Patents by Inventor Koichi Terao

Koichi Terao 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: 20240010857
    Abstract: A dispersion of the present disclosure includes a polyester functioning as a dispersant, water, and a dispersoid, and the polyester includes, as a monomer component, a first monomer having an aromatic ring on a side chain and a second monomer having at least one selected from the group consisting of a carboxy group which forms no ester bond and a sulfo group. A content of the first monomer with respect to all monomers forming the polyester is preferably 25 to 75 percent by mole.
    Type: Application
    Filed: June 30, 2023
    Publication date: January 11, 2024
    Inventors: Nikako TSUKIJI, Hiroshi ITO, Koichi TERAO, Harunobu KOMATSU, Hajime KAKISHITA
  • Publication number: 20240010862
    Abstract: A dispersion of the present disclosure includes a polyester functioning as a dispersant, water, a dispersoid, and a solvent, the polyester has a carboxy group which forms no ester bond and a sulfo group, and the solvent includes a polyol having a log P of ?2.0 to 0.0. In the polyester, a rate of a content of a monomer having the carboxy group to a content of a monomer having the sulfo group is preferably 50% to 200% on a molar basis.
    Type: Application
    Filed: June 30, 2023
    Publication date: January 11, 2024
    Inventors: Hiroshi ITO, Koichi TERAO, Nikako TSUKIJI, Hajime KAKISHITA, Harunobu KOMATSU
  • Patent number: 11725113
    Abstract: A dispersion contains: a water-insoluble colorant; and acrylic resin particles, where: the acrylic resin particles contain, as a monomer unit, 20 mol % or more of an acrylic blocked isocyanate group based on a total amount of the acrylic resin particles; and the acrylic resin particles have a weight-average molecular weight of 1,000 or more and 1,000,000 or less.
    Type: Grant
    Filed: July 24, 2020
    Date of Patent: August 15, 2023
    Inventors: Koji Horiba, Koichi Terao
  • Publication number: 20230057386
    Abstract: An ink jet composition of the present disclosure includes: water; a polyester resin having sulfo groups; and a colorant, the colorant is contained in particles formed from a material containing the polyester resin, and the sulfo groups have a high abundance ratio at a surface of each of the particles as compared to that at a center thereof.
    Type: Application
    Filed: August 9, 2022
    Publication date: February 23, 2023
    Inventors: Soichi YAMAZAKI, Koichi TERAO, Nikako TSUKIJI, Koji HORIBA, Harunobu KOMATSU
  • Publication number: 20230055161
    Abstract: An ink jet composition of the present disclosure includes water; a polyester resin having sulfo groups; and a colorant, the colorant is contained in particles formed from a material containing the polyester resin, and the particles have an average particle diameter of 100 nm or less and are contained in the ink jet composition at a content rate of 15 percent by mass or more.
    Type: Application
    Filed: August 11, 2022
    Publication date: February 23, 2023
    Inventors: Nikako TSUKIJI, Soichi YAMAZAKI, Koichi TERAO, Harunobu KOMATSU, Koji HORIBA
  • Publication number: 20230051678
    Abstract: An ink jet composition of the present disclosure includes: water; a polyester resin having sulfo groups; a colorant; and a high molecular weight dispersant having anionic groups, the colorant is contained in particles formed from a material containing the polyester resin, and a rate X1 [percent on molar basis] of the sulfo groups to all constituent monomers of the polyester resin is lower than a rate X2 [percent on molar basis] of the anionic groups to all constituent monomers of the high molecular weight dispersant.
    Type: Application
    Filed: August 11, 2022
    Publication date: February 16, 2023
    Inventors: Koichi TERAO, Soichi YAMAZAKI, Nikako TSUKIJI, Harunobu KOMATSU, Koji HORIBA
  • Publication number: 20220298371
    Abstract: An ink-jet ink composition contains water, a colorant, and resin particles made of a material containing polyester. The polyester has a sulfo group and contains a diol component and a dicarboxylic acid component. The diol component contains a diol component having a 1,3-propanediol skeleton.
    Type: Application
    Filed: March 21, 2022
    Publication date: September 22, 2022
    Inventors: Soichi YAMAZAKI, Naoyuki TOYODA, Koji HORIBA, Koichi TERAO, Nikako TSUKIJI
  • Publication number: 20220186062
    Abstract: A dispersion liquid includes water, a coloring material, a dispersion resin that disperses the coloring material, and a compound having s sulfonate group and a polymerizable group. The dispersion resin has a constituent unit A containing a hydrophobic monomer and a constituent unit B containing a monomer having a sulfonate group. The weight-average molecular weight of the dispersion resin is 5,000 to 100,000, and the molecular weight of the compound is 300 or less.
