公开(公告)号：US07809295B2

公开(公告)日：2010-10-05

申请号：US11875734

申请日：2007-10-19

申请人： Shinji Yasukawa ,  Nobuhiro Miyakawa ,  Ken Ikuma

发明人： Shinji Yasukawa ,  Nobuhiro Miyakawa ,  Ken Ikuma

IPC分类号： G03G15/00

CPC分类号： G03G15/104 ,  G03G2215/0132

摘要： A color image forming apparatus includes, for each of liquid developers of plural colors, a photosensitive member, a developing roller, an agitating device that agitates a liquid developer having a viscosity characteristic dependent on a shearing force, and a developer supplying unit that supplies the liquid developer to the developing roller. In development, agitation start timing is varied depending on the color of the liquid developer.

摘要翻译： 彩色图像形成装置对于各种颜色的液体显影剂包括：感光构件，显影辊，搅拌具有取决于剪切力的粘度特性的液体显影剂的搅拌装置;以及显影剂供给单元， 液体显影剂到显影辊。 在开发中，根据液体显影剂的颜色，搅拌开始时间是不同的。

公开(公告)号：US07955770B2

公开(公告)日：2011-06-07

申请号：US11873353

申请日：2007-10-16

申请人： Nobuhiro Miyakawa ,  Shinji Yasukawa ,  Tomotake Hiraga ,  Ken Ikuma

发明人： Nobuhiro Miyakawa ,  Shinji Yasukawa ,  Tomotake Hiraga ,  Ken Ikuma

IPC分类号： G03G5/147

CPC分类号： G03G5/14791 ,  G03G5/14704 ,  G03G5/14726 ,  G03G5/1473 ,  G03G5/14734

摘要： The surface of a photoconductor is coated with a surface protection layer comprising a cured material of a fluorine-containing photo-curing composition containing fluorinated alkyl group-containing (meth)acrylate and a photopolymerization initiator, and the surface protection layer has a fluorine atom content of 8.5 to 20% by mass.

摘要翻译： 光电导体的表面涂覆有包含含氟化烷基（甲基）丙烯酸酯和光聚合引发剂的含氟光固化组合物的固化物的表面保护层，表面保护层具有氟原子含量 为8.5〜20质量％。

公开(公告)号：US07390604B2

公开(公告)日：2008-06-24

申请号：US11336425

申请日：2006-01-20

申请人： Nobuhiro Miyakawa ,  Toshiaki Yamagami ,  Ken Ikuma

发明人： Nobuhiro Miyakawa ,  Toshiaki Yamagami ,  Ken Ikuma

IPC分类号： G03G9/00

CPC分类号： G03G9/0819 ,  G03G9/0804 ,  G03G9/0815 ,  G03G9/0823 ,  G03G9/0827 ,  G03G9/09708 ,  G03G9/09791

摘要： The present invention provides a negatively chargeable spherical toner having: a toner mother particle having a binder resin and a colorant, which has: a number average particle size of from 4.5 to 9 μm; a particle size distribution that has an integrated value of particle sizes of 3 μm or less of 1% or less; and an average sphericity of from 0.95 to 0.99; and an alumina fine particle externally added to the toner mother particle, which has a number average particle size of from 0.1 to 1.0 μm, wherein a work function (Φt) of the toner mother particle is larger than a work function (ΦA) of the alumina fine particle by at least 0.4 eV.

摘要翻译： 本发明提供了一种带负电荷的球形调色剂，其具有：具有粘合剂树脂和着色剂的调色剂母粒，其数均粒径为4.5至9μm; 具有3μm以下的粒径的积分值为1％以下的粒度分布; 平均球形度为0.95〜0.99; 以及外部添加到调色剂母粒子中的氧化铝细粒，其数均粒径为0.1〜1.0μm，其中调色剂母粒子的功函数（Phi t）大于 氧化铝细颗粒的功函数（PhiA）至少为0.4eV。

公开(公告)号：US20060177754A1

公开(公告)日：2006-08-10

申请号：US11336425

申请日：2006-01-20

申请人： Nobuhiro Miyakawa ,  Toshiaki Yamagami ,  Ken Ikuma

发明人： Nobuhiro Miyakawa ,  Toshiaki Yamagami ,  Ken Ikuma

IPC分类号： G03G9/08

CPC分类号： G03G9/0819 ,  G03G9/0804 ,  G03G9/0815 ,  G03G9/0823 ,  G03G9/0827 ,  G03G9/09708 ,  G03G9/09791

摘要： The present invention provides a negatively chargeable spherical toner having: a toner mother particle having a binder resin and a colorant, which has: a number average particle size of from 4.5 to 9 μm; a particle size distribution that has an integrated value of particle sizes of 3 μm or less of 1% or less; and an average sphericity of from 0.95 to 0.99; and an alumina fine particle externally added to the toner mother particle, which has a number average particle size of from 0.1 to 1.0 μm, wherein a work function (Φt) of the toner mother particle is larger than a work function (ΦA) of the alumina fine particle by at least 0.4 eV.

