Patents by Inventor Tomoki SHINODA

Tomoki SHINODA 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).

  • Patent number: 11807010
    Abstract: A liquid ejecting apparatus includes a liquid ejecting portion that has a supply port, a second discharge port, a plurality of nozzles, and a nozzle surface on which a plurality of the nozzles are open, and that discharges the liquid from the nozzles, a liquid supply flow path coupled to the supply port so that the liquid is supplied to the liquid ejecting portion, and a liquid return flow path coupled to the second discharge port so that the liquid supplied to the liquid ejecting portion is returned to the liquid supply flow path, in which a pressure lowering operation of lowering a pressure in the liquid ejecting portion is performed in a state where a flow of the liquid in the liquid return flow path is blocked after performing a pressurization discharge operation of pressurizing the liquid in the liquid ejecting portion and discharging the liquid from the nozzle.
    Type: Grant
    Filed: March 1, 2023
    Date of Patent: November 7, 2023
    Assignee: Seiko Epson Corporation
    Inventors: Tomoki Shinoda, Takeshi Iwamuro, Hitotoshi Kimura
  • Publication number: 20230264476
    Abstract: Provided is a method of controlling a liquid ejecting device. The liquid ejecting device includes a liquid ejecting unit configured to eject a liquid containing an inorganic pigment from a nozzle provided at a nozzle surface, a wiper unit including a band-like member configured to absorb the liquid and a pressing unit configured to move the band-like member in a first direction, and a wiper moving unit configured to move the wiper unit in a second direction opposite to the first direction to wipe the nozzle surface using the band-like member. The method includes performing first wiping in which, to wipe the nozzle surface, the wiper moving unit moves the wiper unit at a first velocity while the pressing unit moves the band-like member at a first velocity.
    Type: Application
    Filed: February 21, 2023
    Publication date: August 24, 2023
    Inventors: Ken INOUE, Tomoki SHINODA, Shunsuke KURAMATA, Masaaki ANDO
  • Publication number: 20230202179
    Abstract: A liquid ejecting apparatus includes a liquid ejecting portion that has a supply port, a second discharge port, a plurality of nozzles, and a nozzle surface on which a plurality of the nozzles are open, and that discharges the liquid from the nozzles, a liquid supply flow path coupled to the supply port so that the liquid is supplied to the liquid ejecting portion, and a liquid return flow path coupled to the second discharge port so that the liquid supplied to the liquid ejecting portion is returned to the liquid supply flow path, in which a pressure lowering operation of lowering a pressure in the liquid ejecting portion is performed in a state where a flow of the liquid in the liquid return flow path is blocked after performing a pressurization discharge operation of pressurizing the liquid in the liquid ejecting portion and discharging the liquid from the nozzle.
    Type: Application
    Filed: March 1, 2023
    Publication date: June 29, 2023
    Inventors: Tomoki SHINODA, Takeshi IWAMURO, Hitotoshi KIMURA
  • Patent number: 11618260
    Abstract: A liquid ejecting apparatus includes a liquid ejecting portion that has a supply port, a second discharge port, a plurality of nozzles, and a nozzle surface on which a plurality of the nozzles are open, and that discharges the liquid from the nozzles, a liquid supply flow path coupled to the supply port so that the liquid is supplied to the liquid ejecting portion, and a liquid return flow path coupled to the second discharge port so that the liquid supplied to the liquid ejecting portion is returned to the liquid supply flow path, in which a pressure lowering operation of lowering a pressure in the liquid ejecting portion is performed in a state where a flow of the liquid in the liquid return flow path is blocked after performing a pressurization discharge operation of pressurizing the liquid in the liquid ejecting portion and discharging the liquid from the nozzle.
    Type: Grant
    Filed: July 13, 2021
    Date of Patent: April 4, 2023
    Assignee: Seiko Epson Corporation
    Inventors: Tomoki Shinoda, Takeshi Iwamuro, Hitotoshi Kimura
  • Publication number: 20220212467
    Abstract: A recording unit configured to ejecting liquid onto a medium in a ejecting direction from a nozzle provided at a nozzle surface to perform recording, a cleaning unit including a first pressing unit and a second pressing unit for cleaning the nozzle surface, and a temperature detection unit configured to detect temperature are included, the nozzle surface includes a first surface in which the nozzle opens and a second surface, and the cleaning unit is configured to perform the cleaning with a distance in the ejecting direction from the first surface set to the first pressing unit or the second pressing unit to a first distance when a detected temperature detected by the temperature detection unit is equal to or greater than a predetermined temperature, and to a second distance shorter than the first distance when the detected temperature is lower than the predetermined temperature.
