Patents by Inventor Hirohito Yoneyama

Hirohito Yoneyama 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).

  • Publication number: 20180081287
    Abstract: An electrophotographic photoreceptor includes a conductive substrate and a single-layer-type photosensitive layer on the conductive substrate. The single-layer-type photosensitive layer contains a binder resin, a charge generating material, an electron transporting material, and a hole transporting material. The product of a volume resistivity (G?·m) of the single-layer-type photosensitive layer and an elastic modulus (GPa) of the single-layer-type photosensitive layer is about 90 or more.
    Type: Application
    Filed: March 7, 2017
    Publication date: March 22, 2018
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Hirofumi NAKAMURA, Yoshiteru YAMADA, Yohei SAITO, Hirohito YONEYAMA, Kazuhiro KOSEKI
  • Patent number: 9752043
    Abstract: A coating liquid includes a polymer particle, an aggregating agent for a coloring material, a nonionic surfactant having an HLB value within the range of 15.5 to 20, and water.
    Type: Grant
    Filed: January 28, 2016
    Date of Patent: September 5, 2017
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Yoshiro Yamashita, Hirohito Yoneyama, Jun Kawahara, Chisato Urano
  • Patent number: 9704504
    Abstract: The voice analysis device includes: a voice information acquiring unit that acquires a voice signal generated by plural voice acquiring units disposed at different distances from a speaking section of a speaker and acquiring voice of the speaker; and an identification unit that identifies the speaker corresponding to the voice having been acquired, on the basis of intensities of respective peaks in a frequency spectrum of a first enhanced waveform and a frequency spectrum of a second enhanced waveform. The first enhanced waveform is a waveform where a voice signal of a predetermined target speaker has been enhanced, and the second enhanced waveform is a waveform where a voice signal of a speaker other than the target speaker has been enhanced.
    Type: Grant
    Filed: July 6, 2015
    Date of Patent: July 11, 2017
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Seiya Inagi, Haruo Harada, Hirohito Yoneyama, Kei Shimotani, Akira Fujii, Kiyoshi Iida
  • Publication number: 20170088739
    Abstract: A coating liquid includes a polymer particle, an aggregating agent for a coloring material, a nonionic surfactant having an HLB value within the range of 15.5 to 20, and water.
    Type: Application
    Filed: January 28, 2016
    Publication date: March 30, 2017
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Yoshiro YAMASHITA, Hirohito YONEYAMA, Jun KAWAHARA, Chisato URANO
  • 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: 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
  • 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: 20160260439
    Abstract: The voice analysis device includes: a voice information acquiring unit that acquires a voice signal generated by plural voice acquiring units disposed at different distances from a speaking section of a speaker and acquiring voice of the speaker; and an identification unit that identifies the speaker corresponding to the voice having been acquired, on the basis of intensities of respective peaks in a frequency spectrum of a first enhanced waveform and a frequency spectrum of a second enhanced waveform. The first enhanced waveform is a waveform where a voice signal of a predetermined target speaker has been enhanced, and the second enhanced waveform is a waveform where a voice signal of a speaker other than the target speaker has been enhanced.
    Type: Application
    Filed: July 6, 2015
    Publication date: September 8, 2016
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Seiya INAGI, Haruo HARADA, Hirohito YONEYAMA, Kei SHIMOTANI, Akira FUJII, Kiyoshi IIDA
  • 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
  • Patent number: 9368118
    Abstract: A voice analyzer includes a voice information acquiring unit that acquires information about voices acquired by a first voice acquiring unit which acquires the voice and is worn by a first wearer and a second voice acquiring unit which acquires the voice and is worn by a second wearer from each of the wearers, and a distance calculation unit that calculates a distance between the first wearer and the second wearer on the basis of (a) speaker identification information, which is information for determining whether the voice acquired by the first voice acquiring unit and the voice which is the same as that acquired by the first voice acquiring unit and is acquired by the second voice acquiring unit are spoken by the wearers or other persons, and (b) a phase difference between sound waves with plural frequencies included in the voices.
    Type: Grant
    Filed: February 26, 2013
    Date of Patent: June 14, 2016
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Haruo Harada, Yohei Nishino, Kiyoshi Iida, Kei Shimotani, Hirohito Yoneyama, Akira Fujii
  • Publication number: 20160082726
    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: Application
    Filed: February 12, 2015
    Publication date: March 24, 2016
    Inventors: Hirohito Yoneyama, Hiroyuki Ueki, Mami Hatanaka, Reika Yomogida
  • Publication number: 20160023456
    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: Application
    Filed: January 29, 2015
    Publication date: January 28, 2016
    Inventors: Hirohito Yoneyama, Hiroyuki Ueki, Mami Hatanaka, Reika Yomogida
  • Publication number: 20150332674
    Abstract: A voice analyzer includes a first voice acquisition unit provided in a place where a distance of a sound wave propagation path from a mouth of a user is a first distance, plural second voice acquisition units provided in places where distances of sound wave propagation paths from the mouth of the user are smaller than the first distance, and an identification unit that identifies whether the voices acquired by the first and second voice acquisition units are voices of the user or voices of others excluding the user on the basis of a result of comparison between first sound pressure of a voice signal of the voice acquired by the first voice acquisition unit and second sound pressure calculated from sound pressure of a voice signal of the voice acquired by each of the plural second voice acquisition units.
