Patents by Inventor Hiroaki Kida

Hiroaki Kida 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: 12291641
    Abstract: A metal pigment composition of the present disclosure is a coloring composition or a composition to be used for preparation of the coloring composition and includes: a metal pigment; a polyoxyalkyleneamine compound; and a liquid medium component, the metal pigment includes metal particles, the metal particles are surface-modified with a surface treatment agent, and the surface treatment agent is at least one selected from the group consisting of a compound represented by the following formula (1) and a compound represented by the following formula (2) (A-R—O)aP(O)(OH)3-a??(1) (A-R)P(O)(OH)2??(2).
    Type: Grant
    Filed: January 28, 2022
    Date of Patent: May 6, 2025
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Hiroaki Kida, Shintaro Asai, Kei Hiruma, Tomoyuki Ushiyama, Mitsunobu Nakatani, Kenta Tsukada
  • Patent number: 12264250
    Abstract: A coloring composition of the present disclosure includes a metal pigment; an acrylic-based resin having an acid value of 200 mgKOH/g or less; and a liquid medium component, the metal pigment includes metal particles, the metal particles are surface-modified with a surface treatment agent, and the surface treatment agent includes at least one selected from the group consisting of a compound represented by the following formula (1) and a compound represented by the following formula (2).
    Type: Grant
    Filed: January 28, 2022
    Date of Patent: April 1, 2025
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Shintaro Asai, Hiroaki Kida, Kei Hiruma, Tomoyuki Ushiyama, Mitsunobu Nakatani, Kenta Tsukada
  • Patent number: 12109812
    Abstract: An ink jet printing method includes a metallic ink application step of ejecting a metallic ink composition containing a metallic pigment from an ink jet head to apply the metallic ink composition onto a printing medium, a heating step of heating the metallic ink composition applied on the printing medium with an infrared heater, and a coloring ink application step of ejecting a coloring ink composition containing a coloring material from an ink jet head to apply the coloring ink composition onto the metallic ink composition on the printing medium. Each of the metallic ink composition and the coloring ink composition is a water-based ink or a solvent-based ink.
    Type: Grant
    Filed: July 30, 2021
    Date of Patent: October 8, 2024
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Tomoyuki Ushiyama, Kei Hiruma, Hiroaki Kida, Shintaro Asai, Masaru Terada, Mitsunobu Nakatani
  • Patent number: 11999180
    Abstract: A recording method of the present disclosure, which is a recording method of performing recording on a recording medium by using a recording device including an ink jet head, includes ejecting a composition for ink jet from the ink jet head, in which the composition for ink jet contains a metal pigment, the metal pigment is formed of a plurality of scaly metal particles, the ink jet head includes a circulation flow path for circulating the composition for ink jet, and an average thickness of the metal particles determined by atomic force microscopy is 19 nm or less.
    Type: Grant
    Filed: December 27, 2021
    Date of Patent: June 4, 2024
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Kei Hiruma, Hiroshi Takiguchi, Masaru Terada, Shintaro Asai, Hiroaki Kida, Tomoyuki Ushiyama
  • Patent number: 11898042
    Abstract: The present invention provides a photocurable ink composition for ink jet recording with excellent curability. The photocurable ink composition for ink jet recording includes polymerizable compounds, a photopolymerization initiator, and a colorant, wherein the polymerizable compounds include a vinyl ether group-containing (meth)acrylate represented by general formula (I): CH2?CR1—COOR2—O—CH?CH—R3??(I) (wherein R1 is a hydrogen atom or a methyl group, R2 is a divalent organic residue having 2 to 20 carbon atoms, and R3 is a hydrogen atom or a monovalent organic residue having 1 to 11 carbon atoms) and phenoxyethyl (meth)acrylate.
