Patents by Inventor Hiroyuki Ueki

Hiroyuki Ueki 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: 10087293
    Abstract: A method for producing a rubber composition include a mixing step, a drying step, and a dispersion step. In the mixing step, an aqueous solution that includes at least one of oxycellulose fibers and cellulose nanofibers is mixed with rubber latex to obtain a first mixture. In the drying step, the first mixture is dried to obtain a second mixture. In the dispersion step, the second mixture is tight-milled using an open roll to obtain a rubber composition. The rubber composition does not include an aggregate that includes at least one of the oxycellulose fibers and the cellulose nanofibers, and has a diameter of 0.1 mm or more.
    Type: Grant
    Filed: August 24, 2017
    Date of Patent: October 2, 2018
    Assignees: NISSIN KOGYO CO., LTD., SHINSHU UNIVERSITY
    Inventors: Keiichi Kawamoto, Hiroyuki Ueki, Toru Noguchi, Kenichi Niihara
  • Patent number: 10059831
    Abstract: A carbon fiber composite material of the present invention includes: cell structures with an elastomer surrounded by a first carbon nanofiber and an interface phase thereof; cell structure assemblies as assemblies of more than one of the cell structures; and tie structures that join the cell structure assemblies to each other. The tie structures are formed by one or more first carbon nanofibers, one or more second carbon nanofibers, and the elastomer interface phase surrounding the one or more first carbon nanofibers and the one or more second carbon nanofibers.
    Type: Grant
    Filed: December 3, 2013
    Date of Patent: August 28, 2018
    Assignees: NISSIN KOGYO CO., LTD., SHINSHU UNIVERSITY
    Inventors: Hiroyuki Ueki, Toru Noguchi
  • Patent number: 9975352
    Abstract: An image forming device includes: a transporting route on which a recording medium is transported; an image forming unit that is provided on the transporting route and forms an image by discharging liquid droplets containing macromolecular particles on a front surface of the transported recording medium; a heating unit that heats the image formed on the front surface of the recording medium to a temperature higher than a glass transition point of the macromolecular particles; and a cooling unit that, before the image heated by the heating unit comes into contact with a member on the transporting route, cools the image formed on the front surface of the recording medium to a temperature equal to or lower than the glass transition point of the macromolecular particles in a non-contact state with the image.
    Type: Grant
    Filed: September 14, 2015
    Date of Patent: May 22, 2018
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Chikara Manabe, Hiroyuki Ueki
  • Publication number: 20180002494
    Abstract: A method for producing a rubber composition include a mixing step, a drying step, and a dispersion step. In the mixing step, an aqueous solution that includes at least one of oxycellulose fibers and cellulose nanofibers is mixed with rubber latex to obtain a first mixture. In the drying step, the first mixture is dried to obtain a second mixture. In the dispersion step, the second mixture is tight-milled using an open roll to obtain a rubber composition. The rubber composition does not include an aggregate that includes at least one of the oxycellulose fibers and the cellulose nanofibers, and has a diameter of 0.1 mm or more.
    Type: Application
    Filed: August 24, 2017
    Publication date: January 4, 2018
    Applicants: NISSIN KOGYO CO., LTD., SHINSHU UNIVERSITY
    Inventors: Keiichi KAWAMOTO, Hiroyuki UEKI, Toru NOGUCHI, Kenichi NIIHARA
  • Patent number: 9771461
    Abstract: A method for producing a rubber composition include a mixing step, a drying step, and a dispersion step. In the mixing step, an aqueous solution that includes at least one of oxycellulose fibers and cellulose nanofibers is mixed with rubber latex to obtain a first mixture. In the drying step, the first mixture is dried to obtain a second mixture. In the dispersion step, the second mixture is tight-milled using an open roll to obtain a rubber composition. The rubber composition does not include an aggregate that includes at least one of the oxycellulose fibers and the cellulose nanofibers, and has a diameter of 0.1 mm or more.
    Type: Grant
    Filed: October 16, 2014
    Date of Patent: September 26, 2017
    Assignees: NISSIN KOGYO CO., LTD., SHINSHU UNIVERSITY
    Inventors: Keiichi Kawamoto, Hiroyuki Ueki, Toru Noguchi, Kenichi Niihara
  • Patent number: 9724940
    Abstract: A recording method includes: ejecting aqueous ink to a surface of a recording medium by an ejection head, the aqueous ink containing a colorant, polymer particles having a glass-transition temperature Tg of 35° C. to 65° C., and a solvent containing water and an aqueous organic solvent, the aqueous ink having a viscosity ratio (V35/Vi) of a viscosity V35 that is obtained when the aqueous ink is heated at 35° C. for 30 minutes to an initial viscosity Vi of the aqueous ink being lower than 2.0 and a viscosity ratio (V65/Vi) of a viscosity V65 that is obtained when the aqueous ink is heated at 65° C. for 30 minutes to Vi being 8.0 to 20.0; and drying the aqueous ink ejected to the recording medium. The head temperature Th of the ejection head, the glass-transition temperature Tg, and the drying temperature Td satisfy an expression: Th<Tg<Td.
