Patents by Inventor Hideki Oguchi

Hideki Oguchi 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: 11292930
    Abstract: A textile printing ink jet ink composition set includes a textile printing ink jet ink composition having a hue angle ?h° within a range of 260° or more and 310° or less and a chroma C* of 45 or less, which are specified in the CIELAB color space, on a textile printing product after textile printing; and a textile printing ink jet ink composition having a hue angle ?h° within a range of 15° or more and 80° or less and a chroma C* of 65 or less, which are specified in the CIELAB color space, on a textile printing product after textile printing.
    Type: Grant
    Filed: February 12, 2019
    Date of Patent: April 5, 2022
    Inventors: Yoshitaka Miyajima, Yuki Wakushima, Nao Kozaka, Hideki Oguchi, Takuya Sonoyama
  • Patent number: 11255044
    Abstract: An ink jet recording method performed on a fabric to which a hydrotropic agent is attached includes attaching an ink jet composition for textile printing including a metal complex salt dye, in which a hue angle ?h° defined in CIELAB color space on printed textiles after printing is in a range of 260° or more and 310° or less, to the fabric using an ink jet method, in which there is a region in which a value of a ratio of a mass of the metal complex salt dye with respect to a total mass of dyes included in the ink jet composition for textile printing is 0.6 or more and 1.0 or less, and a value of a ratio of mass of the metal complex salt dye with respect to a mass of the hydrotropic agent in the fabric is 0.2 or more and 1.0 or less.
    Type: Grant
    Filed: September 25, 2018
    Date of Patent: February 22, 2022
    Inventors: Yoshitaka Miyajima, Yuki Wakushima, Nao Kozaka, Hideki Oguchi, Takuya Sonoyama
  • Patent number: 11248135
    Abstract: An ink jet ink composition for textile printing including a dye containing copper or chromium and 5% to 30% by mass of a cyclic amide that is liquid at normal temperature and that has a normal boiling point in the range of 190° C. to 260° C., wherein the hue angle ?h° defined by the CIELAB color space on a recording medium ranges from 260 to 310 degrees.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: February 15, 2022
    Inventors: Yoshitaka Miyajima, Yuki Wakushima, Hideki Oguchi, Takuya Sonoyama
  • Patent number: 11088604
    Abstract: Provided is a variable magnetic flux-type permanent magnet rotary electric machine wherein a leakage magnetic flux leaking from a certain permanent magnet included in the rotor core to a permanent magnet circumferentially adjacent on either side of the certain permanent magnet is controlled by q-axis current and thereby a magnetic flux emanating from the certain permanent magnet and linking with the armature coil wound on the stator is controlled without forming a mechanically weak part in the rotor core.
    Type: Grant
    Filed: July 26, 2018
    Date of Patent: August 10, 2021
    Assignee: FUJI ELECTRIC CO., LTD.
    Inventors: Hideki Oguchi, Makoto Terajima, Hitoshi Nakazono
  • Patent number: 10894896
    Abstract: An ink jet ink composition for textile printing including a dye and 5% to 30% by mass of a cyclic amide that is liquid at normal temperature and that has a normal boiling point in the range of 190° C. to 260° C., wherein the hue angle ?h° defined by the CIELAB color space on a recording medium ranges from 15 to 80 degrees.
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: January 19, 2021
    Inventors: Yoshitaka Miyajima, Yuki Wakushima, Hideki Oguchi, Takuya Sonoyama
  • Patent number: 10396609
    Abstract: Magnetic flux short-circuit preventing slits extend from opposite ends of two permanent magnets in an outer circumferential surface of a rotor toward a center of a magnetic pole. Grooves formed in the outer circumferential surface can be located at a distance from each other symmetrically with respect to the center of the magnetic pole and at a distance from a groove of an adjacent magnetic pole in the outer circumferential surface. Relations are established as ?f=n×?s and ?s=n×?s where ?s designates a pitch of stator winding slots, which pitch is converted into an angle around a rotation center, ?f designates an angle between the magnetic flux short-circuit preventing slits, ?s designates an angle between the grooves, and n designates a predetermined integer. Thereby, a permanent magnet-embedded type rotary electric machine in which the influence of a manufacturing error can be minimized so that cogging torque can be reduced stably.
    Type: Grant
    Filed: August 12, 2014
    Date of Patent: August 27, 2019
    Assignee: FUJI ELECTRIC CO., LTD.
