Patents by Inventor Takashi Oyanagi

Takashi Oyanagi 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).

  • Publication number: 20210130632
    Abstract: An ink for producing a shaped article includes a photopolymerizable compound, and 5% by volume to 95% by volume of air bubbles relative to the total volume of the ink.
    Type: Application
    Filed: June 11, 2020
    Publication date: May 6, 2021
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Yasuo YAMAMOTO, Mieko SEKI, Takashi KIKUCHI, Takashi OYANAGI
  • Patent number: 10780707
    Abstract: A pigment dispersion containing a metal pigment, wherein the metal pigment contains plate-like particles, and in the case where the longitudinal diameter on the planar surface of the plate-like particle is X, the lateral diameter is Y, and the thickness is Z, the 50% average particle diameter R50 of a corresponding circle determined from the surface area in the X-Y plane of the plate-like particle is between 0.5 and 3 ?m, and the condition R50/Z>5 is satisfied.
    Type: Grant
    Filed: October 18, 2019
    Date of Patent: September 22, 2020
    Assignee: Seiko Epson Corporation
    Inventors: Takashi Oyanagi, Keitaro Nakano
  • Publication number: 20200047514
    Abstract: A pigment dispersion containing a metal pigment, wherein the metal pigment contains plate-like particles, and in the case where the longitudinal diameter on the planar surface of the plate-like particle is X, the lateral diameter is Y, and the thickness is Z, the 50% average particle diameter R50 of a corresponding circle determined from the surface area in the X-Y plane of the plate-like particle is between 0.5 and 3 ?m, and the condition R50/Z>5 is satisfied.
    Type: Application
    Filed: October 18, 2019
    Publication date: February 13, 2020
    Inventors: Takashi OYANAGI, Keitaro NAKANO
  • Patent number: 10486433
    Abstract: A pigment dispersion containing a metal pigment, wherein the metal pigment contains plate-like particles, and in the case where the longitudinal diameter on the planar surface of the plate-like particle is X, the lateral diameter is Y, and the thickness is Z, the 50% average particle diameter R50 of a corresponding circle determined from the surface area in the X-Y plane of the plate-like particle is between 0.5 and 3 ?m, and the condition R50/Z>5 is satisfied.
    Type: Grant
    Filed: July 17, 2018
    Date of Patent: November 26, 2019
    Assignee: Seiko Epson Corporation
    Inventors: Takashi Oyanagi, Keitaro Nakano
  • Patent number: 10421856
    Abstract: A three-dimension forming support material includes a photocurable compound that contains an urethane (meth)acrylate and a non-photocurable polymer having a hydroxyl value of 60 mgKOH/g to 300 mgKOH/g.
    Type: Grant
    Filed: July 23, 2015
    Date of Patent: September 24, 2019
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Takashi Morikawa, Takashi Oyanagi, Hiroshi Inoue, Jun Kawahara
  • Patent number: 10336908
    Abstract: A three-dimension forming support material for ink jet includes a warm water-soluble radiation curable compound that exhibits solubility in warm water of at least 40° C. to 90° C. after the compound is cured; and at least one polyglycerin compound selected from the group consisting of fatty acid esters of polyglycerin, ethylene oxide adducts of polyglycerin, and propylene oxide adducts of polyglycerin.
    Type: Grant
    Filed: July 28, 2016
    Date of Patent: July 2, 2019
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Takashi Morikawa, Takashi Oyanagi, Naoki Hiji
  • Publication number: 20180319174
    Abstract: A pigment dispersion containing a metal pigment, wherein the metal pigment contains plate-like particles, and in the case where the longitudinal diameter on the planar surface of the plate-like particle is X, the lateral diameter is Y, and the thickness is Z, the 50% average particle diameter R50 of a corresponding circle determined from the surface area in the X-Y plane of the plate-like particle is between 0.5 and 3 ?m, and the condition R50/Z>5 is satisfied.
    Type: Application
    Filed: July 17, 2018
    Publication date: November 8, 2018
    Inventors: Takashi OYANAGI, Keitaro NAKANO
  • Patent number: 10100210
    Abstract: An ink includes a radiation-curable compound, a liquid matter which is incompatible with the radiation-curable compound and is dispersed in a state of droplets, and a surfactant.
    Type: Grant
    Filed: August 13, 2015
    Date of Patent: October 16, 2018
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Hiroshi Kayashima, Jun Kawahara, Takashi Oyanagi
  • Patent number: 10059121
    Abstract: A pigment dispersion containing a metal pigment, wherein the metal pigment contains plate-like particles, and in the case where the longitudinal diameter on the planar surface of the plate-like particle is X, the lateral diameter is Y, and the thickness is Z, the 50% average particle diameter R50 of a corresponding circle determined from the surface area in the X-Y plane of the plate-like particle is between 0.5 and 3 ?m, and the condition R50/Z>5 is satisfied.
    Type: Grant
    Filed: August 15, 2017
    Date of Patent: August 28, 2018
    Assignee: Seiko Epson Corporation
    Inventors: Takashi Oyanagi, Keitaro Nakano
  • Publication number: 20170341411
    Abstract: A pigment dispersion containing a metal pigment, wherein the metal pigment contains plate-like particles, and in the case where the longitudinal diameter on the planar surface of the plate-like particle is X, the lateral diameter is Y, and the thickness is Z, the 50% average particle diameter R50 of a corresponding circle determined from the surface area in the X-Y plane of the plate-like particle is between 0.5 and 3 ?m, and the condition R50/Z>5 is satisfied.
