Patents by Inventor Naoki Hiji

Naoki Hiji 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: 10031394
    Abstract: There is provided an electrophoretic particle which contains a core material particle formed of a composition containing a resin, a nitrogen-containing heterocyclic compound having any one of an imino group, a methylol group and an alkoxymethyl group in the molecule and a heterocyclic ring having a nitrogen atom, and a coloring agent.
    Type: Grant
    Filed: December 19, 2012
    Date of Patent: July 24, 2018
    Assignee: E Ink Corporation
    Inventors: Daisuke Nakayama, Yasuo Yamamoto, Naoki Hiji, Mieko Seki, Ryota Mizutani, Chikara Manabe, Cao Jun, Toshihide Aoshima
  • Publication number: 20180200953
    Abstract: A shaping apparatus includes a table, at least one first discharging part that moves in one direction relative to the table and shapes an object by discharging droplets of a shaping liquid from nozzles and stacking plural layers each formed by curing the droplets, a second discharging part that moves in one direction relative to the table and forms a coating member coating an end surface of the object by discharging droplets of a coating liquid from nozzles and stacking plural layers each formed by curing the droplets, and a controller that controls the second discharging part so that a thickness of the coating member decreases toward an upper side.
    Type: Application
    Filed: September 8, 2017
    Publication date: July 19, 2018
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Naoki HIJI, Torahiko KANDA
  • Publication number: 20180093426
    Abstract: A forming apparatus includes: multiple color discharge parts that discharge droplets of color forming liquids from nozzles arrayed in a principal scanning direction, the droplets constituting color unit portions when cured; and a transparent discharge part that is provided at a side of the color discharge parts in a sub-scanning direction and that discharges droplets of a transparent forming liquid from nozzles arrayed in the principal scanning direction, the droplets constituting transparent unit portions when cured. A three-dimensional object is formed so as to have a portion in which the color unit portions and the transparent unit portions are periodically stacked.
    Type: Application
    Filed: March 1, 2017
    Publication date: April 5, 2018
    Applicant: FUJI XEROX CO., LTD.
    Inventor: Naoki HIJI
  • Publication number: 20180067477
    Abstract: A three-dimensional model production data generation apparatus includes: an area setting unit that sets an intersection area as a colored area, the intersection area being obtained when, for each of plural meshes constituting a three-dimensional model, a polygonal prism formed by translating the mesh inwardly of the three-dimensional model is sliced by a slice plane in a predetermined direction; and a color setting unit that sets the color of the colored area set by the area setting unit to the color of the mesh.
    Type: Application
    Filed: March 1, 2017
    Publication date: March 8, 2018
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Naoki HIJI, Tomonari TAKAHASHI
  • Publication number: 20170358263
    Abstract: A image display medium driving device includes a voltage application unit that applies a voltage between a pair of substrates, at least one of which is transparent, of an image display medium including plural types of particles which are sealed between the pair of substrates, are attached to the substrates, and start to be separated from the substrates at different times when a predetermined voltage is applied and a control unit that controls the voltage application unit such that a time when the voltage is applied between the pair of substrates varies depending on image information.
    Type: Application
    Filed: August 29, 2017
    Publication date: December 14, 2017
    Inventors: Taijyu GAN, Ryota MIZUTANI, Yasufumi SUWABE, Yoshinori MACHIDA, Naoki HIJI
  • Patent number: 9779671
    Abstract: A image display medium driving device includes a voltage application unit that applies a voltage between a pair of substrates, at least one of which is transparent, of an image display medium including plural types of particles which are sealed between the pair of substrates, are attached to the substrates, and start to be separated from the substrates at different times when a predetermined voltage is applied and a control unit that controls the voltage application unit such that a time when the voltage is applied between the pair of substrates varies depending on image information.
    Type: Grant
    Filed: May 31, 2013
    Date of Patent: October 3, 2017
    Assignee: E Ink Corporation
    Inventors: Taijyu Gan, Ryota Mizutani, Yasufumi Suwabe, Yoshinori Machida, Naoki Hiji
  • 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: 9701066
    Abstract: Provided is a curing agent for a three-dimensional shaped product including a compatible material that is compatible with a molded article forming agent for forming a three-dimensional shaped product, and a curing material that cures the molded article forming agent.
