Patents by Inventor Kazuya Hongo

Kazuya Hongo 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: 9904187
    Abstract: A cylindrical member used in an electrophotographic photoconductor, the cylindrical member includes an impact-pressed cylindrical body containing aluminum and a long-chain fatty acid ester based lubricant that is present on the outer surface of the impact-pressed cylindrical body in an amount of approximately not more than 5.0×10?3 mg/cm2.
    Type: Grant
    Filed: February 23, 2016
    Date of Patent: February 27, 2018
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Kazuya Hongo, Masahiro Andoh
  • Publication number: 20170090311
    Abstract: A cylindrical member used in an electrophotographic photoconductor, the cylindrical member includes an impact-pressed cylindrical body containing aluminum and a long-chain fatty acid ester based lubricant that is present on the outer surface of the impact-pressed cylindrical body in an amount of approximately not more than 5.0×10?3 mg/cm2.
    Type: Application
    Filed: February 23, 2016
    Publication date: March 30, 2017
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Kazuya HONGO, Masahiro ANDOH
  • Patent number: 8679336
    Abstract: A microchannel device is provided, the microchannel device containing a microfluidic channel including a sub fluidic channel in which at least one filtration diaphragm is provided, wherein the microfluidic channel has at least a supply port, a first discharge port and a second discharge port, the supply port and the first discharge port are connected through the filtration diaphragm, the supply port and the second discharge port are connected without the filtration diaphragm, and the filtration diaphragm is provided parallel to a fluidic channel direction of the microfluidic channel.
    Type: Grant
    Filed: April 13, 2009
    Date of Patent: March 25, 2014
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Kazuya Hongo, Takayuki Yamada, Seiichi Takagi, Hiroshi Kojima, Masaki Hirota, Kazuaki Tabata, Tetsuo Ohta
  • Patent number: 8655220
    Abstract: An electrophotographic photoreceptor including a conductive substrate and a photosensitive layer provided on a surface of the conductive substrate, an outermost layer of the photosensitive layer containing a crosslinked product formed from at least one charge transporting material having at least one substituent selected from the group consisting of —OH, —OCH3, —NH2, —SH, and —COOH and at least one selected from a guanamine compound or a melamine compound, the content of the at least one charge transporting material being at least about 90% by weight, and the content of the at least one selected from the guanamine compound or the melamine compound being from about 0.1% by weight to about 5% by weight.
    Type: Grant
    Filed: October 8, 2008
    Date of Patent: February 18, 2014
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Masahiro Iwasaki, Katsumi Nukada, Wataru Yamada, Kenta Ide, Hirofumi Nakamura, Mitsuhide Nakamura, Koji Bando, Kaori Iemula, Kazuya Hongo, Yasuhiro Nida
  • Patent number: 8426099
    Abstract: Colored resin particles, each includes: a resin; and a colorant, wherein a value of average equivalent circle diameter A (?m) of the colored resin particles is 3?A?6, an average degree of circularity B of the colored resin particles satisfies the following expression (1), and 0.990?0.0083A?B?1.021?0.0117A??(1) a cumulative number frequency of particles which have degrees of circularity of less than 0.9 in the colored resin particles is 1% or less.
    Type: Grant
    Filed: May 23, 2012
    Date of Patent: April 23, 2013
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Tomohito Nakajima, Hiroyuki Moriya, Hideya Katsuhara, Seiichi Takagi, Kazuya Hongo
  • Patent number: 8360243
    Abstract: A liquid transporting apparatus includes: a microchannel; a transporting liquid supply port through which transporting liquid is supplied to the microchannel; a partition wall as defined herein, and that has an opening; a first split channel that is provided on an upper side of the partition wall; a second split channel that is provided on a lower side of the partition wall; a particle dispersion supply port through which a particle dispersion is supplied to a middle portion of a width direction of the first split channel; and at least one drain port through which the fluid is discharged from downstreams of the first and second split channels, and a pattern that generates an upward-directed flow with respect to a vertical direction in a middle portion of a section of the microchannel is formed in an inner wall of the microchannel or in the partition wall.
    Type: Grant
    Filed: March 24, 2010
    Date of Patent: January 29, 2013
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Takayuki Yamada, Hiroshi Kojima, Kazuaki Tabata, Masaki Hirota, Kazuya Hongo
  • Publication number: 20120322998
    Abstract: A gallium phthalocyanine crystal has a peak of spectral absorption spectrum within a wavelength range of from about 760 nm to about 773 nm or within a wavelength range of from about 790 nm to about 809 nm.
