Patents by Inventor Kozo Yamazaki

Kozo Yamazaki 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: 20180336655
    Abstract: An imaging device includes: an image sensor that images an object to be imaged through polarizing plates arranged to have a different polarization direction for each pixel in a pixel group that includes a plurality of pixels corresponding to each of points of the object to be imaged; a pixel selecting unit that selects a pixel having a lowest brightness for each of the pixel group corresponding to each of the points; and an image output unit that outputs a captured image of the object to be imaged that is generated from pixels selected by the pixel selecting unit.
    Type: Application
    Filed: August 1, 2018
    Publication date: November 22, 2018
    Applicant: FUJITSU FRONTECH LIMITED
    Inventors: Kozo Yamazaki, Isac Iwaguchi
  • Publication number: 20180262662
    Abstract: An image capturing device includes an imaging device, a board on which the imaging device is mounted, an optical unit that forms an image of a target object onto the imaging device, and mounting units that is used to mount the optical unit on the board. The mounting units include a first mounting unit and a second mounting unit and the board includes an attachment portion having a smooth surface. The first mounting unit is attached to the attachment portion by mechanical joining and the second mounting unit is bonded to the first mounting unit while the optical unit is attached to the second mounting unit.
    Type: Application
    Filed: May 10, 2018
    Publication date: September 13, 2018
    Applicant: FUJITSU FRONTECH LIMITED
    Inventors: Isao IWAGUCHI, Kozo Yamazaki
  • Publication number: 20170024625
    Abstract: A server includes a database that stores template pairs for a plurality of persons, the template pairs each pairing a first template and a second template that are acquired by using first and second polarization methods different from each other, respectively, from a same person, and a collating unit that collates a third template by the first polarization method, the third template being transmitted from a terminal device, with the template pairs for the persons, collates a fourth template by the second polarization method, the fourth template being transmitted from another server, with the template pairs for the persons, and performs personal authentication according to whether a first template pair and a second template pair are an identical template pair, the first template pair including the first template that coincides with the third template, and the second template pair including the second template that coincides with the fourth template.
    Type: Application
    Filed: September 28, 2016
    Publication date: January 26, 2017
    Applicant: FUJITSU FRONTECH LIMITED
    Inventors: Isao IWAGUCHI, Kozo YAMAZAKI
  • Publication number: 20160287144
    Abstract: In order to capture an image of a living body with reduced noise, an image capturing apparatus includes a main body that captures a living body image, and a support attachable to and detachable from the main body. The image capturing apparatus supports the living body with a finger guide and a wrist guide of the support, and guides light emitted from the main body through the support toward its top face side from its bottom face side where the main body contacts with the support, and radiates the guided light toward the living body from a light radiating section provided at a predetermined position of an inner wall and an end portion of the top face side of the support, so that the main body captures a living body image.
    Type: Application
    Filed: June 17, 2016
    Publication date: October 6, 2016
    Inventors: Isao Iwaguchi, Kozo Yamazaki
  • Patent number: 9346635
    Abstract: A sheet container, which is incorporated in an image forming apparatus, includes a container body having a loading face to load a sheet thereon, an extension unit disposed extendable in a sheet feeding direction with respect to the container body to extend the loading face, a length regulator disposed movable in the sheet feeding direction with respect to the extension unit to regulate a sheet trailing end position in the sheet feeding direction, and a sheet size indicator having a strip-shape provided on the container body along with a moving direction of the extension unit as a reference of a position of the length regulator, having at least one sheet size mark to indicate a size of the sheet, and being variable in length in a longitudinal direction with respect to the container body along with movement of the extension unit.
    Type: Grant
    Filed: October 15, 2014
    Date of Patent: May 24, 2016
    Assignee: RICOH COMPANY, LTD.