    Type: Application
    Filed: July 29, 2015
    Publication date: November 19, 2015
    Inventors: Yohei NISHINO, Haruo HARADA, Kei SHIMOTANI, Hirohito YONEYAMA, Kiyoshi IIDA, Akira FUJII
  • Patent number: 9177556
    Abstract: A sound analysis apparatus includes a sound information obtaining section chat obtains information relating to a sound acquired by a sound acquiring section that acquires the sound and distinguishes a spoken voice of a wearer from a spoken voice of another person, a phase difference deriving section that derives a relationship between a frequency and a phase difference with respect to the sound acquired by the plural sound acquiring sections, a dispersion deriving section that derives a dispersion that is the level of irregularity of the derived phase difference, and a distance deriving section that derives a distance between the wearer and the other person using a first dispersion derived in a case where the sound is distinguished as the spoken voice of the other person and a second dispersion derived in a case where the sound is distinguished as the spoken voice of the wearer.
    Type: Grant
    Filed: June 4, 2013
    Date of Patent: November 3, 2015
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Yohei Nishino, Haruo Harada, Hirohito Yoneyama, Kei Shimotani, Akira Fujii, Kiyoshi Iida
  • Patent number: 9153244
    Abstract: A voice analyzer includes an apparatus body, a strap that is connected to the apparatus body and is used to hang the apparatus body from a neck of a user, a first voice acquisition unit provided in the strap or the apparatus body, a second voice acquisition unit provided at a position where a distance of a sound wave propagation path from a mouth of the user is smaller than a distance of a sound wave propagation path from the mouth of the user to the first voice acquisition unit, and an identification unit that identifies a sound, in which first sound pressure acquired by the first voice acquisition unit is larger by a predetermined value or more than second sound pressure acquired by the second voice acquisition unit, on the basis of a result of comparison between the first sound pressure and the second sound pressure.
    Type: Grant
    Filed: May 18, 2012
    Date of Patent: October 6, 2015
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Kei Shimotani, Yohei Nishino, Hirohito Yoneyama, Kiyoshi Iida, Akira Fujii, Haruo Harada
  • Publication number: 20150267067
    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: Application
    Filed: August 14, 2014
    Publication date: September 24, 2015
    Inventors: Hiroyuki UEKI, Mami HATANAKA, Hirohito YONEYAMA, Reika ABE
  • Patent number: 9140774
    Abstract: A voice analyzer includes a plate-shaped body, a plurality of first voice acquisition units that are placed on both surfaces of the plate-shaped body and that acquire a voice of a speaker, a sound pressure comparison unit that compares sound pressure of a voice acquired by the first voice acquisition unit placed on one surface of the plate-shaped body with sound pressure of a voice acquired by the first voice acquisition unit placed on the other surface and determines a larger sound pressure, and a voice signal selection unit that selects information regarding a voice signal which is associated with the larger sound pressure and is determined by the sound pressure comparison unit.
    Type: Grant
    Filed: July 20, 2012
    Date of Patent: September 22, 2015
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Kiyoshi Iida, Haruo Harada, Hirohito Yoneyama, Kei Shimotani, Akira Fujii, Yohei Nishino
  • Patent number: 9129611
    Abstract: A voice analyzer includes a first voice acquisition unit provided in a place where a distance of a sound wave propagation path from a mouth of a user is a first distance, plural second voice acquisition units provided in places where distances of sound wave propagation paths from the mouth of the user are smaller than the first distance, and an identification unit that identifies whether the voices acquired by the first and second voice acquisition units are voices of the user or voices of others excluding the user on the basis of a result of comparison between first sound pressure of a voice signal of the voice acquired by the first voice acquisition unit and second sound pressure calculated from sound pressure of a voice signal of the voice acquired by each of the plural second voice acquisition units.
    Type: Grant
    Filed: May 7, 2012
    Date of Patent: September 8, 2015
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Yohei Nishino, Haruo Harada, Kei Shimotani, Hirohito Yoneyama, Kiyoshi Iida, Akira Fujii
  • Patent number: 9014395
    Abstract: An audio analysis apparatus includes the following components. A main body includes a discrimination unit and a transmission unit. A strap is used for hanging the main body from a user's neck. A first audio acquisition device is provided to the strap or the main body. A second audio acquisition device is provided to the strap at a position where a distance between the second audio acquisition device and the user's mouth is smaller than the distance between the first audio acquisition device and the user's in a state where the strap is worn around the user's neck. The discrimination unit discriminates whether an acquired sound is an uttered voice of the user or of another person by comparing audio signals of the sound acquired by the first and second audio acquisition devices. The transmission unit transmits information including the discrimination result to an external apparatus.
    Type: Grant
    Filed: March 5, 2012
    Date of Patent: April 21, 2015
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Haruo Harada, Hirohito Yoneyama, Kei Shimotani, Yohei Nishino, Kiyoshi Iida, Takao Naito