Patents by Inventor Hiroshi Takiguchi

Hiroshi Takiguchi 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: 20150210859
    Abstract: Disclosed herein is a base metal pigment, which is used for an aqueous ink composition containing water as a part of a solvent, in which the base metal pigment is surface-treated with a fluorine-based compound, and has a zeta potential of greater than or equal to ?50 mV and less than or equal to ?15 mV, as measured by an ultrasonic zeta potential measurement device, in a pH range of greater than or equal to 5 and less than or equal to 10.
    Type: Application
    Filed: January 23, 2015
    Publication date: July 30, 2015
    Inventors: Atsushi DENDA, Masaru TERADA, Hiroshi TAKIGUCHI, Tomohiro OGAWA, Naoyuki TOYODA
  • Publication number: 20150125671
    Abstract: A recording material includes applying a first ink including a first polymerized compound using an inkjet method, polymerizing the first polymerized compound using ultraviolet light irradiation to form a first layer, applying a second ink containing a second polymerized compound and metal powder on the area on which the first layer is formed using the inkjet method, and polymerizing the second polymerized compound using ultraviolet light irradiation to form a second layer. A discharged volume of the first ink in the area is 2.0 to 20.0 g/m2. A time from landing of the first ink droplets until ultraviolet light irradiation is 0.0010 to 1.0 second. A discharged volume of the second ink in the area is 80 to 200 volume % compared to the discharged volume of the first ink. A time from landing of the second ink droplets until ultraviolet light irradiation is 5.0 to 60.0 seconds.
    Type: Application
    Filed: November 3, 2014
    Publication date: May 7, 2015
    Inventors: Tomohiro OGAWA, Hiroshi TAKIGUCHI, Naoyuki TOYODA
  • Publication number: 20150112003
    Abstract: A pigment dispersion liquid is a pigment dispersion liquid for a solvent-based ink including a base metal pigment and an organic solvent, in which the base metal pigment is subjected to a surface treatment by a fluorine-based compound, and in which the concentration of a fluorine element is from 8 atm % to 35 atm % when an X-ray photoelectron spectroscopy (XPS) analysis of the surface of the base metal pigment is performed.
    Type: Application
    Filed: October 21, 2014
    Publication date: April 23, 2015
    Inventors: Naoyuki TOYODA, Masaru TERADA, Hiroshi TAKIGUCHI, Tomohiro OGAWA, Atsushi DENDA
  • Publication number: 20140192110
    Abstract: A test method includes preparing a test medium including a base and an ink-receiving layer that absorbs ink to swell in the thickness direction thereof, applying an ink onto the ink-receiving layer by ejecting droplets of the ink from a liquid ejecting apparatus, and observing the test medium.
    Type: Application
    Filed: January 3, 2014
    Publication date: July 10, 2014
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Hiroshi TAKIGUCHI, Katsuyuki MORIYA, Osamu KASUGA, Akira SUGAWARA
  • Publication number: 20140154481
    Abstract: An ultraviolet ray curable ink composition adapted to be ejected by using an ink jet method is provided. The ultraviolet ray curable ink composition includes a polymerizable compound and metal powder. The metal powder is constituted from metal particles subjected to a surface treatment with a fluorine type silane compound and/or a fluorine type phosphoric acid ester as a surface treatment agent. A polymerizable compound includes a monomer having an alicyclic structure. This makes it possible to provide the ultraviolet ray curable ink composition which has excellent storage stability, can provide excellent dispersion stability of the metal particles of the metal powder. A printed object is also provided. Such a printed object is produced by using the ultraviolet ray curable ink composition.
    Type: Application
    Filed: December 2, 2013
    Publication date: June 5, 2014
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Naoyuki TOYODA, Koki HIRATA, Tomohiro OGAWA, Masaya SHIBATANI, Masaru TERADA, Hiroshi TAKIGUCHI
  • Publication number: 20140154480
    Abstract: An ultraviolet ray curable ink composition adapted to be ejected by using an ink jet method is provided. The ultraviolet ray curable ink composition includes a polymerizable compound, metal powder, and a liquid component having an alicyclic structure including a hetero atom. The metal powder is constituted from metal particles subjected to a surface treatment with a fluorine type silane compound and/or a fluorine type phosphoric acid ester as a surface treatment agent. An amount of the liquid component contained in the ultraviolet ray curable ink composition is in the range of 0.05 mass % or more but 7.0 mass % or less. A printed object is also provided. Such a printed object is produced by using the ultraviolet ray curable ink composition.
