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21. 发明专利

JP2010106141A Ink set for inkjet recording, ink cartridge, inkjet recording method and inkjet recording device 有权
标题翻译：用于喷墨记录的墨盒，墨盒，喷墨记录方法和喷墨记录装置
公开(公告)号：JP2010106141A
公开(公告)日：2010-05-13
申请号：JP2008279323
申请日：2008-10-30
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： YOKOHAMA YUKI , GOTO AKIHIKO , KOJIMA MARIKO , HABASHI HISAFUMI
IPC分类号： B41J2/01 , B41M5/00 , C09D11/00 , C09D11/322 , C09D11/324 , C09D11/326 , C09D11/38
CPC分类号： C09D11/38 , C09D11/322
摘要： PROBLEM TO BE SOLVED: To provide an ink set for inkjet recording with excellent ejection stability with reduced ink mist generation without damaging image quality, an ink cartridge using the ink set for recording, an inkjet recording method, and an inkjet recording device. SOLUTION: The ink set for inkjet recording including a plurality of ink of different colors at least contains a coloring agent, a water-soluble organic solvent, a fluorosurfactant, and water, wherein at 25°C, a viscosity difference among the respective ink at a shear rate of 230 (1/s) is 2.0 (mPa s) or less, and the viscosity difference among the respective inks at a shear rate of 100,000 (1/s) is 0.5 (mPa s) or less. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有优异的喷墨稳定性的喷墨记录用油墨组，并且在不损害图像质量的情况下减少墨雾产生，使用记录用油墨组的墨盒，喷墨记录方法和喷墨记录装置。解决方案：包括多种不同颜色的油墨的喷墨记录用油墨组合物至少含有着色剂，水溶性有机溶剂，含氟表面活性剂和水，其中在25℃下，剪切速度为230（1 / s）的各墨水为2.0（mPa·s）以下，剪切速度为100,000（1 / s）的各墨水之间的粘度差为0.5（mPa·s）以下。版权所有（C）2010，JPO＆INPIT

22. 发明专利

JP2009166387A Image formation method and image formation recorded matter 审中-公开
标题翻译：图像形成方法和图像形成记录事项
公开(公告)号：JP2009166387A
公开(公告)日：2009-07-30
申请号：JP2008008023
申请日：2008-01-17
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： GOTO HIROSHI , HABASHI HISAFUMI , NAGAI KIYOFUMI
IPC分类号： B41M5/00 , B41J2/01
CPC分类号： B41M5/0017 , B41J2/2107 , B41J11/0015 , B41M5/0011 , B41M5/0035 , C09D11/005 , C09D11/322 , C09D11/54
摘要： PROBLEM TO BE SOLVED: To provide an image formation method which enables image formation on a regular paper surface not having a coating layer by a preparatory treatment and ink-jet recording ink, and which is thereby excellent in ink image quality (image concentration, chroma saturation, collar bleed, character bleeding, and white dots) and excellent in smear fixing in an image section, and to provide an image formation recorded matter. SOLUTION: The image formation method includes: the application process which applies a preparatory treatment liquid at least containing a cation high-molecular weight compound, a surfactant (A), and water on a regular paper surface not having coating layer; and the image formation process which discharges an ink-jet recording ink at least containing a coloring agent dispersed in water, a water soluble organic solvent, a surfactant (B), a penetrating agent, and water as a principal component as a liquid droplet following an image signal, makes the inkjet recording ink adhere to recording material which has been applied by the preparatory treatment liquid, and forms image, wherein the preparatory treatment liquid contains a water soluble organic acid and has 20 to 30 mN/m of static surface tension. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够通过预处理和喷墨记录油墨在不具有涂层的普通纸张表面上形成图像的图像形成方法，从而油墨图像质量优异（图像浓度，色度饱和度，衣领渗血，字符渗色和白点），以及在图像部分中的涂片固定性优异，并提供图像形成记录物质。图像形成方法包括：在不具有涂层的普通纸表面上施加至少含有阳离子高分子化合物，表面活性剂（A）和水的预备处理液的涂布方法; 以及图像形成处理，其将至少含有分散在水中的着色剂，水溶性有机溶剂，表面活性剂（B），渗透剂和水作为主要成分的喷墨记录油墨排出，作为液滴跟随图像信号使得喷墨记录油墨粘附到由预处理液体施加的记录材料上，并形成图像，其中预处理液含有水溶性有机酸，并具有20至30mN / m的静态表面张力。版权所有（C）2009，JPO＆INPIT

