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公开(公告)号：US20150054883A1
公开(公告)日：2015-02-26
申请号：US14327724
申请日：2014-07-10
Applicant: Seiko Epson Corporation
Inventor： Ippei OKUDA , Tetsuya AOYAMA
IPC: C09D11/40
CPC classification number: C09D11/40 , C09D11/322 , C09D11/54
Abstract: An ink set includes a reaction liquid containing coagulant; a first ink containing a color material; and a second ink containing a color material. The ink set is used for recording on a non-absorptive recording medium or a low-absorptive recording medium and for imparting the reaction liquid, the first ink, and the second ink to the recording medium in a superimposed manner in this order.
Abstract translation: 油墨组包括含有凝结剂的反应液; 含有着色材料的第一油墨; 和含有着色材料的第二墨。 油墨组用于在非吸收性记录介质或低吸收性记录介质上进行记录，并且以依次叠加的方式将反应液，第一油墨和第二油墨赋予记录媒体。
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42.发明申请公开(公告)号：US20130201260A1
公开(公告)日：2013-08-08
申请号：US13754302
申请日：2013-01-30
Applicant: SEIKO EPSON CORPORATION
Inventor： Katsuko AOKI , Tsuyoshi SANO , Yuji AOKI , Ippei OKUDA , Shoki KASAHARA
CPC classification number: B41J2/175 , B41J2/17503 , B41J2/2103 , B65D25/14 , C09D11/322 , C09D11/40
Abstract: A liquid container detachably mounted on a liquid consuming apparatus includes: a liquid including dispersed particles and a solvent in which the dispersed particles are dispersed; and an accommodation bag accommodating the liquid and provided with a discharge portion discharging the liquid, in which a ratio of a volume of the liquid with respect to a capacity of the accommodation bag when the accommodation bag is used from an initial period of filling is 95% or less.
Abstract translation: 可拆卸地安装在液体消耗装置上的液体容器包括：包含分散颗粒的液体和分散颗粒分散在其中的溶剂; 以及容纳液体的容纳袋，并且设置有排出液体的排出部，其中当从初始填充时期起使用所述容纳袋时所述液体相对于所述容纳袋的容积的比例为95 ％ 或更少。
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公开(公告)号：US20130108842A1
公开(公告)日：2013-05-02
申请号：US13665088
申请日：2012-10-31
Applicant: Seiko Epson Corporation
Inventor： Shohei SHIONO , Ippei OKUDA , Shoki KASAHARA
CPC classification number: B41M5/0064 , B41M5/0023 , B41M5/0047 , B41M5/0058 , B41M5/007 , C09D11/322 , C09D11/38
Abstract: With a white image where the dryness factor is 40% to 80%, since drying has appropriately progressed, it becomes difficult for the white image and color ink to mix, and in addition, it is possible to suppress wetting and spreading of the color ink when a color image is recorded using an ink jet method with color ink which contains a colorant. Accordingly, it is possible to obtain an ink jet recording method where deterioration in image quality is suppressed.
Abstract translation: 对于干燥度为40％至80％的白色图像，由于干燥已经适当地进行，白色图像和彩色墨水变得难以混合，并且还可以抑制彩色墨水的润湿和扩散 当使用含有着色剂的彩色墨水的喷墨方法记录彩色图像时。 因此，可以获得抑制图像质量劣化的喷墨记录方法。
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公开(公告)号：US20220315786A1
公开(公告)日：2022-10-06
申请号：US17705692
申请日：2022-03-28
Applicant: Seiko Epson Corporation
Inventor： Yuta ASAKAWA , Ippei OKUDA , Mitsuaki KOSAKA
IPC: C09D11/40 , C09D11/54 , C09D11/38 , C09D11/322 , C09D11/033 , C09D11/037 , C09D11/107 , B41M7/00 , B41M5/00
Abstract: An ink set includes a treatment liquid containing an aggregating agent and an ink composition, and the ink composition is a water-based ink containing a pigment dispersed by a pigment dispersant or a self-dispersible pigment; a water-dispersible resin; and a maleic acid-based resin which is a water-soluble resin.
