Patents by Inventor Nobuyuki Mizushima

Nobuyuki Mizushima 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: 20200198370
    Abstract: A medium drying device includes a transport roller pair as a transport unit that transports a medium and a heat roller pair as one heating unit that heats the medium transported by the transport roller pair and is provided in a transport direction of the medium, in which the medium is configured to be transported to a heating area by the heat roller pair a plurality of times.
    Type: Application
    Filed: December 18, 2019
    Publication date: June 25, 2020
    Inventors: Yutaro HARADA, Kohei UENO, Nobuyuki MIZUSHIMA, Shunpei YAMAGUCHI
  • Publication number: 20200198919
    Abstract: A first unit includes a receiving portion that receives a medium to be processed, a drying unit that processes the medium received from the receiving portion, and an end stitching unit that processes the medium received from the receiving portion or the medium processed by the drying unit. The processing performed by the drying unit is processing of drying the medium, the drying unit is located vertically below the end stitching unit, and the drying unit and the end stitching unit have a portion overlapping when viewed in a vertical direction.
    Type: Application
    Filed: December 19, 2019
    Publication date: June 25, 2020
    Inventors: Yutaro Harada, Kohei Ueno, Nobuyuki Mizushima, Shunpei Yamaguchi
  • Publication number: 20200171857
    Abstract: A medium transport device includes a feed roller pair, a stack portion that receives a medium transported by the feed roller pair between a support surface for supporting the medium in an inclined posture in which a downstream side in a transport direction is directed downward and an opposing surface opposing the support surface and stacks the medium, an alignment portion that aligns a downstream end of the medium stacked in the stack portion, and a control unit that controls a distance between the support surface and the opposing surface, in which the stack portion is configured to be capable of changing the distance and the control unit adjusts the distance according to a condition.
    Type: Application
    Filed: November 26, 2019
    Publication date: June 4, 2020
    Inventors: Kohei Ueno, Nobuyuki Mizushima, Yutaro Harada, Shunpei Yamaguchi
  • Publication number: 20200171872
    Abstract: A stapling apparatus including a holding portion that receives and holds a plurality of mediums, a first matching portion positioned downstream of the holding portion, a paddle that applies sending force to the mediums so that leading edge sides of the mediums reach the first matching portion, a stapler that binds the mediums, the leading edge sides of the mediums having been matched by the first matching portion, a folding mechanism portion that folds the mediums that have been bound by the stapler. In the stapling apparatus, the first matching portion is configured to move and is configured to transport the mediums to a performing position of the stapler and a performing position of the folding mechanism portion by moving, and a position where the paddle applies sending force to the mediums differs according to lengths of the mediums in a transport direction.
    Type: Application
    Filed: November 25, 2019
    Publication date: June 4, 2020
    Inventors: Kohei UENO, Nobuyuki MIZUSHIMA, Yutaro HARADA, Shunpei YAMAGUCHI
  • Publication number: 20200172363
    Abstract: A medium transport device includes a feeding unit that transports a medium, a stack portion that receives the medium transported by the feeding unit between a support surface for supporting the medium in an inclined posture in which a downstream side in a transport direction is directed downward and an opposing surface opposing the support surface and stacks the medium, an alignment portion that aligns a downstream end of the medium stacked in the stack portion, a paddle that is provided between the feeding unit and the alignment portion in the transport direction and moves the medium toward the alignment portion by rotating while being in contact with the medium, and a control unit that controls an operation of the paddle, in which the control unit controls the operation of the paddle according to a condition.
    Type: Application
    Filed: November 26, 2019
    Publication date: June 4, 2020
    Inventors: Kohei UENO, Nobuyuki MIZUSHIMA, Yutaro HARADA, Shunpei YAMAGUCHI
  • Publication number: 20200172360
    Abstract: Provided is a medium processing device including a supply portion supplying a medium, a transporter transporting the medium supplied from the supply portion, an contact portion that a tip of the medium transported by the transporter is brought into contact with, a stacker in which the medium brought into contact with the contact portion is stacked, and a processor processing the medium stacked in the stacker, in which the transporter includes a gripper that is configured to move along a transport path of the medium, grips a tip of the medium, and moves.
    Type: Application
    Filed: November 25, 2019
    Publication date: June 4, 2020
    Inventors: Kohei UENO, Nobuyuki MIZUSHIMA, Yutaro HARADA, Shunpei YAMAGUCHI
  • Patent number: 10442092
    Abstract: To obtain a force detection device and a robot light in weight and having excellent detection accuracy, a force detection device includes a first member, a second member joined to the first member, and a piezoelectric element joined to the second member. A material forming the first member is different from a material forming the second member. The first member is formed in a plate shape. The piezoelectric element and the second member are disposed at an end portion of the first member. A through-hole is formed in the center portion of the first member.
