Patents by Inventor Kiyoshi Tsujino

Kiyoshi Tsujino 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: 20200002894
    Abstract: The sheet manufacturing apparatus includes a fibrillating unit that fibrillates a raw material including fibers in a gas, an additive supply unit that supplies an additive, a mixing unit including a first rotating unit that mixes a fibrillated matter fibrillated by the fibrillating unit and the additive supplied by the additive supply unit, a depositing unit that deposits a mixture mixed by the mixing unit, a web forming unit including a mesh belt that transports a deposited material deposited by the depositing unit and a suction mechanism that sucks the deposited material to the mesh belt, and a control unit that changes granularity of a surface of the sheet by controlling at least one of a supply amount per unit time from the additive supply unit, a rotation velocity of the first rotating unit of the mixing unit, and a suction force of the suction mechanism.
    Type: Application
    Filed: February 27, 2018
    Publication date: January 2, 2020
    Inventors: Naotaka HIGUCHI, Yoshihiro UENO, Kiyoshi TSUJINO
  • Publication number: 20190309475
    Abstract: The vaporization type humidification unit includes a vaporization unit that evaporates moisture, a first blower that sucks humidification air humidified by the vaporization unit, a transport tube that is connected to the first blower and through which the air discharged from the first blower is transported, a second blower connected to the transport tube and discharging the humidification air discharged from the first blower side toward outside, an opening provided in a middle of the transport tube, a humidity measurement unit installed on a discharging side of the second blower, and a control unit that controls an air flow rate discharged from the first blower and the second blower, in which the control unit controls the air flow rate discharged from the second blower to a desired value and controls the air flow rate discharged from the first blower based on a humidity measured by the humidity measurement unit.
    Type: Application
    Filed: November 6, 2017
    Publication date: October 10, 2019
    Inventors: Yuta INAGAKI, Hiroyasu SAITA, Kiyoshi TSUJINO, Yutaka SAITO, Masahide NAKAMURA
  • Patent number: 10358752
    Abstract: A sheet manufacturing apparatus can manufacture sheets using a small amount of energy even when making high grammage sheets. A sheet manufacturing apparatus according to the invention is characterized by supplying 0.014 times or more and 0.28 times or less energy to heat and compress a laid web of fiber and resin, bond multiple fibers through the resin, and forma sheet with grammage of 80 g/m2 than the energy consumed to dry a web containing approximately the same weight percent of water as fiber and form a sheet with grammage of 80 g/m2.
    Type: Grant
    Filed: April 13, 2015
    Date of Patent: July 23, 2019
    Assignee: Seiko Epson Corporation
    Inventor: Kiyoshi Tsujino
  • Publication number: 20170114484
    Abstract: A sheet manufacturing apparatus can manufacture sheets using a small amount of energy even when making high grammage sheets. A sheet manufacturing apparatus according to the invention is characterized by supplying 0.014 times or more and 0.28 times or less energy to heat and compress a laid web of fiber and resin, bond multiple fibers through the resin, and forma sheet with grammage of 80 g/m2 than the energy consumed to dry a web containing approximately the same weight percent of water as fiber and form a sheet with grammage of 80 g/m2.
    Type: Application
    Filed: April 13, 2015
    Publication date: April 27, 2017
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Kiyoshi TSUJINO
  • Publication number: 20160168794
    Abstract: A sheet manufacturing apparatus includes a forming unit configured to form a continuous sheet. The forming unit includes a deposition unit configured to deposit a material containing fiber, a pressurizing unit configured to pressurize a deposited web, and a heating unit configured to heat the web. The forming unit further includes a detection unit. The detection unit may be an optical sensor including a light source configured to emit light from a side of one surface of the continuous sheet (or a single sheet) and a light receiver configured to receive the light on a side of the other surface. The texture may be detected by the optical sensor over the entire surface of the continuous sheet.
    Type: Application
    Filed: December 10, 2015
    Publication date: June 16, 2016
    Inventor: Kiyoshi TSUJINO
  • Patent number: 9227413
    Abstract: To provide a waste ink absorber excellent in permeability and retaining performance, a waste ink absorber to be mounted in a waste ink tank to absorb waste ink discharged from a head for ejecting ink, includes, in a state of a single piece of the waste ink absorber not mounted in the waste ink tank, a portion low in density and a portion higher in density as compared with the portion low in density in a direction along a plane surface having a largest surface area.