    Type: Grant
    Filed: August 12, 2016
    Date of Patent: August 8, 2017
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Hiroyuki Ueki, Mami Hatanaka, Toshitake Yui
  • Patent number: 9682574
    Abstract: A recording apparatus includes an ejecting head that ejects aqueous ink which includes a colorant, polymer particles, water, and an aqueous organic solvent, of which static surface tension is from 22 mN/m to 30 mN/m, and a difference between a value of dynamic surface tension after 10 msec and a value of dynamic surface tension after 1000 msec is greater than 2 mN/m and equal to or smaller than 10 mN/m, when dynamic surface tension is measured with a maximum bubble pressure technique, in an the ink droplet amount in a range of less than 10 pl.
    Type: Grant
    Filed: July 28, 2014
    Date of Patent: June 20, 2017
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Hiroyuki Ueki, Mami Hatanaka, Toshitake Yui
  • Patent number: 9663673
    Abstract: An ink includes pigment particles, polymer particles in such an amount that a total volume thereof is from 0.3 to 1.6 when a total volume of the pigment particles is taken as 1, water, and an aqueous organic solvent.
    Type: Grant
    Filed: February 10, 2016
    Date of Patent: May 30, 2017
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Hiroyuki Ueki, Mami Hatanaka
  • Patent number: 9566793
    Abstract: Provided is an image forming apparatus including an ejection section that ejects liquid droplets of plural colors including black liquid droplets, a control section that controls the ejection section such that the black liquid droplets and at least a part of the liquid droplets of other colors contact on a recording medium when preliminary ejection is performed on a non-image forming region of the recording medium, and a drying section that dries the liquid droplets of the plural colors.
    Type: Grant
    Filed: August 26, 2015
    Date of Patent: February 14, 2017
    Assignee: FUJI XEROX CO., LTD.
    Inventor: Hiroyuki Ueki
  • Patent number: 9522532
    Abstract: There is provided an ink jet recording apparatus equipped with an ink for ink jet recording, and a discharge unit that discharges a liquid droplet of the ink onto a recording medium, wherein the ink contains at least a colorant, a polymer particle, a water-soluble organic solvent, and water, and has a dynamic surface tension after 1 msec of 32 mN/m or less, a dynamic surface tension after 1 sec of less than 30 mN/m, when the dynamic surface tension is measured by a maximum bubble pressure method, and has a variation width in the dynamic surface tension for the period from 1 msec after to 1 sec after of from 0.2 mN/m to 3.0 mN/m, a recording speed is from 10 m/min to 50 m/min.
    Type: Grant
    Filed: February 12, 2015
    Date of Patent: December 20, 2016
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Hirohito Yoneyama, Hiroyuki Ueki, Mami Hatanaka, Reika Yomogida
  • Patent number: 9505235
    Abstract: A recording method includes ejecting an ink on an recording medium, wherein the ink includes a colorant, polymer particles, water, and an aqueous organic solvent, has a static surface tension of equal to or less than 30 mN/m, and has a fluctuation range of a dynamic surface tension from after 1 millisecond to after 1 second of from 0.2 mN/m to 2.0 mN/m when measuring the dynamic surface tension by a maximum bubble pressure method, and wherein the recording medium has a maximum liquid absorption amount of the ink within a contact time of 500 milliseconds measured by a dynamic scanning liquid absorption meter of equal to or greater than 5 ml/m2.
    Type: Grant
    Filed: January 22, 2015
    Date of Patent: November 29, 2016
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Mami Hatanaka, Hiroyuki Ueki, Reika Abe
  • Patent number: 9498976
    Abstract: There is provided an ultraviolet-curable aqueous ink containing: a continuous phase containing water; and a dispersed phase dispersed in the continuous phase, wherein the dispersed phase contains a water-insoluble ultraviolet polymerizable compound, and a water-insoluble ultraviolet polymerization initiator having an absorption at a wavelength range of 375 nm or more and 450 nm or less.
    Type: Grant
    Filed: December 12, 2013
    Date of Patent: November 22, 2016
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Yoshiro Yamashita, Hiroyuki Ueki, Mami Hatanaka, Daisuke Nakashima, Toshitake Yui, Naoki Morita
  • Publication number: 20160319087
    Abstract: An oilfield apparatus includes a seal member. The seal member is formed of a rubber composition that includes a rubber, and at least either oxycellulose fibers or cellulose nanofibers that are dispersed in the rubber in an untangled state, and does not include an aggregate that includes at least either the oxycellulose fibers or the cellulose nanofibers and has a diameter of 0.1 mm or more. The rubber composition includes at least either the oxycellulose fibers or the cellulose nanofibers in a ratio of 1 to 60 parts by mass based on 100 parts by mass of the rubber. The oxycellulose fibers have an average fiber diameter of 10 to 30 micrometers. The cellulose nanofibers have an average fiber diameter of 1 to 200 nm.