    Type: Application
    Filed: November 20, 2013
    Publication date: June 5, 2014
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Naoyuki TOYODA, Koki HIRATA, Tomohiro OGAWA, Masaya SHIBATANI, Masaru TERADA, Hiroshi TAKIGUCHI
  • Publication number: 20140093709
    Abstract: An ultraviolet ray curable ink composition adapted to be ejected by using an ink jet method is provided. The ultraviolet ray curable ink composition includes a polymerizable compound, metal powder, and a polyether based solvent. The metal powder is constituted from metal particles subjected to a surface treatment with a fluorine type silane compound and/or a fluorine type phosphoric acid ester as a surface treatment agent. An amount of the polyether based solvent contained in the ultraviolet ray curable ink composition is in the range of 0.05 mass % or more but 7.0 mass % or less. A printed object is also provided. Such a printed object is produced by using the ultraviolet ray curable ink composition.
    Type: Application
    Filed: November 20, 2013
    Publication date: April 3, 2014
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Naoyuki TOYODA, Koki HIRATA, Tomohiro OGAWA, Masaya SHIBATANI, Masaru TERADA, Hiroshi TAKIGUCHI
  • Patent number: 8343333
    Abstract: An electrode substrate including an electrode and a membrane provided on the electrode and having a thickness with which a carrier is exchanged between the electrode and the membrane.
    Type: Grant
    Filed: February 24, 2006
    Date of Patent: January 1, 2013
    Assignee: Seiko Epson Corporation
    Inventors: Hitoshi Fukushima, Hiroshi Takiguchi
  • Patent number: 8206618
    Abstract: A color filter ink set is adapted to be used to manufacture a color filter by an inkjet method. The color filter ink set includes a plurality of inks with each of the inks including a colorant and a liquid medium that disperses and/or dissolves the colorant. The inks include a green ink having C. I. Pigment Green 58 and a substance represented by a prescribed chemical formula. A viscosity at 25° C. of the liquid medium of the green ink is lower than a viscosity at 25° C. of the liquid medium of the ink other than the green ink. A difference (?max??min) between a viscosity (?max (mPa·s)) of the ink having the highest viscosity among the inks at 25° C. and a viscosity (?min (mPa·s)) of the ink having the lowest viscosity among the inks at 25° C. is 1.0 mPa·s or less.
    Type: Grant
    Filed: December 24, 2008
    Date of Patent: June 26, 2012
    Assignee: Seiko Epson Corporation
    Inventors: Hidekazu Moriyama, Masaya Shibatani, Hiroshi Kiguchi, Hiroshi Takiguchi
  • Patent number: 8187666
    Abstract: A color filter manufacturing method includes discharging droplets of an ink from a droplet discharge head into a plurality of cells formed on a substrate while moving the substrate with respect to the droplet discharge head, and curing the ink discharged in the cells to form a colored portion within each of the cells. The discharging of the droplets includes prohibiting landing of the droplets in a landing prohibition region formed at a predetermined width from edges of each of the cells in a movement direction of the substrate with respect to the droplet discharge head. The landing prohibition region being arranged so that a relationship 0.5?L1/L2?4.5 is satisfied, wherein a value L1 indicates a width of the landing prohibition region and a value L2 indicates an average diameter of the droplets of the ink.
    Type: Grant
    Filed: December 12, 2008
    Date of Patent: May 29, 2012
    Assignee: Seiko Epson Corporation
    Inventors: Masaya Shibatani, Hidekazu Moriyama, Mitsuhiro Isobe, Hiroshi Takiguchi, Sadaharu Komori, Junichi Sano
  • Patent number: 8133950
    Abstract: A color filter ink is adapted to be used to manufacture a color filter by an inkjet method. The color filter ink includes a colorant, a resin material, and a liquid medium that dissolves and/or disperses the colorant. The resin material includes a polymer containing a first monomer component represented by a prescribed chemical formula, a second monomer component having a carboxyl group or acid anhydride group, and a third monomer component represented by a prescribed chemical formula.