    Type: Grant
    Filed: July 23, 2015
    Date of Patent: July 11, 2017
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Takehito Hikichi, Naoki Hiji, Takashi Morikawa
  • Publication number: 20160335941
    Abstract: Provided is a method to drive an image display medium.
    Type: Application
    Filed: July 29, 2016
    Publication date: November 17, 2016
    Applicant: E Ink Corporation
    Inventors: Masaaki ABE, Naoki HIJI, Yasufumi SUWABE, Yoshinori MACHIDA
  • Publication number: 20160257076
    Abstract: Provided is a curing agent for a three-dimensional shaped product including a compatible material that is compatible with a molded article forming agent for forming a three-dimensional shaped product, and a curing material that cures the molded article forming agent.
    Type: Application
    Filed: July 23, 2015
    Publication date: September 8, 2016
    Inventors: Takehito HIKICHI, Naoki HIJI, Takashi MORIKAWA
  • Patent number: 9424800
    Abstract: Provided is a driving device of an image display medium including a voltage application unit that varies a voltage applied to a common electrode provided in one of a pair of substrates, and applies a voltage to a pixel electrode provided in the other substrate through active matrix driving, with respect to the image display medium including plural kinds of particles, and a controller that controls the voltage application unit such that a voltage is applied between the pair of substrates, and controls the voltage application unit such that a deviation time of a scanning timing generated due to the active matrix driving during transition to the steps and a potential difference between the pair of substrates in the deviation time are equal to or less than predefined threshold characteristics of the particles.
    Type: Grant
    Filed: July 30, 2013
    Date of Patent: August 23, 2016
    Assignee: E Ink Corporation
    Inventors: Masaaki Abe, Naoki Hiji, Yasufumi Suwabe, Yoshinori Machida
  • Publication number: 20160221268
    Abstract: Provided is a stack forming apparatus including a molded article forming agent ejecting unit, that ejects a molded article forming agent for forming a three dimensional shaped product, onto a shaping stand, a surface modification unit that modifies wettability of surfaces of the molded article forming agent, and a control unit that controls the molded article forming agent ejecting section and the surface modification unit so that the three dimensional shaped product is formed by stacking the molded article forming agent through the repetition of ejection of the molded article forming agent and modification of the surface of the molded article forming agent.
    Type: Application
    Filed: September 2, 2015
    Publication date: August 4, 2016
    Inventors: Naoki HIJI, Takehito HIKICHI
  • Patent number: 9348193
    Abstract: There is provided a dispersion liquid for electrophoretic display, containing a dispersion medium 50, a colored electrophoretic particle group 34 that is dispersed in the dispersion medium and migrates in the dispersion medium according to an electric field, a non-electrophoretic particle group 36 that is dispersed without migrating in the dispersion medium and has a color different from that of the electrophoretic particle group, and a compound having a neutral polar group and a hydrophobic group, which is contained in the dispersion medium in a ratio of about 0.01 to about 1 mass % based on the entire dispersion liquid.
    Type: Grant
    Filed: December 18, 2012
    Date of Patent: May 24, 2016
    Assignee: E INK CORPORATION
    Inventors: Naoki Hiji, Ryota Mizutani, Chikara Manabe, Cao Jun, Toshihide Aoshima, Daisuke Nakayama, Yasuo Yamamoto
  • Patent number: 9152005
    Abstract: A particle dispersion for display includes color particles for display that move in response to an electric field and include first color particles and second color particles; and a dispersion medium that disperses the color particles for display, in which the second color particles have a larger particle diameter than a particle diameter of the first color particles and the same charging characteristic as a charging characteristic of the first color particles, and in the color particles for display, a ratio (Cs/Cl) of a charge amount Cs of the first color particles per unit area of display to a charge amount Cl of the second color particles per unit area of display is less than or equal to 5.
    Type: Grant
    Filed: April 26, 2013
    Date of Patent: October 6, 2015
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Takashi Morikawa, Naoki Hiji, Yasuo Yamamoto, Daisuke Nakayama, Mieko Seki, Hiroaki Moriyama, Ryota Mizutani, Masaaki Abe, Nami Tokunaga, Chikara Manabe, Jun Cao
  • Publication number: 20150138247
    Abstract: A image display medium driving device includes a voltage application unit that applies a voltage between a pair of substrates, at least one of which is transparent, of an image display medium including plural types of particles which are sealed between the pair of substrates, are attached to the substrates, and start to be separated from the substrates at different times when a predetermined voltage is applied and a control unit that controls the voltage application unit such that a time when the voltage is applied between the pair of substrates varies depending on image information.