    Type: Application
    Filed: August 9, 2012
    Publication date: December 20, 2012
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Kazuya HONGO, Tetsuo Ohta, Akira Hirano
  • Publication number: 20120231391
    Abstract: Colored resin particles, each includes: a resin; and a colorant, wherein a value of average equivalent circle diameter A (?m) of the colored resin particles is 3?A?6, an average degree of circularity B of the colored resin particles satisfies the following expression (1), and 0.990?0.0083A?B?1.021?0.0117A??(1) a cumulative number frequency of particles which have degrees of circularity of less than 0.9 in the colored resin particles is 1% or less.
    Type: Application
    Filed: May 23, 2012
    Publication date: September 13, 2012
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Tomohito NAKAJIMA, Hiroyuki MORIYA, Hideya KATSUHARA, Seiichi TAKAGI, Kazuya HONGO
  • Patent number: 8226332
    Abstract: A method for transporting dispersion, includes: introducing dispersion containing particles into a liquid transporting channel from a dispersion introducing port; transporting the dispersion in a laminar flow through the liquid transporting channel; and discharging the dispersion from a downstream of the liquid transporting channel, and the liquid transporting channel has a bent portion in a vertical direction, and a Dean vortex which cancels an exchange flow that is produced by movement of the particles caused by gravitational force is generated in the bent portion.
    Type: Grant
    Filed: February 25, 2010
    Date of Patent: July 24, 2012
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Hiroshi Kojima, Seiichi Takagi, Kazuya Hongo
  • Patent number: 8215490
    Abstract: A classification device includes: a classification channel for classifying particles; a particle dispersion delivery channel as defined herein; a conveying fluid feed channel as defined herein; and at least one collection channel as defined herein, and the particle dispersion delivery channel satisfying relationship (1): A<B wherein A is a width of the particle dispersion inlet port as measured perpendicular to the flow in the classification channel on a cross-section taken parallel to the flow in the classification channel; and B is a width of the junction between the particle dispersion delivery channel and the classification channel as measured perpendicular to the flow in the classification channel on a cross-section taken parallel to the flow in the classification channel.
    Type: Grant
    Filed: March 25, 2010
    Date of Patent: July 10, 2012
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Kazuya Hongo, Tetsuo Ohta, Hiroshi Kojima, Seiichi Takagi
  • Patent number: 8163807
    Abstract: A blending apparatus is provided, the blending apparatus including: an outer tube; and at least one inner tube disposed inside the outer tube, wherein a distal end, in a lengthwise direction, of the inner tube is located at an intermediate position, in a lengthwise direction, of the outer tube, and the inner tube has plural of through holes in a vicinity of the distal end thereof.
    Type: Grant
    Filed: April 23, 2009
    Date of Patent: April 24, 2012
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Hideya Katsuhara, Hiroyuki Moriya, Tomohito Nakajima, Kazuya Hongo
  • Patent number: 8087515
    Abstract: A separation apparatus contains: a dispersion liquid introduction path to which a dispersion liquid containing particles is introduced; a separation path that has a inclined upper face inclined with respect to a direction of gravity and separates the particles; and a discharge path from which particles separated by the separation path are discharged.
    Type: Grant
    Filed: March 4, 2009
    Date of Patent: January 3, 2012
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Hiroshi Kojima, Kazuya Hongo, Seiichi Takagi, Tetsuo Ohta
  • Patent number: 7968264
    Abstract: An electrophotographic photoreceptor includes a conductive substrate; and a photosensitive layer that includes a phthalocyanine pigment, a charge-transporting substance and at least one kind of lignophenol derivative.
    Type: Grant
    Filed: March 5, 2008
    Date of Patent: June 28, 2011
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Kazuya Hongo, Yukiko Kamijo
  • Publication number: 20110073530
    Abstract: A liquid transporting apparatus includes: a microchannel; a transporting liquid supply port through which transporting liquid is supplied to the microchannel; a partition wall as defined herein, and that has an opening; a first split channel that is provided on an upper side of the partition wall; a second split channel that is provided on a lower side of the partition wall; a particle dispersion supply port through which a particle dispersion is supplied to a middle portion of a width direction of the first split channel; and at least one drain port through which the fluid is discharged from downstreams of the first and second split channels, and a pattern that generates an upward-directed flow with respect to a vertical direction in a middle portion of a section of the microchannel is formed in an inner wall of the microchannel or in the partition wall.