    Type: Grant
    Filed: November 3, 2009
    Date of Patent: March 13, 2012
    Assignee: Seiko Epson Corporation
    Inventors: Masaya Shibatani, Hiroshi Takiguchi, Hidekazu Moriyama, Mitsuhiro Isobe, Homare Kuribayashi
  • Patent number: 8017669
    Abstract: A color filter ink is adapted to be used to manufacture a color filter by an inkjet method. The color filter ink includes a colorant, a liquid medium that dissolves and/or disperses the colorant, and a resin material. The resin material includes a polymer X and a polymer Y. The polymer X has a monomer component x1 represented by a prescribed chemical formula, a monomer component x2 represented by a prescribed chemical formula, a monomer component x3 represented by a prescribed chemical formula, and a monomer component x4 represented by a prescribed chemical formula. The polymer Y has a monomer component y1 represented by a prescribed chemical formula and a monomer component y2 represented by a prescribed chemical formula.
    Type: Grant
    Filed: July 14, 2009
    Date of Patent: September 13, 2011
    Assignee: Seiko Epson Corporation
    Inventors: Masaya Shibatani, Hidekazu Moriyama, Hiroshi Takiguchi, Mitsuhiro Isobe, Homare Kuribayashi
  • Publication number: 20100224146
    Abstract: A method for manufacturing a shaft member having a sintered part bonded thereto is simple and provides an increased process yield and a high accuracy in position and angle of the sintered part. A green compact is prepared by subjecting a metal or alloy powder to a compression molding. A projection formed on an outer peripheral surface of the shaft member is embedded into the green compact, while chipping partially the green compact with the projection, to combine the green compact with the shaft member. Then, a sintering is carried out.
    Type: Application
    Filed: December 27, 2006
    Publication date: September 9, 2010
    Applicant: NIPPON PISTON RING CO., LTD.
    Inventors: Takeshi Kuwahara, Atsuya Aoki, Masahiro Shinzawa, Hiroshi Takiguchi
  • Publication number: 20100134729
    Abstract: A color filter ink is adapted to be used to manufacture a color filter by an inkjet method. The color filter ink includes a colorant, a resin material, and a liquid medium that dissolves and/or disperses the colorant. The resin material includes a polymer containing a first monomer component represented by a prescribed chemical formula, a second monomer component having a carboxyl group or acid anhydride group, and a third monomer component represented by a prescribed chemical formula.
    Type: Application
    Filed: November 3, 2009
    Publication date: June 3, 2010
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Masaya SHIBATANI, Hiroshi TAKIGUCHI, Hidekazu MORIYAMA, Mitsuhiro ISOBE, Homare KURIBAYASHI
  • Publication number: 20100066953
    Abstract: A color filter ink is adapted to be used to manufacture a color filter by an inkjet method. The color filter ink includes a colorant, a liquid medium that dissolves and/or disperses the colorant, and a resin material. The liquid medium has a characteristic in which, when a cured epoxy-based adhesive material and a urethane-based adhesive material are left in the liquid medium for six days under a sealed condition at an atmospheric pressure and a temperature of approximately 70° C., a swelling ratio of the cured epoxy-based adhesive material is 35% or less, and a swelling ratio of the cured urethane-based adhesive material is 160% or less. The resin material includes a polymer having monomer components represented by prescribed chemical formulas.
    Type: Application
    Filed: September 10, 2009
    Publication date: March 18, 2010
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Hiroshi TAKIGUCHI, Masaya SHIBATANI, Hiroshi KIGUCHI, Hidekazu MORIYAMA, Mitsuhiro ISOBE, Homare KURIBAYASHI
  • Publication number: 20100022032
    Abstract: A method of forming an organic ferroelectric film configured to include an organic ferroelectric material with a crystalline property as a principal material includes (a) forming a low crystallinity film having a crystallinity lower than a crystallinity of the organic ferroelectric film on one surface of a substrate, and (b) forming the organic ferroelectric film from the low crystallinity film. The step (a) includes applying a liquid material containing the organic ferroelectric material on the one surface of the substrate and then drying the liquid material, and the step (b) includes heating and pressurizing the low crystallinity film to enhancing the crystallinity in the low crystallinity film while fairing the low crystallinity film.