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公开(公告)号：US20220098428A1
公开(公告)日：2022-03-31
申请号：US17488394
申请日：2021-09-29
Applicant: Seiko Epson Corporation
Inventor： Yuta ASAKAWA , Ippei OKUDA , Mitsuaki KOSAKA
IPC: C09D11/36 , C09D11/322 , C09D11/54
Abstract: An ink composition is used for recording on a low-absorbing recording medium or a non-absorbing recording medium and is an aqueous ink jet ink containing a pigment, and the ink composition includes 1.2 to 2.9 percent by mass of an amine with respect to a total mass of the ink composition, and an organic solvent other than an amine. The organic solvent includes an organic solvent having a standard boiling point of 150° C. to 250° C. in an amount of 5 to 30 percent by mass with respect to the total mass of the ink composition, and the organic solvent having a standard boiling point of 150° C. to 250° C. includes a diol having a water mixture viscosity of 3.0 mPa·s or more.
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Patent Agency Ranking
公开(公告)号：US20210062027A1
公开(公告)日：2021-03-04
申请号：US17002057
申请日：2020-08-25
Applicant: Seiko Epson Corporation
Inventor： Tadashi WATANABE , Ippei OKUDA
IPC: C09D11/40 , C09D11/54 , C09D11/322 , C09D11/102 , B41M5/00 , B41M7/00
Abstract: An ink set to be used for printing poorly absorbent or non-absorbent printing media includes an aqueous non-white ink composition containing a non-white pigment, an aqueous white ink composition containing a white pigment, and a treatment liquid containing a flocculant and an alkanolamine.
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公开(公告)号：US20210031552A1
公开(公告)日：2021-02-04
申请号：US16944590
申请日：2020-07-31
Applicant: Seiko Epson Corporation
Inventor： Ippei OKUDA , Tadashi WATANABE
Abstract: Provided is an ink jet recording method using an ink jet recording apparatus having an ink jet head, the method including: a colored ink adhesion step of discharging an aqueous colored ink composition containing a coloring material from an ink jet head to adhere to a recording medium; and a clear ink adhesion step of discharging an aqueous clear ink composition from an ink jet head to adhere to the recording medium, in which the aqueous clear ink composition contains wax particles, the ink jet recording apparatus has a circulation path for circulating the aqueous clear ink composition, and in the clear ink adhesion step, the aqueous clear ink composition circulated in the circulation path is discharged.
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公开(公告)号：US20200094583A1
公开(公告)日：2020-03-26
申请号：US16576877
申请日：2019-09-20
Applicant: Seiko Epson Corporation
Inventor： Yuta ASAKAWA , Akira MIZUTANI , Akiko MATSUZAKI , Ippei OKUDA
Abstract: An ink jet recording method includes an ink attachment step of discharging an aqueous white color ink containing a white color material from an ink jet head onto a recording medium having a white color recording surface with glossiness of 30 or less at an L* value of 75 or more, and attaching the aqueous white color ink onto the recording medium, and a drying step of drying the recording medium onto which the aqueous white color ink is attached, in which a ratio of glossiness of an attachment portion of the aqueous white color ink to the white color recording surface after the drying is two times or more.
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公开(公告)号：US20200087527A1
公开(公告)日：2020-03-19
申请号：US16574428
申请日：2019-09-18
Applicant: Seiko Epson Corporation
Inventor： Ippei OKUDA
IPC: C09D11/322 , C09D11/38 , B41J2/21
Abstract: A printing method includes a white ink application step of ejecting a white ink from a printing head to apply the white ink onto a printing medium, a non-white ink application step of ejecting a non-white ink containing a non-white coloring material from a printing head to apply the non-white ink onto the printing medium, and a treatment liquid application step of applying a treatment liquid containing a flocculant onto the printing medium. The white ink contains a white pigment and inorganic fine particles having a smaller volume average particle size than the white pigment.
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公开(公告)号：US20190210380A1
公开(公告)日：2019-07-11
申请号：US16357655
申请日：2019-03-19
Applicant: Seiko Epson Corporation
Inventor： Ippei OKUDA , Mitsuaki KOSAKA
CPC classification number: B41J11/0015 , B41M5/0017
Abstract: A recording method is provided including: discharging and adhering a reaction liquid to an ink non-absorbable or ink low-absorbable recording medium in a form of a droplet, by using an ink jet method, the reaction liquid containing a reagent for aggregating or thickening of a colored ink composition; and adhering a colored ink composition to the recording medium to which the reaction liquid has adhered. The recording medium is heated before adhering the colored ink composition to the recording medium, a period from when adhering of the reaction liquid is ended until adhering of the colored ink composition is started is within 30 seconds, and a surface temperature of the recording medium from the adhering of the reaction liquid to the adhering of the colored ink composition is equal to or lower than 38° C.
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