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1. 发明授权

US07883199B2 Ink set, ink cartridge set, ink jet recording method, recording unit, and ink jet recording apparatus 有权
标题翻译：油墨组，墨盒组，喷墨记录方法，记录单元和喷墨记录装置
公开(公告)号：US07883199B2
公开(公告)日：2011-02-08
申请号：US11860160
申请日：2007-09-24
申请人： Shinichi Hakamada , Tetsu Iwata , Takashi Imai , Fumiaki Fujioka
发明人： Shinichi Hakamada , Tetsu Iwata , Takashi Imai , Fumiaki Fujioka
IPC分类号： G01D11/00
CPC分类号： B41J2/1752 , B41J2/17503 , B41J2/17513 , B41J2/17553 , B41J29/02 , C09D11/40
摘要： An ink set is provided which can prevent the occurrence of a new color mixing phenomenon in which a different ink comes into the insides of particular ink channels. The ink set is constituted of plurality of inks. The plurality of inks constituting the ink set is stored respectively in ink cartridges each having an ink storage portion which is brought into a hermetically-closed state. The difference in specific gravity between a first ink having the largest specific gravity and a second ink having the smallest specific gravity among the inks constituting the ink set is less than 0.020.
摘要翻译：提供一种油墨组，其可以防止发生不同的油墨进入特定油墨通道的内部的新的混色现象。油墨组由多种油墨组成。构成墨水组的多个墨水分别存储在各自具有进入密闭状态的墨水储存部的墨盒中。构成油墨组的油墨中，比重最大的第一油墨与比重最小的第二油墨之间的比重差小于0.020。

2. 发明申请

US20080252708A1 INK SET, INK CARTRIDGE SET, INK JET RECORDING METHOD, RECORDING UNIT, AND INK JET RECORDING APPARATUS 有权
标题翻译：墨盒，墨盒，墨水记录方法，记录单元和墨水记录装置
公开(公告)号：US20080252708A1
公开(公告)日：2008-10-16
申请号：US11860160
申请日：2007-09-24
申请人： Shinichi Hakamada , Tetsu Iwata , Takashi Imai , Fumiaki Fujioka
发明人： Shinichi Hakamada , Tetsu Iwata , Takashi Imai , Fumiaki Fujioka
IPC分类号： B41J2/17 , B41J2/175
CPC分类号： B41J2/1752 , B41J2/17503 , B41J2/17513 , B41J2/17553 , B41J29/02 , C09D11/40
摘要： An ink set is provided which can prevent the occurrence of a new color mixing phenomenon in which a different ink comes into the insides of particular ink channels. The ink set is constituted of plurality of inks. The plurality of inks constituting the ink set is stored respectively in ink cartridges each having an ink storage portion which is brought into a hermetically-closed state. The difference in specific gravity between a first ink having the largest specific gravity and a second ink having the smallest specific gravity among the inks constituting the ink set is less than 0.020.
摘要翻译：提供一种油墨组，其可以防止发生不同的油墨进入特定油墨通道的内部的新的混色现象。油墨组由多种油墨组成。构成墨水组的多个墨水分别存储在各自具有进入密闭状态的墨水储存部的墨盒中。构成油墨组的油墨中，比重最大的第一油墨与比重最小的第二油墨之间的比重差小于0.020。