    Type: Application
    Filed: April 27, 2016
    Publication date: November 3, 2016
    Applicants: NISSIN KOGYO CO., LTD., SCHLUMBERGER TECHNOLOGY CORPORATION, SHINSHU UNIVERSITY
    Inventors: Kenichi NIIHARA, Keiichi KAWAMOTO, Hiroyuki UEKI, Masaei ITO, Toru NOGUCHI
  • Patent number: 9469099
    Abstract: There is provided a recording apparatus equipped with an ejection head that ejects an ink to a surface of the undercoat layer of an impermeable recording medium that has, on at least one surface thereof, an undercoat layer containing a polymeric compound selected from the group consisting of polyurethane, polyester, polyvinyl chloride, and polyolefin, wherein the ink contains a coloring agent, a polymer particle, water, and a water-soluble organic solvent and has a static surface tension of less than 30 mN/m and, when examined for dynamic surface tension by a maximum bubble pressure method, has a width of variation in dynamic surface tension for the period from 1 msec after to 1 sec after of from 0.2 mN/m to 3.0 mN/m.
    Type: Grant
    Filed: January 29, 2015
    Date of Patent: October 18, 2016
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Hirohito Yoneyama, Hiroyuki Ueki, Mami Hatanaka, Reika Yomogida
  • Patent number: 9458340
    Abstract: There is provided an aqueous ink which contains a coloring agent, a polymer particle, water and an aqueous organic solvent, and a surface resistivity of a film obtained by film formation on a glass plate is 1×106 ?/? or less, and a recording method containing: a first discharge step that discharges the first aqueous ink on a front surface of a recording medium; a first drying step that dries the first aqueous ink discharged on the front surface of the recording medium after the first discharge step; and a second discharge step that discharges a second aqueous ink on a rear surface of the recording medium after the first drying step.
    Type: Grant
    Filed: July 28, 2015
    Date of Patent: October 4, 2016
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Hirohito Yoneyama, Mami Hatanaka, Hiroyuki Ueki
  • Publication number: 20160279989
    Abstract: An image forming device includes: a transporting route on which a recording medium is transported; an image forming unit that is provided on the transporting route and forms an image by discharging liquid droplets containing macromolecular particles on a front surface of the transported recording medium; a heating unit that heats the image formed on the front surface of the recording medium to a temperature higher than a glass transition point of the macromolecular particles; and a cooling unit that, before the image heated by the heating unit comes into contact with a member on the transporting route, cools the image formed on the front surface of the recording medium to a temperature equal to or lower than the glass transition point of the macromolecular particles in a non-contact state with the image.
    Type: Application
    Filed: September 14, 2015
    Publication date: September 29, 2016
    Inventors: Chikara Manabe, Hiroyuki Ueki
  • Publication number: 20160272829
    Abstract: An ink includes pigment particles, polymer particles in such an amount that a total volume thereof is from 0.3 to 1.6 when a total volume of the pigment particles is taken as 1, water, and an aqueous organic solvent.
    Type: Application
    Filed: February 10, 2016
    Publication date: September 22, 2016
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Hiroyuki UEKI, Mami HATANAKA
  • Patent number: 9447300
    Abstract: There is provided an ink comprising a colorant, a polymer particle, water, and a water-soluble organic solvent, wherein the ink has a static surface tension of 30 mN/m or less and, when examined for dynamic surface tension by the maximum bubble pressure method, has a width of variations in dynamic surface tension, for a period from 1 msec after to 1 sec after, of 0.2 mN/m to 3.0 mN/m.
    Type: Grant
    Filed: August 14, 2014
    Date of Patent: September 20, 2016
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Hiroyuki Ueki, Mami Hatanaka, Hirohito Yoneyama, Reika Abe
  • Publication number: 20160257128
    Abstract: Provided is an image forming apparatus including an ejection section that ejects liquid droplets of plural colors including black liquid droplets, a control section that controls the ejection section such that the black liquid droplets and at least a part of the liquid droplets of other colors contact on a recording medium when preliminary ejection is performed on a non-image forming region of the recording medium, and a drying section that dries the liquid droplets of the plural colors.
    Type: Application
    Filed: August 26, 2015
    Publication date: September 8, 2016
    Inventor: Hiroyuki UEKI
  • Publication number: 20160222240
    Abstract: There is provided an aqueous ink which contains a coloring agent, a polymer particle, water and an aqueous organic solvent, and a surface resistivity of a film obtained by film formation on a glass plate is 1×106?/? or less, and a recording method containing: a first discharge step that discharges the first aqueous ink on a front surface of a recording medium; a first drying step that dries the first aqueous ink discharged on the front surface of the recording medium after the first discharge step; and a second discharge step that discharges a second aqueous ink on a rear surface of the recording medium after the first drying step.
    Type: Application
    Filed: July 28, 2015
    Publication date: August 4, 2016
    Inventors: Hirohito Yoneyama, Mami Hatanaka, Hiroyuki Ueki