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).
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Patent number: 11945248Abstract: 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: GrantFiled: October 26, 2021Date of Patent: April 2, 2024Assignee: SEIKO EPSON CORPORATIONInventors: Takayoshi Kagata, Katsuko Aoki
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Publication number: 20220126618Abstract: 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: ApplicationFiled: October 26, 2021Publication date: April 28, 2022Inventors: Takayoshi KAGATA, Katsuko AOKI
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Publication number: 20200270808Abstract: 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: ApplicationFiled: February 26, 2020Publication date: August 27, 2020Inventors: Shugo HATTORI, Takayoshi KAGATA, Katsuko AOKI
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Patent number: 10487227Abstract: 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: GrantFiled: September 26, 2018Date of Patent: November 26, 2019Assignee: Seiko Epson CorporationInventors: Takayoshi Kagata, Hiroshi Fukumoto, Takeshi Yano, Miho Nakamura, Shugo Hattori, Katsuko Aoki, Shigeki Kawada
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Patent number: 10471707Abstract: 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: GrantFiled: July 25, 2018Date of Patent: November 12, 2019Assignee: Seiko Epson CorporationInventors: Katsuko Aoki, Shugo Hattori
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Publication number: 20190092953Abstract: 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: ApplicationFiled: September 26, 2018Publication date: March 28, 2019Inventors: Takayoshi KAGATA, Hiroshi FUKUMOTO, Takeshi YANO, Miho NAKAMURA, Shugo HATTORI, Katsuko AOKI, Shigeki KAWADA
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Publication number: 20190030882Abstract: 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: ApplicationFiled: July 25, 2018Publication date: January 31, 2019Inventors: Katsuko AOKI, Shugo HATTORI
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Patent number: 9605172Abstract: 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: GrantFiled: August 18, 2014Date of Patent: March 28, 2017Assignee: Seiko Epson CorporationInventors: Katsuko Aoki, Tomohito Nakano, Shoki Kasahara
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Patent number: 9567473Abstract: 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: GrantFiled: August 18, 2014Date of Patent: February 14, 2017Assignee: Seiko Epson CorporationInventors: Tomohito Nakano, Katsuko Aoki, Shoki Kasahara
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Patent number: 9376583Abstract: 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: GrantFiled: March 18, 2015Date of Patent: June 28, 2016Assignee: Seiko Epson CorporationInventors: Katsuko Aoki, Takayoshi Kagata, Masahiro Yatake, Shoki Kasahara
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Patent number: 9309421Abstract: 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: GrantFiled: July 10, 2013Date of Patent: April 12, 2016Assignee: SEIKO EPSON CORPORATIONInventors: Hiroshi Mukai, Katsuko Aoki
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Publication number: 20150267066Abstract: 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: ApplicationFiled: March 18, 2015Publication date: September 24, 2015Inventors: Katsuko AOKI, Takayoshi KAGATA, Masahiro YATAKE, Shoki KASAHARA
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Patent number: 9109132Abstract: 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: GrantFiled: August 18, 2014Date of Patent: August 18, 2015Assignee: Seiko Epson CorporationInventors: Tomohito Nakano, Katsuko Aoki, Shoki Kasahara
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Patent number: 9016818Abstract: 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: GrantFiled: December 12, 2013Date of Patent: April 28, 2015Assignee: Seiko Epson CorporationInventors: Katsuko Aoki, Yoshiko Azami, Shoki Kasahara
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Patent number: 9004657Abstract: 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: GrantFiled: January 30, 2013Date of Patent: April 14, 2015Assignee: Seiko Epson CorporationInventors: Katsuko Aoki, Tsuyoshi Sano, Yuji Aoki, Ippei Okuda, Shoki Kasahara
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Publication number: 20150049144Abstract: 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: ApplicationFiled: August 18, 2014Publication date: February 19, 2015Inventors: Katsuko AOKI, Tomohito NAKANO, Shoki KASAHARA
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Publication number: 20150049146Abstract: 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: ApplicationFiled: August 18, 2014Publication date: February 19, 2015Inventors: Tomohito NAKANO, Katsuko AOKI, Shoki KASAHARA
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Publication number: 20150049147Abstract: 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: ApplicationFiled: August 18, 2014Publication date: February 19, 2015Inventors: Tomohito NAKANO, Katsuko AOKI, Shoki KASAHARA
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Publication number: 20140160211Abstract: 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: ApplicationFiled: February 13, 2014Publication date: June 12, 2014Applicant: Seiko Epson CorporationInventor: Katsuko AOKI
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Publication number: 20140098169Abstract: 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: ApplicationFiled: December 12, 2013Publication date: April 10, 2014Applicant: Seiko Epson CorporationInventors: Katsuko AOKI, Yoshiko AZAMI, Shoki KASAHARA