    Type: Grant
    Filed: December 18, 2013
    Date of Patent: January 5, 2016
    Assignee: Seiko Epson Corporation
    Inventors: Kiyoshi Tsujino, Hidehiro Takano, Shunichi Seki
  • Patent number: 9038768
    Abstract: A printing device includes a case, a printing unit arranged inside the case, and a sound absorbing body arranged inside the case. The sound absorbing body has parts with different densities including a dense part with a higher density and a non-dense part with a lower density. The non-dense part includes a fibrillated part that is fibrillated into fiber form, and an unfibrillated part that is not fibrillated into fiber form.
    Type: Grant
    Filed: February 11, 2014
    Date of Patent: May 26, 2015
    Assignee: Seiko Epson Corporation
    Inventor: Kiyoshi Tsujino
  • Patent number: 9038767
    Abstract: A sound absorbing body includes a fibrillated part fibrillated into fiber form, and an unfibrillated part that is not fibrillated into fiber form. The unfibrillated part is dispersed inside the single sound absorbing body.
    Type: Grant
    Filed: February 11, 2014
    Date of Patent: May 26, 2015
    Assignee: Seiko Epson Corporation
    Inventor: Kiyoshi Tsujino
  • Patent number: 9038769
    Abstract: A sound absorbing body includes parts of different densities including a plurality of non-dense parts of lower density and a plurality of dense parts of higher density. The non-dense parts and the dense parts are alternately laminated obliquely.
    Type: Grant
    Filed: February 11, 2014
    Date of Patent: May 26, 2015
    Assignee: Seiko Epson Corporation
    Inventor: Kiyoshi Tsujino
  • Publication number: 20140262606
    Abstract: A sound absorbing body includes fibers as a main constituent. A density of the sound absorbing body differs for one surface side and the other surface side in a thickness direction. A color of the sound absorbing body differs for the one surface side and the other surface side.
    Type: Application
    Filed: March 4, 2014
    Publication date: September 18, 2014
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Kiyoshi TSUJINO
  • Publication number: 20140224571
    Abstract: A sound absorbing body includes a fibrillated part fibrillated into fiber form, and an unfibrillated part that is not fibrillated into fiber form. The unfibrillated part is dispersed inside the single sound absorbing body.
    Type: Application
    Filed: February 11, 2014
    Publication date: August 14, 2014
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Kiyoshi TSUJINO
  • Publication number: 20140224573
    Abstract: A sound absorbing body includes parts of different densities including a plurality of non-dense parts of lower density and a plurality of dense parts of higher density. The non-dense parts and the dense parts are alternately laminated obliquely.
    Type: Application
    Filed: February 11, 2014
    Publication date: August 14, 2014
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Kiyoshi TSUJINO
  • Publication number: 20140224572
    Abstract: A printing device includes a case, a printing unit arranged inside the case, and a sound absorbing body arranged inside the case. The sound absorbing body has parts with different densities including a dense part with a higher density and a non-dense part with a lower density. The non-dense part includes a fibrillated part that is fibrillated into fiber form, and an unfibrillated part that is not fibrillated into fiber form.
    Type: Application
    Filed: February 11, 2014
    Publication date: August 14, 2014
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Kiyoshi Tsujino
  • Publication number: 20140184693
    Abstract: To provide a waste ink absorber excellent in permeability and retaining performance, a waste ink absorber to be mounted in a waste ink tank to absorb waste ink discharged from a head for ejecting ink, includes, in a state of a single piece of the waste ink absorber not mounted in the waste ink tank, a portion low in density and a portion higher in density as compared with the portion low in density in a direction along a plane surface having a largest surface area.
    Type: Application
    Filed: December 18, 2013
    Publication date: July 3, 2014
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Kiyoshi TSUJINO, Hidehiro TAKANO, Shunichi SEKI
  • Patent number: 8264509
    Abstract: An exposure head includes a light emitting segment that emits light; an electrical load that is electrically connected to a circuit in which a current to be supplied to the light emitting segment flows; and a current supply controller that supplies a first current to the light emitting segment to cause the light emitting segment to emit light and supplies a second current to the electrical load during the time when the current supply controller blocks the supply of the first current to the light emitting segment.