    Type: Application
    Filed: January 3, 2022
    Publication date: July 7, 2022
    Inventors: Tomoki SHINODA, Chikashi NAKAMURA, Takeshi IWAMURO, Yu TSUMURAYA
  • Patent number: 11230115
    Abstract: A liquid ejecting apparatus includes a liquid ejecting portion having a filter configured to filter a supplied liquid and eject the liquid filtered by the filter from nozzles, a liquid ejecting portion holding portion replaceably holding the liquid ejecting portion, a liquid supply flow channel coupled to the liquid ejecting portion so as to supply the liquid to the liquid ejecting portion, a flow mechanism configured to flow the liquid, and a control portion configured to drive the flow mechanism to cause the liquid to flow in the liquid supply flow channel toward the liquid ejecting portion in replacement of the liquid ejecting portion.
    Type: Grant
    Filed: July 2, 2020
    Date of Patent: January 25, 2022
    Assignee: Seiko Epson Corporation
    Inventors: Tomoki Shinoda, Takeshi Iwamuro, Hitotoshi Kimura
  • Publication number: 20220016888
    Abstract: A liquid ejecting apparatus includes a liquid ejecting portion that has a supply port, a second discharge port, a plurality of nozzles, and a nozzle surface on which a plurality of the nozzles are open, and that discharges the liquid from the nozzles, a liquid supply flow path coupled to the supply port so that the liquid is supplied to the liquid ejecting portion, and a liquid return flow path coupled to the second discharge port so that the liquid supplied to the liquid ejecting portion is returned to the liquid supply flow path, in which a pressure lowering operation of lowering a pressure in the liquid ejecting portion is performed in a state where a flow of the liquid in the liquid return flow path is blocked after performing a pressurization discharge operation of pressurizing the liquid in the liquid ejecting portion and discharging the liquid from the nozzle.
    Type: Application
    Filed: July 13, 2021
    Publication date: January 20, 2022
    Inventors: Tomoki SHINODA, Takeshi IWAMURO, Hitotoshi KIMURA
  • Publication number: 20210001631
    Abstract: A liquid ejecting apparatus includes a liquid ejecting portion having a filter configured to filter a supplied liquid and eject the liquid filtered by the filter from nozzles, a liquid ejecting portion holding portion replaceably holding the liquid ejecting portion, a liquid supply flow channel coupled to the liquid ejecting portion so as to supply the liquid to the liquid ejecting portion, a flow mechanism configured to flow the liquid, and a control portion configured to drive the flow mechanism to cause the liquid to flow in the liquid supply flow channel toward the liquid ejecting portion in replacement of the liquid ejecting portion.
    Type: Application
    Filed: July 2, 2020
    Publication date: January 7, 2021
    Inventors: Tomoki SHINODA, Takeshi IWAMURO, Hitotoshi KIMURA
  • Patent number: 10654289
    Abstract: An inkset for ink jet textile printing includes a first ink having a pigment and a resin; and a second ink having a pigment, a resin, and an emulsifier, in which the emulsifier includes at least one kind selected from an anionic emulsifier represented by the following general formula (1) and a nonionic emulsifier represented by the following general formula (2), whose HLB value is 12 or more, R1—O—(CH2—CH2—O)n-A??(1), and R2—O—(CH2—CH2—O)m—H??(2).
    Type: Grant
    Filed: August 7, 2017
    Date of Patent: May 19, 2020
    Assignee: Seiko Epson Corporation
    Inventors: Masakazu Ohashi, Toru Saito, Tomoki Shinoda
  • Patent number: 10562315
    Abstract: In a filling operation of filling liquid in a liquid supply flow path which includes a filter having holes by causing a pressure on a downstream side in the liquid supply flow path to be lower than a pressure on an upstream side, and a maximum pressure difference which occurs between an upstream side of the filter and a downstream side of the filter is larger than a pressure difference for destroying a gas-liquid interface formed in the hole in a case where the upstream side of the filter is the liquid, and the downstream side of the filter is gas, and is smaller than a pressure difference for destroying the gas-liquid interface formed in the hole, in a case where the upstream side of the filter is the gas, and the downstream side of the filter is the liquid.
