Patents by Inventor Kazuto Aoki
Kazuto Aoki 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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Publication number: 20260184087Abstract: An ink jet recording method according to an embodiment of the present disclosure includes an acidic reactive liquid application step of applying an acidic reactive liquid containing an acid and water to a fabric using an ink jet method, an anionic clear ink application step of applying an anionic clear ink composition containing a first anionic resin particle and water to the fabric using the ink jet method, an anionic colored ink application step of applying an anionic colored ink composition containing a pigment, a second anionic resin particle, and water to a region to which the clear ink composition is applied, using the ink jet method, and an anionic solution application step of applying an anionic aqueous alkaline solution having a pH greater than 8.0 to a region to which the colored ink composition is applied.Type: ApplicationFiled: December 23, 2025Publication date: July 2, 2026Inventors: Kazuto AOKI, Naoki YOKOYAMA, Akiko YAMADA
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Patent number: 12637804Abstract: An ink jet recording method according to an embodiment of the present disclosure includes a reaction liquid attachment step of attaching a reaction liquid to a fabric and an ink attachment step of attaching a white ink composition to the fabric with the attached reaction liquid, wherein the reaction liquid contains one or more selected from a polyvalent metal salt, a cationic polymer, and an organic acid as an aggregation agent, the white ink composition contains one or both of a white pigment and a resin particle, the reaction liquid attachment step and the ink attachment step are performed by an ink jet method, the ink jet method performs main scanning a plurality of times, the main scanning performing recording by moving an ink jet head in a direction perpendicular to a transport direction of the fabric, the reaction liquid and the white ink composition are attached to the same scanning region of the fabric by the same main scanning, the same main scanning is performed a plurality of times with respect toType: GrantFiled: January 9, 2024Date of Patent: May 26, 2026Assignee: SEIKO EPSON CORPORATIONInventors: Kazuto Aoki, Haruka Sato
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Patent number: 12528957Abstract: A white ink jet ink composition according to the present disclosure includes hollow resin particles, resin particles, and water. The hollow resin particles have a glass transition temperature of 120° C. or more, the resin particles are composed of an acrylic resin or a urethane resin, and the content of the resin particles is 5% by mass or more relative to the total mass of the ink composition.Type: GrantFiled: March 29, 2022Date of Patent: January 20, 2026Assignee: SEIKO EPSON CORPORATIONInventors: Ryota Miyasa, Kazuto Aoki
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Publication number: 20250121611Abstract: An ink jet textile printing method according to one embodiment of the present disclosure includes a reaction solution attaching step of attaching a reaction solution containing an aggregating agent that aggregates components in an ink, and water to a fabric using an ink jet method, a transparent ink attaching step of attaching a transparent ink composition containing anionic resin particles and water to a fabric using the ink jet method, and a colored ink attaching step of attaching a colored ink composition containing a pigment, resin particles, and water onto a region, to which the transparent ink composition is attached, using the ink jet method, in which the reaction solution attaching step and the transparent ink attaching step include Step 1, and in Step 1, a range of a minimum value of a total attachment amount of the reaction solution and the transparent ink composition per unit area/per unit time is 34 mg/(s·inch2) or more, Step 1: applying the reaction solution and the transparent ink composition toType: ApplicationFiled: October 16, 2024Publication date: April 17, 2025Inventors: Kazuto AOKI, Naoki YOKOYAMA, Seiichi MATSUSHIMA
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Publication number: 20240229350Abstract: An ink jet recording method according to an embodiment of the present disclosure includes a reaction liquid attachment step of attaching a reaction liquid to a fabric and an ink attachment step of attaching a white ink composition to the fabric with the attached reaction liquid, wherein the reaction liquid contains one or more selected from a polyvalent metal salt, a cationic polymer, and an organic acid as an aggregation agent, the white ink composition contains one or both of a white pigment and a resin particle, the reaction liquid attachment step and the ink attachment step are performed by an ink jet method, the ink jet method performs main scanning a plurality of times, the main scanning performing recording by moving an ink jet head in a direction perpendicular to a transport direction of the fabric, the reaction liquid and the white ink composition are attached to the same scanning region of the fabric by the same main scanning, the same main scanning is performed a plurality of times with respect toType: ApplicationFiled: January 9, 2024Publication date: July 11, 2024Inventors: Kazuto AOKI, Haruka SATO
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Patent number: 11932039Abstract: A pretreatment device includes: a medium support portion configured to support a medium that is transported; a pretreatment-agent ejecting portion configured to eject a pretreatment agent; an absorbing-member support portion configured to support an absorbing member between the medium and the pretreatment-agent ejecting portion in a direction in which the pretreatment agent is ejected, the absorbing member being configured to absorb the pretreatment agent ejected from the pretreatment-agent ejecting portion; and a pressing unit configured to press, toward the medium, the absorbing member to which the pretreatment agent is ejected from the pretreatment-agent ejecting portion.Type: GrantFiled: February 22, 2022Date of Patent: March 19, 2024Assignee: Seiko Epson CorporationInventors: Masato Murayama, Kazuto Aoki
