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1. 发明申请

US20100239327A1 DEVELOPING DEVICE, IMAGE FORMING DEVICE AND IMAGE FORMING METHOD 审中-公开
标题翻译：开发设备，图像形成装置和图像形成方法
公开(公告)号：US20100239327A1
公开(公告)日：2010-09-23
申请号：US12724890
申请日：2010-03-16
申请人： Yoichi YAMADA , Tomohiro ARUGA , Daisuke MATSUMOTO , Atsunori KITAZAWA , Masaru KOBASHI
发明人： Yoichi YAMADA , Tomohiro ARUGA , Daisuke MATSUMOTO , Atsunori KITAZAWA , Masaru KOBASHI
IPC分类号： G03G15/08
CPC分类号： G03G15/0812
摘要： A development device includes a housing having toner housed therein; a toner carrying roller that has a plurality of convex portions and concave portions surrounding the convex portions, formed on a surface thereof; and a conductive restriction blade in which a free end or an adjoining region adjacent to the free end abuts the surface of the toner carrying roller, thereby restricting the amount of the toner carried on surface of the toner carrying roller, wherein the toner has an external additive including a metal oxide, the restriction blade is applied with a restriction bias voltage of the same polarity as the regular electrification polarity of the toner, and a gap between the front end of the free end and the convex portion of the toner carrying roller is smaller than a volume average particle diameter of the toner.
摘要翻译：显影装置包括容纳在其中的调色剂的壳体; 形成在其表面上的具有多个凸部和围绕凸部的凹部的调色剂承载辊; 以及导电限制刀片，其中与自由端相邻的自由端或相邻区域邻接调色剂承载辊的表面，从而限制承载在调色剂承载辊的表面上的调色剂的量，其中调色剂具有外部添加剂包括金属氧化物，限制刀片施加与调色剂的正常带电极性相同极性的限制偏置电压，并且调色剂承载辊的自由端的前端和凸部之间的间隙是小于调色剂的体积平均粒径。

2. 发明申请

US20100248131A1 IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD 审中-公开
标题翻译：图像形成装置和图像形成方法
公开(公告)号：US20100248131A1
公开(公告)日：2010-09-30
申请号：US12727300
申请日：2010-03-19
申请人： Masahiro MAEDA , Yoichi YAMADA , Masaru KOBASHI , Tomohiro ARUGA , Takatomo FUKUMOTO , Atsunori KITAZAWA
发明人： Masahiro MAEDA , Yoichi YAMADA , Masaru KOBASHI , Tomohiro ARUGA , Takatomo FUKUMOTO , Atsunori KITAZAWA
IPC分类号： G03G13/16 , G03G21/00
CPC分类号： G03G15/0233 , G03G15/0291 , G03G15/22 , G03G21/0017 , G03G21/0023 , G03G21/0035 , G03G2221/1609
摘要： Provided is an image forming apparatus including: a latent image carrier; a lubricant applying unit configured to bring a conductive contact member into contact with a surface of the latent image carrier; a development unit configured to attach toner to the surface of the latent image carrier; and a conductive blade brought into contact with the surface of the latent image carrier at a cleaning position, wherein a bias is applied to at least one of the conductive contact member and the conductive blade such that the surface of the latent image carrier is electrified, and wherein, as the durability of the conductive blade is prolonged, a ratio of the electrification of the surface of the latent image carrier by the conductive blade and the electrification of the surface of the latent image carrier by the conductive contact member is changed.
摘要翻译：提供一种图像形成装置，包括：潜像载体; 润滑剂施加单元，其构造成使导电接触构件与所述潜像载体的表面接触; 显影单元，其构造成将调色剂附着到潜像载体的表面; 以及在清洁位置与所述潜像载体的表面接触的导电片，其中，对所述导电接触构件和所述导电片中的至少一个施加偏压使得所述潜像载体的表面通电，并且其中，随着导电性叶片的耐久性延长，导电性刮片的潜像载体的表面带电率与潜像载体的表面的导通性发生变化。

