Patents by Inventor Katsuko Aoki

Katsuko Aoki 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).

  • Patent number: 11945248
    Abstract: A recording method includes a colored ink adhering step of adhering a colored ink composition to an intermediate transfer medium by an ink jet method to form a recording region A, a clear ink adhering step of adhering a clear ink composition to at least a portion of a recording medium to form a region B, and a transfer step of transferring an image formed in the recording region A to the region B of the recording medium by heating in a state where the recording region A of the intermediate transfer medium faces the region B of the recording medium. The colored ink composition contains a sublimation dye, a water-soluble organic solvent, and water, and the intermediate transfer medium has a peeling layer containing a resin having a glass transition point of 100° C. or more and 200° C. or less.
    Type: Grant
    Filed: October 26, 2021
    Date of Patent: April 2, 2024
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Takayoshi Kagata, Katsuko Aoki
  • Publication number: 20220126618
    Abstract: A recording method includes a colored ink adhering step of adhering a colored ink composition to an intermediate transfer medium by an ink jet method to form a recording region A, a clear ink adhering step of adhering a clear ink composition to at least a portion of a recording medium to form a region B, and a transfer step of transferring an image formed in the recording region A to the region B of the recording medium by heating in a state where the recording region A of the intermediate transfer medium faces the region B of the recording medium. The colored ink composition contains a sublimation dye, a water-soluble organic solvent, and water, and the intermediate transfer medium has a peeling layer containing a resin having a glass transition point of 100° C. or more and 200° C. or less.
    Type: Application
    Filed: October 26, 2021
    Publication date: April 28, 2022
    Inventors: Takayoshi KAGATA, Katsuko AOKI
  • Publication number: 20200270808
    Abstract: According to the present disclosure, a textile printing ink jet ink composition includes a thioindigo-skeleton-containing dye and elemental sulfur. A content of the elemental sulfur in the textile printing ink jet ink composition is 0.01 ppm or greater and 500 ppm or less relative to the total mass of the ink composition.
    Type: Application
    Filed: February 26, 2020
    Publication date: August 27, 2020
    Inventors: Shugo HATTORI, Takayoshi KAGATA, Katsuko AOKI
  • Patent number: 10487227
    Abstract: An ink set which is used for sublimation transfer includes a first ink, and a second ink. The first ink has a color after transfer of |a*|?10 and |b*|?10 in a CIELAB color space, and contains a first disperse dye dispersed by a first dispersion resin. The second ink has a color after transfer of |a*|>10 or |b*|>10 in the CIELAB color space, and contains a second disperse dye dispersed by a second dispersion resin. A glass transition temperature of the first dispersion resin and is different than that of the second dispersion resin.
    Type: Grant
    Filed: September 26, 2018
    Date of Patent: November 26, 2019
    Assignee: Seiko Epson Corporation
    Inventors: Takayoshi Kagata, Hiroshi Fukumoto, Takeshi Yano, Miho Nakamura, Shugo Hattori, Katsuko Aoki, Shigeki Kawada
  • Patent number: 10471707
    Abstract: A sublimation transfer ink jet ink composition includes: a disperse dye; a dispersing resin; a silicone-based surfactant; and a solubilizer. The ink composition has a surface tension of 30 mN/m or less, and a cloud point of a mixture which includes all the components other than the disperse dye and the dispersing resin is 40° C. or more.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: November 12, 2019
    Assignee: Seiko Epson Corporation
    Inventors: Katsuko Aoki, Shugo Hattori
  • Publication number: 20190092953
    Abstract: An ink set which is used for sublimation transfer includes a first ink, and a second ink. The first ink has a color after transfer of |a*|?10 and |b*|?10 in a CIELAB color space, and contains a first disperse dye dispersed by a first dispersion resin. The second ink has a color after transfer of |a*|>10 or |b*|>10 in the CIELAB color space, and contains a second disperse dye dispersed by a second dispersion resin. A glass transition temperature of the first dispersion resin and is different than that of the second dispersion resin.
    Type: Application
    Filed: September 26, 2018
    Publication date: March 28, 2019
    Inventors: Takayoshi KAGATA, Hiroshi FUKUMOTO, Takeshi YANO, Miho NAKAMURA, Shugo HATTORI, Katsuko AOKI, Shigeki KAWADA
  • Publication number: 20190030882
    Abstract: A sublimation transfer ink jet ink composition includes: a disperse dye; a dispersing resin; a silicone-based surfactant; and a solubilizer. The ink composition has a surface tension of 30 mN/m or less, and a cloud point of a mixture which includes all the components other than the disperse dye and the dispersing resin is 40° C. or more.