    Type: Application
    Filed: May 31, 2013
    Publication date: May 21, 2015
    Inventors: Taijyu Gan, Ryota Mizutani, Yasufumi Suwabe, Yoshinori Machida, Naoki Hiji
  • Patent number: 8928649
    Abstract: The present invention provides a display medium including a pair of substrates; pixel electrodes disposed on one of the pair of substrates; a common electrode disposed on the other substrate of the pair of substrates; and a display layer, the common electrode includes two or more common electrode layers containing a first common electrode layer and a second common electrode layer which being disposed across a gap in a thickness direction, and electrical voltages thereof being controlled independently of each other, the first common electrode layer containing at least one electrode unit and at least one non-electrode area corresponding to a disposition of the pixel electrodes, and the second common electrode layer containing at least one second electrode unit, the at least one second electrode layer completely overlapping with at least the at least one non-electrode area of the first common electrode layer in a thickness direction.
    Type: Grant
    Filed: September 13, 2010
    Date of Patent: January 6, 2015
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Yoshinori Machida, Naoki Hiji, Ryota Mizutani
  • Publication number: 20140210865
    Abstract: Provided is a driving device of an image display medium including a voltage application unit that varies a voltage applied to a common electrode provided in one of a pair of substrates, and applies a voltage to a pixel electrode provided in the other substrate through active matrix driving, with respect to the image display medium including plural kinds of particles, and a controller that controls the voltage application unit such that a voltage is applied between the pair of substrates, and controls the voltage application unit such that a deviation time of a scanning timing generated due to the active matrix driving during transition to the steps and a potential difference between the pair of substrates in the deviation time are equal to or less than predefined threshold characteristics of the particles.
    Type: Application
    Filed: July 30, 2013
    Publication date: July 31, 2014
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Masaaki ABE, Naoki HIJI, Yasufumi SUWABE, Yoshinori MACHIDA
  • Patent number: 8760388
    Abstract: A display medium includes: a pair of substrates; a spacing member that maintain a gap between the pair of substrates and has a first portion projecting in an intersecting direction, the intersecting direction intersecting a direction in which the pair of substrates face each other; and a holding layer that is provided on at least one of the pair of substrates such that the holding layer fills a space between the at least one of the pair of substrates and an end face of the spacing member, the holding layer covers the first portion from the end face of the spacing member, and the holding layer holds an end part of the spacing member in the direction in which the pair of substrates face each other.
    Type: Grant
    Filed: February 4, 2011
    Date of Patent: June 24, 2014
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Naoki Hiji, Akihide Kawamura, Yasufumi Suwabe
  • Publication number: 20140104675
    Abstract: A particle dispersion for display includes color particles for display that move in response to an electric field and include first color particles and second color particles; and a dispersion medium that disperses the color particles for display, in which the second color particles have a larger particle diameter than a particle diameter of the first color particles and the same charging characteristic as a charging characteristic of the first color particles, and in the color particles for display, a ratio (Cs/Cl) of a charge amount Cs of the first color particles per unit area of display to a charge amount Cl of the second color particles per unit area of display is less than or equal to 5.
    Type: Application
    Filed: April 26, 2013
    Publication date: April 17, 2014
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Takashi Morikawa, Naoki Hiji, Yasuo Yamamoto, Daisuke Nakayama, Mieko Seki, Hiroaki Moriyama, Ryota Mizutani, Masaaki Abe, Nami Tokunaga, Chikara Manabe, Jun Cao
  • Patent number: 8587512
    Abstract: There is provided a display device including a voltage application device that performs, with respect to a display medium including, a pair of substrates, plural types of particle groups disposed between the pair of substrates, a first electrode, plural second electrodes, and a third electrode, in succession after a first process, a second process of application of voltages to the display medium to the first through third electrodes such that the first particle group that has passed through the aperture in the third electrode due to the first process moves towards a downstream substrate of the pair of substrates disposed on the downstream side in the passing direction of the first particle group through the aperture, and the second particle group that has not passed through the aperture of the third electrode due to the first process moves towards the substrate on the side facing the downstream substrate.
    Type: Grant
    Filed: May 28, 2010
    Date of Patent: November 19, 2013
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Naoki Hiji, Masaaki Abe, Yoshinori Machida, Ryota Mizutani