Patents by Inventor Kiyohiko Takemoto

Kiyohiko Takemoto 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: 8192538
    Abstract: A method for producing a reduced-moisture-content-solvent ink composition includes reducing the moisture content of a pigment dispersion containing a metal pigment and a dispersion medium or an ink composition containing the pigment dispersion and an organic solvent by bubbling treatment using an inert gas having a water vapor content of 2.0 mg/L or less.
    Type: Grant
    Filed: October 6, 2010
    Date of Patent: June 5, 2012
    Assignee: Seiko Epson Corporation
    Inventors: Takashi Oyanagi, Kiyohiko Takemoto
  • Publication number: 20120058285
    Abstract: Provided is a method of producing a transfer medium including attaching ink which contains a resin and is discharged from an ink jet head onto a substrate; evaporating at least a part of the liquid component included in the ink having been attached to the substrate; and attaching adhesive liquid which contains a resin and is discharged from the ink jet head to a substrate surface where the ink in which at least a part of the liquid component has been evaporated is attached.
    Type: Application
    Filed: September 2, 2011
    Publication date: March 8, 2012
    Applicant: Seiko Epson Corporation
    Inventor: Kiyohiko Takemoto
  • Publication number: 20120055361
    Abstract: A method for making a printing plate includes an operation that ejects an ink onto a printing original plate from an ink jet head. The ink contains water, a pigment, a resin, a first organic compound having a boiling point of 260° C. or more at 1 atmospheric pressure or a melting point of 90° C. or more at 1 atmospheric pressure, and a second organic compound having a boiling point in the range of 100 to 250° C. at 1 atmospheric pressure.
    Type: Application
    Filed: August 5, 2011
    Publication date: March 8, 2012
    Inventor: Kiyohiko TAKEMOTO
  • Publication number: 20120006224
    Abstract: An ink set, comprising: an oil based ink composition containing a metallic pigment; and at least one or more oil based ink compositions selected from a group consisting of a chromatic color ink composition containing chromatic color pigment, a black ink composition containing black pigment, and a white ink composition containing white pigment.
    Type: Application
    Filed: September 22, 2011
    Publication date: January 12, 2012
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Takashi OYANAGI, Kiyohiko TAKEMOTO, Chiyoshige NAKAZAWA
  • Publication number: 20110281032
    Abstract: An ink composition includes an aluminum pigment, a white pigment, and a dispersion solvent, wherein the ink composition has a structure in which the aluminum pigment is dispersed in the dispersion solvent and the content of the white pigment is 0.01% to 10% based on the content of the aluminum pigment, or includes silver particles, a white pigment, and water, wherein the particle diameter d90 in the particle diameter accumulation curve of the silver particles is 50 nm to 1 ?m, the ink composition has a structure in which the silver particles are dispersed in the water, and the content of the white pigment is 1% to 10% based on the content of the silver particles.
    Type: Application
    Filed: May 13, 2011
    Publication date: November 17, 2011
    Applicant: Seiko Epson Corporation
    Inventors: Takayoshi Kagata, Kiyohiko Takemoto, Tsuyoshi Sano, Shiki Hirata, Naoki Koike
  • Publication number: 20110200797
    Abstract: This invention provides a treatment liquid for an ink jet recording medium having a recording face of a plastic film, wherein the treatment liquid including at least a specific cyclic ester compound or a specific cyclic amide compound, a primer liquid for printing, and an ink composition. According to the present invention, a plastic recorded matter possessing excellent adhesion and waterfastness can be formed on a recording medium having a recording face of a plastic film.
    Type: Application
    Filed: April 26, 2011
    Publication date: August 18, 2011
    Inventors: Hiroshi MUKAI, Kiyohiko TAKEMOTO
  • Publication number: 20110200798
    Abstract: This invention provides a treatment liquid for an ink jet recording medium having a recording face of a plastic film, wherein the treatment liquid including at least a specific cyclic ester compound or a specific cyclic amide compound, a primer liquid for printing, and an ink composition. According to the present invention, a plastic recorded matter possessing excellent adhesion and waterfastness can be formed on a recording medium having a recording face of a plastic film.
