Patents by Inventor Akio Tamura

Akio Tamura 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: 20140199502
    Abstract: To provide a cellulose acylate film having low moisture permeability and low haze, a polarizing plate, and a liquid crystal display device using the same.
    Type: Application
    Filed: March 27, 2014
    Publication date: July 17, 2014
    Applicant: FUJIFILM CORPORATION
    Inventors: Akio TAMURA, Yu NAITO, Yutaka NOZOE
  • Patent number: 8746865
    Abstract: 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: Grant
    Filed: March 29, 2011
    Date of Patent: June 10, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Kaoru Tojo, Toshihiro Kariya, Terukazu Yanagi, Akio Tamura, Minoru Sakai
  • Publication number: 20140104546
    Abstract: A cellulose acylate film containing a cellulose acylate and a specific polymer, the specific polymer containing a repeating unit derived from a monomer represented by formula (1): wherein R1 represents a hydrogen atom or an aliphatic group having 1 to 4 carbon atoms; R2 represents a substituent; (A) represents an atomic group necessary to form a 5- or 6-membered ring; and n represents an integer of 0 to 4
    Type: Application
    Filed: December 19, 2013
    Publication date: April 17, 2014
    Applicant: FUJIFILM CORPORATION
    Inventors: Yutaka NOZOE, Akio TAMURA, Yu NAITO
  • Patent number: 8678544
    Abstract: 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: Grant
    Filed: February 1, 2010
    Date of Patent: March 25, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Toshihiro Kariya, Terukazu Yanagi, Yoshimitsu Arai, Akio Tamura
  • Patent number: 8664296
    Abstract: An ink set for ink jet recording including an ink composition containing a coloring material, and a polymer particle including 65 mass % or more of a constituent unit derived from a methacrylic acid derivative, and a treating liquid which forms an aggregate when contacted with the ink composition, and an ink jet recording method using the same are provided.
    Type: Grant
    Filed: June 26, 2009
    Date of Patent: March 4, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Terukazu Yanagi, Takahiro Ishizuka, Akio Tamura, Takahiro Kato
  • Publication number: 20140058022
    Abstract: A cellulose acetate resin composition having a cellulose acetate ether compound and a stabilizer; the cellulose acetate ether compound comprising a specific atomic group, the specific atomic group being introduced into a cellulose acetate through an ether group derived from a hydroxyl group, the specific atomic group being introduced with a substitution degree of 0.01 or more; the cellulose acetate comprising residual hydroxyl group in a substitution degree of 0.3 to 1.0, the stabilizer being at least one selected from the group consisting of a phosphite compound, a hindered phenol compound, a hindered amine compound, and a sulfur compound.
    Type: Application
    Filed: November 5, 2013
    Publication date: February 27, 2014
    Applicant: FUJIFILM Corporation
    Inventors: Daisuke SAWAI, Takayasu NAGAI, Hiroshi INADA, Akio TAMURA
  • Publication number: 20140057060
    Abstract: A polarizing plate includes, in the following order: a transparent protective film; an adhesive layer; and a polarizer, and the transparent protective film has a thickness of from 5 to 60 ?m and contains at least one resin and a compound (A) having at least one hydrogen bond-forming hydrogen-donating group and a ratio of a molecular weight to an aromatic ring number of 190 or less.
    Type: Application
    Filed: August 22, 2013
    Publication date: February 27, 2014
    Applicant: FUJIFILM Corporation
    Inventors: Nobutaka FUKAGAWA, Yu NAITO, Akio TAMURA, Yutaka NOZOE
  • Patent number: 8580868
    Abstract: The invention provides a water-based ink composition including: a water-based medium, a colored particle containing a pigment and a water-insoluble polymer dispersant, and a self-dispersing polymer particle including a hydrophilic constituent unit, and a hydrophobic constituent unit derived from alicyclic (meth)acrylate, as well as an ink set comprising the water-based ink composition, and an image forming method using the aqueaous ink composition or the ink set.
