Arai, Kiyoshi Irita
  • Publication number: 20080014382
    Abstract: A heat-sensitive transfer image-receiving sheet, containing; a support; at least one receptor layer containing a latex polymer, the latex polymer containing a repeating unit derived from vinyl chloride in a proportion of 50 mass % or above in the latex polymer; and at least one heat-insulation layer containing hollow latex polymer particles and a water-soluble polymer, the at least one heat-insulation layer being provided between the support and the at least one receptor layer.
    Type: Application
    Filed: June 29, 2007
    Publication date: January 17, 2008
    Applicant: FUJIFILM Corporation
    Inventors: Ryuji Shinohara, Hiroshi Takehara, Kiyoshi Irita
  • Publication number: 20080003520
    Abstract: A heat-sensitive transfer image-receiving sheet, containing; a support; at least one receptor layer on a support; at least one heat insulation layer containing hollow latex polymer particles, said at least one heat insulation layer being provided between the support and the at least one receptor layer; and wherein the hollow polymer particles have a particle diameter distribution that a sum of the number of particles having diameters of at most 90% of an average diameter of the hollow polymer particles and the number of particles having diameters of at least 110% of the average diameter is at least 40% of the total number of the hollow polymer particles present in the heat insulation layer.
    Type: Application
    Filed: June 28, 2007
    Publication date: January 3, 2008
    Applicant: FUJIFILM Corporation
    Inventor: Kiyoshi Irita
  • Publication number: 20070213219
    Abstract: A heat-sensitive transfer image-receiving sheet having at least one receptor layer containing a latex polymer which has a glass transition temperature of 50° C. or less, a latex polymer which has a glass transition temperature more than 50° C., and a wax dispersion, wherein at least one of the latex polymers is present in a particulate state without forming film; and a method of forming an image using the same.
    Type: Application
    Filed: March 9, 2007
    Publication date: September 13, 2007
    Applicant: FUJIFILM Corporation
    Inventors: Kiyoshi Irita, Yoshihisa Tsukada
  • Publication number: 20070213220
    Abstract: A heat-sensitive transfer image-receiving sheet having, on a support, at least one receptor layer containing at least one kind of latex polymer having repeating units of vinyl chloride component and at least one kind of microcrystalline wax dispersion, wherein the melting temperature of a base wax of the microcrystalline wax dispersion is higher than a glass transition temperature of the latex polymer by at least 15° C.; and a method of forming an image using the same.
    Type: Application
    Filed: March 9, 2007
    Publication date: September 13, 2007
    Applicant: FUJIFILM Corporation
    Inventors: Kiyoshi Irita, Yoshihisa Tsukada
  • Publication number: 20070213218
    Abstract: A heat-sensitive transfer image-receiving sheet, having: on a support, at least one receptor layer which contains at least one silicone compound and at least one polymer having repeating units derived from vinyl chloride; and, at least one heat insulating layer which contains hollow polymer particles, between the receptor layer and the support, in which the heat insulating layer does not contain a resin having no resistance to an organic solvent other than the hollow polymer particles.
    Type: Application
    Filed: March 8, 2007
    Publication date: September 13, 2007
    Applicant: FUJIFILM Corporation
    Inventors: Kiyoshi Irita, Yoshihisa Tsukada
  • Publication number: 20070148378
    Abstract: A heat-sensitive transfer image-receiving sheet having, on a support, at least one receptor layer containing a latex polymer and at least one heat insulation layer containing a hollow polymer, and further having, between the support and the heat insulation layer, at least one intermediate layer which contains one or both of 1) a latex polymer having a lower glass transition point than the latex polymer in the receptor layer and 2) a water-soluble polymer.
    Type: Application
    Filed: December 19, 2006
    Publication date: June 28, 2007
    Applicant: FUJIFILM Corporation
    Inventors: Tomoyuki Koide, Kiyoshi Irita, Yoshihisa Tsukada
  • Patent number: 6689533
    Abstract: A dye-fixing element for color diffusion transfer process, having an ultraviolet-absorbing layer that contains an ultraviolet absorber in a coating amount of 0.2 g/m2 or more, over a mordant layer; and containing, as at least one dispersion medium for the ultraviolet absorber, a compound represented by formula (1), in a ratio (mass ratio) of 25 to 200% of the ultraviolet absorber; with the sum of coating amounts of the ultraviolet absorber and total dispersion medium for the ultraviolet absorber being 1.0 g/m2 or less; wherein x and y each represent a molar fraction of each recurring unit, the total of x and y is 1, and y ranges from 0.85 to 0.95.
    Type: Grant
    Filed: October 31, 2002
    Date of Patent: February 10, 2004
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Kiyoshi Irita
  • Publication number: 20030194637
    Abstract: A dye-fixing element for color diffusion transfer process, having an ultraviolet-absorbing layer that contains an ultraviolet absorber in a coating amount of 0.2 g/m2 or more, over a mordant layer; and containing, as at least one dispersion medium for the ultraviolet absorber, a compound represented by formula (1), in a ratio (mass ratio) of 25 to 200% of the ultraviolet absorber; with the sum of coating amounts of the ultraviolet absorber and total dispersion medium for the ultraviolet absorber being 1.
    Type: Application
    Filed: October 31, 2002
    Publication date: October 16, 2003
    Applicant: FUJI PHOTO FILM CO., LTD.
    Inventor: Kiyoshi Irita
  • Patent number: 5981111
    Abstract: A process for manufacturing a color filter using a silver halide light-sensitive material comprising a support having thereon at least a light-sensitive silver halide, a color coupler and a hydrophilic binder, which process comprises the steps of: processing the silver halide light-sensitive material to obtain a color filter layer formed on the support, the color filter layer having a swelling ratio with water at 40.degree. C. of 200% or less; and coating the color filter layer with a water-impermeable protective film having a thickness of from 0.1 to 10 .mu.m.
    Type: Grant
    Filed: September 8, 1997
    Date of Patent: November 9, 1999
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Kiyoshi Irita, Makoto Yamada