    Type: Application
    Filed: August 15, 2017
    Publication date: November 30, 2017
    Inventors: Takashi OYANAGI, Keitaro NAKANO
  • Patent number: 9790386
    Abstract: The present invention is directed to an ultraviolet curing ink jet ink composition which contains at least a polymerizable compound and a photopolymerization initiator, and is free from an aqueous solvent. The polymerizable compound comprises at least a urethane oligomer, and the photopolymerization initiator comprises an acylphosphineoxide and ?-hydroxyketone. The polymerizable compound further comprises an allyl compound and/or an N-vinyl compound.
    Type: Grant
    Filed: August 24, 2015
    Date of Patent: October 17, 2017
    Assignee: Seiko Epson Corporation
    Inventors: Keitaro Nakano, Takashi Oyanagi
  • Patent number: 9764559
    Abstract: A pigment dispersion containing a metal pigment, wherein the metal pigment contains plate-like particles, and in the case where the longitudinal diameter on the planar surface of the plate-like particle is X, the lateral diameter is Y, and the thickness is Z, the 50% average particle diameter R50 of a corresponding circle determined from the surface area in the X-Y plane of the plate-like particle is between 0.5 and 3 ?m, and the condition R50/Z>5 is satisfied.
    Type: Grant
    Filed: December 12, 2016
    Date of Patent: September 19, 2017
    Assignee: Seiko Epson Corporation
    Inventors: Takashi Oyanagi, Keitaro Nakano
  • Publication number: 20170240751
    Abstract: A three-dimension forming support material for ink jet includes a warm water-soluble radiation curable compound that exhibits solubility in warm water of at least 40° C. to 90° C. after the compound is cured; and at least one polyglycerin compound selected from the group consisting of fatty acid esters of polyglycerin, ethylene oxide adducts of polyglycerin, and propylene oxide adducts of polyglycerin.
    Type: Application
    Filed: July 28, 2016
    Publication date: August 24, 2017
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Takashi MORIKAWA, Takashi OYANAGI, Naoki HIJI
  • Patent number: 9701816
    Abstract: A three-dimension forming material includes a radiation curable compound and a benzotriazole derivative.
    Type: Grant
    Filed: January 4, 2016
    Date of Patent: July 11, 2017
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Takashi Morikawa, Takashi Oyanagi
  • Publication number: 20170158895
    Abstract: An ink set includes a metallic ink composition containing a metal pigment and at least one curable ink composition selected from the group consisting of a chromatic ink composition, a black ink composition, and a white ink composition.
    Type: Application
    Filed: February 24, 2017
    Publication date: June 8, 2017
    Applicant: Seiko Epson Corporation
    Inventors: Takashi Oyanagi, Keitaro Nakano
  • Patent number: 9616675
    Abstract: An ink set includes a metallic ink composition containing a metal pigment and at least one curable ink composition selected from the group consisting of a chromatic ink composition, a black ink composition, and a white ink composition.
    Type: Grant
    Filed: October 14, 2014
    Date of Patent: April 11, 2017
    Assignee: Seiko Epson Corporation
    Inventors: Takashi Oyanagi, Keitaro Nakano
  • Patent number: 9616685
    Abstract: A recording apparatus includes an endless belt that transports a recording medium by supporting a first surface of a tape-like recording medium on a support surface; and a recording head that performs recording by ejecting ink on a second surface that is an attachment surface coated with an adhesive on the opposite side to the first surface of the recording medium transported by the endless belt.
    Type: Grant
    Filed: October 1, 2014
    Date of Patent: April 11, 2017
    Assignee: Seiko Epson Corporation
    Inventor: Takashi Oyanagi
  • Publication number: 20170088728
    Abstract: A pigment dispersion containing a metal pigment, wherein the metal pigment contains plate-like particles, and in the case where the longitudinal diameter on the planar surface of the plate-like particle is X, the lateral diameter is Y, and the thickness is Z, the 50% average particle diameter R50 of a corresponding circle determined from the surface area in the X-Y plane of the plate-like particle is between 0.5 and 3 ?m, and the condition R50/Z>5 is satisfied.
    Type: Application
    Filed: December 12, 2016
    Publication date: March 30, 2017
    Inventors: Takashi OYANAGI, Keitaro NAKANO
  • Publication number: 20170066197
    Abstract: A method of preparing a three-dimensional structure, includes forming a structure made of a cured product of a three-dimension forming material, forming a support portion which supports at least a part of the structure and includes a gas generating component at least at a site which contacts with the structure, generating a gas in the support portion, the gas being derived from the gas generating component, and removing the support portion from the structure.
    Type: Application
    Filed: January 15, 2016
    Publication date: March 9, 2017
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Takashi MORIKAWA, Takashi OYANAGI, Toshitake YUI
  • Publication number: 20170029613
    Abstract: A three-dimension forming material includes a radiation curable compound and has a total concentration of a magnesium ion and a calcium ion of 50 ppm or less, a concentration of an alkali metal ion of 100 ppm or less, and a concentration of a fatty acid compound of 50 ppm or less.
    Type: Application
    Filed: April 15, 2016
    Publication date: February 2, 2017
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Takashi OYANAGI, Takashi MORIKAWA, Toshitake YUI