    Type: Grant
    Filed: April 16, 2021
    Date of Patent: February 13, 2024
    Assignee: Seiko Epson Corporation
    Inventors: Hiroaki Kida, Hiroshi Fukumoto, Toru Saito, Keitaro Nakano, Hiroki Nakane
  • Publication number: 20230312959
    Abstract: Provided is an ink jet ink composition which is a solvent-based ink, the composition including a metal pigment, a polyoxyalkylene amine compound, and an organic solvent, in which the metal pigment is a metal particle having a surface treated with a surface treatment agent, the surface treatment agent is a compound represented by Formula (1) or Formula (2), the polyoxyalkylene amine compound includes a compound represented by Formula (3), and the compound represented by Formula (3) is formed such that an average of m/(m+n)×100 (%) is 20% or greater. (R1—)P(O)(OH)2??(1) (R2—O—)aP(O)(OH)3-a??(2) (In Formulae (1) and (2), R1 and R2 each independently represent a hydrocarbon group having 14 or more carbon atoms which may be substituted with a substituent, and a represents 1 or 2.
    Type: Application
    Filed: March 29, 2023
    Publication date: October 5, 2023
    Inventors: Hiroaki KIDA, Shintaro ASAI
  • Publication number: 20230312958
    Abstract: Provided is a recording method including an adhesion step of jetting an ink composition from an ink jet head and making the ink composition adhere to a recording medium, and a primary heating step of heating the recording medium in the adhesion step, in which the adhesion step includes a step in which a jetting frequency of the ink composition is 15 kHz or greater, the ink composition contains a metal pigment and a solvent component, the solvent component contains an organic solvent, and the metal pigment is a metal particle that has a scaly shape and has a surface treated with a compound represented by Formula (1) or Formula (2). (R1—)P(O)(OH)2??(1) (R2—O—)aP(O)(OH)3?a??(2) (In the formulae, R1 and R2 each independently represent a hydrocarbon group having 14 or more carbon atoms which may be substituted with a substituent, and a represents 1 or 2.
    Type: Application
    Filed: March 29, 2023
    Publication date: October 5, 2023
    Inventors: Hiroaki KIDA, Shintaro ASAI, Kei HIRUMA, Tomoyuki USHIYAMA, Mitsunobu NAKATANI, Kenta TSUKADA
  • Publication number: 20230272235
    Abstract: According to an embodiment of the present disclosure, provided is an ink jet ink composition which is a solvent-based ink, the composition including a metal pigment and an organic solvent, in which the metal pigment is a metal particle having a surface treated with a surface treatment agent, the surface treatment agent contains a compound represented by General Formula (1) and a compound represented by General Formula (2), and a mass ratio of a mass of the compound represented by General Formula (2) to a total mass of the compound represented by General Formula (1) and the compound represented by General Formula (2) is 45% by mass or less. (R—O—)P(O)(OH)2??(1) (R—O—)2P(O)(OH)??(2) (In the formulae, R's each independently represent a hydrocarbon group having 8 or more carbon atoms.
    Type: Application
    Filed: February 27, 2023
    Publication date: August 31, 2023
    Inventors: Shintaro ASAI, Hiroaki KIDA, Kei HIRUMA, Tomoyuki USHIYAMA, Mitsunobu NAKATANI, Kenta TSUKADA
  • Patent number: 11465420
    Abstract: An ink jet ink set includes a plurality of inks to be ejected by an ink jet method. The ink set includes a first ink containing metal particles, and a second ink containing a coloring agent selected from materials other than metal. The surface tension of the first ink is lower than that of the second ink.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: October 11, 2022
    Inventors: Hiroaki Kida, Hiroshi Takiguchi, Kenichiro Kubota, Akira Matsumoto
  • Publication number: 20220243081
    Abstract: A coloring composition of the present disclosure includes a metal pigment; an acrylic-based resin having an acid value of 200 mgKOH/g or less; and a liquid medium component, the metal pigment includes metal particles, the metal particles are surface-modified with a surface treatment agent, and the surface treatment agent includes at least one selected from the group consisting of a compound represented by the following formula (1) and a compound represented by the following formula (2).