    Inventors: Kenichi Mae, Hideki Oguchi
  • Publication number: 20190249025
    Abstract: A textile printing ink jet ink composition set includes a textile printing ink jet ink composition having a hue angle ?h° within a range of 260° or more and 310° or less and a chroma C* of 45 or less, which are specified in the CIELAB color space, on a textile printing product after textile printing; and a textile printing ink jet ink composition having a hue angle ?h° within a range of 15° or more and 80° or less and a chroma C* of 65 or less, which are specified in the CIELAB color space, on a textile printing product after textile printing.
    Type: Application
    Filed: February 12, 2019
    Publication date: August 15, 2019
    Inventors: Yoshitaka MIYAJIMA, Yuki WAKUSHIMA, Nao KOZAKA, Hideki OGUCHI, Takuya SONOYAMA
  • Publication number: 20190093283
    Abstract: An ink jet recording method performed on a fabric to which a hydrotropic agent is attached includes attaching an ink jet composition for textile printing including a metal complex salt dye, in which a hue angle ?h° defined in CIELAB color space on printed textiles after printing is in a range of 260° or more and 310° or less, to the fabric using an ink jet method, in which there is a region in which a value of a ratio of a mass of the metal complex salt dye with respect to a total mass of dyes included in the ink jet composition for textile printing is 0.6 or more and 1.0 or less, and a value of a ratio of mass of the metal complex salt dye with respect to a mass of the hydrotropic agent in the fabric is 0.2 or more and 1.0 or less.
    Type: Application
    Filed: September 25, 2018
    Publication date: March 28, 2019
    Inventors: Yoshitaka MIYAJIMA, Yuki WAKUSHIMA, Nao KOZAKA, Hideki OGUCHI, Takuya SONOYAMA
  • Publication number: 20190097509
    Abstract: Provided is a variable magnetic flux-type permanent magnet rotary electric machine wherein a leakage magnetic flux leaking from a certain permanent magnet included in the rotor core to a permanent magnet circumferentially adjacent on either side of the certain permanent magnet is controlled by q-axis current and thereby a magnetic flux emanating from the certain permanent magnet and linking with the armature coil wound on the stator is controlled without forming a mechanically weak part in the rotor core.
    Type: Application
    Filed: July 26, 2018
    Publication date: March 28, 2019
    Inventors: Hideki OGUCHI, Makoto TERAJIMA, Hitoshi NAKAZONO
  • Publication number: 20180179406
    Abstract: An ink jet ink composition for textile printing including a dye and 5% to 30% by mass of a cyclic amide that is liquid at normal temperature and that has a normal boiling point in the range of 190° C. to 260° C., wherein the hue angle ?h° defined by the CIELAB color space on a recording medium ranges from 15 to 80 degrees.
    Type: Application
    Filed: November 30, 2017
    Publication date: June 28, 2018
    Inventors: Yoshitaka MIYAJIMA, Yuki WAKUSHIMA, Hideki OGUCHI, Takuya SONOYAMA
  • Publication number: 20180179407
    Abstract: An ink jet ink composition for textile printing including a dye containing copper or chromium and 5% to 30% by mass of a cyclic amide that is liquid at normal temperature and that has a normal boiling point in the range of 190° C. to 260° C., wherein the hue angle ?h° defined by the CIELAB color space on a recording medium ranges from 260 to 310 degrees.
    Type: Application
    Filed: December 21, 2017
    Publication date: June 28, 2018
    Inventors: Yoshitaka MIYAJIMA, Yuki WAKUSHIMA, Hideki OGUCHI, Takuya SONOYAMA
  • Patent number: 9777177
    Abstract: There is provided an ink jet ink set for sublimation transfer, including: a first ink composition; and a second ink composition, in which the first ink composition contains a first disperse dye having a molecular weight of 340 or less, and the second ink composition contains a second disperse dye having a molecular weight of 360 or more.
    Type: Grant
    Filed: May 19, 2015
    Date of Patent: October 3, 2017
    Assignee: Seiko Epson Corporation
    Inventors: Hideki Oguchi, Akio Ito
  • Patent number: 9765221
    Abstract: Provided is an orange ink composition for a sublimation transfer, which contains an aromatic compound having a specific structure.