    Type: Application
    Filed: December 9, 2021
    Publication date: June 16, 2022
    Inventors: Hajime KAKISHITA, Mami TOJINO, Toshihiro OTAKE, Koichi TERAO, Hiroshi ITO, Koji HORIBA
  • Publication number: 20220154022
    Abstract: A dispersion liquid includes water, a coloring material, and a dispersing resin which disperses the coloring material, in which the dispersing resin has a predetermined constituent unit A, a predetermined constituent unit B, and a predetermined constituent unit C.
    Type: Application
    Filed: November 18, 2021
    Publication date: May 19, 2022
    Inventors: Koichi TERAO, Mami TOJINO, Toshihiro OTAKE, Hiroshi ITO, Koji HORIBA
  • Publication number: 20220154021
    Abstract: A dispersion liquid includes water, a coloring material, and a dispersing resin which disperses the coloring material, in which the dispersing resin has a predetermined constituent unit A, a predetermined constituent unit B, and a predetermined constituent unit C.
    Type: Application
    Filed: November 18, 2021
    Publication date: May 19, 2022
    Inventors: Koichi TERAO, Mami TOJINO, Toshihiro OTAKE, Hiroshi ITO, Koji HORIBA
  • Publication number: 20220089890
    Abstract: A dispersion liquid includes water, a coloring material, and a dispersion resin that disperses the coloring material. The dispersion resin has a constituent unit A containing a hydrophobic monomer, a constituent unit B containing a hydrophilic acrylic acid monomer, and a constituent unit C containing a hydrophilic vinyl monomer having a sulfonate group, and the weight-average molecular weight of the dispersion resin is 10,000 to 100,000. The content of the constituent unit A is 60 mol % or more relative to the total amount of the dispersion resin.
    Type: Application
    Filed: September 23, 2021
    Publication date: March 24, 2022
    Inventors: Mami TOJINO, Toshihiro OTAKE, Koichi TERAO, Hiroshi ITO, Koji HORIBA
  • Publication number: 20220025204
    Abstract: A dispersion contains water, a color material, and a dispersing resin that disperses the color material, the dispersing resin having a structural unit A containing a hydrophobic monomer, a structural unit B containing a hydrophilic acrylic acid monomer, and a structural unit C containing a sulfonic acid group-containing acrylamide monomer, where the dispersing resin has a weight average molecular weight of from 5000 to 100000 and a content of the structural unit A is 60 mol % or more with respect to a total amount of the dispersing resin.
    Type: Application
    Filed: July 20, 2021
    Publication date: January 27, 2022
    Inventors: Toshihiro OTAKE, Koichi TERAO, Mami TOJINO, Hiroshi ITO, Koji HORIBA
  • Publication number: 20210024763
    Abstract: A dispersion contains: a water-insoluble colorant; and acrylic resin particles, where: the acrylic resin particles contain, as a monomer unit, 20 mol % or more of an acrylic blocked isocyanate group based on a total amount of the acrylic resin particles; and the acrylic resin particles have a weight-average molecular weight of 1,000 or more and 1,000,000 or less.
    Type: Application
    Filed: July 24, 2020
    Publication date: January 28, 2021
    Inventors: Koji HORIBA, Koichi TERAO
  • Patent number: 9759951
    Abstract: A liquid crystal device includes an element substrate, a counter substrate, a liquid crystal disposed between the substrates, a sealing material disposed in the spacing between the element substrate and the counter substrate and sealing the liquid crystal, a gas barrier layer disposed outside of the sealing material to cover the outside of the spacing and having a portion located in the spacing, and an gap region defined in at least a portion of the space between the sealing material and the gas barrier layer.
    Type: Grant
    Filed: March 17, 2014
    Date of Patent: September 12, 2017
    Assignee: Seiko Epson Corporation
    Inventor: Koichi Terao
  • Publication number: 20140293211
    Abstract: A liquid crystal device includes an element substrate, a counter substrate, a liquid crystal disposed between the substrates, a sealing material disposed in the spacing between the element substrate and the counter substrate and sealing the liquid crystal, a gas barrier layer disposed outside of the sealing material to cover the outside of the spacing and having a portion located in the spacing, and an gap region defined in at least a portion of the space between the sealing material and the gas barrier layer.