    Type: Application
    Filed: January 28, 2022
    Publication date: August 4, 2022
    Inventors: Shintaro ASAI, Hiroaki KIDA, Kei HIRUMA, Tomoyuki USHIYAMA, Mitsunobu NAKATANI, Kenta TSUKADA
  • Publication number: 20220243080
    Abstract: A metal pigment composition of the present disclosure is a coloring composition or a composition to be used for preparation of the coloring composition and includes: a metal pigment; a polyoxyalkyleneamine compound; and a liquid medium component, the metal pigment includes metal particles, the metal particles are surface-modified with a surface treatment agent, and the surface treatment agent is at least one selected from the group consisting of a compound represented by the following formula (1) and a compound represented by the following formula (2).
    Type: Application
    Filed: January 28, 2022
    Publication date: August 4, 2022
    Inventors: Hiroaki KIDA, Shintaro ASAI, Kei HIRUMA, Tomoyuki USHIYAMA, Mitsunobu NAKATANI, Kenta TSUKADA
  • Publication number: 20220204787
    Abstract: An ink jet ink composition containing a metal pigment, and a liquid medium component, in which the metal pigment is made of a metal particle, the metal particle is surface-modified with a surface treatment agent, the surface treatment agent is at least one selected from the group consisting of a compound represented by formula (1) below and a compound represented by formula (2) below, and the ink jet ink composition is a water-based ink or a solvent-based ink: (R—O)aP(O)(OH)3-a ??(1) (R)P(O)(OH)2 ??(2) where R is independently a hydrocarbon group having a carbon skeleton having 13 or more carbon atoms, and a is 1 or 2.
    Type: Application
    Filed: December 27, 2021
    Publication date: June 30, 2022
    Inventors: Hiroaki KIDA, Shintaro ASAI, Kei HIRUMA, Tomoyuki USHIYAMA, Mitsunobu NAKATANI, Kenta TSUKADA, Masaru TERADA
  • Publication number: 20220203740
    Abstract: A recording method of the present disclosure, which is a recording method of performing recording on a recording medium by using a recording device including an ink jet head, includes ejecting a composition for ink jet from the ink jet head, in which the composition for ink jet contains a metal pigment, the metal pigment is formed of a plurality of scaly metal particles, the ink jet head includes a circulation flow path for circulating the composition for ink jet, and an average thickness of the metal particles determined by atomic force microscopy is 19 nm or less.
    Type: Application
    Filed: December 27, 2021
    Publication date: June 30, 2022
    Inventors: Kei HIRUMA, Hiroshi TAKIGUCHI, Masaru TERADA, Shintaro ASAI, Hiroaki KIDA, Tomoyuki USHIYAMA
  • Patent number: 11370930
    Abstract: A solvent-based ink composition is provided that includes: an organic solvent; a surface-treated metal powder; and a polyoxyethylene alkyl ether phosphoric acid compound, the content of the polyoxyethylene alkyl ether phosphoric acid compound with respect to the total mass of an ink is 0.1 to 10.0 percent by mass, and the surface-treated metal powder contains aluminum or an aluminum alloy and is surface-treated by a surface treating agent of a fluorine-based compound.
    Type: Grant
    Filed: December 25, 2017
    Date of Patent: June 28, 2022
    Inventors: Hiroshi Takiguchi, Hiroaki Kida, Masaru Terada, Naoyuki Toyoda, Atsushi Denda
  • Patent number: 11266671
    Abstract: A composition containing L-arginine and a glycosyl compound of formula (I): in which R is a moiety formed of a monosaccharide, a disaccharide, or an oligosaccharide including three to five monosaccharides; and the composition contains the glycosyl compound and L-arginine in a molar ratio of 1:1.6 to 1:3.0. Also disclosed is a method for preparing such a composition, as well as a composition prepared by the method.
    Type: Grant
    Filed: April 23, 2019
    Date of Patent: March 8, 2022
    Assignee: ALPS Pharmaceutical Ind. Co., Ltd.