    Type: Application
    Filed: October 13, 2009
    Publication date: January 28, 2010
    Applicant: Seiko Epson Corporation
    Inventors: Hiroshi TAKIGUCHI, Junichi Karasawa
  • Publication number: 20100022700
    Abstract: A color filter ink is adapted to be used to manufacture a color filter by an inkjet method. The color filter ink includes a colorant, a liquid medium that dissolves and/or disperses the colorant, and a resin material. The resin material includes a polymer X and a polymer Y. The polymer X has a monomer component x1 represented by a prescribed chemical formula, a monomer component x2 represented by a prescribed chemical formula, a monomer component x3 represented by a prescribed chemical formula, and a monomer component x4 represented by a prescribed chemical formula. The polymer Y has a monomer component y1 represented by a prescribed chemical formula and a monomer component y2 represented by a prescribed chemical formula.
    Type: Application
    Filed: July 14, 2009
    Publication date: January 28, 2010
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Masaya SHIBATANI, Hidekazu MORIYAMA, Hiroshi TAKIGUCHI, Mitsuhiro ISOBE, Homare KURIBAYASHI
  • Patent number: 7629057
    Abstract: A preform main body of an iron species preform for forming a metal matrix composite inserted in an aluminum species alloy base material to be cast-in is bored with a first to fourth through holes communicating an inner peripheral face and an outer peripheral face. In a cast-in step, shrinkage in a peripheral direction of the inner peripheral face and the outer peripheral face of the iron species preform in accordance with solidification of the melted aluminum species alloy is uniformly received by shrinkage in accordance with solidification of the melted aluminum species alloy invading the through holes, movement thereof in the peripheral direction is restrained, a clearance can be prevented from being brought about at an interface, a cast-in performance is excellent and a stable bonding strength of the interface is achieved.
    Type: Grant
    Filed: September 28, 2006
    Date of Patent: December 8, 2009
    Assignees: Fuji Jukogyo Kabushiki Kaisha, Nippon Piston Ring Co., Ltd
    Inventors: Teruyuki Oda, Hiroshi Takiguchi
  • Publication number: 20090189128
    Abstract: A color filter ink is adapted to be used to manufacture a color filter by an inkjet method. The color filter ink includes a pigment, a dispersing agent and a liquid medium. The pigment includes a halogenated phthalocyanine zinc complex and a pigment derivative represented by a prescribed chemical formula. The dispersing agent disperses the pigment. The liquid medium, in which the pigment is dispersed, includes at least a first liquid and a second liquid different than the first liquid. A boiling point at atmospheric pressure of the first liquid is 180 to 290° C. A content ratio of the second liquid in the color filter ink is 5 to 20 wt %. A relationship |SP (X)?SP (Y)|?0.8 is satisfied, wherein a value SP (X) indicates a solubility parameter for the dispersing agent, and a value SP (Y) indicates a solubility parameter for the second liquid.
    Type: Application
    Filed: January 7, 2009
    Publication date: July 30, 2009
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Hiroshi Takiguchi, Akihiro Shintani, Mitsuhiro Isobe, Masaya Shibatani, Hidekazu Moriyama, Hiroshi Kiguchi
  • Patent number: 7566504
    Abstract: An iron species preform for forming a metal matrix composite is inserted in an aluminum species alloy member to be cast-in. The aluminum species alloy member has bearing faces having a section in a semicircular arc shape. An inner peripheral face of the iron species preform is provided with a plurality of inner side grooves. The inner side groove includes flat portions and groove bottom portions continuous to two end edges continuous to the inner peripheral face and opposed to each other. In a cast-in step, shrinkage in a peripheral direction accompanied by solidifying a melted aluminum species alloy is uniformly received by the respective inner side grooves, movement in the peripheral direction is restrained, a clearance at an interface can be prevented from being brought about, so that a cast-in performance is excellent, and stable bonding strength and close contact of the interface can be ensured.
    Type: Grant
    Filed: September 28, 2006
    Date of Patent: July 28, 2009
    Assignees: Fuji Jukogyo Kabushiki Kaisha, Nippon Piston Ring, Co. Ltd
    Inventors: Teruyuki Oda, Hiroshi Takiguchi