摘要翻译： 本发明提供了一种带负电荷的球形调色剂，其具有：具有粘合剂树脂和着色剂的调色剂母粒，其数均粒径为4.5至9μm; 具有3μm以下的粒径的积分值为1％以下的粒度分布; 平均球形度为0.95〜0.99; 以及外部添加到调色剂母粒子中的氧化铝细粒，其数均粒径为0.1〜1.0μm，其中调色剂母粒子的功函数（Phi t）大于 氧化铝细颗粒的功函数（PhiA）至少为0.4eV。

公开(公告)号：US20050214668A1

公开(公告)日：2005-09-29

申请号：US11089422

申请日：2005-03-23

申请人： Nobuhiro Miyakawa ,  Ken Ikuma

发明人： Nobuhiro Miyakawa ,  Ken Ikuma

IPC分类号： G03G9/08 ,  G03G9/087 ,  G03G9/097 ,  G03G15/08

CPC分类号： G03G9/09791 ,  G03G9/0827 ,  G03G9/09708 ,  G03G9/09725

摘要： The present invention provides a toner including: a toner mother particle; an amorphous fine particle; a monodisperse spherical silica; and a metal soap, wherein the amorphous particle has the same polarity as the toner mother particle, a volume mean particle size of 0.1 times or less that of the toner mother particle, and a work function larger than that of a cleaning blade of a developing device, wherein an average sphericity of the toner L0/L1 is from 0.970 to 0.985, provided that L1 represents a circumferential length (μm) of a projected image of the toner particle, and L0 represents a circumferential length (μm) of a true circle having an area equal to that of the projected image of the toner particle.

摘要翻译： 本发明提供一种调色剂，其包括：调色剂母粒; 无定形细颗粒; 单分散球形二氧化硅; 和金属皂，其中所述无定形颗粒具有与调色剂母粒相同的极性，体积平均粒度为调色剂母粒的体积平均粒径的0.1倍以下，功函数大于显影剂的清洁片的功函数 装置，其中调色剂L 0 / L 1 N的平均球形度为0.970至0.985，条件是L 1表示圆周长度（ 妈妈）调色剂颗粒的投影图像，并且L 0表示具有与调色剂颗粒的投影图像的面积相等的面积的真圆的圆周长度（mum）。

公开(公告)号：US08718521B2

公开(公告)日：2014-05-06

申请号：US13225858

申请日：2011-09-06

申请人： Satoshi Chiba ,  Ken Ikuma

发明人： Satoshi Chiba ,  Ken Ikuma

IPC分类号： G03G15/01

CPC分类号： G03G15/1685 ,  G03G15/0189 ,  G03G15/1615

摘要： An image-forming apparatus includes a transfer roller having a recessed portion in a circumferential surface; a driving portion for rotatably driving the transfer roller; an image carrier belt for carrying an image; a tension roller around which the image carrier belt is wound for making contact with the transfer roller interposed by the image carrier belt; a biasing portion for biasing the tension roller towards the transfer roller; and a position-regulating portion that, when the transfer roller rotates and the transfer roller and the image carrier belt make contact, causes a position to be maintained at which the image carrier belt wound around the tension roller intersects a virtual circumferential surface that is an extension of the circumferential surface of the transfer roller into the recessed portion.

摘要翻译： 图像形成装置包括在圆周表面上具有凹部的转印辊; 用于可旋转地驱动转印辊的驱动部分; 用于承载图像的图像传送带; 卷绕图像传送带的张力辊，用于与由图像传送带插入的转印辊接触; 偏压部分，用于将张紧辊朝向转印辊偏压; 以及位置调节部，当所述转印辊旋转并且所述转印辊和所述图像承载带接触时，导致卷绕在所述张力辊周围的所述图像传送带相交的位置被保持， 转印辊的圆周表面延伸到凹入部分中。

公开(公告)号：US08014691B2

公开(公告)日：2011-09-06

申请号：US12196193

申请日：2008-08-21

申请人： Teruyuki Inukai ,  Toru Tanjo ,  Tsutomu Sasaki ,  Ken Ikuma

发明人： Teruyuki Inukai ,  Toru Tanjo ,  Tsutomu Sasaki ,  Ken Ikuma

IPC分类号： G03G15/00

CPC分类号： G03G15/105

摘要： A method of measuring density includes detecting movement of a moving member in a light path of light emitted from a light emitting member, measuring an output of a light receiving member for a case where the moving member is moved in the light path, as a first output, detecting that the moving member is not in the light path, measuring an output of the light receiving member for a case where the moving member is not in the light path, as a second output, and calculating density based on the first output and the second output.