    Inventors: Hiroaki Kida, Naoto Yamaguchi, Mitsunori Ono
  • Publication number: 20220032618
    Abstract: An ink jet printing method includes a metallic ink application step of ejecting a metallic ink composition containing a metallic pigment from an ink jet head to apply the metallic ink composition onto a printing medium, a heating step of heating the metallic ink composition applied on the printing medium with an infrared heater, and a coloring ink application step of ejecting a coloring ink composition containing a coloring material from an ink jet head to apply the coloring ink composition onto the metallic ink composition on the printing medium. Each of the metallic ink composition and the coloring ink composition is a water-based ink or a solvent-based ink.
    Type: Application
    Filed: July 30, 2021
    Publication date: February 3, 2022
    Inventors: Tomoyuki USHIYAMA, Kei HIRUMA, Hiroaki KIDA, Shintaro ASAI, Masaru TERADA, Mitsunobu NAKATANI
  • Publication number: 20210379093
    Abstract: A composition containing L-arginine and a glycosyl compound of formula (I): in which R is a moiety formed of a monosaccharide, a disaccharide, or an oligosaccharide including three to five monosaccharides; and the composition contains the glycosyl compound and L-arginine in a molar ratio of 1:1.6 to 1:3.0. Also disclosed is a method for preparing such a composition, as well as a composition prepared by the method.
    Type: Application
    Filed: April 23, 2019
    Publication date: December 9, 2021
    Inventors: Hiroaki Kida, Naoto Yamaguchi, Mitsunori Ono
  • Publication number: 20210301159
    Abstract: The present invention provides a photocurable ink composition for ink jet recording with excellent curability. The photocurable ink composition for ink jet recording includes polymerizable compounds, a photopolymerization initiator, and a colorant, wherein the polymerizable compounds include a vinyl ether group-containing (meth)acrylate represented by general formula (I): CH2?CR1—COOR2—O—CH?CH—R3??(I) (wherein R1 is a hydrogen atom or a methyl group, R2 is a divalent organic residue having 2 to 20 carbon atoms, and R3 is a hydrogen atom or a monovalent organic residue having 1 to 11 carbon atoms) and phenoxyethyl (meth)acrylate.
    Type: Application
    Filed: April 16, 2021
    Publication date: September 30, 2021
    Inventors: Hiroaki Kida, Hiroshi Fukumoto, Toru Saito, Keitaro Nakano, Hiroki Nakane
  • Publication number: 20210284856
    Abstract: A solvent-based ink composition is provided that includes: an organic solvent; a surface-treated metal powder; and a polyoxyethylene alkyl ether phosphoric acid compound, the content of the polyoxyethylene alkyl ether phosphoric acid compound with respect to the total mass of an ink is 0.1 to 10.0 percent by mass, and the surface-treated metal powder contains aluminum or an aluminum alloy and is surface-treated by a surface treating agent of a fluorine-based compound.
    Type: Application
    Filed: December 25, 2017
    Publication date: September 16, 2021
    Inventors: Hiroshi TAKIGUCHI, Hiroaki KIDA, Masaru TERADA, Naoyuki TOYODA, Atsushi DENDA
  • Patent number: 11118075
    Abstract: The present invention provides a photocurable ink composition for ink jet recording with excellent curability. The photocurable ink composition for ink jet recording includes polymerizable compounds, a photopolymerization initiator, and a colorant, wherein the polymerizable compounds include a vinyl ether group-containing (meth)acrylate represented by general formula (I): CH2?CR1—COOR2—O—CH?CH—R3??(I) (wherein R1 is a hydrogen atom or a methyl group, R2 is a divalent organic residue having 2 to 20 carbon atoms, and R3 is a hydrogen atom or a monovalent organic residue having 1 to 11 carbon atoms) and phenoxyethyl (meth)acrylate.
    Type: Grant
    Filed: March 31, 2020
    Date of Patent: September 14, 2021
    Assignee: Seiko Epson Corporation
    Inventors: Hiroaki Kida, Hiroshi Fukumoto, Toru Saito, Keitaro Nakano, Hiroki Nakane