Patents by Inventor Atsushi SUGITATE

Atsushi SUGITATE 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).

  • Titanium oxide particle and method for producing the same
    Patent number: 10471417
    Abstract: A titanium oxide particle surface-treated with a silane compound having a hydrocarbon group has absorption at a wavelength of about 400 nm or more and about 800 nm or less in an ultraviolet-visible absorption spectrum, and has an absorption peak at a wave number of about 2700 cm?1 or more and about 3000 cm?1 or less in an infrared absorption spectrum.
    Type: Grant
    Filed: July 12, 2016
    Date of Patent: November 12, 2019
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Hidekazu Hirose, Hideaki Yoshikawa, Hiroyoshi Okuno, Takeshi Iwanaga, Yasunobu Kashima, Wataru Yamada, Sakae Takeuchi, Atsushi Sugitate
  • Silica particle comprising a titania coating and method for producing the same
    Patent number: 10265680
    Abstract: A silica particle includes a silica particle body and a titania coating layer formed on a surface of the silica particle body through a reaction of a titanium compound having a structure in which a hydrocarbon group bonds to a titanium atom through an oxygen atom. The silica particle has absorption at a wavelength of about 400 nm or more and about 800 nm or less in an ultraviolet-visible absorption spectrum.
    Type: Grant
    Filed: July 29, 2016
    Date of Patent: April 23, 2019
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Hideaki Yoshikawa, Hidekazu Hirose, Hiroyoshi Okuno, Takeshi Iwanaga, Yasunobu Kashima, Wataru Yamada, Sakae Takeuchi, Atsushi Sugitate
  • Toner set, image forming apparatus, and image forming method
    Patent number: 9864288
    Abstract: A toner set includes a brilliant toner including a brilliant pigment; and a chromatic toner including a coloring agent that is different from the brilliant pigment, wherein the toner set satisfies the following expression: 1.2?Q1/Q2?5.0 wherein Q1 represents an endothermic quantity of the brilliant toner and Q2 represents an endothermic quantity of the chromatic toner.
    Type: Grant
    Filed: July 2, 2015
    Date of Patent: January 9, 2018
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Shotaro Takahashi, Atsushi Sugitate, Masaru Takahashi, Sakiko Hirai, Satomi Hara
  • SILICA PARTICLE AND METHOD FOR PRODUCING THE SAME
    Publication number: 20170252724
    Abstract: A silica particle includes a silica particle body and a titania coating layer formed on a surface of the silica particle body through a reaction of a titanium compound having a structure in which a hydrocarbon group bonds to a titanium atom through an oxygen atom. The silica particle has absorption at a wavelength of about 400 nm or more and about 800 nm or less in an ultraviolet-visible absorption spectrum.
    Type: Application
    Filed: July 29, 2016
    Publication date: September 7, 2017
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Hideaki YOSHIKAWA, Hidekazu HIROSE, Hiroyoshi OKUNO, Takeshi IWANAGA, Yasunobu KASHIMA, Wataru YAMADA, Sakae TAKEUCHI, Atsushi SUGITATE
  • TITANIUM OXIDE PARTICLE AND METHOD FOR PRODUCING THE SAME
    Publication number: 20170252736
    Abstract: A titanium oxide particle surface-treated with a silane compound having a hydrocarbon group has absorption at a wavelength of about 400 nm or more and about 800 nm or less in an ultraviolet-visible absorption spectrum, and has an absorption peak at a wave number of about 2700 cm?1 or more and about 3000 cm?1 or less in an infrared absorption spectrum.
    Type: Application
    Filed: July 12, 2016
    Publication date: September 7, 2017
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Hidekazu HIROSE, Hideaki YOSHIKAWA, Hiroyoshi OKUNO, Takeshi IWANAGA, Yasunobu KASHIMA, Wataru YAMADA, Sakae TAKEUCHI, Atsushi SUGITATE
  • METATITANIC ACID PARTICLE AND METHOD FOR PRODUCING THE SAME
    Publication number: 20170253621
    Abstract: A metatitanic acid particle surface-treated with a silane compound having a hydrocarbon group has absorption at a wavelength of about 400 nm or more and about 800 nm or less in an ultraviolet-visible absorption spectrum, and has an absorption peak at a wave number of about 2700 cm?1 or more and about 3000 cm?1 or less in an infrared absorption spectrum.
