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).
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Patent number: 11807010Abstract: 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: GrantFiled: March 1, 2023Date of Patent: November 7, 2023Assignee: Seiko Epson CorporationInventors: Tomoki Shinoda, Takeshi Iwamuro, Hitotoshi Kimura
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Publication number: 20230264476Abstract: 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: ApplicationFiled: February 21, 2023Publication date: August 24, 2023Inventors: Ken INOUE, Tomoki SHINODA, Shunsuke KURAMATA, Masaaki ANDO
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Publication number: 20230202179Abstract: 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: ApplicationFiled: March 1, 2023Publication date: June 29, 2023Inventors: Tomoki SHINODA, Takeshi IWAMURO, Hitotoshi KIMURA
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Patent number: 11618260Abstract: 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: GrantFiled: July 13, 2021Date of Patent: April 4, 2023Assignee: Seiko Epson CorporationInventors: Tomoki Shinoda, Takeshi Iwamuro, Hitotoshi Kimura
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Publication number: 20220212467Abstract: 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: ApplicationFiled: January 3, 2022Publication date: July 7, 2022Inventors: Tomoki SHINODA, Chikashi NAKAMURA, Takeshi IWAMURO, Yu TSUMURAYA
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Patent number: 11230115Abstract: 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: GrantFiled: July 2, 2020Date of Patent: January 25, 2022Assignee: Seiko Epson CorporationInventors: Tomoki Shinoda, Takeshi Iwamuro, Hitotoshi Kimura
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Publication number: 20220016888Abstract: 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: ApplicationFiled: July 13, 2021Publication date: January 20, 2022Inventors: Tomoki SHINODA, Takeshi IWAMURO, Hitotoshi KIMURA
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Publication number: 20210001631Abstract: 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: ApplicationFiled: July 2, 2020Publication date: January 7, 2021Inventors: Tomoki SHINODA, Takeshi IWAMURO, Hitotoshi KIMURA
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Patent number: 10654289Abstract: 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: GrantFiled: August 7, 2017Date of Patent: May 19, 2020Assignee: Seiko Epson CorporationInventors: Masakazu Ohashi, Toru Saito, Tomoki Shinoda
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Patent number: 10562315Abstract: 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: GrantFiled: June 13, 2018Date of Patent: February 18, 2020Assignee: Seiko Epson CorporationInventors: Tomoki Shinoda, Takeshi Iwamuro, Toshihiro Shinbara
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Patent number: 10179863Abstract: 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: GrantFiled: April 27, 2017Date of Patent: January 15, 2019Assignee: Seiko Epson CorporationInventors: Masakazu Ohashi, Toru Saito, Tomoki Shinoda
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Patent number: 10166780Abstract: 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 withType: GrantFiled: August 7, 2017Date of Patent: January 1, 2019Assignee: Seiko Epson CorporationInventors: Tomoki Shinoda, Takeshi Iwamuro, Takanori Seki, Hitotoshi Kimura
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Publication number: 20180361751Abstract: 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: ApplicationFiled: June 13, 2018Publication date: December 20, 2018Inventors: Tomoki SHINODA, Takeshi IWAMURO, Toshihiro SHINBARA
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Patent number: 9950540Abstract: 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: GrantFiled: March 10, 2016Date of Patent: April 24, 2018Assignee: Seiko Epson CorporationInventors: Toru Saito, Tomoki Shinoda, Masakazu Ohashi, Masashi Kamibayashi, Yoshihiro Watanabe
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Publication number: 20180056662Abstract: 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 withType: ApplicationFiled: August 7, 2017Publication date: March 1, 2018Inventors: Tomoki SHINODA, Takeshi IWAMURO, Takanori SEKI, Hitotoshi KIMURA
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Publication number: 20170355200Abstract: 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: ApplicationFiled: August 7, 2017Publication date: December 14, 2017Applicant: Seiko Epson CorporationInventors: Masakazu Ohashi, Toru Saito, Tomoki Shinoda
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Publication number: 20170226359Abstract: 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: ApplicationFiled: April 27, 2017Publication date: August 10, 2017Inventors: Masakazu OHASHI, Toru SAITO, Tomoki SHINODA
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Patent number: 9724937Abstract: 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: GrantFiled: January 24, 2014Date of Patent: August 8, 2017Assignee: Seiko Epson CorporationInventors: Masakazu Ohashi, Toru Saito, Tomoki Shinoda
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Patent number: 9676191Abstract: 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: GrantFiled: May 27, 2016Date of Patent: June 13, 2017Assignee: Seiko Epson CorporationInventors: Masakazu Ohashi, Toru Saito, Tomoki Shinoda, Masashi Kamibayashi, Yoshihiro Watanabe
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Patent number: 9663672Abstract: 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: GrantFiled: October 29, 2014Date of Patent: May 30, 2017Assignee: Seiko Epson CorporationInventors: Masakazu Ohashi, Toru Saito, Tomoki Shinoda