    Type: Grant
    Filed: June 13, 2018
    Date of Patent: February 18, 2020
    Assignee: Seiko Epson Corporation
    Inventors: Tomoki Shinoda, Takeshi Iwamuro, Toshihiro Shinbara
  • Patent number: 10179863
    Abstract: An ink jet recording method includes first attaching an ink composition to fabric so as to have an attached amount of 10 mg/inch2 to 30 mg/inch2, and second attaching the ink composition to the fabric so as to have an attached amount of 90 mg/inch2 to 250 mg/inch2, in which the ink composition includes a pigment and a resin dispersion, and a content of a resin included in the resin dispersion is 0.5 parts by mass to 2.5 parts by mass with respect to 1 part by mass of the pigment.
    Type: Grant
    Filed: April 27, 2017
    Date of Patent: January 15, 2019
    Assignee: Seiko Epson Corporation
    Inventors: Masakazu Ohashi, Toru Saito, Tomoki Shinoda
  • Patent number: 10166780
    Abstract: A liquid accommodating body includes a liquid accommodating chamber that accommodates liquid, a pouring port through which the liquid is poured into the liquid accommodating chamber, a visual recognition portion through which a surface of liquid accommodated in the liquid accommodating chamber is visually recognized and which is provided on a side wall forming the liquid accommodating chamber, a partition wall that partitions the liquid accommodating chamber into a pouring port side liquid accommodating chamber into which the liquid is poured through the pouring port and a visual recognition portion side liquid accommodating chamber including the visual recognition portion in a direction intersecting a gravity direction, and a liquid communication portion which is provided between the partition wall and a bottom wall forming the liquid accommodating chamber and through which the pouring port side liquid accommodating chamber and the visual recognition portion side liquid accommodating chamber communicate with
    Type: Grant
    Filed: August 7, 2017
    Date of Patent: January 1, 2019
    Assignee: Seiko Epson Corporation
    Inventors: Tomoki Shinoda, Takeshi Iwamuro, Takanori Seki, Hitotoshi Kimura
  • Publication number: 20180361751
    Abstract: In a filling operation of filling liquid in a liquid supply flow path which includes a filter having holes by causing a pressure on a downstream side in the liquid supply flow path to be lower than a pressure on an upstream side, and a maximum pressure difference which occurs between an upstream side of the filter and a downstream side of the filter is larger than a pressure difference for destroying a gas-liquid interface formed in the hole in a case where the upstream side of the filter is the liquid, and the downstream side of the filter is gas, and is smaller than a pressure difference for destroying the gas-liquid interface formed in the hole, in a case where the upstream side of the filter is the gas, and the downstream side of the filter is the liquid.
    Type: Application
    Filed: June 13, 2018
    Publication date: December 20, 2018
    Inventors: Tomoki SHINODA, Takeshi IWAMURO, Toshihiro SHINBARA
  • Patent number: 9950540
    Abstract: There is provided an ink jet recording method for printing a pigment in which a pigment printing ink composition including at least pigment as a colorant is discharged from a nozzle opening as an ink droplet having an amount of the ink of the ink droplet of 9 ng or less with an average discharging speed V of 5 m/s or greater at a distance in the range of 0.5 mm to 1.0 mm in the direction from the nozzle opening to cloth, and whereby the pigment printing ink composition is adhered to the cloth.
