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1. 发明申请

US20100261112A1 TONER, METHOD FOR FORMING IMAGE, AND IMAGE FORMING APPARATUS 审中-公开
标题翻译：调色剂，形成图像的方法和图像形成装置
公开(公告)号：US20100261112A1
公开(公告)日：2010-10-14
申请号：US12759517
申请日：2010-04-13
申请人： Tomohiro ARUGA , Yoichi YAMADA , Daisuke MATSUMOTO
发明人： Tomohiro ARUGA , Yoichi YAMADA , Daisuke MATSUMOTO
IPC分类号： G03G9/00 , G03G15/08
CPC分类号： G03G9/09708 , G03G9/0804 , G03G9/09716 , G03G9/09725 , G03G2215/0614
摘要： A toner includes toner base particles containing at least a binder resin, a coloring agent, and a release agent and having a volume-average particle size of 2 to 6 μm; at least two types of silica each having a different average particle size; at least one type of electron-conductive oxide semiconductor fine particles selected from titania, transition alumina, zinc oxide, and tin oxide; and at least one type of ion-conductive oxide semiconductor fine particles selected from cerium oxide and stabilized zirconia.
摘要翻译：调色剂包括至少含有粘合剂树脂，着色剂和脱模剂的调色剂基础颗粒，体积平均粒径为2至6μm; 至少两种具有不同平均粒度的二氧化硅; 选自二氧化钛，过渡氧化铝，氧化锌和氧化锡中的至少一种电子传导性氧化物半导体微粒; 以及选自氧化铈和稳定化氧化锆中的至少一种离子导电氧化物半导体微粒。

2. 发明申请

US20100261111A1 TONER, IMAGE FORMING METHOD AND IMAGE FORMING APPARATUS 审中-公开
标题翻译：调色剂，图像形成方法和图像形成装置
公开(公告)号：US20100261111A1
公开(公告)日：2010-10-14
申请号：US12759448
申请日：2010-04-13
申请人： Tomohiro ARUGA , Hideki OKADA , Yoichi YAMADA , Daisuke MATSUMOTO
发明人： Tomohiro ARUGA , Hideki OKADA , Yoichi YAMADA , Daisuke MATSUMOTO
IPC分类号： G03G9/00 , G03G15/08
CPC分类号： G03G9/0819 , G03G9/0806 , G03G9/09708 , G03G2215/0614
摘要： A toner includes at least a binder resin, a colorant, and a release agent. The toner contains base toner particles having an average volume particle size of 2 μm to 6 μm, small particle silica having an average volume particle size of 7 nm to 15 nm, large particle silica having an average volume particle size of 50 nm to 400 nm, small particle transition alumina having an average volume particle size of 7 nm to 20 nm, and large particle α-type alumina having an average volume particle size of 50 nm to 400 nm or large particle cerium oxide having an average volume particle size of 50 nm to 400 nm.
摘要翻译：调色剂至少包括粘合剂树脂，着色剂和脱模剂。该调色剂含有平均体积粒径为2μm〜6μm的平均体积粒径为7nm〜15nm的小粒子二氧化硅，平均体积粒径为50nm〜400nm的大粒子二氧化硅，平均体积粒径为7nm〜20nm的小粒子转移型氧化铝，平均体积粒径为50nm〜400nm的大型α型氧化铝或平均体积粒径为50μm的大颗粒氧化铈 nm至400nm。