    Type: Application
    Filed: April 26, 2011
    Publication date: August 18, 2011
    Inventors: Hiroshi MUKAI, Kiyohiko TAKEMOTO
  • Publication number: 20110200799
    Abstract: This invention provides a treatment liquid for an ink jet recording medium having a recording face of a plastic film, wherein the treatment liquid including at least a specific cyclic ester compound or a specific cyclic amide compound, a primer liquid for printing, and an ink composition. According to the present invention, a plastic recorded matter possessing excellent adhesion and waterfastness can be formed on a recording medium having a recording face of a plastic film.
    Type: Application
    Filed: April 26, 2011
    Publication date: August 18, 2011
    Inventors: Hiroshi MUKAI, Kiyohiko TAKEMOTO
  • Publication number: 20110181675
    Abstract: An ink jet recording system, contains a recording head that ejects ink to the surface of a target non-ink-absorbing or low ink-absorbing recording medium; a medium support portion that faces the recording head and supports the target recording medium from the back surface; a drying portion as a first fixing portion that evaporates a liquid ingredient of the ink that is ejected to the target recording medium from the recording head and adheres thereto; and a second fixing portion at the downstream side with respect to the drying portion of a feeding direction of the target recording medium, the second fixing portion is an irradiation device that irradiates the target recording medium with ultraviolet ray or electron beam, and the evaporation amount of the liquid ingredient in the drying portion is 40 to 70% by weight of the ink adhering to the target recording medium.
    Type: Application
    Filed: January 25, 2011
    Publication date: July 28, 2011
    Inventor: Kiyohiko TAKEMOTO
  • Patent number: 7964655
    Abstract: Disclosed is a liquid composition that, while maintaining good color developing properties and gloss, can realize good cleaning operation without staying of the liquid composition in a cleaning cap. The liquid composition is adapted for use with an ink composition for deposition on a recording medium and comprises a modified polyallylamine, a water soluble organic solvent, and water and is free from any colorant. The liquid composition and an ink composition each are deposited onto a recording medium to perform recording. A polymer comprising a recurring unit represented by formula (I) is used as the modified polyallylamine.
    Type: Grant
    Filed: February 17, 2004
    Date of Patent: June 21, 2011
    Assignee: Seiko Epson Corporation
    Inventors: Shuichi Kataoka, Kiyohiko Takemoto, Mitsumasa Hashimoto, Minoru Takeuchi
  • Patent number: 7936507
    Abstract: The invention relates to a screen for projectors which comprises a screen base in which at least two kinds of colorants selected from a colorant having an absorption wavelength region in 400 nm to 440 nm, a colorant having an absorption wavelength region in 470 nm to 510 nm, and a colorant having an absorption wavelength region in 570 nm to 610 nm are carried on the whole image display area of the screen base. Also disclosed are processes for producing the screen and projectors having the screen.
    Type: Grant
    Filed: December 4, 2007
    Date of Patent: May 3, 2011
    Assignee: Seiko Epson Corporation
    Inventors: Tsuyoshi Sano, Kiyohiko Takemoto
  • Publication number: 20110094411
    Abstract: A method for producing a reduced-moisture-content-solvent ink composition includes reducing the moisture content of a pigment dispersion containing a metal pigment and a dispersion medium or an ink composition containing the pigment dispersion and an organic solvent by bubbling treatment using an inert gas having a water vapor content of 2.0 mg/L or less.
    Type: Application
    Filed: October 6, 2010
    Publication date: April 28, 2011
    Inventors: Takashi Oyanagi, Kiyohiko Takemoto
  • Patent number: 7931743
    Abstract: A yellow ink composition includes C.I. Pigment Yellow and C.I. Pigment Yellow 74 as coloring agents. The ratio of a C.I. Pigment Yellow 185 content (percent by weight) to a C.I. Pigment Yellow 74 content (percent by weight) is in the range of 0.5 to 15. The yellow ink composition has a C.I. Pigment Yellow 185 content of 10% to 20% by weight and a C.I. Pigment Yellow 74 content of 10% to 20% by weight.
    Type: Grant
    Filed: January 29, 2009
    Date of Patent: April 26, 2011
    Assignee: Seiko Epson Corporation
    Inventors: Chie Saito, Miharu Kanaya, Kiyohiko Takemoto
  • Publication number: 20110063390
    Abstract: A recording method includes a first drying step of evaporating 50 to 85 wt % of ink adhering on a recording medium, the ink being ejected from a recording head onto a surface of the recording medium back side of which is supported on a medium-supporting unit which faces the recording head, and a second drying step of drying the recording medium, which has been subjected to the first drying step, at the downstream side of the medium-supporting unit in a feeding direction of the recording medium.
