Patents by Inventor Shunichi Seki

Shunichi Seki 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: 20200011009
    Abstract: A sheet is configured to have a first complex having a fiber and a fiber aggregation inhibitor integrally, a second complex having a fiber and a fiber aggregation inhibitor integrally, and a binding material which combines the first complex and the second complex and contains a resin.
    Type: Application
    Filed: January 30, 2018
    Publication date: January 9, 2020
    Inventors: Akira ARAI, Kaneo YODA, Shunichi SEKI, Yoshihiro UENO, Kazuhiro ICHIKAWA, Shinichi KATO, Hidehiro TAKANO
  • Publication number: 20190389226
    Abstract: A sheet for a laser printer includes a plurality of fibers, and a binding agent for binding the plurality of fibers, in which an abundance of the binding agent on a surface of the sheet is smaller than an abundance of the binding agent in a center in a thickness direction of the sheet.
    Type: Application
    Filed: June 20, 2019
    Publication date: December 26, 2019
    Inventors: Yoshihiro UENO, Takumi SAGO, Hiroki KURATA, Shunichi SEKI
  • Publication number: 20190316283
    Abstract: A composite integrally includes a resin and a coagulation inhibitor, and is used to be mixed with fibers. The composite is a powder whose volume average particle diameter is 1 ?m or more to 100 ?m or less, and at least a portion of the coagulation inhibitor is arranged in a surface of the composite.
    Type: Application
    Filed: June 28, 2019
    Publication date: October 17, 2019
    Inventors: Yoshihiro UENO, Shunichi SEKI
  • Publication number: 20190299607
    Abstract: An ink absorber includes: an ink absorbing member that is capable of absorbing ink; an accommodation section that accommodates the ink absorbing member; and a detachment structure section that detaches the ink absorbing member from the accommodation section. In the ink absorber, it is preferable that the accommodation section have a bottom section and side wall sections standing up from the bottom section, that inclined surfaces inclined relative to the bottom section be formed inside the side wall sections, and that the detachment structure section be configured with the inclined surfaces.
    Type: Application
    Filed: March 26, 2019
    Publication date: October 3, 2019
    Inventors: Yoichi MIYASAKA, Kaneo YODA, Nobutaka URANO, Seiichi TANIGUCHI, Akio ITO, Shunichi SEKI
  • Publication number: 20190299629
    Abstract: An ink absorbing member accommodation container includes: an accommodation container that has an accommodation space for accommodating an ink absorbing member containing water-absorbable resin capable of absorbing ink inside the accommodation container and that includes an inlet port through which the ink flows into the accommodation space; and a flying preventing mechanism that prevents a constituent material of the ink absorbing member from flying from the inlet port to an outside of the accommodation container.
    Type: Application
    Filed: March 26, 2019
    Publication date: October 3, 2019
    Inventors: Kaneo YODA, Yoichi MIYASAKA, Nobutaka URANO, Seiichi TANIGUCHI, Akio ITO, Shunichi SEKI
  • Patent number: 10369816
    Abstract: Provided is technology enabling reliably erasing information on recovered paper, and whitening (reducing blackening) of the sheet. A sheet processing device has an image inspector configured to determine from a sheet printed with image information at least one of a background color of the sheet, and position, size, and color of the image information on the sheet; an image analyzer configured to determine, based on the evaluation result from the image inspector, a type of ink masking agent and an amount of ink masking agent; an ink masking agent applicator configured to apply to the image information printed on the sheet an ink masking agent of the specific type and specific amount determined by the image analyzer; and a shredder configured to comminute the sheet to which the ink masking agent was applied by the ink masking agent applicator.
    Type: Grant
    Filed: August 30, 2018
    Date of Patent: August 6, 2019
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Shunichi Seki, Hiroki Kurata, Shinichi Kato, Kaneo Yoda
  • Patent number: 10350784
    Abstract: A sheet manufacturing apparatus can process various materials and manufacture a variety of sheets by changing conditions for making the sheets. A sheet manufacturing apparatus according to the invention has a supply unit that supplies feedstock; a defibrating unit that defibrates the feedstock; a classifier that classifies defibrated material that past the defibrating unit; a mixing unit that mixes an additive containing resin with the classified material that past the classifier; a sieve unit that passes the mixture that past the mixing unit through many openings; a deposition unit that deposits precipitate that past many openings in the sieve unit; a forming unit that applies pressure and heat to the web deposited on the deposition unit, forming a sheet; and a control unit that changes a condition of at least one of the classifier, mixing unit, sieve unit, deposition unit, and forming unit.