    Inventors: Munekazu Hirata, Mitsutaka Nakamura, Takashi Fujimoto, Kozo Yamazaki, Toshio Yamaki
  • Patent number: 9302861
    Abstract: A sheet feed tray to stack a sheet to be conveyed to an image forming apparatus includes a platen on which a first portion of the sheet is placed; a pair of first support portions to support a second portion of the sheet folded back upward at a trailing end of the first portion; and a pair of second support portions to support a third portion of the sheet folded back upward at a trailing end of the second portion. In the sheet feed tray, the first support portions and the second support portions are reciprocally movable toward each other, and a distance between the second support portions is wider than a distance between the first support portions.
    Type: Grant
    Filed: November 5, 2014
    Date of Patent: April 5, 2016
    Assignee: Ricoh Company, LTD.
    Inventors: Munekazu Hirata, Mitsutaka Nakamura, Takashi Fujimoto, Kozo Yamazaki, Toshio Yamaki
  • Publication number: 20160014308
    Abstract: A palm vein imaging apparatus includes: a tubular-frame-shaped housing; a printed circuit board horizontally held within the housing; an imaging system consisting of an image sensor and imaging lens module mounted on a top surface of the printed circuit board; and a top cover that covers a top opening of the housing so as to protect the imaging lens module of the imaging system, wherein the top cover includes a recess at a portion of an inner top surface of the top cover that faces the imaging lens module, the recess being thinner than a portion therearound, and the imaging lens module is located in a manner such that an upper portion thereof is in the recess.
    Type: Application
    Filed: September 24, 2015
    Publication date: January 14, 2016
    Inventors: Kozo Yamazaki, Isao Iwaguchi, Hiroyuki Tanaka, Akinori Tsujikawa
  • Patent number: 9188933
    Abstract: A power supply device to electroconductively connect a power-fed terminal included in a power-fed unit and a power supply terminal of a power supply board. The power supply device includes a unit contact portion to contact the power-fed terminal; a board contact portion to contact the power supply board; a connector to connect the unit contact portion and the board contact portion; and a support member to support the unit contact portion, the board contact portion, and the connector. The unit contact portion is held on an inner face of the support member opposed to the power-fed unit; the board contact portion is held on an outer face of the support member opposed to the power supply board; and the connector connects the unit contact portion and the board contact portion through the support member.
    Type: Grant
    Filed: October 29, 2013
    Date of Patent: November 17, 2015
    Assignee: RICOH COMPANY, LTD.
    Inventors: Kaoru Tada, Kozo Yamazaki, Tatsuo Fukushima, Yuuki Shiga, Haruo Hashimoto
  • Patent number: 9182719
    Abstract: A moving device assembly includes a moving device and a shield. The moving device is movable between a first position and a second position, to move a detector including a detection surface relative to an opposing member disposed opposite the detector. The shield shields the detection surface of the detector. As the moving device is at the first position, the detector is at a proximal position at which the detector is near the opposing member, and as the moving device is at the second position, the detector is at a shield position at which the detector is separated from the opposing member and the detection surface of the detector is shielded by the shield.
    Type: Grant
    Filed: April 13, 2015
    Date of Patent: November 10, 2015
    Assignee: Ricoh Company, Ltd.
    Inventors: Yuuki Shiga, Sei Onuma, Kozo Yamazaki, Kimihiro Tanaka
  • Patent number: 9110427
    Abstract: An image forming apparatus includes a pair of side walls disposed opposite each other; a driven unit supported between the side walls; a drive unit with drive transmission gears attached to one of the side walls and drives the driven unit; and a reinforcing member connecting the pair of side walls. One end of the reinforcing member is attached to the side wall opposite the other side wall to which the drive unit is attached and the other end is attached to the drive unit. The driven unit is an image forming unit including at least an image carrier. The image carrier includes a rotary shaft, both lateral ends of which are supported by the pair of side walls. A gear portion engaging the drive transmission gears of the drive unit is disposed on one end of the rotary shaft of the image carrier.
    Type: Grant
    Filed: April 17, 2014
    Date of Patent: August 18, 2015
    Assignee: RICOH COMPANY, LTD.