3. 发明申请

US20080136875A1 RECORDING HEAD, RECORDING UNIT, INK JET RECORDING APPARATUS, INK JET RECORDING METHOD, AND INK SET 有权
标题翻译：记录头，记录单元，墨水记录装置，墨水记录方法和墨盒
公开(公告)号：US20080136875A1
公开(公告)日：2008-06-12
申请号：US11860172
申请日：2007-09-24
申请人： Tetsu Iwata , Fumiaki Fujioka , Shinichi Hakamada , Takashi Imai
发明人： Tetsu Iwata , Fumiaki Fujioka , Shinichi Hakamada , Takashi Imai
IPC分类号： B41J2/175 , B41J2/17
CPC分类号： B41J2/2107 , C09D11/30
摘要： A recording head and a recording unit are provided achieving both the reliability of ejection stability and storage stability and the prevention of a new color mixing phenomenon. The recording head has ejection orifice lines each of which ejects each of the inks constituting an ink set. The plurality of inks is stored respectively in ink cartridges each having an ink storage portion being brought into a hermetically-closed state. At least three types of inks among the inks are different in specific gravity from one another, and at least two types of inks among the at least three types of inks are different in specific gravity by 0.020 or more. The ejection orifice lines are arranged so that the total sum of differences in specific gravities between the inks to be ejected from ejection orifice lines adjacent to each other among the inks to be ejected from the ejection orifice lines becomes minimal.
摘要翻译：提供了记录头和记录单元，其实现了喷射稳定性和储存稳定性的可靠性以及防止新的混色现象。记录头具有喷射孔线，每个排出口排出构成油墨组的每个油墨。多个墨水分别存储在各自具有墨水储存部分进入气密封闭状态的墨盒中。油墨中至少有三种类型的油墨在比重上彼此不同，并且至少三种类型的油墨中的至少两种类型的油墨在比重上不同，为0.020以上。喷射孔线被布置成使得从喷射孔线喷射的油墨中彼此相邻的喷射孔管线喷射的油墨之间的比重差的总和变得最小。

4. 发明授权

US07909448B2 Recording head, recording unit, ink jet recording apparatus, ink jet recording method, and ink set 有权
标题翻译：记录头，记录单元，喷墨记录装置，喷墨记录方法和油墨组
公开(公告)号：US07909448B2
公开(公告)日：2011-03-22
申请号：US11860172
申请日：2007-09-24
申请人： Tetsu Iwata , Fumiaki Fujioka , Shinichi Hakamada , Takashi Imai
发明人： Tetsu Iwata , Fumiaki Fujioka , Shinichi Hakamada , Takashi Imai
IPC分类号： G01D11/00
CPC分类号： B41J2/2107 , C09D11/30
摘要： A recording head and a recording unit are provided achieving both the reliability of ejection stability and storage stability and the prevention of a new color mixing phenomenon. The recording head has ejection orifice lines each of which ejects each of the inks constituting an ink set. The plurality of inks is stored respectively in ink cartridges each having an ink storage portion being brought into a hermetically-closed state. At least three types of inks among the inks are different in specific gravity from one another, and at least two types of inks among the at least three types of inks are different in specific gravity by 0.020 or more. The ejection orifice lines are arranged so that the total sum of differences in specific gravities between the inks to be ejected from ejection orifice lines adjacent to each other among the inks to be ejected from the ejection orifice lines becomes minimal.
摘要翻译：提供了记录头和记录单元，其实现了喷射稳定性和储存稳定性的可靠性以及防止新的混色现象。记录头具有喷射孔线，每个排出口排出构成油墨组的每个油墨。多个墨水分别存储在各自具有墨水储存部分进入气密封闭状态的墨盒中。油墨中至少有三种类型的油墨在比重上彼此不同，并且至少三种类型的油墨中的至少两种类型的油墨在比重上不同，为0.020以上。喷射孔线被布置成使得从喷射孔线喷射的油墨中彼此相邻的喷射孔管线喷射的油墨之间的比重差的总和变得最小。

5. 发明授权

US07377631B2 Aqueous ink, set of reaction liquid and aqueous ink, and image forming method 有权
标题翻译：水性油墨，反应液和水性油墨组，以及成像方法
公开(公告)号：US07377631B2
公开(公告)日：2008-05-27
申请号：US11224993
申请日：2005-09-14
申请人： Yoichi Takada , Junichi Sakai , Fumiaki Fujioka , Yasuhiro Nito , Masashi Tsujimura , Takashi Imai , Shinichi Hakamada , Sadayuki Sugama , Shinya Mishina
发明人： Yoichi Takada , Junichi Sakai , Fumiaki Fujioka , Yasuhiro Nito , Masashi Tsujimura , Takashi Imai , Shinichi Hakamada , Sadayuki Sugama , Shinya Mishina
IPC分类号： C09D11/00
CPC分类号： C09D11/30 , C09D11/54
摘要： An aqueous ink, by which stable ink-jet recording can be conducted irrespective of printing environment, a substantially even image having abrasion resistance can be formed, no image soiling is caused even upon double-side printing, and a high-quality image improved in unclearness at a contour portion of the image and free from occurrence of color bleed can be provided, is provided. The aqueous ink is an aqueous ink used in a system that a reaction liquid containing at least a polyvalent metal and an aqueous ink containing at least a pigment dispersion, in which a pigment is dispersed with an anionic polymer dispersant, are used to form an image, wherein the aqueous ink satisfies specific condition.
摘要翻译：一种水性油墨，不管打印环境如何，均可进行稳定的喷墨记录，可以形成具有耐磨性的基本上均匀的图像，即使双面打印也不会引起图像污染，并且高质量的图像改善可以提供图像的轮廓部分的不清楚并且不会发生颜色渗色。水性油墨是在使用至少含有多价金属的反应液和至少含有颜料用阴离子聚合物分散剂分散的颜料分散体的水性油墨的系统中使用的水性油墨，以形成图像其中，所述水性油墨满足特定条件。