3. 发明申请

US20100239328A1 DEVELOPING APPARATUS, IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND TONER 有权
标题翻译：开发设备，图像形成设备，图像形成方法和调色剂
公开(公告)号：US20100239328A1
公开(公告)日：2010-09-23
申请号：US12722338
申请日：2010-03-11
申请人： Yoichi YAMADA , Tomohiro ARUGA , Daisuke MATSUMOTO , Yoshio NAKAZAWA
发明人： Yoichi YAMADA , Tomohiro ARUGA , Daisuke MATSUMOTO , Yoshio NAKAZAWA
IPC分类号： G03G15/08 , G03G9/00
CPC分类号： G03G15/0812 , G03G9/09708 , G03G9/09716 , G03G9/09725 , G03G2215/0177
摘要： A developing apparatus includes: a housing which contains toner; a toner supporting roller; and a regulating blade, wherein bias voltage is applied to the regulating blade, the toner includes, an insulating external additive and an electrically-conductive external additive, satisfies any of the following first to third conditions, the first condition: a volume average grain diameter of the electrically-conductive external additive is larger than a volume average grain diameter of the insulating external additive, the second condition: a volume average grain diameter of the electrically-conductive external additive is larger than a volume average grain diameter of the insulating external additive in which coverage in the toner is higher than that of the electrically-conductive external additive, and the third condition: coverage of the electrically-conductive external additive in the toner is higher than coverage of the insulating external additive that is larger in volume average grain diameter than the electrically-conductive external additive.
摘要翻译：显影装置包括：容纳调色剂的壳体; 调色剂支撑辊; 以及调节叶片，其中偏置电压施加到调节叶片，调色剂包括绝缘外部添加剂和导电外部添加剂，满足以下第一至第三条件中的任何一个，第一条件：体积平均粒径导电性外部添加剂的体积平均粒径大于绝缘性外部添加剂的体积平均粒径，第二条件：导电性外部添加剂的体积平均粒径大于绝缘性外部添加剂的体积平均粒径其中调色剂中的覆盖率高于导电外部添加剂的覆盖率，第三条件是：调色剂中的导电外部添加剂的覆盖率高于体积平均颗粒中较大的绝缘外部添加剂的覆盖直径比导电外添加剂。

4. 发明申请

US20090185838A1 Method of Manufacturing Toner Carrier Roller, Developer Apparatus, and Image Forming Apparatus 有权
标题翻译：制造调色剂载体辊，显影装置和成像装置的方法
公开(公告)号：US20090185838A1
公开(公告)日：2009-07-23
申请号：US12354600
申请日：2009-01-15
申请人： Tomohiro ARUGA , Masahiro MAEDA
发明人： Tomohiro ARUGA , Masahiro MAEDA
IPC分类号： G03G15/08 , B21D53/00
CPC分类号： G03G15/0818 , Y10T29/49544
摘要： A method of manufacturing a toner carrier roller that is shaped like a cylinder on an outer circumferential surface of which concave and convex sections for carrying toner are provided, includes: preparing a roller base member which is shaped like a cylinder; forming helix-like first grooves on the outer circumferential surface of the roller base member; and forming helix-like second grooves, which cross the first grooves, on the outer circumferential surface of the roller base member, wherein a pitch ratio of the first grooves and the second grooves is a non-integer ratio.
摘要翻译：一种制造调色剂承载辊的方法，该调色剂承载辊在其外圆周表面上形成为具有用于承载调色剂的凹凸部分的圆筒，包括：制备成形为圆筒的辊基部件; 在辊基体的外周面上形成螺旋状的第一槽; 以及在所述辊基体的外周面上形成与所述第一槽交叉的螺旋状的第二槽，所述第一槽与所述第二槽的间距比为非整数比。