    Type: Application
    Filed: July 25, 2018
    Publication date: January 31, 2019
    Inventors: Katsuko AOKI, Shugo HATTORI
  • Patent number: 9605172
    Abstract: An ink composition adapted to be poured into an ink container including an ink chamber, the ink chamber partitioned by a wall, refillable with the ink composition via an ink poring port, and communicating with external air, the ink composition comprising a pigment, a resin and an organic solvent, wherein the ink composition has a static contact angle of 10° or more to a member constituting an inner side of the wall.
    Type: Grant
    Filed: August 18, 2014
    Date of Patent: March 28, 2017
    Assignee: Seiko Epson Corporation
    Inventors: Katsuko Aoki, Tomohito Nakano, Shoki Kasahara
  • Patent number: 9567473
    Abstract: An ink container, adapted to supply an ink composition to an ink jet recording apparatus including a recording head for discharging the ink composition, includes an ink chamber containing the ink composition, the ink chamber including a wall defining the ink chamber and a support connected to an inside of the wall to support the wall; and an ink pouring port through which the ink composition is poured into the ink chamber, in which, in a use state of the ink container, in a case where the ink chamber is filled with the ink up to 50% of the volume thereof, an area of the support in contact with the ink composition is larger than an area of the support in contact with atmosphere.
    Type: Grant
    Filed: August 18, 2014
    Date of Patent: February 14, 2017
    Assignee: Seiko Epson Corporation
    Inventors: Tomohito Nakano, Katsuko Aoki, Shoki Kasahara
  • Patent number: 9376583
    Abstract: An ink composition, which is recorded on a heated recording medium, includes: a color material; water; a first polymer particle; and a second polymer particle, in which the first polymer particle has a core-shell structure including a first core polymer and a first shell polymer, the second polymer particle has a core-shell structure including a second core polymer and a second shell polymer, each of the first shell polymer and the second shell polymer has a glass transition temperature (Tg) of 40° C. or higher, and the glass transition temperature Tg of the first shell polymer is higher than that of the second shell polymer.
    Type: Grant
    Filed: March 18, 2015
    Date of Patent: June 28, 2016
    Assignee: Seiko Epson Corporation
    Inventors: Katsuko Aoki, Takayoshi Kagata, Masahiro Yatake, Shoki Kasahara
  • Patent number: 9309421
    Abstract: An inkjet recording method for printing by ejecting droplets of a water-based ink composition onto a recording medium having a recording surface which is a plastic film and by causing the droplets to adhere to the recording surface, including: using, as the water-based ink composition, a water-based ink composition including at least colorant, between 0.1 wt % and 1.5 wt % of a silicon-based surfactant, alkanediol, pyrrolidone derivative, thermoplastic resin, and water; and heating the water-based ink composition that has adhered to the recording surface to a temperature of 40° C. or higher.
    Type: Grant
    Filed: July 10, 2013
    Date of Patent: April 12, 2016
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Hiroshi Mukai, Katsuko Aoki
  • Publication number: 20150267066
    Abstract: An ink composition, which is recorded on a heated recording medium, includes: a color material; water; a first polymer particle; and a second polymer particle, in which the first polymer particle has a core-shell structure including a first core polymer and a first shell polymer, the second polymer particle has a core-shell structure including a second core polymer and a second shell polymer, each of the first shell polymer and the second shell polymer has a glass transition temperature (Tg) of 40° C. or higher, and the glass transition temperature Tg of the first shell polymer is higher than that of the second shell polymer.
    Type: Application
    Filed: March 18, 2015
    Publication date: September 24, 2015
    Inventors: Katsuko AOKI, Takayoshi KAGATA, Masahiro YATAKE, Shoki KASAHARA
  • Patent number: 9109132
    Abstract: An ink container, adapted to supply an ink composition to an ink jet recording apparatus including a recording head for discharging the ink composition, includes an ink chamber containing the ink composition, the ink chamber including a wall defining the ink chamber and a support connected to an inside of the wall to support the wall; and an ink pouring port through which the ink composition is poured into the ink chamber, in which, in a use state of the ink container, in a case where the ink chamber is filled with the ink up to 50% of the volume thereof, an area of the support in contact with the ink composition is smaller than an area of the support in contact with atmosphere.