6. 发明申请

US20060007288A1 Aqueous ink, set of reaction liquid and aqueous ink, and image forming method 有权
标题翻译：水性油墨，反应液和水性油墨组，以及成像方法
公开(公告)号：US20060007288A1
公开(公告)日：2006-01-12
申请号：US11224993
申请日：2005-09-14
申请人： Yoichi Takada , Junichi Sakai , Fumiaki Fujioka , Yasuhiro Nito , Masashi Tsujimura , Takashi Imai , Shinichi Hakamada , Sadayuki Sugama , Shinya Mishina
发明人： Yoichi Takada , Junichi Sakai , Fumiaki Fujioka , Yasuhiro Nito , Masashi Tsujimura , Takashi Imai , Shinichi Hakamada , Sadayuki Sugama , Shinya Mishina
IPC分类号： C09D11/00 , G01D11/00
CPC分类号： C09D11/30 , C09D11/54
摘要： An aqueous ink, by which stable ink-jet recording can be conducted irrespective of printing environment, a substantially even image having abrasion resistance can be formed, no image soiling is caused even upon double-side printing, and a high-quality image improved in unclearness at a contour portion of the image and free from occurrence of color bleed can be provided, is provided. The aqueous ink is an aqueous ink used in a system that a reaction liquid containing at least a polyvalent metal and an aqueous ink containing at least a pigment dispersion, in which a pigment is dispersed with an anionic polymer dispersant, are used to form an image, wherein the aqueous ink satisfies specific condition.
摘要翻译：一种水性油墨，不管打印环境如何，均可进行稳定的喷墨记录，可以形成具有耐磨性的基本上均匀的图像，即使双面打印也不会引起图像污染，并且高质量的图像改善可以提供图像的轮廓部分的不清楚并且不会发生颜色渗色。水性油墨是在使用至少含有多价金属的反应液和至少含有颜料用阴离子聚合物分散剂分散的颜料分散体的水性油墨的系统中使用的水性油墨，以形成图像其中，所述水性油墨满足特定条件。

7. 发明授权

US07276112B2 Aqueous ink, ink-jet recording method, ink cartridge, recording unit, ink-jet recording apparatus and image forming method 有权
标题翻译：水性墨水，喷墨记录方法，墨盒，记录单元，喷墨记录装置和图像形成方法
公开(公告)号：US07276112B2
公开(公告)日：2007-10-02
申请号：US11313785
申请日：2005-12-22
申请人： Yui Tokuda , Mikio Sanada , Yoshihisa Takizawa , Masashi Ogasawara , Tomonari Watanabe , Takashi Imai , Yasuhiro Nito , Tetsu Iwata , Shinichi Hakamada , Sadayuki Sugama
发明人： Yui Tokuda , Mikio Sanada , Yoshihisa Takizawa , Masashi Ogasawara , Tomonari Watanabe , Takashi Imai , Yasuhiro Nito , Tetsu Iwata , Shinichi Hakamada , Sadayuki Sugama
IPC分类号： C09D11/02
CPC分类号： C09D11/326
摘要： Disclosed is an aqueous ink comprising at least water, a plurality of water-soluble organic solvents and a coloring material. The coloring material is a pigment, and, it contains a pigment particle having at least one ionic group bonded to a surface of the pigment particle directly or via another atomic group. The plurality of water-soluble organic solvents have a good medium or good mediums for the pigment and a poor medium or poor mediums for the pigment. The poor medium does not solvate perfectly or substantially the pigment. The ionic group undergoes perfectly or substantially no ionic dissociation in the poor medium. Also, among the respective Ka values of the plurality of water-soluble organic solvents as determined by the Bristow method, the Ka value of the poor medium is maximum.
摘要翻译：公开了至少包含水，多种水溶性有机溶剂和着色材料的水性油墨。着色材料是颜料，并且其包含具有至少一个离子基团的颜料颗粒，其直接或通过另一原子团与颜料颗粒的表面键合。多种水溶性有机溶剂对于颜料具有良好的介质或良好的介质，并且颜料的介质或不良介质差。不良介质不能完全或溶剂化颜料。离子基团在不良培养基中完全或基本上不发生离子解离。此外，在通过Bristow法测定的多种水溶性有机溶剂的各Ka值中，不良介质的Ka值最大。