    Type: Grant
    Filed: February 5, 2016
    Date of Patent: October 15, 2019
    Assignee: Seiko Epson Corporation
    Inventors: Yoshiteru Nishimura, Nobuyuki Mizushima, Toshiyuki Kamiya, Hiroki Kawai
  • Patent number: 10343422
    Abstract: A recording apparatus includes a belt conveyor unit that can be switched between a first state in which at least a portion of the belt outer surface of a conveyor belt is located at a recording position at which a line head performs recording and a second state in which the belt outer surface is located more distant than the recording position from the line head. The recording apparatus also includes a wiping device that is in contact with the belt outer surface and wipes the belt outer surface. The belt conveyor unit is switched from the second state to the first state after carrying out of a preliminary operation in which the conveyor belt is moved over a predetermined distance in a reverse direction opposite to a normal direction in which the conveyor belt transports a sheet.
    Type: Grant
    Filed: February 14, 2018
    Date of Patent: July 9, 2019
    Assignee: Seiko Epson Corporation
    Inventors: Kei Sadakuni, Satoshi Chiba, Nobuyuki Mizushima
  • Publication number: 20190193426
    Abstract: A recording unit which is provided in a recording system includes a heat roller pair which contacts paper and performs drying of the paper after recording by a line head using heating and a control unit which controls operation of the heat roller pair, in which a heating region of the heat roller pair is divided into a plurality of subdivisions in a width direction which intersects the medium transport direction and the heat roller pair is configured to be capable of modifying a heating state for each subdivision region, and in which the control unit controls the heating state of each of the subdivision regions in the heat roller pair according to conditions when performing drying of the paper using the heat roller pair.
    Type: Application
    Filed: December 26, 2018
    Publication date: June 27, 2019
    Inventors: Nobuyuki MIZUSHIMA, Kazuyoshi OHASHI, Akinori MUROMACHI, Kohei UENO
  • Publication number: 20180236785
    Abstract: A recording apparatus includes a belt conveyor unit that can be switched between a first state in which at least a portion of the belt outer surface of a conveyor belt is located at a recording position at which a line head performs recording and a second state in which the belt outer surface is located more distant than the recording position from the line head. The recording apparatus also includes a wiping device that is in contact with the belt outer surface and wipes the belt outer surface. The belt conveyor unit is switched from the second state to the first state after carrying out of a preliminary operation in which the conveyor belt is moved over a predetermined distance in a reverse direction opposite to a normal direction in which the conveyor belt transports a sheet.
    Type: Application
    Filed: February 14, 2018
    Publication date: August 23, 2018
    Inventors: Kei SADAKUNI, Satoshi CHIBA, Nobuyuki MIZUSHIMA
  • Patent number: 9919530
    Abstract: A printing apparatus includes a transport belt, a print head, a static eliminating section, and a wiping section. The transport belt electrostatically adsorbs a medium on an outer surface thereof and transports the medium in a transport direction.
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: March 20, 2018
    Assignee: Seiko Epson Corporation
    Inventors: Nobuyuki Mizushima, Satoshi Chiba, Yoshikazu Koike
  • Publication number: 20170151788
    Abstract: A printing apparatus includes a transport belt, a print head, a static eliminating section, and a wiping section. The transport belt electrostatically adsorbs a medium on an outer surface thereof and transports the medium in a transport direction.
    Type: Application
    Filed: November 17, 2016
    Publication date: June 1, 2017
    Inventors: Nobuyuki MIZUSHIMA, Satoshi CHIBA, Yoshikazu KOIKE
  • Patent number: 9546918
    Abstract: A sensor element includes, when three axes orthogonal to one another are set to be an A-axis, a B-axis, and a C-axis, first piezoelectric plate that is configured to have an X cut quartz crystal plate and outputs a charge in response to an external force along the A-axis direction, second piezoelectric plate that is configured to have a Y cut quartz crystal plate, is stacked in the A-axis direction with the first piezoelectric plate, and outputs a charge in response to the external force in the B-axis direction, and third piezoelectric plate that is configured to have a Y cut quartz crystal plate, is stacked in the A-axis direction so as to interpose the second piezoelectric plate between the first piezoelectric plate and the third piezoelectric plate and be arranged to turn around the A-axis, and outputs a charge in response to the external force in the C-axis direction.
    Type: Grant
    Filed: October 27, 2014
    Date of Patent: January 17, 2017
    Assignee: Seiko Epson Corporation
    Inventors: Nobuyuki Mizushima, Toshiyuki Kamiya, Hiroki Kawai
  • Publication number: 20160229067
    Abstract: To obtain a force detection device and a robot light in weight and having excellent detection accuracy, a force detection device includes a first member, a second member joined to the first member, and a piezoelectric element joined to the second member. A material forming the first member is different from a material forming the second member. The first member is formed in a plate shape. The piezoelectric element and the second member are disposed at an end portion of the first member. A through-hole is formed in the center portion of the first member.
