Patents by Inventor Chiyoshige Nakazawa

Chiyoshige Nakazawa 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).

  • Method of forming opaque layer, recording process, ink set, ink cartridge, and recording apparatus
    Patent number: 9034427
    Abstract: A method of forming an opaque layer includes forming a first layer by discharging droplets of an ink composition containing a metallic pigment on a record medium by an ink-jet recording process and forming a second layer by discharging droplets of an ink composition containing a white pigment on the record medium by an ink-jet recording process. The opaque layer is formed on the record medium on the side where the first layer and the second layer are formed in a region where the first layer and the second layer overlap each other.
    Type: Grant
    Filed: February 27, 2009
    Date of Patent: May 19, 2015
    Assignee: Seiko Epson Corporation
    Inventors: Takashi Oyanagi, Chiyoshige Nakazawa, Kiyohiko Takemoto, Hiroki Nakane, Tsuyoshi Sano, Shuichi Koganehira
  • Ink set, ink container, inkjet recording method, recording device, and recorded matter
    Patent number: 8518169
    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: July 10, 2012
    Date of Patent: August 27, 2013
    Assignee: Seiko Epson Corporation
    Inventors: Takashi Oyanagi, Kiyohiko Takemoto, Chiyoshige Nakazawa
  • Inkjet-recording non-aqueous ink composition, inkjet recording method, and recorded matter
    Patent number: 8480799
    Abstract: An inkjet-recording non-aqueous ink composition including a metallic pigment, an organic solvent, and a cellulose acetate butyrate resin having a butyl content of 16.5 to 48%.
    Type: Grant
    Filed: September 30, 2010
    Date of Patent: July 9, 2013
    Assignee: Seiko Epson Corporation
    Inventors: Masaaki Itano, Takashi Oyanagi, Chiyoshige Nakazawa, Hiroki Nakane
  • INK SET, INK CONTAINER, INKJET RECORDING METHOD, RECORDING DEVICE, AND RECORDED MATTER
    Publication number: 20120274715
    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: July 10, 2012
    Publication date: November 1, 2012
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Takashi OYANAGI, Kiyohiko TAKEMOTO, Chiyoshige NAKAZAWA
  • Ink set, ink container, inkjet recording method, recording device, and recorded matter
    Patent number: 8257481
    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: September 22, 2011
    Date of Patent: September 4, 2012
    Assignee: Seiko Epson Corporation
    Inventors: Takashi Oyanagi, Kiyohiko Takemoto, Chiyoshige Nakazawa
  • Ink set, ink container, inkjet recording method, recording device, and recorded matter
    Patent number: 8257480
    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: October 27, 2010
    Date of Patent: September 4, 2012
    Assignee: Seiko Epson Corporation
    Inventors: Takashi Oyanagi, Kiyohiko Takemoto, Chiyoshige Nakazawa
  • Ink set, ink container, inkjet recording method, recording device, and recorded matter
    Patent number: 8231723
    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: October 27, 2010
    Date of Patent: July 31, 2012
    Assignee: Seiko Epson Corporation
    Inventors: Takashi Oyanagi, Kiyohiko Takemoto, Chiyoshige Nakazawa
  • Photocurable ink composition and inkjet recording method
    Patent number: 8227539
    Abstract: A photocurable ink composition includes: a polymerizable compound; a radical photopolymerization initiator; a hindered amine compound; and a metallic pigment, the polymerizable compound including an active hydrogen-containing functional group.
    Type: Grant
    Filed: August 11, 2008
    Date of Patent: July 24, 2012
    Assignee: Seiko Epson Corporation
    Inventors: Takashi Oyanagi, Keitaro Nakano, Masaaki Itano, Chiyoshige Nakazawa
  • INK SET, INK CONTAINER, INKJET RECORDING METHOD, RECORDING DEVICE, AND RECORDED MATTER
    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
  • Pigment dispersed liquid, production method for the same, and light curable ink composition using the pigment dispersed liquid
    Patent number: 7968621
    Abstract: Pigment dispersed liquid contains, at least: a colorant; a dispersant; and a polymerizable compound, the pigment dispersed liquid contain a substantial amount of a polymerization inhibitor.
    Type: Grant
    Filed: December 15, 2006
    Date of Patent: June 28, 2011
    Assignee: Seiko Epson Corporation
    Inventors: Takashi Oyanagi, Keitaro Nakano, Chiyoshige Nakazawa
  • INK SET, INK CONTAINER, INKJET RECORDING METHOD, RECORDING DEVICE, AND RECORDED MATTER
    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
  • INKJET-RECORDING NON-AQUEOUS INK COMPOSITION, INKJET RECORDING METHOD, AND RECORDED MATTER
    Publication number: 20110014440
    Abstract: An inkjet-recording non-aqueous ink composition including a metallic pigment, an organic solvent, and a cellulose acetate butyrate resin having a butyl content of 16.5 to 48%.