23. 发明专利

JP2009078539A Liquid ejection head unit and image forming apparatus 有权
标题翻译：液体喷射头单元和图像形成装置
公开(公告)号：JP2009078539A
公开(公告)日：2009-04-16
申请号：JP2008157808
申请日：2008-06-17
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： HABASHI HISAFUMI
IPC分类号： B41J2/01
摘要： PROBLEM TO BE SOLVED: To solve the problem that liquid droplets ejected from heads cannot be detected, with a simple configuration without moving a line-type head and interfering with head capping. SOLUTION: The head unit 11 includes the plurality of heads 101 and a liquid droplet detection device 324 that detects liquid droplets ejected from each of the heads 101. The liquid droplet detection device 324 includes LD arrays 170 that are provided at one side surface in the longitudinal direction of the head unit 11 and serve to emit light beams; photo diodes 168 that are provided at the other side surface in the longitudinal direction of the head unit 11 and serve to receive the light beams emitted from the LD arrays 170; and a light path forming means that causes the light beams emitted from the LD arrays 170 to pass through along a head surface 100A as detection light beams 218 from the outer side of an area capped by a cap 151 of a maintenance and recovery mechanism 12 of the image forming apparatus and that forms an optical path 159 on which the emitted light beams are made incident on at the outer side of the capped area. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：解决问题：为了解决从头部喷出的液滴不能被检测到的问题，以简单的结构，不移动线型头并干扰头盖。头部单元11包括多个头101和液滴检测装置324，其检测从每个头101喷出的液滴。液滴检测装置324包括设置在一侧的LD阵列170 在头单元11的纵向方向上的表面，并用于发射光束; 光电二极管168，其设置在头单元11的纵向的另一侧表面，并用于接收从LD阵列170发射的光束; 以及光路形成装置，其使得从LD阵列170发射的光束沿着头表面100A作为检测光束218从由维护和恢复机构12的盖151的盖的外侧进入并且形成发射光束的光路159入射在封盖区域的外侧。版权所有（C）2009，JPO＆INPIT

24. 发明专利

JP2017088710A インクセット、インクカートリッジ、インクジェット記録方法、及びインクジェット記録装置审中-公开
公开(公告)号：JP2017088710A
公开(公告)日：2017-05-25
申请号：JP2015218825
申请日：2015-11-06
申请人：株式会社リコー , Ricoh Co Ltd
发明人： HABASHI HISAFUMI
IPC分类号： C09D11/40 , B41J2/01 , B41M5/00
CPC分类号： C09D11/40 , C09D11/328
摘要：【課題】インクジェット方式による双方向記録に用いても、往走査記録及び復走査記録で得られる画像における色差が小さいインクセットの提供。【解決手段】色材、有機溶剤、及び水を含有するインクを少なくとも2種有するインクセットであって、すべての前記インク中の前記有機溶剤の含有量が、30質量%以上であり、薄層クロマトグラフィを用いて、前記インク中の前記有機溶剤を展開溶媒として前記色材を展開して求められる、すべての前記インク中の前記色材の相対移動度の最大値と最小値との相対移動度差(相対移動度の最大値−相対移動度の最小値)が、0.1以上であるインクセットである。【選択図】なし

25. 发明专利

JP2014162863A Ink for inkjet recording, and inkjet recording device 审中-公开
标题翻译：喷墨记录墨水和喷墨记录装置
公开(公告)号：JP2014162863A
公开(公告)日：2014-09-08
申请号：JP2013035765
申请日：2013-02-26
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KOYANO MASAYUKI , HABASHI HISAFUMI , OKADA TAKASHI , INOUE TOMOHIRO
IPC分类号： C09D11/00 , B41J2/01 , B41M5/00
摘要： PROBLEM TO BE SOLVED: To provide an ink for inkjet recording.SOLUTION: Provided is an ink for inkjet recording characterized in that, in an ink containing: a colorant; water; and a water-soluble solvent, the colorant includes C.I.Acid Orange 33, when being developed by liquid chromatography, having at least two peaks, and in which the ratio of the second peak area S2 with low polarity to the first peak area S1 with high polarity, S2/S1 being below 0.90.
摘要翻译：要解决的问题：提供用于喷墨记录的墨水。解决方案：提供一种喷墨记录用油墨，其特征在于，在含有着色剂的油墨中，水; 和水溶性溶剂，着色剂包括CIAcid Orange 33，当通过液相色谱显色时，具有至少两个峰，并且其中具有低极性的第二峰面积S2与第一峰面积S1的比率高极性，S2 / S1低于0.90。