    Type: Grant
    Filed: September 26, 2014
    Date of Patent: July 16, 2019
    Assignee: Seiko Epson Corporation
    Inventors: Yoshiaki Murayama, Shunichi Seki, Katsuhito Gomi
  • Publication number: 20190203414
    Abstract: A processing apparatus includes a deinking material supply portion that supplies a deinking material to defibrated fibers, and an agitating portion that agitates a mixture of the deinking material and the fibers. The agitating portion includes a chamber and a rotary blade that rotates in the chamber.
    Type: Application
    Filed: December 26, 2018
    Publication date: July 4, 2019
    Inventors: Shunichi SEKI, Satomi YOSHIOKA
  • Publication number: 20190203415
    Abstract: A processing apparatus includes a powder material supply portion that supplies a powder material containing a first particle group consisting of a plurality of first particles, and a second particle group consisting of a plurality of second particles and having an average particle diameter larger than that of the first particle group, to a fiber-containing material containing a fiber during or after defibrating, and a powder material removing portion that removes at least a portion of the powder material from the fiber-containing material supplied with the powder material. It is preferable that the processing apparatus include a defibrating portion that defibrates the fiber-containing material on an upstream side of the powder material supply portion.
    Type: Application
    Filed: December 27, 2018
    Publication date: July 4, 2019
    Inventors: Satomi YOSHIOKA, Shunichi SEKI
  • Publication number: 20190186053
    Abstract: A sheet fabrication apparatus includes: a fiber separation unit that micronizes an ingredient; a first sensor unit that measures a temperature in a first space including the fiber separation unit; a first air conditioning unit that adjusts the temperature in the first space; a fabrication unit that works the fiber separated articles obtained by micronizing the ingredient by the fiber separation unit; a second sensor unit that measures at least either a temperature or a humidity at a mounting position of the fabrication unit; and a control unit that controls the first air conditioning unit on the basis of at least any of measurement results of the first sensor unit and the second sensor unit.
    Type: Application
    Filed: December 19, 2018
    Publication date: June 20, 2019
    Inventors: Kaneo YODA, Yoshihiro UENO, Shunichi SEKI, Seiichi TANIGUCHI
  • Patent number: 10253456
    Abstract: A recycled sheet in which fibers are bonded via an additive agent includes a history including information that is related to characteristics.
    Type: Grant
    Filed: March 27, 2017
    Date of Patent: April 9, 2019
    Assignee: Seiko Epson Corporation
    Inventors: Shunichi Seki, Yoshiaki Murayama, Katsuhito Gomi, Toshiaki Yamagami
  • Publication number: 20190061389
    Abstract: Provided is technology enabling reliably erasing information on recovered paper, and whitening (reducing blackening) of the sheet. A sheet processing device has an image inspector configured to determine from a sheet printed with image information at least one of a background color of the sheet, and position, size, and color of the image information on the sheet; an image analyzer configured to determine, based on the evaluation result from the image inspector, a type of ink masking agent and an amount of ink masking agent; an ink masking agent applicator configured to apply to the image information printed on the sheet an ink masking agent of the specific type and specific amount determined by the image analyzer; and a shredder configured to comminute the sheet to which the ink masking agent was applied by the ink masking agent applicator.
    Type: Application
    Filed: August 30, 2018
    Publication date: February 28, 2019
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Shunichi SEKI, Hiroki KURATA, Shinichi KATO, Kaneo YODA
  • Publication number: 20180305869
    Abstract: A processing device, a sheet manufacturing apparatus, a processing method, and a sheet manufacturing method that suppress damage to a substrate when removing color material from the substrate, and are useful for recycling the substrate after color material is removed, are provided. A processing device has a color material removal device including at least one discharge nozzle configured to discharge particles containing cellulose to a substrate holding color material, and remove the color material from the substrate. The color material removal device preferably has a double-walled conduit construction having an internal conduit and an external conduit in which the internal conduit is inserted, at least one of an opening to the internal conduit and an opening to the external conduit functioning as the discharge nozzle.
    Type: Application
    Filed: April 23, 2018
    Publication date: October 25, 2018
    Inventors: Shunichi SEKI, Hiroki KURATA, Hiroshi TANAKA, Seiichi TANIGUCHI, Kaneo YODA
  • Patent number: 9855753
    Abstract: A waste liquid absorber is adapted to absorb waste liquid discharged from an outlet configured to eject ink in an accommodated state when the waste liquid absorber is accommodated in an accommodation portion. The waste liquid absorber includes a first portion and a second portion having different densities in a thickness direction of a single piece of the waste liquid absorber, and the first portion has higher density than the second portion. Each of the first portion and the second portion includes a fiber and solid flame retardant powders. The fiber of the first portion is formed of material that is the same as material of which the fiber of the second portion is formed.