摘要翻译： 测量密度的方法包括检测移动构件在从发光构件发射的光的光路中的移动，测量移动构件在光路中移动的情况下的光接收构件的输出作为第一 输出，检测到移动构件不在光路中，测量用于移动构件不在光路中的情况下的光接收构件的输出作为第二输出，并且基于第一输出计算密度， 第二个输出。

公开(公告)号：US08009361B2

公开(公告)日：2011-08-30

申请号：US12544108

申请日：2009-08-19

申请人： Yujiro Nomura ,  Ken Ikuma

发明人： Yujiro Nomura ,  Ken Ikuma

IPC分类号： G02B27/10 ,  B41J2/45 ,  G03G15/14

CPC分类号： G02B3/0056 ,  B41J2/451 ,  G02B3/0068 ,  G03G15/04072 ,  G03G2215/0409

摘要： A lens array includes: a lens array substrate having a light transmissive property; a first lens disposed on the lens array substrate; and a second lens disposed on the lens array substrate in a first direction from the first lens and different from the first lens in peripheral shape.

摘要翻译： 透镜阵列包括：具有透光性的透镜阵列基板; 设置在所述透镜阵列基板上的第一透镜; 以及第二透镜，其从第一透镜在第一方向上设置在透镜阵列基板上，并且与周边形状的第一透镜不同。

公开(公告)号：US07999837B2

公开(公告)日：2011-08-16

申请号：US12630618

申请日：2009-12-03

申请人： Kiyoshi Tsujino ,  Ken Ikuma

发明人： Kiyoshi Tsujino ,  Ken Ikuma

IPC分类号： B41J2/435 ,  B41J2/47

CPC分类号： B41J2/451 ,  G03G15/04072 ,  G03G15/0435 ,  G03G15/326 ,  G03G2215/0412

摘要： Provided is an image forming apparatus including: a latent image carrier, on which a latent image is formed; an exposure head that includes a first light-emitting element and a second light-emitting element that is disposed in a direction in which the latent image container corresponding to the first light-emitting element is moved; and a control unit that changes over and performs a first latent image forming operation, in which the latent image is formed on the latent image container by using the first light-emitting element, and a second latent image forming operation, in which the latent image is formed on the latent image container by using the second light-emitting element, wherein the control unit controls a first light emission timing of the first light-emitting element in the first latent image forming operation and a second light emission timing of the second light-emitting element in the second latent image forming operation to be different from each other.

摘要翻译： 提供一种图像形成装置，包括：潜像载体，在其上形成潜像; 曝光头，其包括第一发光元件和第二发光元件，所述第一发光元件和第二发光元件设置在与所述第一发光元件相对应的潜像容器移动的方向上; 以及控制单元，其通过使用第一发光元件转换并执行潜像在潜像容器上形成潜像的第一潜像形成操作和第二潜像形成操作，其中潜像 通过使用第二发光元件形成在潜像容器上，其中控制单元控制第一潜像形成操作中的第一发光元件的第一发光定时和第二光的第二发光定时 第二潜像形成操作中的发光元件彼此不同。

公开(公告)号：US07952601B2

公开(公告)日：2011-05-31

申请号：US12358042

申请日：2009-01-22

申请人： Ryuta Koizumi ,  Yujiro Nomura ,  Takeshi Sowa ,  Ken Ikuma

发明人： Ryuta Koizumi ,  Yujiro Nomura ,  Takeshi Sowa ,  Ken Ikuma

IPC分类号： B41J2/45

CPC分类号： G03G15/326 ,  G03G15/04072 ,  G03G15/0435

摘要： An exposure head includes: a lens array in which lenses are disposed in a first direction; and a light-emitting element substrate on which light-emitting elements that emit light to be focused by the lenses are disposed. Length L1 of the lenses in the first direction and length L2 of the lenses in a second direction orthogonal to the first direction have a relation represented by an expression 1

摘要翻译： 曝光头包括：透镜阵列，其中透镜沿第一方向设置; 以及发光元件基板，在该发光元件基板上设置发射由透镜聚焦的光的发光元件。 透镜在第一方向上的长度L1和与第一方向正交的第二方向上的透镜的长度L2具有由表达式1