26. 发明专利

JP2013129085A Preprocessing liquid 有权
标题翻译：预处理液体
公开(公告)号：JP2013129085A
公开(公告)日：2013-07-04
申请号：JP2011278845
申请日：2011-12-20
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： HABASHI HISAFUMI
IPC分类号： B41M5/00 , B41J2/01
摘要： PROBLEM TO BE SOLVED: To provide a preprocessing liquid used for inkjet recording in which problems such as coagulation of hydrosoluble polyallylamine and a metal corrosion caused by halogen ion in a conventional technique are solved.SOLUTION: The preprocessing liquid used for the inkjet recording at least includes: cationic polymer mainly including at least diallylamine organic acid salt and (meth)acrylic acid amide; a water-soluble organic solvent; and water.
摘要翻译：要解决的问题：提供一种用于喷墨记录的预处理液，其中解决了常规技术中诸如水溶性聚烯丙胺的凝结和卤素离子引起的金属腐蚀等问题。解决方案：用于喷墨记录的预处理液至少包括：主要包括至少二烯丙基胺有机酸盐和（甲基）丙烯酸酰胺的阳离子聚合物; 水溶性有机溶剂; 和水。

27. 发明专利

JP2011062872A Inkjet recording method 有权
标题翻译：喷墨记录方法
公开(公告)号：JP2011062872A
公开(公告)日：2011-03-31
申请号：JP2009214304
申请日：2009-09-16
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： HABASHI HISAFUMI
IPC分类号： B41M5/00 , B41J2/01 , C09D11/00 , C09D11/322 , C09D11/328
摘要： PROBLEM TO BE SOLVED: To provide a recording method by which the cost increase is suppressed by reducing the effect of the mixture of ink color which is caused in the replacement of inspection ink with practical use ink to reduce the quantity of the waste liquid in the replacement.
SOLUTION: After first ink using a pH sensitive dye exhibiting a deep color in acidic pH and a light color in basic pH as a color agent is filled in an inkjet head to carry out printing for inspection in the acidic pH, a second ink having a basic pH is filled into the inkjet head where the first ink remains to carry out printing in the basic pH. The effect of the mixture of the color of the first ink with the second ink is suppressed by filling the first ink into the inkjet head and printing in the acidic pH to inspect the inkjet head and after that, filling the basic second ink in the inkjet head.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种记录方法，通过减少在实际使用墨水中更换检查油墨时引起的油墨颜色混合物的影响来抑制成本增加，从而减少废物的数量液体在更换。解决方案：在酸性pH值显示深色的pH敏感染料和作为着色剂的碱性pH值浅的第一墨水填充到喷墨头中以在酸性pH下进行印刷以进行检查，第二次具有碱性pH的墨水被填充到喷墨头中，其中第一墨水保持在碱性pH下进行印刷。通过将第一墨水填充到喷墨头中并在酸性pH下进行印刷以检查喷墨头来抑制第一墨水的颜色与第二墨水的混合的影响，然后在喷墨头中填充碱性第二墨水头。版权所有（C）2011，JPO＆INPIT

28. 发明专利

JP2009051146A Inkjet head, inkjet device and ink for inkjet head 有权
标题翻译： INKJET HEAD，INKJET DEVICE AND INK FOR INKJET HEAD
公开(公告)号：JP2009051146A
公开(公告)日：2009-03-12
申请号：JP2007221732
申请日：2007-08-28
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： HABASHI HISAFUMI
IPC分类号： B41J2/05 , B41J2/01 , B41J2/14 , B41J2/145 , B41J2/155 , B41M5/00 , C09D11/00 , C09D11/322
摘要： PROBLEM TO BE SOLVED: To provide an inkjet head of a thermal head, an inkjet device and ink for inkjet, having high reliability, and allowing a discharge of the high solid content ink including a hardly soluble color material, a resin component or the like as a colloid particle. SOLUTION: This inkjet head has: pressurizing liquid chambers 47 making the ink flow-in; heating elements 46 each equipped inside the pressurizing liquid chamber, each heating the ink inside the pressurizing liquid chamber to boiling; charge electrodes 65 each for forming an electric field in the ink; and counter electrodes each pairing with the charge electrode. A potential application means applying potential wherein polarity of the charge electrode becomes negative to the charge electrode when zeta potential of the ink is negative to the inkjet head making the ink be discharged from a nozzle by pressure of bubbles generated by the heating boiling, and applying potential wherein the polarity of the charge electrode becomes positive when the zeta potential of the ink is positive to the charge electrode is provided inside the pressurizing liquid chamber, the heating element is carried with electricity after moving the colloid particles away from a drive element surface, to generate the bubbles. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：解决问题：为了提供热敏头的喷墨头，喷墨装置和用于喷墨的油墨，具有高可靠性，并且允许包含难溶的着色材料的高固含量油墨的排出，树脂组分或类似物作为胶体颗粒。解决方案：该喷墨头具有使墨水流入的加压液体室47; 加热元件46各自配置在加压液体室内部，每个加热液体室内的墨水沸腾; 每个用于在油墨中形成电场的充电电极65; 和与电荷电极配对的对电极。潜在的应用意味着施加电位，其中当墨水的ζ电位对喷墨头是负的时，充电电极的极性变为负极，使得通过加热沸腾产生的气泡的压力使墨水从喷嘴排出，并施加在加压液体室的内侧设置有使电极的极性在充电电极的正电位时充电电极的极性为正的电位，在使胶体粒子从驱动元件表面移开之后，加热元件被携带，产生气泡。版权所有（C）2009，JPO＆INPIT