    Type: Application
    Filed: July 15, 2016
    Publication date: September 7, 2017
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Hideaki YOSHIKAWA, Hidekazu HIROSE, Hiroyoshi OKUNO, Takeshi IWANAGA, Yasunobu KASHIMA, Wataru YAMADA, Sakae TAKEUCHI, Atsushi SUGITATE
  • BRILLIANT TONER, ELECTROSTATIC CHARGE IMAGE DEVELOPER, AND TONER CARTRIDGE
    Publication number: 20170090318
    Abstract: A brilliant toner includes toner particles containing a brilliant pigment, an organic pigment, a binder resin and a release agent; and an external additive, wherein a toluene insoluble portion other than the brilliant pigment and the external additive is from 8% by weight to 40% by weight.
    Type: Application
    Filed: February 19, 2016
    Publication date: March 30, 2017
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Atsushi SUGITATE, Masaru TAKAHASHI
  • BRILLIANT TONER, ELECTROSTATIC CHARGE IMAGE DEVELOPER, AND TONER CARTRIDGE
    Publication number: 20170090322
    Abstract: A brilliant toner includes a toner particle including a binder resin and a flake-shaped brilliant pigment, wherein an amount of a portion insoluble in toluene except for an inorganic substance in the brilliant toner is from 4% by weight to 30% by weight with respect to a total amount of the brilliant toner.
    Type: Application
    Filed: February 12, 2016
    Publication date: March 30, 2017
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Masaru TAKAHASHI, Atsushi SUGITATE
  • Toner set, image forming apparatus, and image forming method
    Patent number: 9557674
    Abstract: Provided is a toner set including at least a first brilliant toner that contains a brilliant pigment, and a second brilliant toner that contains a brilliant pigment and exhibits a different color from the first brilliant toner.
    Type: Grant
    Filed: April 2, 2013
    Date of Patent: January 31, 2017
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Sakiko Hirai, Shotaro Takahashi, Masaru Takahashi, Atsushi Sugitate, Shuji Sato
  • BRILLIANT TONER, ELECTROSTATIC IMAGE DEVELOPER, AND TONER CARTRIDGE
    Publication number: 20160216626
    Abstract: There is provided a brilliant toner containing a toner particle containing a binder resin, and flat-shaped brilliant pigments, wherein the number of the brilliant pigment contained is from 3.5 to 15 and the plurality of brilliant pigments are oriented mutually in the same direction, and an electrostatic image developer containing the brilliant toner and a carrier, and a toner cartridge storing the brilliant toner, which is able to be attached to and detached from an image forming apparatus.
    Type: Application
    Filed: July 29, 2015
    Publication date: July 28, 2016
    Inventors: Tetsuya TAGUCHI, Atsushi SUGITATE, Shinya SAKAMOTO, Satomi HARA
  • Brilliant toner and electrostatic charge image developer
    Patent number: 9389529
    Abstract: A brilliant toner includes a brilliant pigment, an azo yellow pigment, and a magenta pigment, wherein when a solid image in which a toner applied amount is 4.0 g/m2 is formed, color saturation of the image is 25 to 55, a hue angle is 65° to 95°, and lightness is 50 to 80.
    Type: Grant
    Filed: January 23, 2015
    Date of Patent: July 12, 2016
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Sakiko Hirai, Atsushi Sugitate, Masaru Takahashi, Shotaro Takahashi, Satomi Hara
  • TONER SET, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD
    Publication number: 20160195829
    Abstract: A toner set includes a brilliant toner including a brilliant pigment; and a chromatic toner including a coloring agent that is different from the brilliant pigment, wherein the toner set satisfies the following expression: 1.2?Q1/Q2?5.0 wherein Q1 represents an endothermic quantity of the brilliant toner and Q2 represents an endothermic quantity of the chromatic toner.
    Type: Application
    Filed: July 2, 2015
    Publication date: July 7, 2016
    Inventors: Shotaro TAKAHASHI, Atsushi SUGITATE, Masaru TAKAHASHI, Sakiko HIRAI, Satomi HARA
  • Brilliant toner, developer, toner cartridge, process cartridge, and image forming apparatus
    Patent number: 9383669
    Abstract: Provided is a brilliant toner containing a brilliant metallic pigment of which the surface is covered with at least one kind of metal oxides selected from a group consisting of silica, alumina, and titania, wherein the brilliant toner has a dielectric loss factor of from 10×10?3 to 60×10?3.