8. 发明授权

US07402200B2 Aqueous ink, ink set, and image-forming method 有权
标题翻译：水性油墨，油墨组合和成像方法
公开(公告)号：US07402200B2
公开(公告)日：2008-07-22
申请号：US11313670
申请日：2005-12-22
申请人： Takashi Imai , Mikio Sanada , Yasuhiro Nito , Tetsu Iwata , Shinichi Hakamada , Sadayuki Sugama , Hideki Takayama
发明人： Takashi Imai , Mikio Sanada , Yasuhiro Nito , Tetsu Iwata , Shinichi Hakamada , Sadayuki Sugama , Hideki Takayama
IPC分类号： C09D11/02
CPC分类号： C09D11/40 , C09D11/54
摘要： The present invention aims to provide an ink which has a sufficiently large area factor even in a small ink droplet quantity and can obtain images having a high image density, and further has a superior storage stability. According to the present invention, a cyan ink is provided which is used in an ink set having four kinds of aqueous inks consisting of a cyan ink, a magenta ink, a yellow ink and a black ink in which each ink comprises at least water, a water-insoluble coloring material, and a plurality of water-soluble organic solvents having a good medium or good mediums for the water-insoluble coloring material and a poor medium or poor mediums for the water-insoluble coloring material, wherein, the ratio B1/A1 is from 0.5 or more to 3.0 or less, where A1 denotes the total content (mass %) of the good medium based on the total mass of the cyan ink and B1 denotes the total content (mass %) of the poor medium based on the total mass of the cyan ink, and a water-soluble organic solvent which shows the maximum Ka value among the respective Ka values of the plurality of water-soluble organic solvents as determined by the Bristow method is the poor medium.
摘要翻译：本发明的目的在于提供即使在小的墨滴量中也具有足够大的面积因数并且可以获得具有高图像密度的图像的墨水，并且还具有优良的储存稳定性。根据本发明，提供一种青色墨水，其用于具有四种由青色墨水，品红色墨水，黄色墨水和黑色墨水组成的水性墨水的墨水组合，其中每种墨水至少包含水，水不溶性着色材料和多种水溶性着色材料介质或介质良好的水溶性有机溶剂和水不溶性着色材料的不良介质或不良介质，其中B比 1 1 <1 为0.5以上至3.0以下，其中，A 1表示良好介质的总含量（质量％）基于青色墨水的总质量，B＆lt; 1＆lt; 1＆gt;表示基于青色墨水的总质量的不良介质的总含量（质量％）和表示通过Bristow法测定的多种水溶性有机溶剂的各Ka值中的最大Ka值是不良介质。