    Type: Grant
    Filed: July 28, 2016
    Date of Patent: September 19, 2017
    Assignee: Seiko Epson Corporation
    Inventors: Hideki Oguchi, Takeshi Yano
  • Patent number: 9745486
    Abstract: There is provided an ink jet ink set for sublimation transfer, including: a first ink composition containing a first disperse dye and a first dispersant; and a second ink composition containing a second disperse dye and a second dispersant, in which the first disperse dye is the same as the second disperse dye, the content of the first disperse dye in the first ink composition is equal to or greater than the content of the second disperse dye in the second ink composition, the ratio A of the content of the first disperse dye in the first ink composition to the content of the first dispersant in the first ink composition is equal to or greater than the ratio B of the content of the second disperse dye in the second ink composition to the content of the second dispersant in the second ink composition.
    Type: Grant
    Filed: May 19, 2015
    Date of Patent: August 29, 2017
    Assignee: Seiko Epson Corporation
    Inventors: Hideki Oguchi, Akihito Sao, Yasunari Ikeda, Miho Nakamura, Shinichi Naito
  • Patent number: 9732466
    Abstract: Provided is a sublimation transfer ink set including a yellow ink composition containing a yellow dye; a magenta ink composition containing a magenta dye; a cyan ink composition containing a cyan dye; a first black ink composition; and a second black ink composition, in which the first black ink composition contains the yellow dye and the magenta dye, and the cyan dye, and the second black ink composition contains a C.I. disperse blue 360.
    Type: Grant
    Filed: January 19, 2016
    Date of Patent: August 15, 2017
    Assignee: Seiko Epson Corporation
    Inventors: Hideki Oguchi, Yasunari Ikeda, Shinichi Naito, Takeshi Yano, Miho Nakamura
  • Patent number: 9718978
    Abstract: There is provided an ink set including a water-based cleaning transportation liquid, and a disperse dye ink composition, in which the water-based cleaning transportation liquid includes water and at least one of an aromatic sulfonate formalin condensate and a lignin sulfonate as a dispersing agent I, without including a coloring material, and the disperse dye ink composition includes a disperse dye, water, and a dispersing agent II.
    Type: Grant
    Filed: March 7, 2016
    Date of Patent: August 1, 2017
    Assignee: Seiko Epson Corporation
    Inventors: Miho Nakamura, Yasunari Ikeda, Hideki Oguchi, Takeshi Yano, Shinichi Naito
  • Patent number: 9695296
    Abstract: An ink jet black ink composition for sublimation transfer includes water, a water-soluble organic solvent, C.I. Disperse Blue 360, and two or more disperse dyes that achieve a reflectance of less than 0.1 at a wavelength of 380 nm or more and 520 nm or less on a dyed article.
    Type: Grant
    Filed: January 18, 2016
    Date of Patent: July 4, 2017
    Assignee: Seiko Epson Corporation
    Inventors: Hideki Oguchi, Yasunari Ikeda, Shinichi Naito, Takeshi Yano, Miho Nakamura
  • Publication number: 20170037249
    Abstract: Provided is an orange ink composition for a sublimation transfer, which contains an aromatic compound having a specific structure.
    Type: Application
    Filed: July 28, 2016
    Publication date: February 9, 2017
    Inventors: Hideki OGUCHI, Takeshi YANO
  • Patent number: 9534128
    Abstract: An ink jet ink composition for sublimation transfer includes dye A and a dye B, in which the dye A is a disperse dye which has a molecular weight of 380 or less and an anthraquinone skeleton having a water-soluble group in a molecule, the dye B is a disperse dye which has a molecular weight of 400 or greater, and in the ink jet ink composition for sublimation transfer, dye solubility of the dye A is greater than dye solubility of the dye B.
    Type: Grant
    Filed: November 13, 2014
    Date of Patent: January 3, 2017
    Assignee: Seiko Epson Corporation
    Inventors: Hideki Oguchi, Akihito Sao, Yasunari Ikeda, Miho Nakamura, Shinichi Naito
  • Publication number: 20160264803
    Abstract: There is provided an ink set including a water-based cleaning transportation liquid, and a disperse dye ink composition, in which the water-based cleaning transportation liquid includes water and at least one of an aromatic sulfonate formalin condensate and a lignin sulfonate as a dispersing agent I, without including a coloring material, and the disperse dye ink composition includes a disperse dye, water, and a dispersing agent II.
    Type: Application
    Filed: March 7, 2016
    Publication date: September 15, 2016
    Inventors: Miho NAKAMURA, Yasunari IKEDA, Hideki OGUCHI, Takeshi YANO, Shinichi NAITO