    Type: Grant
    Filed: August 3, 2016
    Date of Patent: January 2, 2018
    Assignee: Seiko Epson Corporation
    Inventors: Hidehiro Takano, Shunichi Seki, Yoshiyuki Nagai
  • Publication number: 20170198438
    Abstract: A recycled sheet in which fibers are bonded via an additive agent includes a history including information that is related to characteristics.
    Type: Application
    Filed: March 27, 2017
    Publication date: July 13, 2017
    Inventors: Shunichi SEKI, Yoshiaki MURAYAMA, Katsuhito GOMI, Toshiaki YAMAGAMI
  • Patent number: 9637863
    Abstract: A sheet manufacturing apparatus includes: a defibrating unit which defibrates a raw material including at least fibers; an addition unit which adds an additive agent to a defibrated material which is defibrated in the defibrating unit; and a sheet forming unit which forms a sheet by bonding the plurality of fibers to each other via the additive agent. According to a history of the raw material, an amount of the additive agent which is fed by the addition unit varies. In addition, there is provided a sheet manufacturing method, including: defibrating the raw material which includes at least fibers; adding the additive agent to the defibrated material; and bonding the plurality of fibers to each other via the additive agent. According to the history of the raw material, a feed amount of the additive agent with respect to the raw material varies.
    Type: Grant
    Filed: July 21, 2016
    Date of Patent: May 2, 2017
    Assignee: Seiko Epson Corporation
    Inventors: Shunichi Seki, Yoshiaki Murayama, Katsuhito Gomi, Toshiaki Yamagami
  • Patent number: 9620719
    Abstract: Disclosed are compositions, useful in ink jet printing methods, that prevent clogging during dispensing, achieve stable dispensing, prevent precipitating of content matter during dispensing, and prevent phase separation during film formation. Also disclosed are uniform, homogenous, functional films formed using the compositions and manufacturing methods therefor, as well as organic EL devices and other such display devices and manufacturing methods therefor. The compositions contain a functional material and a solvent comprising at least one benzene derivative having one or more substituents, whereby the substituents have at least three carbon atoms in total.
    Type: Grant
    Filed: June 29, 2012
    Date of Patent: April 11, 2017
    Assignees: SEIKO EPSON CORPORATION, CAMBRIDGE DISPLAY TECHNOLOGY LIMITED
    Inventors: Sadao Kanbe, Shunichi Seki
  • Patent number: 9574304
    Abstract: A sheet-manufacturing device that manufactures a sheet of which the quality is stable, by controlling airflow to be constant and causing a defibrated state to be constant. A sheet-manufacturing device including a defibrating unit configured to generate a defibrated material by defibrating a defibration object; a temperature acquiring unit configured to acquire a temperature of the defibrating unit; and a control unit configured to change a mass flow rate of the air including the defibrated material transported from the defibrating unit.
    Type: Grant
    Filed: March 18, 2014
    Date of Patent: February 21, 2017
    Assignee: Seiko Epson Corporation
    Inventors: Yuki Oguchi, Shunichi Seki
  • Publication number: 20160339707
    Abstract: A waste liquid absorber is adapted to absorb waste liquid discharged from an outlet configured to eject ink in an accommodated state when the waste liquid absorber is accommodated in an accommodation portion. The waste liquid absorber includes a first portion and a second portion having different densities in a thickness direction of a single piece of the waste liquid absorber, and the first portion has higher density than the second portion. Each of the first portion and the second portion includes a fiber and solid flame retardant powders. The fiber of the first portion is formed of material that is the same as material of which the fiber of the second portion is formed.
    Type: Application
    Filed: August 3, 2016
    Publication date: November 24, 2016
    Inventors: Hidehiro TAKANO, Shunichi SEKI, Yoshiyuki NAGAI
  • Publication number: 20160332325
    Abstract: A sheet manufacturing apparatus can process various materials and manufacture a variety of sheets by changing conditions for making the sheets. A sheet manufacturing apparatus according to the invention has a supply unit that supplies feedstock; a defibrating unit that defibrates the feedstock; a classifier that classifies defibrated material that past the defibrating unit; a mixing unit that mixes an additive containing resin with the classified material that past the classifier; a sieve unit that passes the mixture that past the mixing unit through many openings; a deposition unit that deposits precipitate that past many openings in the sieve unit; a forming unit that applies pressure and heat to the web deposited on the deposition unit, forming a sheet; and a control unit that changes a condition of at least one of the classifier, mixing unit, sieve unit, deposition unit, and forming unit.
    Type: Application
    Filed: September 26, 2014
    Publication date: November 17, 2016
    Inventors: Yoshiaki MURAYAMA, Shunichi SEKI, Katsuhito GOMI