    Type: Application
    Filed: September 30, 2010
    Publication date: January 20, 2011
    Applicant: Seiko Epson Corporation
    Inventors: Masaaki Itano, Takashi Oyanagi, Chiyoshige Nakazawa, Hiroki Nakane
  • Ink set, ink container, inkjet recording method, recording device, and recorded matter
    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
  • Inkjet-recording non-aqueous ink composition, inkjet recording method, and recorded matter
    Patent number: 7828888
    Abstract: An inkjet-recording non-aqueous ink composition including a metallic pigment, an organic solvent, and a cellulose acetate butyrate resin having a butyl content of 16.5 to 48%.
    Type: Grant
    Filed: September 18, 2008
    Date of Patent: November 9, 2010
    Assignee: Seiko Epson Corporation
    Inventors: Masaaki Itano, Takashi Oyanagi, Chiyoshige Nakazawa, Hiroki Nakane
  • Polysilane compound and synthesis method, ultraviolet-ray curable ink composition, inkjet recording method and apparatus, and ink container
    Patent number: 7655745
    Abstract: The invention relates to a polysilane compound having a structure represented by the following formula 1 and an ultraviolet ray-curable ink composition containing the polysilane compound. Also, an inkjet recording method using the ultraviolet ray-curable ink composition and an ink container and an inkjet recording apparatus each containing the ultraviolet ray-curable ink composition therein are disclosed.
    Type: Grant
    Filed: February 14, 2008
    Date of Patent: February 2, 2010
    Assignee: Seiko Epson Corporation
    Inventors: Chiyoshige Nakazawa, Takashi Oyanagi, Keitaro Nakano, Masahiro Ueda
  • RADIATION-CURABLE INK COMPOSITION, RECORDING METHOD, RECORDED MATTER, INK SET, INK CARTRIDGE FOR INK JET RECORDING, INK JET RECORDING APPARATUS, RADIATION DETECTION METHOD, AND MANAGEMENT METHOD
    Publication number: 20090303304
    Abstract: A radiation-curable ink composition contains a dye; and a pigment having a color of a hue that is not adjacent to a hue of the color of the dye in ten hues of the Munsell color system.
    Type: Application
    Filed: May 28, 2009
    Publication date: December 10, 2009
    Inventors: Takashi OYANAGI, Chiyoshige Nakazawa
  • METHOD OF FORMING OPAQUE LAYER, RECORDING PROCESS, INK SET, INK CARTRIDGE, AND RECORDING APPARATUS
    Publication number: 20090220695
    Abstract: A method of forming an opaque layer includes forming a first layer by discharging droplets of an ink composition containing a metallic pigment on a record medium by an ink-jet recording process and forming a second layer by discharging droplets of an ink composition containing a white pigment on the record medium by an ink-jet recording process. The opaque layer is formed on the record medium on the side where the first layer and the second layer are formed in a region where the first layer and the second layer overlap each other.
    Type: Application
    Filed: February 27, 2009
    Publication date: September 3, 2009
    Inventors: Takashi Oyanagi, Chiyoshige Nakazawa, Kiyohiko Takemoto, Hiroki Nakane, Tsuyoshi Sano, Shuichi Koganehira
  • Photocurable ink composition and inkjet recording method
    Publication number: 20090208651
    Abstract: A photocurable ink composition includes: a polymerizable compound; a radical photopolymerization initiator; a hindered amine compound; and a metallic pigment, the polymerizable compound including an active hydrogen-containing functional group.
    Type: Application
    Filed: August 11, 2008
    Publication date: August 20, 2009
    Applicant: Seiko Epson Corporation
    Inventors: Takashi Oyanagi, Keitaro Nakano, Masaaki Itano, Chiyoshige Nakazawa
  • Aqueous ink composition, method for detecting ink using same, ink jet recording apparatus, and recording
    Publication number: 20090117350
    Abstract: A method for detecting an aqueous ink composition contained in an ink container, the aqueous ink composition containing at least one reducing sugar, includes measuring the type or concentration of the reducing sugar contained in the aqueous ink composition, and determining the type or remaining amount of the aqueous ink composition on the basis of the result.
    Type: Application
    Filed: November 7, 2008
    Publication date: May 7, 2009
    Applicant: Seiko Epson Corporation
    Inventors: Takashi Oyanagi, Kiyohiko Takemoto, Chiyoshige Nakazawa
  • Inkjet-recording non-aqueous ink composition, inkjet recording method, and recorded matter
    Publication number: 20090075036
    Abstract: An inkjet-recording non-aqueous ink composition including a metallic pigment, an organic solvent, and a cellulose acetate butyrate resin having a butyl content of 16.5 to 48%.
    Type: Application
    Filed: September 18, 2008
    Publication date: March 19, 2009
    Applicant: Seiko Epson Corporation
    Inventors: Masaaki Itano, Takashi Oyanagi, Chiyoshige Nakazawa, Hiroki Nakane