3. 发明申请

US20100248129A1 IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD 审中-公开
标题翻译：图像形成装置和图像形成方法
公开(公告)号：US20100248129A1
公开(公告)日：2010-09-30
申请号：US12727310
申请日：2010-03-19
申请人： Masahiro MAEDA , Yoichi YAMADA , Masaru KOBASHI , Tomohiro ARUGA , Takatomo FUKUMOTO , Atsunori KITAZAWA
发明人： Masahiro MAEDA , Yoichi YAMADA , Masaru KOBASHI , Tomohiro ARUGA , Takatomo FUKUMOTO , Atsunori KITAZAWA
IPC分类号： G03G21/00 , G03G15/02
CPC分类号： G03G15/0233 , G03G15/0291 , G03G15/22 , G03G21/0017 , G03G21/0023
摘要： An image forming apparatus includes: a latent image carrier which circumferentially rotates in a predetermined rotational direction; a conductive blade which cleans a surface of the latent image carrier by being in contact with the surface of the latent image carrier, and charges the surface of the latent image carrier at a first electric potential having the same polarity as normal charged polarity of a toner according to application of direct current voltage having the same polarity as the normal charged polarity of the toner, in a predetermined cleaning and charging position; and a charger which provides electric charge having reverse polarity to the normal charged polarity and adjusts an electric potential of the surface of the latent image carrier to a second electric potential, in a secondary charging position located on a downstream side of the cleaning and charging position in the rotational direction.
摘要翻译：图像形成装置包括：潜像载体，其沿预定旋转方向周向旋转; 导电叶片，其通过与潜像载体的表面接触来清洁潜像载体的表面，并且以与正常的调色剂的带电极性相同极性的第一电位对潜像载体的表面进行充电根据应用具有与调色剂的正常带电极性相同极性的直流电压，在预定的清洗和充电位置; 以及充电器，其提供具有与正常充电极性相反极性的电荷，并且在位于清洁和充电位置的下游侧的二次充电位置中将潜像载体的表面的电位调节到第二电位在旋转方向。

4. 发明申请

US20100247187A1 IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD 审中-公开
标题翻译：图像形成装置和图像形成方法
公开(公告)号：US20100247187A1
公开(公告)日：2010-09-30
申请号：US12727678
申请日：2010-03-19
申请人： Masahiro MAEDA , Yoichi YAMADA , Masaru KOBASHI , Tomohiro ARUGA , Takatomo FUKUMOTO , Atsunori KITAZAWA
发明人： Masahiro MAEDA , Yoichi YAMADA , Masaru KOBASHI , Tomohiro ARUGA , Takatomo FUKUMOTO , Atsunori KITAZAWA
IPC分类号： G03G21/10
CPC分类号： G03G21/0017 , G03G21/0023 , G03G2221/0005
摘要： An image forming apparatus includes: a latent image carrier which circumferentially rotates in a predetermined rotational direction; a lubricant applying unit which applies a lubricant on a surface of the latent image carrier in a predetermined application position; a developing unit which adheres a toner including an additive having an abrasion effect onto the surface of the latent image carrier on which the lubricant is coated to form a toner image, in a development position located on a downstream side of the application position in the rotational direction; and a conductive blade which cleans and removes the toner on the surface of the latent image carrier in contact with the surface of the latent image carrier, and charges the surface of the latent image carrier, in a cleaning and charging position located on an upstream side of the development position in the rotational direction.
摘要翻译：图像形成装置包括：潜像载体，其沿预定旋转方向周向旋转; 润滑剂施加单元，其在预定施加位置中在所述潜像载体的表面上施加润滑剂; 显影单元，其将包含具有磨损效果的添加剂的调色剂粘附在其上涂覆有润滑剂的潜像载体的表面上以形成调色剂图像，所述显影位置位于旋转的施加位置的下游侧的显影位置方向; 以及导电叶片，其清洁和去除与潜像载体的表面接触的潜像载体的表面上的调色剂，并且在位于上游侧的清洁和充电位置对潜像载体的表面进行充电的旋转方向的发展位置。