    Type: Grant
    Filed: August 14, 2009
    Date of Patent: November 12, 2013
    Assignee: FUJIFILM Corporation
    Inventors: Takahiro Kato, Akio Tamura, Takahiro Ishizuka, Terukazu Yanagi
  • Patent number: 8530543
    Abstract: There are provided an ink composition including a coloring material, a hydrophilic organic solvent, polymer particles that have a minimum filming temperature (MFTdisp) of 60° C. or more when dispersed in water and that have a MFT 40° C. or more lower than the MFTdisp when mixed with water and 25 mass % of the hydrophilic organic solvent based on a solid content of the polymer, and water; an ink set including the ink composition and a treating liquid capable of forming an aggregate upon contact with the ink composition; and an ink-jet recording method using the ink composition or the ink set.
    Type: Grant
    Filed: August 19, 2009
    Date of Patent: September 10, 2013
    Assignee: FUJIFILM Corporation
    Inventors: Terukazu Yanagi, Takahiro Ishizuka, Akio Tamura, Takahiro Kato
  • Patent number: 8426496
    Abstract: An ink-jet ink composition comprising: a pigment, a polymer pigment dispersion, polymer particles, a hydrophilic organic solvent, water, and at least one of a water-soluble acidic compound having a molecular weight of 200 or less or a salt thereof in an amount of from 50 ppm to 1,000 ppm; an ink set that includes the ink-jet ink composition and a treatment liquid that forms an aggregate when contacted with the ink-jet ink composition; and an image forming method using the ink set.
    Type: Grant
    Filed: February 24, 2010
    Date of Patent: April 23, 2013
    Assignee: FUJIFILM Corporation
    Inventors: Terukazu Yanagi, Takahiro Ishizuka, Akio Tamura, Takahiro Kato
  • Patent number: 8399540
    Abstract: An ink-jet ink composition comprising: a pigment, a polymer pigment dispersion, polymer particles, a hydrophilic organic solvent, water, and at least one of a water-soluble acidic compound having a molecular weight of 200 or less or a salt thereof in an amount of from 50 ppm to 1,000 ppm; an ink set that includes the ink-jet ink composition and a treatment liquid that forms an aggregate when contacted with the ink-jet ink composition; and an image forming method using the ink set.
    Type: Grant
    Filed: February 24, 2010
    Date of Patent: March 19, 2013
    Assignee: FUJIFILM Corporation
    Inventors: Terukazu Yanagi, Takahiro Ishizuka, Akio Tamura, Takahiro Kato
  • Patent number: 8389602
    Abstract: An ink composition for ink-jet recording, including: coloring particles containing a pigment that is coated with a water-insoluble polymer dispersant, and self-dispersing polymer particles containing a first polymer which includes a constituent unit derived from a hydrophilic monomer and a constituent unit derived from a hydrophobic monomer, and which has a glass transition temperature from 150° C. to 250° C. and an I/O value of from 0.20 to 0.55; an ink set including the ink composition; and an image forming method using the ink set are provided.
    Type: Grant
    Filed: February 24, 2010
    Date of Patent: March 5, 2013
    Assignee: FUJIFILM Corporation
    Inventors: Terukazu Yanagi, Takahiro Ishizuka, Akio Tamura, Takahiro Kato
  • Publication number: 20120258263
    Abstract: A cellulose acylate film containing cellulose acylate and a polymer, the polymer containing a repeating unit derived from a monomer represented by formula (1); a polarizing plate containing a polarizing element and two protective films disposed on both sides of the polarizing element, at least one of the two protective films being made of the cellulose acylate film described above; and a liquid crystal display device containing a liquid crystal cell and two polarizing plates disposed on both sides of the liquid crystal cell, at least one of the polarizing plates being made of the polarizing plate described above: wherein R1 represents a hydrogen atom or an aliphatic group having 1 to 4 carbon atoms, and R2 represents an aliphatic group or an aromatic group.
    Type: Application
    Filed: April 9, 2012
    Publication date: October 11, 2012
    Applicant: FUJIFILM CORPORATION
    Inventors: Akio TAMURA, Kengo ASAI
  • Publication number: 20120196142
    Abstract: A resin film containing a cellulose acylate and at least one of a polymer or an oligomer having a cyano group-comprising recurring unit in an amount of from 1.5 to 300% by mass of the cellulose acylate has a small photoelastic coefficient and a small moisture content and is excellent in transparency.