    Type: Grant
    Filed: August 18, 2014
    Date of Patent: August 18, 2015
    Assignee: Seiko Epson Corporation
    Inventors: Tomohito Nakano, Katsuko Aoki, Shoki Kasahara
  • Patent number: 9016818
    Abstract: An ink jet recording method includes a first process in which a coloring ink is recorded on a recording medium using an ink jet head so as to form a first image, a second process in which a background ink is recorded using the ink jet head so as to form a background image that covers the first image, and a third process in which a coloring ink is recorded using the ink jet head so as to form a second image, and a drying process is included between the first process and the third process.
    Type: Grant
    Filed: December 12, 2013
    Date of Patent: April 28, 2015
    Assignee: Seiko Epson Corporation
    Inventors: Katsuko Aoki, Yoshiko Azami, Shoki Kasahara
  • Patent number: 9004657
    Abstract: A liquid container detachably mounted on a liquid consuming apparatus includes: a liquid including dispersed particles and a solvent in which the dispersed particles are dispersed; and an accommodation bag accommodating the liquid and provided with a discharge portion discharging the liquid, in which a ratio of a volume of the liquid with respect to a capacity of the accommodation bag when the accommodation bag is used from an initial period of filling is 95% or less.
    Type: Grant
    Filed: January 30, 2013
    Date of Patent: April 14, 2015
    Assignee: Seiko Epson Corporation
    Inventors: Katsuko Aoki, Tsuyoshi Sano, Yuji Aoki, Ippei Okuda, Shoki Kasahara
  • Publication number: 20150049144
    Abstract: An ink composition adapted to be poured into an ink container including an ink chamber, the ink chamber partitioned by a wall, refillable with the ink composition via an ink poring port, and communicating with external air, the ink composition comprising a pigment, a resin and an organic solvent, wherein the ink composition has a static contact angle of 10° or more to a member constituting an inner side of the wall.
    Type: Application
    Filed: August 18, 2014
    Publication date: February 19, 2015
    Inventors: Katsuko AOKI, Tomohito NAKANO, Shoki KASAHARA
  • Publication number: 20150049147
    Abstract: An ink container, adapted to supply an ink composition to an ink jet recording apparatus including a recording head for discharging the ink composition, includes an ink chamber containing the ink composition, the ink chamber including a wall defining the ink chamber and a support connected to an inside of the wall to support the wall; and an ink pouring port through which the ink composition is poured into the ink chamber, in which, in a use state of the ink container, in a case where the ink chamber is filled with the ink up to 50% of the volume thereof, an area of the support in contact with the ink composition is larger than an area of the support in contact with atmosphere.
    Type: Application
    Filed: August 18, 2014
    Publication date: February 19, 2015
    Inventors: Tomohito NAKANO, Katsuko AOKI, Shoki KASAHARA
  • Publication number: 20150049146
    Abstract: An ink container, adapted to supply an ink composition to an ink jet recording apparatus including a recording head for discharging the ink composition, includes an ink chamber containing the ink composition, the ink chamber including a wall defining the ink chamber and a support connected to an inside of the wall to support the wall; and an ink pouring port through which the ink composition is poured into the ink chamber, in which, in a use state of the ink container, in a case where the ink chamber is filled with the ink up to 50% of the volume thereof, an area of the support in contact with the ink composition is smaller than an area of the support in contact with atmosphere.
    Type: Application
    Filed: August 18, 2014
    Publication date: February 19, 2015
    Inventors: Tomohito NAKANO, Katsuko AOKI, Shoki KASAHARA
  • Publication number: 20140160211
    Abstract: An ink jet recording method for forming an image by adhering water-based ink to a non-absorbing or low-absorbing medium, including: forming an image while heating the medium, in which the water-based ink contains a first solvent having a boiling point of 210° C. to 280° C., a second solvent having a boiling point of 150° C. to 280° C., a water-insoluble colorant, a water-soluble resin, thermoplastic resin particles, a silicon surfactant, and water, and the surface tension when the first solvent is formed into an aqueous solution is lower than the surface tension when the second solvent is formed into an aqueous solution.
    Type: Application
    Filed: February 13, 2014
    Publication date: June 12, 2014
    Applicant: Seiko Epson Corporation
    Inventor: Katsuko AOKI
  • Publication number: 20140098169
    Abstract: An ink jet recording method includes a first process in which a coloring ink is recorded on a recording medium using an ink jet head so as to form a first image, a second process in which a background ink is recorded using the ink jet head so as to form a background image that covers the first image, and a third process in which a coloring ink is recorded using the ink jet head so as to form a second image, and a drying process is included between the first process and the third process.
    Type: Application
    Filed: December 12, 2013
    Publication date: April 10, 2014
    Applicant: Seiko Epson Corporation
    Inventors: Katsuko AOKI, Yoshiko AZAMI, Shoki KASAHARA