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Patent number: 11898043Abstract: An ink jet ink composition set includes a white ink jet ink composition and a nonwhite ink jet ink composition. The white ink jet ink composition contains a white pigment, resin particles, and water, and the nonwhite ink jet ink composition contains a nonwhite pigment, resin particles, and water. The white pigment has cation responsiveness, and the absolute value of zeta potential of the white pigment is lower than the absolute value of zeta potential of the nonwhite pigment.Type: GrantFiled: August 30, 2021Date of Patent: February 13, 2024Inventors: Kazuto Aoki, Ryota Miyasa, Hideki Okada, Masakazu Ohashi
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Publication number: 20230167323Abstract: A non-white textile printing ink jet ink composition according to the present disclosure contains a pigment, a resin particle, an acetylene-based surfactant having an HLB value of 6 or more and 10 or less, and water, wherein a content of the acetylene-based surfactant is 0.5% by mass or more and 2.0% by mass or less relative to a total amount of the ink composition, and the ink composition is used for a fabric having water absorbency evaluated using a method described below is 1 or more, method: a test fabric cut into 2 cm square is mounted on a water surface in a glass bottle which has a volume of 50 mL and in which 30 mL of pure water is introduced so that a height from a bottom to the water surface is 4 cm, a fabric surface being set to be parallel to the water surface, and a time elapsed from the fabric being mounted until a portion of the fabric reaching the bottom of the glass bottle is denoted as water absorbency in seconds.Type: ApplicationFiled: November 29, 2022Publication date: June 1, 2023Inventors: Kazuto AOKI, Shugo HATTORI, Haruka SATO, Masakazu OHASHI
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Publication number: 20220325119Abstract: A white ink jet ink composition according to the present disclosure includes hollow resin particles, resin particles, and water. The hollow resin particles have a glass transition temperature of 120° C. or more, the resin particles are composed of an acrylic resin or a urethane resin, and the content of the resin particles is 5% by mass or more relative to the total mass of the ink composition.Type: ApplicationFiled: March 29, 2022Publication date: October 13, 2022Inventors: Ryota MIYASA, Kazuto AOKI
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Publication number: 20220315781Abstract: A white ink jet ink composition including hollow resin particles, resin particles, and water, in which a glass transition temperature of the hollow resin particles is 120° C. or higher, and a glass transition temperature of the resin particles is 5° C. or lower.Type: ApplicationFiled: March 28, 2022Publication date: October 6, 2022Inventors: Kazuto AOKI, Ryota MIYASA
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Publication number: 20220266616Abstract: A pretreatment device includes: a medium support portion configured to support a medium that is transported; a pretreatment-agent ejecting portion configured to eject a pretreatment agent; an absorbing-member support portion configured to support an absorbing member between the medium and the pretreatment-agent ejecting portion in a direction in which the pretreatment agent is ejected, the absorbing member being configured to absorb the pretreatment agent ejected from the pretreatment-agent ejecting portion; and a pressing unit configured to press, toward the medium, the absorbing member to which the pretreatment agent is ejected from the pretreatment-agent ejecting portion.Type: ApplicationFiled: February 22, 2022Publication date: August 25, 2022Inventors: Masato MURAYAMA, Kazuto AOKI
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Publication number: 20220064465Abstract: An ink jet ink composition set includes a white ink jet ink composition and a nonwhite ink jet ink composition. The white ink jet ink composition contains a white pigment, resin particles, and water, and the nonwhite ink jet ink composition contains a nonwhite pigment, resin particles, and water. The white pigment has cation responsiveness, and the absolute value of zeta potential of the white pigment is lower than the absolute value of zeta potential of the nonwhite pigment.Type: ApplicationFiled: August 30, 2021Publication date: March 3, 2022Inventors: Kazuto AOKI, Ryota MIYASA, Hideki OKADA, Masakazu OHASHI
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Patent number: 8156442Abstract: A system and method that includes capturing content active in a device, identifying at least one target device to which the captured content is to be uploaded, and automatically uploading the content to the at least one other target device if a content sharing module in the device is active.Type: GrantFiled: June 30, 2008Date of Patent: April 10, 2012Assignee: Nokia CorporationInventors: Kazuto Aoki, Michael Line, Petri Heinonen, Petteri Kettunen, Eriko Wanibe
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Publication number: 20090327885Abstract: A system and method that includes capturing content active in a device, identifying at least one target device to which the captured content is to be uploaded, and automatically uploading the content to the at least one other target device if a content sharing module in the device is active.Type: ApplicationFiled: June 30, 2008Publication date: December 31, 2009Applicant: NOKIA CORPORATIONInventors: Kazuto Aoki, Michael Line, Petri Heinonen, Petteri Kettunen, Eriko Wanibe