    Type: Application
    Filed: January 27, 2012
    Publication date: August 2, 2012
    Applicant: FUJIFILM CORPORATION
    Inventors: Nobutaka FUKAGAWA, Kengo ASAI, Akio TAMURA
  • Patent number: 8231213
    Abstract: An inkjet ink composition includes a colorant, two or more hydrophilic organic solvents, and particles of a polymer containing a structural unit derived from a hydrophilic monomer and a structural unit derived from a hydrophobic monomer. The polymer has a glass transition temperature of 150° C. or higher and an I/O value of from 0.2 to 0.55, and the particles of the polymer have a volume average particle diameter of from 0.1 to 10 nm.
    Type: Grant
    Filed: July 26, 2010
    Date of Patent: July 31, 2012
    Assignee: FUJIFILM Corporation
    Inventors: Terukazu Yanagi, Akio Tamura, Takahiro Ishizuka
  • Publication number: 20120184474
    Abstract: To provide a novel complex alcohol ester composition useful as a lubricant agent. The novel complex alcohol ester composition includes a polyester in which at least two molecules of a polyol represented by a formula (I): R(OH)n (wherein R represents an n-valent aliphatic, alicyclic or aromatic group, one or more carbon atoms not adjacent to each other in R may be individually substituted with an oxygen atom, and n indicates an integer of 2 or more) are linked through at least two ester bonds via at least one molecule of a polybasic acid, and at least a part of the non-linked side chain ends of the polyol have a group represented by a formula (II): (AO)kR2 (wherein R2 represents a hydrocarbon group, A represents a divalent linking group, and k indicates an integer) via a polybasic acid.
    Type: Application
    Filed: September 27, 2010
    Publication date: July 19, 2012
    Applicant: FUJIFILM Corporation
    Inventors: Ken Kawata, Akio Tamura, Saisuke Watanabe
  • Patent number: 8124233
    Abstract: An anti-reflection film, which comprises: a low refractive index layer that is formed by curing a coating solution composition comprising: a fluorine-free copolymer containing a constituent having a polysiloxane structure represented by formula (1) as defined in the specification in a main chain and a constituent containing a hydroxyl group in a side chain; and a fluorine-containing copolymer; a polarizing plate wherein the anti-reflection film is used as one of two protective films for a polarizing film; and an image display device wherein the anti-reflection film or the polarizing plate is used in the outermost surface of the display.
    Type: Grant
    Filed: October 12, 2006
    Date of Patent: February 28, 2012
    Assignee: Fujifilm Corporation
    Inventors: Akio Tamura, Masaki Noro, Masato Nagura
  • Patent number: 8109623
    Abstract: An ink-jet recording method is provided. The ink-jet method includes recording an images by ejecting, onto a recording medium by an-inkjet method, a liquid composition containing polymer particles having a glass transition temperature (Tg) higher than the minimum film forming temperature (MFT) at least by 5° C., a hydrophilic organic solvent, a surfactant, and water under ejection conditions satisfying all of the following (1) to (3): (1) Tg>the temperature of the liquid composition at the time of ejection>MFT, (2) MFT>20° C., and (3) the temperature of the liquid composition at the time of ejection is 30° C. or higher.
    Type: Grant
    Filed: March 18, 2009
    Date of Patent: February 7, 2012
    Assignee: Fujifilm Corporation
    Inventors: Terukazu Yanagi, Akio Tamura, Takahiro Ishizuka, Takahiro Kato
  • Patent number: 8105650
    Abstract: An ink set for inkjet recording is provided. The ink set includes: at least one kind of ink composition that contains self-dispersing polymer particles, a color material, a hydrophilic organic solvent and water; and a reaction liquid capable of forming an aggregate upon contact with the ink composition.
    Type: Grant
    Filed: February 9, 2009
    Date of Patent: January 31, 2012
    Assignee: Fujifilm Corporation
    Inventors: Terukazu Yanagi, Takahiro Ishizuka, Akio Tamura, Takahiro Kato
  • Publication number: 20110303651
    Abstract: A cooking device includes a pot (30) having a nozzle (32) for steam blow-off and a handle (50), a housing part (21, 23, 24) for housing the pot (30), a connection part (26) to which the nozzle (32) of the pot (30) housed in the housing part (21, 23, 24) is connected, a heater part (22) for heating the pot (30) housed in the housing part (21, 23, 24), and a heating chamber (12) to which steam is supplied from the pot (30).
    Type: Application
    Filed: February 26, 2010
    Publication date: December 15, 2011
    Inventors: Tatsuya Mineoka, Akio Tamura