9. 发明申请

US20060098068A1 Aqueous ink, aqueous ink set, ink cartridge, ink-jet recording apparatus, ink-jet recording method, and image-forming method 审中-公开
标题翻译：水性油墨，水性油墨组，墨盒，喷墨记录装置，喷墨记录方法和图像形成方法
公开(公告)号：US20060098068A1
公开(公告)日：2006-05-11
申请号：US11313689
申请日：2005-12-22
申请人： Shinichi Hakamada , Takashi Imai , Mikio Sanada , Yasuhiro Nito , Tetsu Iwata , Sadayuki Sugama
发明人： Shinichi Hakamada , Takashi Imai , Mikio Sanada , Yasuhiro Nito , Tetsu Iwata , Sadayuki Sugama
IPC分类号： G01D11/00 , C09D11/02 , C09D11/00
CPC分类号： C09D11/40 , C09D11/54
摘要： An aqueous ink comprises water, a water-insoluble coloring material, and plurality of water-soluble organic solvents and the plurality of water-soluble organic solvents including a good medium or good mediums for the water-insoluble coloring material and a poor medium or poor mediums for the water-insoluble coloring material. The ratio of the content of the poor medium and the content of the good medium is in a specific range. A water-soluble organic solvent showing the maximum Ka value out of respective Ka values of the plurality of water-soluble organic solvents is the poor medium. When the aqueous ink is in contact with a specific reaction liquid, the dissolution state or dispersed state of the water-insoluble coloring material in the ink is made unstable. As a result, an image which has a sufficiently large area factor even with a small amount of ink droplets and is excellent in image density, bleeding resistance, and fixability can be obtained. In addition, the aqueous ink is excellent in storage stability.
摘要翻译：水性油墨包括水，水不溶性着色材料和多种水溶性有机溶剂，以及多种水溶性有机溶剂，包括用于水不溶性着色材料的良好介质或良好介质和不良介质或差介质为水不溶性着色材料。不良介质的含量与良好介质的含量的比例在特定范围内。在多种水溶性有机溶剂的各Ka值中显示出最大Ka值的水溶性有机溶剂是不良介质。当水性油墨与特定的反应液体接触时，水不溶性着色材料在油墨中的溶解状态或分散状态变得不稳定。结果，可以获得即使具有少量墨滴也具有足够大的面积因子并且图像密度，耐渗色性和定影性优异的图像。此外，水性油墨的保存稳定性优异。

10. 发明授权

US08016406B2 Aqueous ink, aqueous ink set, ink cartridge, ink-jet recording apparatus, ink-jet recording method, and image-forming method 有权
标题翻译：水性油墨，水性油墨组，墨盒，喷墨记录装置，喷墨记录方法和图像形成方法
公开(公告)号：US08016406B2
公开(公告)日：2011-09-13
申请号：US12576823
申请日：2009-10-09
申请人： Shinichi Hakamada , Takashi Imai , Mikio Sanada , Yasuhiro Nito , Tetsu Iwata , Sadayuki Sugama
发明人： Shinichi Hakamada , Takashi Imai , Mikio Sanada , Yasuhiro Nito , Tetsu Iwata , Sadayuki Sugama
IPC分类号： G01D11/00
CPC分类号： C09D11/40 , C09D11/54
摘要： An aqueous ink comprises water, a water-insoluble coloring material, and plurality of water-soluble organic solvents and the plurality of water-soluble organic solvents including a good medium or good mediums for the water-insoluble coloring material and a poor medium or poor mediums for the water-insoluble coloring material. The ratio of the content of the poor medium and the content of the good medium is in a specific range. A water-soluble organic solvent showing the maximum Ka value out of respective Ka values of the plurality of water-soluble organic solvents is the poor medium. When the aqueous ink is in contact with a specific reaction liquid, the dissolution state or dispersed state of the water-insoluble coloring material in the ink is made unstable. As a result, an image which has a sufficiently large area factor even with a small amount of ink droplets and is excellent in image density, bleeding resistance, and fixability can be obtained. In addition, the aqueous ink is excellent in storage stability.
摘要翻译：水性油墨包括水，水不溶性着色材料和多种水溶性有机溶剂，以及多种水溶性有机溶剂，包括用于水不溶性着色材料的良好介质或良好介质和不良介质或差介质为水不溶性着色材料。不良介质的含量与良好介质的含量的比例在特定范围内。在多种水溶性有机溶剂的各Ka值中显示出最大Ka值的水溶性有机溶剂是不良介质。当水性油墨与特定的反应液体接触时，水不溶性着色材料在油墨中的溶解状态或分散状态变得不稳定。结果，可以获得即使具有少量墨滴也具有足够大的面积因子并且图像密度，耐渗色性和定影性优异的图像。此外，水性油墨的保存稳定性优异。

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