5. 发明申请

US20090185819A1 Developing Device, an Image Forming Apparatus and an Image Forming Method 有权
标题翻译：显影装置，图像形成装置和图像形成方法
公开(公告)号：US20090185819A1
公开(公告)日：2009-07-23
申请号：US12353090
申请日：2009-01-13
申请人： Tomohiro ARUGA , Masahiro MAEDA
发明人： Tomohiro ARUGA , Masahiro MAEDA
IPC分类号： G03G15/08
CPC分类号： G03G15/0818 , G03G15/0817
摘要： A developing device, includes: a housing that stores toner inside; a toner carrier roller that is shaped approximately like a cylinder, is mounted to the housing rotatably about a rotational axis, rotates while carrying the toner on a surface thereof to convey the toner to outside of the housing, and is provided, on the surface thereof, with a plurality of convex sections which are regularly arranged and a concave section which surrounds the convex sections, the convex sections including top surfaces that coincide with a part of a curved surface of single cylinder and have electrical conductivity; and a seal member that is arranged in abutting contact with the surface of the toner carrier roller moving from the outside the housing toward the inside the housing at a position downstream of the opposed position in a rotation direction of the toner carrier roller to prevent toner leakage from the housing, a contact surface of the seal member being made of a material located at a position to charge the toner with a polarity opposite to its charging polarity in triboelectric series.
摘要翻译：一种显影装置，包括：在其中存储调色剂的壳体; 成形为大致像圆筒的调色剂承载辊以旋转轴为中心可旋转地安装在壳体上，同时在其表面上承载调色剂的同时旋转以将调色剂输送到壳体的外部，并且在其表面上设置具有规则排列的多个凸部和围绕所述凸部的凹部，所述凸部包括与单筒的曲面的一部分重合并具有导电性的顶面; 以及密封构件，所述密封构件布置成与所述调色剂承载辊的表面邻接，所述表面在所述调色剂承载辊的旋转方向上在相对位置的下游位置处从所述壳体的外部移动到所述壳体的内部，以防止调色剂泄漏所述密封构件的接触表面由位于使所述调色剂以摩擦系列与其充电极性相反极性的位置的材料制成。

6. 发明授权

US07565099B2 Developing device and image forming apparatus having a toner-particle bearing roller with a helical groove portion 有权
标题翻译：显影装置和图像形成装置具有带有螺旋槽部分的调色剂 - 颗粒承载辊
公开(公告)号：US07565099B2
公开(公告)日：2009-07-21
申请号：US11554460
申请日：2006-10-30
申请人： Yoichi Yamada , Tomohiro Aruga , Noboru Sakurai , Masanao Kunugi , Katsumi Okamoto , Hiroshi Kato
发明人： Yoichi Yamada , Tomohiro Aruga , Noboru Sakurai , Masanao Kunugi , Katsumi Okamoto , Hiroshi Kato
IPC分类号： G03G15/08
CPC分类号： G03G15/0818 , G03G2215/0602 , G03G2215/0634
摘要： A developing device includes a container that contains toner particles that are for developing a latent image borne by an image bearing body, and a toner-particle bearing roller that has a helical groove portion on a surface thereof that is for bearing the toner particles, the helical groove portion having an inclination with respect to an axial direction and a circumferential direction of the toner-particle bearing roller and being formed having a uniform pitch in the axial direction.
摘要翻译：显影装置包括容纳有用于显影由图像承载体承载的潜像的调色剂颗粒的容器和在其表面上具有用于承载调色剂颗粒的螺旋槽部分的调色剂 - 颗粒承载辊，螺旋槽部分具有相对于调色剂 - 颗粒承载辊的轴向方向和圆周方向的倾斜并且在轴向上具有均匀的间距。