    Type: Grant
    Filed: January 26, 2010
    Date of Patent: September 11, 2012
    Assignee: Seiko Epson Corporation
    Inventors: Nozomu Inoue, Yoshio Arai, Kiyoshi Tsujino
  • Patent number: 8184332
    Abstract: An image forming apparatus includes an image processing unit that has line heads that include a plurality of light sources disposed in a line shape in a main scanning direction, causes each light source to emit light onto image data to form pixels on an exposed surface, and performs image exposure, and creates two-dimensional image data to be printed on the basis of an image signal from the outside and an operation instruction. The image processing unit corrects the two-dimensional image data such that a density irregularity is corrected on the basis of light amount data and/or optical characteristic data for each of the pixels for the line heads, according to a correction value created on the basis of the light amount data and/or optical characteristic data for each of the pixels of the line heads.
    Type: Grant
    Filed: March 6, 2007
    Date of Patent: May 22, 2012
    Assignee: Seiko Epson Corporation
    Inventors: Nozomu Inoue, Kiyoshi Tsujino, Ken Ikuma
  • Patent number: 8179413
    Abstract: An image forming device includes: an exposure head having a plurality of light emitting elements arranged in a first direction, a first imaging optical system adapted to image light emitted from the light emitting elements, and a second imaging optical system disposed in a second direction with respect to the first imaging optical system; a latent image carrier movable in the second direction; a detection section adapted to detect a moving time the latent image carrier takes to move from a first position to a second position in the second direction; and a control section adapted to control the time from emission of a first part of the light emitting elements adapted to emit light to be imaged by the first imaging optical system to emission of a second part of the light emitting elements adapted to emit light to be imaged by the second imaging optical system based on the detection result of the detection section, thereby aligning a latent image formed on the latent image carrier by the first imaging optical sy
    Type: Grant
    Filed: January 26, 2011
    Date of Patent: May 15, 2012
    Assignee: Seiko Epson Corporation
    Inventors: Yujiro Nomura, Nozomu Inoue, Kiyoshi Tsujino, Ryuta Koizumi
  • Patent number: 8174548
    Abstract: An image forming apparatus, includes: a latent image carrier that moves in a first direction; an exposure head that includes a first imaging optical system, a second imaging optical system that is distanced from the first imaging optical system in the first direction, a light emitting element that emits a light to be imaged on the latent image carrier by the first imaging optical system and a light emitting element that emits a light to be imaged on the latent image carrier by the second imaging optical system; and a controller that is adapted to control a light quantity of the light emitting element that emits a light to be imaged on the latent image carrier by the first imaging optical system in accordance with an imaging characteristic of the first imaging optical system.
    Type: Grant
    Filed: December 15, 2008
    Date of Patent: May 8, 2012
    Assignee: Seiko Epson Corporation
    Inventors: Kiyoshi Tsujino, Nozomu Inoue, Yujiro Nomura, Ken Ikuma
  • Patent number: 8031214
    Abstract: In a line head, a plurality of element arrays arranged in a first direction. Each array includes a plurality of light emission elements arrayed in a second direction which is perpendicularly to the first direction. The light emission elements emit light for forming an electrostatic latent image on a photosensitive surface of an image carrier. A switcher activates the light emission elements in at least one of the element arrays while deactivating the others. A developer develops the latent image as a visible image with toner.
    Type: Grant
    Filed: January 31, 2008
    Date of Patent: October 4, 2011
    Assignee: Seiko Epson Corporation
    Inventors: Katsunori Yamazaki, Yujiro Nomura, Kiyoshi Tsujino
  • Patent number: 7999838
    Abstract: In a line head, a plurality of light emitters are arrayed on a substrate in a first direction. Each of the light emitters is operable to emit a light beam. In a rod lens array, a plurality of rod lenses are arrayed in the first direction, and each of the rod lenses is adapted to focus the light beam emitted from an associated one of the light emitters onto a target surface. The substrate and the rod lens array are attached to a holder elongated in the first direction. Positioning members are provided at both end portions of the holder in the first direction. A relative position between the substrate and at least one of the positioning members is variable in a second direction perpendicular to the first direction.
    Type: Grant
    Filed: February 2, 2009
    Date of Patent: August 16, 2011
    Assignee: Seiko Epson Corporation
    Inventors: Nozomu Inoue, Kiyoshi Tsujino