    Type: Application
    Filed: September 10, 2010
    Publication date: March 17, 2011
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Kiyohiko TAKEMOTO
  • Publication number: 20110054088
    Abstract: An ink composition, contains: an organic solvent, a metal pigment, and a resin, in which the organic solvent contains, based on the total amount of the ink composition, 60% by mass or more of diethylene glycol diethylether, 24 to 37% by mass of ?-butyrolactone and/or tetraethylene glycol dimethyl ether, and more than 1% by mass and lower than 5% by mass of tetraethylene glycol monobutyl ether, and the 50% average particle diameter in terms of sphere determined by a light scattering method of the metal pigment is 0.8 to 1.2 ?m.
    Type: Application
    Filed: August 30, 2010
    Publication date: March 3, 2011
    Inventors: Takashi OYANAGI, Kiyohiko Takemoto, Kazuaki Tsukiana
  • Publication number: 20110036266
    Abstract: An ink set, comprising: an oil based ink composition containing a metallic pigment; and at least one or more oil based ink compositions selected from a group consisting of a chromatic color ink composition containing chromatic color pigment, a black ink composition containing black pigment, and a white ink composition containing white pigment.
    Type: Application
    Filed: October 27, 2010
    Publication date: February 17, 2011
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Takashi OYANAGI, Kiyohiko TAKEMOTO, Chiyoshige NAKAZAWA
  • Patent number: 7871467
    Abstract: Disclosed is a five-color ink set for ink jet recording, which can realize good images excellent in lightfastness and waterfastness, as well as particularly in hue. The five-color ink set for ink jet recording comprises a cyan ink composition, a magenta ink composition, a yellow ink composition, a green ink composition and an orange ink composition, wherein the cyan ink composition comprises C.I. Pigment Blue 15:3 or C.I. Pigment Blue 15:4, the magenta ink composition comprises C.I. Pigment Red 122, C.I. Pigment Red 202, C.I. Pigment Red 209 or C.I. Pigment Violet 19, the yellow ink composition comprises C.I. Pigment Yellow 213, the green ink composition comprises C.I. Pigment Green 7 or C.I. Pigment Green 36, and the orange ink composition comprises C.I. Pigment Orange 64, C.I. Pigment Orange 43 or C.I. Pigment Orange 71.
    Type: Grant
    Filed: December 29, 2008
    Date of Patent: January 18, 2011
    Assignee: Seiko Epson Corporation
    Inventors: Tsuyoshi Sano, Kiyohiko Takemoto
  • Patent number: 7867327
    Abstract: There is provided an ink set for ink jet recording, which can realize lightfastness and waterfastness and, at the same time, can realize good images, especially images having a good hue. The ink set for ink jet recording comprises a cyan ink composition, a magenta ink composition, and a yellow ink composition, wherein the cyan ink composition comprises as a colorant at least one pigment selected from the group consisting of C.I. Pigment Blue 15:3 and C.I. Pigment Blue 15:4, the magenta ink composition comprises as a colorant at least one pigment selected from group consisting of C.I. Pigment Red 122, C.I. Pigment Red 202, C.I. Pigment Red 209, and C.I. Pigment Violet 19, and the yellow ink composition comprises as a colorant C.I. Pigment Yellow 213.
    Type: Grant
    Filed: May 23, 2008
    Date of Patent: January 11, 2011
    Assignee: Seiko Epson Corporation
    Inventors: Tsuyoshi Sano, Kiyohiko Takemoto
  • Patent number: 7846246
    Abstract: An ink set, comprising: an oil based ink composition containing a metallic pigment; and at least one or more oil based ink compositions selected from a group consisting of a chromatic color ink composition containing chromatic color pigment, a black ink composition containing black pigment, and a white ink composition containing white pigment.
    Type: Grant
    Filed: January 29, 2008
    Date of Patent: December 7, 2010
    Assignee: Seiko Epson Corporation
    Inventors: Takashi Oyanagi, Kiyohiko Takemoto, Chiyoshige Nakazawa
  • Patent number: 7806971
    Abstract: A yellow ink composition comprises C. I. Pigment Yellow 185 used as a colorant and has a pigment concentration of 10 to 20 weight percent.
    Type: Grant
    Filed: January 15, 2009
    Date of Patent: October 5, 2010
    Assignee: Seiko Epson Corporation
    Inventors: Chie Saito, Miharu Kanaya, Kiyohiko Takemoto