    Type: Grant
    Filed: March 10, 2016
    Date of Patent: April 24, 2018
    Assignee: Seiko Epson Corporation
    Inventors: Toru Saito, Tomoki Shinoda, Masakazu Ohashi, Masashi Kamibayashi, Yoshihiro Watanabe
  • Publication number: 20180056662
    Abstract: A liquid accommodating body includes a liquid accommodating chamber that accommodates liquid, a pouring port through which the liquid is poured into the liquid accommodating chamber, a visual recognition portion through which a surface of liquid accommodated in the liquid accommodating chamber is visually recognized and which is provided on a side wall forming the liquid accommodating chamber, a partition wall that partitions the liquid accommodating chamber into a pouring port side liquid accommodating chamber into which the liquid is poured through the pouring port and a visual recognition portion side liquid accommodating chamber including the visual recognition portion in a direction intersecting a gravity direction, and a liquid communication portion which is provided between the partition wall and a bottom wall forming the liquid accommodating chamber and through which the pouring port side liquid accommodating chamber and the visual recognition portion side liquid accommodating chamber communicate with
    Type: Application
    Filed: August 7, 2017
    Publication date: March 1, 2018
    Inventors: Tomoki SHINODA, Takeshi IWAMURO, Takanori SEKI, Hitotoshi KIMURA
  • Publication number: 20170355200
    Abstract: An inkset for ink jet textile printing includes a first ink having a pigment and a resin; and a second ink having a pigment, a resin, and an emulsifier, in which the emulsifier includes at least one kind selected from an anionic emulsifier represented by the following general formula (1) and a nonionic emulsifier represented by the following general formula (2), whose HLB value is 12 or more, R1—O—(CH2—CH2—O)n-A ??(1), and R2—O—(CH2—CH2—O)m—H ??(2).
    Type: Application
    Filed: August 7, 2017
    Publication date: December 14, 2017
    Applicant: Seiko Epson Corporation
    Inventors: Masakazu Ohashi, Toru Saito, Tomoki Shinoda
  • Publication number: 20170226359
    Abstract: An ink jet recording method includes first attaching an ink composition to fabric so as to have an attached amount of 10 mg/inch2 to 30 mg/inch2, and second attaching the ink composition to the fabric so as to have an attached amount of 90 mg/inch2 to 250 mg/inch2, in which the ink composition includes a pigment and a resin dispersion, and a content of a resin included in the resin dispersion is 0.5 parts by mass to 2.5 parts by mass with respect to 1 part by mass of the pigment.
    Type: Application
    Filed: April 27, 2017
    Publication date: August 10, 2017
    Inventors: Masakazu OHASHI, Toru SAITO, Tomoki SHINODA
  • Patent number: 9724937
    Abstract: An inkset for ink jet textile printing includes a first ink having a pigment and a resin; and a second ink having a pigment, a resin, and an emulsifier, in which the emulsifier includes at least one kind selected from an anionic emulsifier represented by the following general formula (1) and a nonionic emulsifier represented by the following general formula (2), whose HLB value is 12 or more, R1—O—(CH2—CH2—O)n-A??(1), and R2—O—(CH2—CH2—O)m—H??(2).
    Type: Grant
    Filed: January 24, 2014
    Date of Patent: August 8, 2017
    Assignee: Seiko Epson Corporation
    Inventors: Masakazu Ohashi, Toru Saito, Tomoki Shinoda
  • Patent number: 9676191
    Abstract: An ink jet recording method is provided in which an ink jet head having a first nozzle array and a second nozzle array which is arranged along the first nozzle array, in which the distance between the first nozzle array and the second nozzle array is 15 mm or greater and a nozzle density of the first nozzle array and a nozzle density of the second nozzle array are 600 dpi or greater is used, and while varying the relative position of the ink jet head in a direction intersecting an array direction of the first nozzle array and the second nozzle array with respect to a recording medium, an ink composition is adhered to the recording medium by performing a scanning which discharges the ink composition at a frequency of 12 kHz or greater from nozzles in the first nozzle array and the second nozzle array.
    Type: Grant
    Filed: May 27, 2016
    Date of Patent: June 13, 2017
    Assignee: Seiko Epson Corporation
    Inventors: Masakazu Ohashi, Toru Saito, Tomoki Shinoda, Masashi Kamibayashi, Yoshihiro Watanabe
  • Patent number: 9663672
    Abstract: An ink jet recording method includes first attaching an ink composition to fabric so as to have an attached amount of 10 mg/inch2 to 30 mg/inch2, and second attaching the ink composition to the fabric so as to have an attached amount of 90 mg/inch2 to 250 mg/inch2, in which the ink composition includes a pigment and a resin dispersion, and a content of a resin included in the resin dispersion is 0.5 parts by mass to 2.5 parts by mass with respect to 1 part by mass of the pigment.
    Type: Grant
    Filed: October 29, 2014
    Date of Patent: May 30, 2017
    Assignee: Seiko Epson Corporation
    Inventors: Masakazu Ohashi, Toru Saito, Tomoki Shinoda