    Inventors: Haruo Hashimoto, Kozo Yamazaki
  • Publication number: 20150220033
    Abstract: A moving device assembly includes a moving device and a shield. The moving device is movable between a first position and a second position, to move a detector including a detection surface relative to an opposing member disposed opposite the detector. The shield shields the detection surface of the detector. As the moving device is at the first position, the detector is at a proximal position at which the detector is near the opposing member, and as the moving device is at the second position, the detector is at a shield position at which the detector is separated from the opposing member and the detection surface of the detector is shielded by the shield.
    Type: Application
    Filed: April 13, 2015
    Publication date: August 6, 2015
    Inventors: Yuuki SHIGA, Sei Onuma, Kozo Yamazaki, Kimihiro Tanaka
  • Patent number: 9068721
    Abstract: An illumination optical system for an image pickup apparatus includes a plurality of light sources arranged in a circular loop pattern and a prism plate shaped like a circular loop. the prism plate includes a prism surface at which illumination light from the light sources enters and on which a plurality of prism columns arranged in a circular loop pattern in a circumference direction of the prism plate are formed and an outgoing surface from which the illumination light is emitted. the prism surface includes a flat portion on at least one of a peak formed by each of the plurality of prism columns and a trough formed between the plurality of prism columns. the flat portion is substantially parallel to a tangential direction of the prism plate.
    Type: Grant
    Filed: August 15, 2013
    Date of Patent: June 30, 2015
    Assignee: FUJITSU FRONTECH LIMITED
    Inventors: Kozo Yamazaki, Isao Iwaguchi
  • Publication number: 20150123341
    Abstract: A sheet feed tray to stack a sheet to be conveyed to an image forming apparatus includes a platen on which a first portion of the sheet is placed; a pair of first support portions to support a second portion of the sheet folded back upward at a trailing end of the first portion; and a pair of second support portions to support a third portion of the sheet folded back upward at a trailing end of the second portion. In the sheet feed tray, the first support portions and the second support portions are reciprocally movable toward each other, and a distance between the second support portions is wider than a distance between the first support portions.
    Type: Application
    Filed: November 5, 2014
    Publication date: May 7, 2015
    Applicant: Ricoh Company, Ltd.
    Inventors: Munekazu HIRATA, Mitsutaka NAKAMURA, Takashi FUJIMOTO, Kozo YAMAZAKI, Toshio YAMAKI
  • Patent number: 9025986
    Abstract: A moving device assembly includes a moving device and a shield. The moving device is movable between a first position and a second position, to move a detector including a detection surface relative to an opposing member disposed opposite the detector. The shield shields the detection surface of the detector. As the moving device is at the first position, the detector is at a proximal position at which the detector is near the opposing member, and as the moving device is at the second position, the detector is at a shield position at which the detector is separated from the opposing member and the detection surface of the detector is shielded by the shield.
    Type: Grant
    Filed: May 23, 2013
    Date of Patent: May 5, 2015
    Assignee: Ricoh Company, Ltd.
    Inventors: Yuuki Shiga, Sei Onuma, Kozo Yamazaki, Kimihiro Tanaka
  • Publication number: 20150102550
    Abstract: A sheet container, which is incorporated in an image forming apparatus, includes a container body having a loading face to load a sheet thereon, an extension unit disposed extendable in a sheet feeding direction with respect to the container body to extend the loading face, a length regulator disposed movable in the sheet feeding direction with respect to the extension unit to regulate a sheet trailing end position in the sheet feeding direction, and a sheet size indicator having a strip-shape provided on the container body along with a moving direction of the extension unit as a reference of a position of the length regulator, having at least one sheet size mark to indicate a size of the sheet, and being variable in length in a longitudinal direction with respect to the container body along with movement of the extension unit.
    Type: Application
    Filed: October 15, 2014
    Publication date: April 16, 2015
    Applicant: RICOH COMPANY, LTD.