    Type: Application
    Filed: February 5, 2016
    Publication date: August 11, 2016
    Inventors: Yoshiteru NISHIMURA, Nobuyuki MIZUSHIMA, Toshiyuki KAMIYA, Hiroki KAWAI
  • Patent number: 9391257
    Abstract: An actuator includes a vibrating piezoelectric element, and a holding unit that holds the piezoelectric element, in which the holding unit is disposed on a vibrating surface of the piezoelectric element, and includes a first support unit and a second support unit that are disposed on one side of the piezoelectric element, and a third support unit and a fourth support unit that are disposed on the other side of the piezoelectric element.
    Type: Grant
    Filed: December 5, 2012
    Date of Patent: July 12, 2016
    Assignee: Seiko Epson Corporation
    Inventors: Koichi Kamijo, Nobuyuki Mizushima, Osamu Miyazawa
  • Publication number: 20150120052
    Abstract: A sensor element includes, when three axes orthogonal to one another are set to be an A-axis, a B-axis, and a C-axis, first piezoelectric plate that is configured to have an X cut quartz crystal plate and outputs a charge in response to an external force along the A-axis direction, second piezoelectric plate that is configured to have a Y cut quartz crystal plate, is stacked in the A-axis direction with the first piezoelectric plate, and outputs a charge in response to the external force in the B-axis direction, and third piezoelectric plate that is configured to have a Y cut quartz crystal plate, is stacked in the A-axis direction so as to interpose the second piezoelectric plate between the first piezoelectric plate and the third piezoelectric plate and be arranged to turn around the A-axis, and outputs a charge in response to the external force in the C-axis direction.
    Type: Application
    Filed: October 27, 2014
    Publication date: April 30, 2015
    Inventors: Nobuyuki MIZUSHIMA, Toshiyuki KAMIYA, Hiroki KAWAI
  • Publication number: 20130255427
    Abstract: A piezoelectric motor includes a first supporting member, a second supporting member, a third supporting member, and a fourth supporting member configured to support a piezoelectric element, and the respective supporting members are formed with irregularities on contact surfaces thereof. In this configuration, the contact surfaces are prevented from being displaced, and reliable holding of the piezoelectric element and prevention of drive energy loss of a driven member are achieved.
    Type: Application
    Filed: March 28, 2013
    Publication date: October 3, 2013
    Applicant: Seiko Epson Corporation
    Inventors: Nobuyuki MIZUSHIMA, Koichi KAMIJO
  • Patent number: 8391757
    Abstract: An image forming method includes forming an image on a latent image bearing member by developing a latent image formed on the latent image bearing member using a liquid developing agent having toner and a carrier liquid, transferring the image onto an image bearing belt that cyclically moves while forming a winding portion by being wound upon the latent image bearing member, detecting positions of the image bearing belt using a first sensor and a second sensor disposed in a different position from that of the first sensor, and adjusting a formation position of the latent image based on the results of the detection, wherein at the winding portion, the transfer member makes contact with the latent image bearing member through the image bearing belt, and a transfer bias of a constant voltage is applied to the transfer member.
    Type: Grant
    Filed: July 20, 2010
    Date of Patent: March 5, 2013
    Assignee: Seiko Epson Corporation
    Inventors: Nobuyuki Mizushima, Yujiro Nomura
  • Patent number: 8099004
    Abstract: An image forming apparatus includes a first image carrier that carries a first latent image. A first charging section charges the first image carrier. A first exposure section exposes the first image carrier charged by the first charging section. A first developing section develops the first latent image formed on the first image carrier in the first exposure section using a first liquid developer containing a carrier and first toner particles. A first primary transfer section transfers a first image developed in the first developing section onto a transfer medium. A second image carrier carries a second latent image. A second charging section charges the second image carrier. A second exposure section exposes the second image carrier charged by the second charging section.
    Type: Grant
    Filed: December 23, 2008
    Date of Patent: January 17, 2012
    Assignee: Seiko Epson Corporation
    Inventors: Atsushi Imamura, Kunihiro Kawada, Nobuyuki Mizushima, Ken Ikuma
  • Patent number: 8059978
    Abstract: An image forming apparatus comprising: an image carrier that carries an image; a charging section that electrically charges the image carrier; an exposure section that forms a latent image on the image carrier electrically charged by the charging section; a development section that develops the latent image formed by the exposure section on the image carrier by means of a liquid developer; a primary transfer section that transfers a image developed by the development section onto a transfer medium; a secondary transfer section that transfers a image transferred onto the transfer medium further onto a recording medium by pressing the transfer medium; and a variable transfer pressure application section that applies transfer pressure of a first level or of a second level at the secondary transfer section.
    Type: Grant
    Filed: December 22, 2008
    Date of Patent: November 15, 2011
    Assignee: Seiko Epson Corporation
    Inventors: Nobuyuki Mizushima, Tomoyuki Shiiya, Atsushi Imamura, Ken Ikuma