5. 发明申请

US20100261113A1 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：US20100261113A1
公开(公告)日：2010-10-14
申请号：US12759925
申请日：2010-04-14
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： G03G15/08 , G03G9/0804 , G03G9/0827 , G03G9/09708 , G03G9/09725 , G03G15/0818 , G03G2215/0602 , G03G2215/0634
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; a small particle size silica having an average particle size of 7 to 15 nm; a large particle size silica having an average particle size of 50 to 400 nm; and a small particle size transition alumina obtained by a dawsonite method and having an average particle size of 7 to 20 nm.
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; 平均粒径为7〜15nm的小粒径二氧化硅; 平均粒径为50〜400nm的大粒径二氧化硅; 和通过片钠铝石法得到的平均粒径为7〜20nm的小粒径的过渡型氧化铝。

6. 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。

7. 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。

8. 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。

9. 发明申请

US20090290900A1 Developing Device, Image Forming Apparatus, and Method of Manufacturing Developing Device 审中-公开
标题翻译：显影装置，图像形成装置以及制造显影装置的制造方法
公开(公告)号：US20090290900A1
公开(公告)日：2009-11-26
申请号：US12429084
申请日：2009-04-23
申请人： Masahiro MAEDA , Tomohiro ARUGA , Yoichi YAMADA , Takatomo FUKUMOTO
发明人： Masahiro MAEDA , Tomohiro ARUGA , Yoichi YAMADA , Takatomo FUKUMOTO
IPC分类号： G03G15/08
CPC分类号： G03G15/0818 , G03G15/0898
摘要： A developing device includes: a housing that stores toner therein; a toner carrying roller that is attached to the housing by a shaft and is rotated in a predetermined rotation direction while carrying charged toner on a surface of the toner carrying roller to transport the toner to the outside of the housing; and a seal member that extends in a direction of a rotation axis of the toner carrying roller and has one end fixed to the housing and the other end in contact with the surface of the toner carrying roller to prevent the toner from leaking out of the housing, wherein a plurality of convex portions having top surfaces constituting a part of the same cylindrical surface are formed on the surface of the toner carrying roller, and at least a part of the seal member in contact with the surface of the toner carrying roller is made of a material having a contact angle of 105° or more with respect to water.
摘要翻译：显影装置包括：在其中存储调色剂的壳体; 调色剂承载辊，其通过轴附接到壳体并且在将带电调色剂携带在调色剂承载辊的表面上以预定的旋转方向旋转以将调色剂输送到壳体的外部; 以及密封构件，其沿着调色剂承载辊的旋转轴线的方向延伸，并且一端固定到壳体，另一端与调色剂承载辊的表面接触，以防止调色剂从壳体泄漏其中，在调色剂承载辊的表面上形成有多个凸起部分，其具有构成同一圆柱形表面的一部分的顶表面，并且与该调色剂承载辊的表面接触的密封件的至少一部分被制成相对于水的接触角为105°以上的材料。

10. 发明申请

US20070110481A1 Toner-Particle Bearing Roller, Developing Device, And Image Forming Apparatus 有权
标题翻译：调色剂颗粒轴承辊，显影装置和成像装置
公开(公告)号：US20070110481A1
公开(公告)日：2007-05-17
申请号：US11556041
申请日：2006-11-02
申请人： Yoichi YAMADA , Tomohiro ARUGA , Noboru SAKURAI , Katsumi OKAMOTO , Hiroshi KATO , Masanao KUNUGI , Takatomo FUKUMOTO
发明人： Yoichi YAMADA , Tomohiro ARUGA , Noboru SAKURAI , Katsumi OKAMOTO , Hiroshi KATO , Masanao KUNUGI , Takatomo FUKUMOTO
IPC分类号： G03G15/08
CPC分类号： G03G15/0818 , G03G2215/0634
摘要： A developing device includes a toner particle-bearing roller that bears toner particles on its surface and develops a latent image borne by an image-bearing member with those toner particles, the toner particle-bearing roller has a projection portion disposed on its surface, the projection portion having a top surface having a flat portion, and a width of the top surface being equal to or more than a volume average particle diameter of the toner particles.
摘要翻译：显影装置包括：调色剂颗粒承载辊，其表面上带有调色剂颗粒，并且通过这些调色剂颗粒显影由图像承载部件承载的潜像，调色剂颗粒承载辊具有设置在其表面上的突出部分，突起部分具有平坦部分的顶表面，并且顶表面的宽度等于或大于调色剂颗粒的体积平均粒径。

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