    Inventors: Munekazu HIRATA, Mitsutaka NAKAMURA, Takashi FUJIMOTO, Kozo YAMAZAKI, Toshio YAMAKI
  • Publication number: 20140314440
    Abstract: An image forming apparatus includes a pair of side walls disposed opposite each other; a driven unit supported between the side walls; a drive unit with drive transmission gears attached to one of the side walls and drives the driven unit; and a reinforcing member connecting the pair of side walls. One end of the reinforcing member is attached to the side wall opposite the other side wall to which the drive unit is attached and the other end is attached to the drive unit. The driven unit is an image forming unit including at least an image carrier. The image carrier includes a rotary shaft, both lateral ends of which are supported by the pair of side walls. A gear portion engaging the drive transmission gears of the drive unit is disposed on one end of the rotary shaft of the image carrier.
    Type: Application
    Filed: April 17, 2014
    Publication date: October 23, 2014
    Applicant: RICOH COMPANY, LTD.
    Inventors: Haruo HASHIMOTO, Kozo YAMAZAKI
  • Patent number: 8791975
    Abstract: An optical scanning device includes a polygon scanner that deflects and scans light beams, a body on which the polygon scanner directly mounted, and a heat dissipating unit that dissipates heat of the deflection scanning unit. The heat dissipating unit is located at a position on an outer surface of the body corresponding to the deflection scanning unit. The body is provided with a pair of wall portions on the outer surface. The wall portions face each other with the heat dissipating unit between them, and extend in a direction in which air blown by an air blowing unit flows to form an air-flow path.
    Type: Grant
    Filed: July 31, 2007
    Date of Patent: July 29, 2014
    Assignee: Ricoh Company, Ltd.
    Inventors: Kozo Yamazaki, Kouji Terasawa
  • Patent number: 8740074
    Abstract: A liquid crystal panel includes an iris unit for limiting the incident range of light from an object to be shot, and a filter unit for assigning a exposure energy distribution varying with the position to incident light whose incident range is limited by the iris unit. The control unit controls the ON time and the OFF time of each pixel of the liquid crystal panel, and then a low pass filter operation on the captured image as an image processing can be optically replaced.
    Type: Grant
    Filed: September 28, 2009
    Date of Patent: June 3, 2014
    Assignee: Fujitsu Frontech Limited
    Inventors: Kozo Yamazaki, Isao Iwaguchi
  • Publication number: 20140133881
    Abstract: A power supply device to electroconductively connect a power-fed terminal included in a power-fed unit and a power supply terminal of a power supply board. The power supply device includes a unit contact portion to contact the power-fed terminal; a board contact portion to contact the power supply board; a connector to connect the unit contact portion and the board contact portion; and a support member to support the unit contact portion, the board contact portion, and the connector. The unit contact portion is held on an inner face of the support member opposed to the power-fed unit; the board contact portion is held on an outer face of the support member opposed to the power supply board; and the connector connects the unit contact portion and the board contact portion through the support member.
    Type: Application
    Filed: October 29, 2013
    Publication date: May 15, 2014
    Applicant: RICOH COMPANY, LTD.
    Inventors: Kaoru TADA, Kozo YAMAZAKI, Tatsuo FUKUSHIMA, Yuuki SHIGA, Haruo HASHIMOTO
  • Patent number: 8712310
    Abstract: An image forming apparatus includes a dual purpose tray that accommodates a document and a transfer sheet, a document transport mechanism to transport the document from the dual purpose tray to an image reading position, an image reading mechanism disposed beneath the document transport mechanism, an image forming mechanism disposed beneath the image reading mechanism, a transfer sheet transport mechanism to transport the transfer sheet from a bifurcation point through the image reading mechanism, a sheet feeding path that bifurcates into a first transport path through which the document is transported to the image reading position and a second transport path through which the transfer sheet is transported through the image reading mechanism to an image forming position by switching a switching member in accordance with one of a type of a recording medium set on the dual purpose tray and an operation mode of the image forming apparatus.
    Type: Grant
    Filed: June 25, 2009
    Date of Patent: April 29, 2014
    Assignee: Ricoh Company, Ltd.
    Inventors: Yoshiyuki Shimizu, Takafumi Miyazaki, Kozo Yamazaki, Hideyuki Masumoto, Tatsuya Miyadera