7. 发明授权

US07555252B2 Image forming apparatus that prevents conspicuous unevenness in image density 有权
标题翻译：防止图像浓度显着不均匀的图像形成装置
公开(公告)号：US07555252B2
公开(公告)日：2009-06-30
申请号：US11623669
申请日：2007-01-16
申请人： Tomohiro Aruga , Yoichi Yamada , Noboru Sakurai , Takatomo Fukumoto
发明人： Tomohiro Aruga , Yoichi Yamada , Noboru Sakurai , Takatomo Fukumoto
IPC分类号： G03G15/08
CPC分类号： G03G15/0818
摘要： An image forming apparatus includes: an image bearing body that is rotatable about a central axis thereof, and that bears a dot-like latent image, on a surface of the image bearing body, in each of a plurality of divided regions that are arranged in rows along a direction that intersects an axial direction of the central axis at a predetermined intersection angle; and a developer bearing roller that is rotatable in order to make visible, as a developer image, the dot-like latent images borne by the image bearing body, using a developer borne on a surface of the developer bearing roller, the developer bearing roller opposing the image bearing body such that an axial direction of the developer bearing roller is parallel to the axial direction of the image bearing body, and that includes a helical groove portion on the surface of the developer bearing roller, the helical groove portion being inclined at a predetermined inclination angle with respect to the axial direction of the developer bearing roller and being formed having a uniform pitch in the axial direction, wherein a value that is a tangent of the inclination angle divided by a ratio of a moving speed of the surface of the developer bearing roller to a moving speed of the surface of the image bearing body is different from a tangent of the intersection angle.
摘要翻译：图像形成装置包括：图像承载体，其能够围绕其中心轴线旋转并且在图像承载体的表面上具有点状潜像，所述图像承载体分布在多个分割区域中沿着与中心轴的轴向相交的方向以预定的交叉角度排列; 以及显影剂承载辊，其可旋转以使作为显影剂图像可见的由图像承载体承载的点状潜像，使用承载在显影剂承载辊的表面上的显影剂，显影剂承载辊相对于所述图像承载体使得所述显影剂承载辊的轴向平行于所述图像承载体的轴向方向，并且所述图像承载体在所述显影剂承载辊的表面上包括螺旋槽部分，所述螺旋槽部分倾斜于相对于显影剂承载辊的轴向的预定倾斜角度并且在轴向方向上具有均匀的间距，其中，倾斜角的切线值除以所述倾斜角度的表面的移动速度的比率显影轴承辊与图像承载体的表面的移动速度不同于交叉角的切线。

8. 发明申请

US20070147906A1 Developing Agent Carrier Manufacturing Method, Developing Agent Carrier, Developing Device and Image Forming Apparatus 有权
标题翻译：开发代理承运人制造方法，开发代理承运人，开发装置和图像形成装置
公开(公告)号：US20070147906A1
公开(公告)日：2007-06-28
申请号：US11561213
申请日：2006-11-17
申请人： Noboru SAKURAI , Yoichi YAMADA , Junichi NAKAHARA , Masanao KUNUGI , Tomohiro ARUGA , Katsumi OKAMOTO
发明人： Noboru SAKURAI , Yoichi YAMADA , Junichi NAKAHARA , Masanao KUNUGI , Tomohiro ARUGA , Katsumi OKAMOTO
IPC分类号： G03G15/08
CPC分类号： G03G15/0813 , G03G2215/0634 , Y10T29/49556 , Y10T29/4956 , Y10T29/49561
摘要： A method for manufacturing a developing agent carrier of a hollow or solid cylindrical shape having an outer peripheral surface and an irregularity section formed on the outer peripheral surface to carry a developing agent is provided. The method comprises a step of preparing a base material of a hollow or solid cylindrical shape which is to become the developing agent carrier, the base material having an outer peripheral surface; and a step of forming the irregularity section by pressing dice for formation of the irregularity section against the outer peripheral surface of the base material. The irregularity section forming step comprises a first step of forming a plurality of first depression portions on the outer peripheral surface of the base material by use of a die and a second step of forming a plurality of second depression portions on the outer peripheral surface of the base material by use of a die identical with or different from the die used in forming the first depression portions, in such a manner that the second depression portions are dislocated from the first depression portions.
摘要翻译：提供一种制造中空或实心圆柱形状的显影剂载体的方法，其具有形成在外周表面上以承载显影剂的外周表面和不规则部分。该方法包括制备中空或实心圆柱形状的基材作为显影剂载体的步骤，该基材具有外周表面; 以及通过将用于形成不规则部分的骰子压靠在基材的外周面上而形成不规则部分的步骤。不规则部分形成步骤包括：通过使用模具在母材的外周面上形成多个第一凹部的第一工序;在第二工序中，在第二工序中，使用与形成第一凹部的模具相同或不同的模具，使第二凹部从第一凹部脱位。