    Type: Grant
    Filed: February 28, 2013
    Date of Patent: July 5, 2016
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Masaru Takahashi, Sakiko Hirai, Shotaro Takahashi, Atsushi Sugitate, Shuji Sato
  • Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, and process cartridge
    Patent number: 9335647
    Abstract: An electrostatic charge image developing toner includes toner particles containing a binder resin containing a polyester resin, a particle of at least one selected from a styrene-(meth)acrylic resin particle and an acrylic resin particle, and a brilliant pigment.
    Type: Grant
    Filed: September 3, 2014
    Date of Patent: May 10, 2016
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Daisuke Noguchi, Masaru Takahashi, Atsushi Sugitate, Shuji Sato
  • Brilliant toner, electrostatic charge image developer, and toner cartridge
    Patent number: 9323175
    Abstract: A brilliant toner includes a metallic pigment, and a Fe content in the brilliant toner is from 0.001% by weight to 2% by weight.
    Type: Grant
    Filed: October 1, 2013
    Date of Patent: April 26, 2016
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Sakiko Hirai, Shotaro Takahashi, Masaru Takahashi, Atsushi Sugitate
  • Brilliant toner, electrostatic charge image developer, and toner cartridge
    Patent number: 9304425
    Abstract: A brilliant toner includes toner particles containing a brilliant pigment, and toner particles containing a yellow colorant without containing the brilliant pigment, wherein a ratio of the toner particles containing the yellow colorant without containing the brilliant pigment is 50% by number or greater.
    Type: Grant
    Filed: May 1, 2014
    Date of Patent: April 5, 2016
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Daisuke Noguchi, Sakiko Hirai, Masaru Takahashi, Atsushi Sugitate, Shuji Sato
  • BRILLIANT TONER AND ELECTROSTATIC CHARGE IMAGE DEVELOPER
    Publication number: 20160085169
    Abstract: A brilliant toner includes a brilliant pigment, an azo yellow pigment, and a magenta pigment, wherein when a solid image in which a toner applied amount is 4.0 g/m2 is formed, color saturation of the image is 25 to 55, a hue angle is 65° to 95°, and lightness is 50 to 80.
    Type: Application
    Filed: January 23, 2015
    Publication date: March 24, 2016
    Inventors: Sakiko HIRAI, Atsushi SUGITATE, Masaru TAKAHASHI, Shotaro TAKAHASHI, Satomi HARA
  • Brilliant toner, electrostatic charge image developer, and toner cartridge
    Patent number: 9239532
    Abstract: A brilliant toner contains a metallic pigment and a binder resin, and content of Zn is from 0.00005% by weight to 1.0% by weight.
    Type: Grant
    Filed: February 14, 2014
    Date of Patent: January 19, 2016
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Sakiko Hirai, Atsushi Sugitate, Masaru Takahashi, Makoto Kamisaki, Satomi Hara
  • ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER, ELECTROSTATIC CHARGE IMAGE DEVELOPER, AND TONER CARTRIDGE
    Publication number: 20160011533
    Abstract: An electrostatic charge image developing toner includes toner particles containing an aluminum pigment that is coated with silica and a binder resin, wherein the following formula is satisfied: A/B?0.040 where A represents a content (atom %) of a Si element of the toner particles and B represents a content (atom %) of a C element of the toner particles, A and B being measured by X-ray photoelectron spectroscopy (XPS).
    Type: Application
    Filed: January 9, 2015
    Publication date: January 14, 2016
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Satomi HARA, Atsushi SUGITATE, Masaru TAKAHASHI, Shotaro TAKAHASHI, Sakiko HIRAI
  • Brightness toner, development, toner cartridge, process cartridge, image forming apparatus, and method for producing the brightness toner
    Patent number: 9182692
    Abstract: An electrostatic image developing toner including: first toner particles which contain a first binder resin and a brightness pigment; and second toner particles which contain a second binder resin and do not contain a brightness pigment, wherein the proportion of the second toner particles is in a range from 5% by number to 80% by number with respect to a total number of all toner particles.
    Type: Grant
    Filed: February 1, 2012
    Date of Patent: November 10, 2015
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Masaru Takahashi, Shotaro Takahashi, Atsushi Sugitate, Shuji Sato