    Type: Application
    Filed: March 17, 2014
    Publication date: October 2, 2014
    Applicant: Seiko Epson Corporation
    Inventor: Koichi Terao
  • Patent number: 8810739
    Abstract: In a blue-color liquid crystal panel out of a plurality of liquid crystal panels used in a projection type display apparatus, an integral value obtained by integrating absorbance of the liquid crystal layer thereof in a wavelength range from 300 nm to 350 nm is smaller in comparison with those of the other liquid crystal panels (a red-color liquid crystal panel and a green-color liquid crystal panel). In addition, the absorption end on the long wavelength side of the liquid crystal layer of the blue-color liquid crystal panel is positioned on the short wavelength side in comparison with the liquid crystal layers of the red-color liquid crystal panel and the green-color liquid crystal panel.
    Type: Grant
    Filed: May 23, 2012
    Date of Patent: August 19, 2014
    Assignee: Seiko Epson Corporation
    Inventor: Koichi Terao
  • Patent number: 8654298
    Abstract: An oblique vapor deposition substrate having an oblique vapor deposition layer formed thereon is provided, wherein a plurality of pixel sections is arranged in a matrix of intersected straight lines of two directions with each pixel section being spaced apart from each other, and has been relatively rotated in a plane of the oblique vapor deposition substrate taking into consideration the distribution of the vapor deposition directions in the oblique vapor deposition layer.
    Type: Grant
    Filed: March 30, 2011
    Date of Patent: February 18, 2014
    Assignee: Seiko Epson Corporation
    Inventor: Koichi Terao
  • Patent number: 8557724
    Abstract: A semiconductor porcelain composition is prepared by separately preparing a composition of (BaR)TiO3 (R is La, Dy, Eu, Gd or Y) and a composition of (BiNa)TiO3, and calcining the composition of (BaR)TiO3 at a temperature of 900° C. through 1300° C. and calcining the composition of (BiNa)TiO3 at a temperature of 700° C. through 950° C., and then mixing, forming and sintering the calcined powders. Similarly, a semiconductor porcelain composition is prepared by separately preparing a composition of (BaM)TiO3 (M is Nb, Ta or Sb) and a composition of (BiNa)TiO3, and calcining the composition of (BaM)TiO3 at a temperature of 900° C. through 1300° C. and calcining the composition of (BiNa)TiO3 at a temperature of 700° C. through 950° C., and then mixing, forming and sintering the calcined powders.
    Type: Grant
    Filed: November 27, 2009
    Date of Patent: October 15, 2013
    Assignee: Hitachi Metals, Ltd.
    Inventors: Takeshi Shimada, Koichi Terao, Kazuya Toji
  • Patent number: 8517540
    Abstract: A liquid crystal projector includes a light modulating device, a cooling device, a dehumidification device, and a housing. The light modulating device forms an optical image by modulating light flux emitted from a light source based on image information. The cooling device cools air to be supplied to the light modulating device. The dehumidification device dehumidifies and dries air to be supplied to the corresponding cooling device. The housing includes a cooling medium flow path for circulating air among the light modulating device, the cooling device, and the dehumidification device. The cooling device includes a thermoelectric conversion material interposed between a pair of heat transmission plates arranged to face each other.
    Type: Grant
    Filed: March 25, 2011
    Date of Patent: August 27, 2013
    Assignee: Seiko Epson Corporation
    Inventor: Koichi Terao
  • Publication number: 20120307166
    Abstract: In a blue-color liquid crystal panel out of a plurality of liquid crystal panels used in a projection type display apparatus, an integral value obtained by integrating absorbance of the liquid crystal layer thereof in a wavelength range from 300 nm to 350 nm is smaller in comparison with those of the other liquid crystal panels (a red-color liquid crystal panel and a green-color liquid crystal panel). In addition, the absorption end on the long wavelength side of the liquid crystal layer of the blue-color liquid crystal panel is positioned on the short wavelength side in comparison with the liquid crystal layers of the red-color liquid crystal panel and the green-color liquid crystal panel.
    Type: Application
    Filed: May 23, 2012
    Publication date: December 6, 2012
    Applicant: Seiko Epson Corporation
    Inventor: Koichi Terao