    Type: Application
    Filed: March 24, 2010
    Publication date: March 31, 2011
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Takayuki YAMADA, Hiroshi KOJIMA, Kazuaki TABATA, Masaki HIROTA, Kazuya HONGO
  • Publication number: 20110042279
    Abstract: A classification device includes: a classification channel, a particle dispersion delivery channel having an opening for introducing a particle dispersion at one end thereof with the other end connected to the classification channel via a junction, a conveying fluid feed channel having an opening for introducing a conveying fluid at one end thereof with the other end connected to the classification channel, and at least one collection channel for collecting separated particles, the collection channel having an opening at one end thereof with the other end connected to the classification channel, the junction and the classification channel having substantially equal widths, and at least one of the at least one collection channel having a bottom wall with an upwardly convex shape in the middle portion of its width.
    Type: Application
    Filed: March 22, 2010
    Publication date: February 24, 2011
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Hiroyuki MORIYA, Kazuya HONGO, Hiroshi KOJIMA, Seiichi TAKAGI, Tetsuo OHTA
  • Publication number: 20110017645
    Abstract: A classification device includes: a classification channel for classifying particles; a particle dispersion delivery channel as defined herein; a conveying fluid feed channel as defined herein; and at least one collection channel as defined herein, and the particle dispersion delivery channel satisfying relationship (1): A<B wherein A is a width of the particle dispersion inlet port as measured perpendicular to the flow in the classification channel on a cross-section taken parallel to the flow in the classification channel; and B is a width of the junction between the particle dispersion delivery channel and the classification channel as measured perpendicular to the flow in the classification channel on a cross-section taken parallel to the flow in the classification channel.
    Type: Application
    Filed: March 25, 2010
    Publication date: January 27, 2011
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Kazuya HONGO, Tetsuo Ohta, Hiroshi Kojima, Seiichi Takagi
  • Publication number: 20110011776
    Abstract: A classifying apparatus includes: a classifying channel that, in an upper portion, has a channel through which a particle dispersion is transported, and that, in a lower portion, has a channel through which transporting liquid is transported; a particle dispersion introducing channel where one end has an opening into which the particle dispersion is introduced, and another end is connected to the channel through which the particle dispersion is transported; a transporting liquid introducing channel where one end has an opening into which the transporting liquid is introduced, and another end is connected to the channel through which the transporting liquid is transported; and at least one recovery channel as defined herein, a channel width of the channel through which the particle dispersion is transported being smaller than a channel width of the channel through which the transporting liquid is transported, in the classifying channel.
    Type: Application
    Filed: February 3, 2010
    Publication date: January 20, 2011
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Kazuya HONGO, Tetsuo OHTA, Hiroshi KOJIMA, Seiichi TAKAGI
  • Publication number: 20110011462
    Abstract: A method for transporting dispersion, includes: introducing dispersion containing particles into a liquid transporting channel from a dispersion introducing port; transporting the dispersion in a laminar flow through the liquid transporting channel; and discharging the dispersion from a downstream of the liquid transporting channel, and the liquid transporting channel has a bent portion in a vertical direction, and a Dean vortex which cancels an exchange flow that is produced by movement of the particles caused by gravitational force is generated in the bent portion.
    Type: Application
    Filed: February 25, 2010
    Publication date: January 20, 2011
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Hiroshi KOJIMA, Seiichi TAKAGI, Kazuya HONGO
  • Publication number: 20100224551
    Abstract: A micro fluidic device includes a separation membrane that has an upper surface and a lower surface opposing to each other and a side surface; a plurality of base materials that sandwiches the separation membrane; a first channel and a second channel that are partitioned from each other by the separation membrane; a first feed port that is connected to the first channel; and a first discharge port that is connected to the second channel, wherein the first channel comes into contact with at least a part of the upper surface and the lower surface of the separation membrane, the second channel comes into contact with at least a part of the side surface of the separation membrane, and a fluid is movable in a surface direction within the separation membrane.
    Type: Application
    Filed: September 3, 2009
    Publication date: September 9, 2010
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Kazuya Hongo, Hiroshi Kojima, Tetsuo Ohta, Seiichi Takagi
  • Patent number: 7770738
    Abstract: A classifying device for classifying particles using a centrifugal force contains a microchannel includes a curved portion including a first tubular channel and a second tubular channel; and a diaphragm that is provided within the curved portion, and that is located at a position between the first tubular channel and the second tubular channel; and wherein the diaphragm has at least a first apertured group formed in a central region of the diaphragm and a second apertured group formed in a first end region and a second end region of the diaphragm, the first apertured group and the second apertured group communicate the first tubular channel with the second tubular channel along a direction of the centrifugal force, the first apertured group has a mesh, and the second apertured group has a mesh that is different in size from the mesh of the first apertured group.
    Type: Grant
    Filed: February 24, 2009
    Date of Patent: August 10, 2010
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Kazuaki Tabata, Hiroshi Kojima, Kazuya Hongo, Takayuki Yamada, Seiichi Takagi, Tetsuo Ohta, Masaki Hirota