9. 发明授权

US08534808B2 Liquid ejecting apparatus and cleaning method in liquid ejecting apparatus 有权
标题翻译：液体喷射装置和液体喷射装置中的清洗方法
公开(公告)号：US08534808B2
公开(公告)日：2013-09-17
申请号：US13022601
申请日：2011-02-07
申请人： Tomohiro Aruga , Masaru Kobashi
发明人： Tomohiro Aruga , Masaru Kobashi
IPC分类号： B41J2/175
CPC分类号： B41J2/16585 , B41J2/16526 , B41J2/17596
摘要： The liquid ejecting apparatus includes nozzles which eject ink, an ink flow path which supplies ink from the upstream side toward the downstream side, a maintenance pump capable of suctioning and discharging ink from the ink flow path, a one-way valve which is opened in accordance with decompression on the downstream side, thereby allowing passage of ink from the upstream side to the downstream side, and a control unit which controls the driving of the maintenance pump, thereby performing a cleaning process, wherein the control unit makes the maintenance pump suction ink from a pressure-changing position in the ink flow path by performing the suction driving of the maintenance pump after making the maintenance pump discharge ink from the pressure-changing position in the ink flow path into the ink flow path by performing the discharge driving of the maintenance pump.
摘要翻译：液体喷射装置包括喷射墨水的喷嘴，从上游侧向下游侧供给墨水的墨水流路，能够从墨水流路吸引和排出墨水的维护泵，打开的墨水根据下游侧的减压，从而允许墨水从上游侧流向下游侧;以及控制单元，其控制维护泵的驱动，从而进行清洁处理，其中控制单元使维护泵抽吸通过在使维护泵从油墨流路中的压力变化位置将墨水排出到墨水流路中之后进行维护泵的抽吸驱动，通过进行墨水流路中的压力变化位置的排出驱动维修泵。

10. 发明授权

US08126355B2 Developing device with seal member that abuts toner carrier roller 有权
标题翻译：显影装置与密封件邻接调色剂承载辊
公开(公告)号：US08126355B2
公开(公告)日：2012-02-28
申请号：US12353090
申请日：2009-01-13
申请人： Tomohiro Aruga , Masahiro Maeda
发明人： Tomohiro Aruga , Masahiro Maeda
IPC分类号： G03G15/08
CPC分类号： G03G15/0818 , G03G15/0817
摘要： A developing device, includes: a housing that stores toner inside; a toner carrier roller that is shaped approximately like a cylinder, is mounted to the housing rotatably about a rotational axis, rotates while carrying the toner on a surface thereof to convey the toner to outside of the housing, and is provided, on the surface thereof, with a plurality of convex sections which are regularly arranged and a concave section which surrounds the convex sections, the convex sections including top surfaces that coincide with a part of a curved surface of single cylinder and have electrical conductivity; and a seal member that is arranged in abutting contact with the surface of the toner carrier roller moving from the outside the housing toward the inside the housing at a position downstream of the opposed position in a rotation direction of the toner carrier roller to prevent toner leakage from the housing, a contact surface of the seal member being made of a material located at a position to charge the toner with a polarity opposite to its charging polarity in triboelectric series.
摘要翻译：一种显影装置，包括：在其中存储调色剂的壳体; 成形为大致像圆筒的调色剂承载辊以旋转轴为中心可旋转地安装在壳体上，同时在其表面上承载调色剂的同时旋转以将调色剂输送到壳体的外部，并且在其表面上设置具有规则排列的多个凸部和围绕所述凸部的凹部，所述凸部包括与单筒的曲面的一部分重合并具有导电性的顶面; 以及密封构件，所述密封构件布置成与所述调色剂承载辊的表面邻接，所述表面在所述调色剂承载辊的旋转方向上在相对位置的下游位置处从所述壳体的外部移动到所述壳体的内部，以防止调色剂泄漏所述密封构件的接触表面由位于使所述调色剂以摩擦系列与其充电极性相反极性的位置的材料制成。

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