29. 发明专利

JP2008179056A Image forming device 有权
标题翻译：图像形成装置
公开(公告)号：JP2008179056A
公开(公告)日：2008-08-07
申请号：JP2007014185
申请日：2007-01-24
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： HABASHI HISAFUMI
IPC分类号： B41J2/18 , B41J2/165 , B41J2/185
CPC分类号： B41J2/16585 , B41J2/16579 , B41J2/2146
摘要： PROBLEM TO BE SOLVED: To solve the problem that discharge defect condition occurs because the waste liquid wiped out from discharge defect nozzles comes into nozzles of a head with normal discharge condition in an overlapping position when wiping an elongate head constituted by lining a plurality of liquid discharge head. SOLUTION: The liquid is discharged in a first discharge mode discharging the liquid in a first discharge quantity with a relative large discharge quantity in the discharge defect heads by driving a suction pump 202 with the plurality of heads 101A to 101L constituting the head unit 11 capped with the cap members 211 of a capping means 201, thereafter the liquid is discharged in a second discharge mode discharging the liquid in a second discharge quantity, with a discharge quantity smaller than the first discharge quantity on all the heads 101A to 101L of the head unit 11, when carrying out maintenance operation restoring the nozzle 102 to the head 101 of the head unit 11. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题为了解决由排出缺陷喷嘴擦除的废液在擦拭由衬里构成的细长头部时的重叠位置处于正常排出状态的头部的喷嘴中，以解决出现排出缺陷状况的问题多个排液头。解决方案：液体以第一放电模式排出，通过驱动具有构成头部的多个头101A至101L的抽吸泵202，以排出缺陷头中的相对大的排出量排出液体单元11用封盖装置201的盖构件211封盖，然后以第二放电模式排出液体，以第二排出量排出液体，其排放量小于所有头101A至101L上的第一排出量在执行将喷嘴102恢复到头单元11的头部101的维护操作时。头版单元11（C）2008，JPO＆INPIT

30. 发明专利

JP2007084807A Recording ink, ink cartridge, ink recorded matter, inkjet recording apparatus and inkjet recording method 有权
标题翻译：记录墨盒，墨盒，墨盒记录件，喷墨记录装置和喷墨记录方法
公开(公告)号：JP2007084807A
公开(公告)日：2007-04-05
申请号：JP2006226097
申请日：2006-08-23
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： HABASHI HISAFUMI , NANBA MICHIHIKO , KOJIMA MARIKO , GOTO AKIHIKO , ARIGA TAMOTSU , NAGAI KIYOFUMI
IPC分类号： B41J2/01 , B41M5/00 , B41M5/50 , B41M5/52 , C09D11/00 , C09D11/322 , C09D11/326 , C09D11/38
摘要： PROBLEM TO BE SOLVED: To provide recording ink having high color-development, picture quality and reliability and suitable for inkjet recording, and an ink cartridge, ink recorded matter, inkjet recording apparatus and inkjet recording method to use the recording ink. SOLUTION: The recording ink at least contains a coloring agent, a water-dispersible resin, a wetting agent, a surfactant and water. The total solid content of the coloring agent and the water-dispersible resin in the recording ink is 10-30 mass%, the ratio of the solid content (B) of the coloring agent in the recording ink to the solid content (C) of the water-dispersible resin in the recording ink (B/C) is 0.1-1.6, the viscosity of the recording ink is 5-20 mPa s at 25°C, and the surface tension of the recording ink is ≤35 mN/m. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供具有高显色性，图像质量和可靠性并且适于喷墨记录的记录油墨，以及使用记录油墨的墨盒，墨记录物，喷墨记录装置和喷墨记录方法。解决方案：记录油墨至少含有着色剂，水分散性树脂，润湿剂，表面活性剂和水。记录油墨中着色剂和水分散性树脂的总固体成分为10〜30质量％，记录油墨中着色剂的固体成分（B）与固体成分（C）的比例记录油墨（B / C）中的水分散性树脂为0.1-1.6，记录油墨在25℃下的粘度为5-20mPa·s，记录油墨的表面张力≤35mN/ m 。版权所有（C）2007，JPO＆INPIT

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