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1. 发明申请

US20150053033A1 Devices and Methods for Remanufacturing Printer Cartridges 审中-公开
标题翻译：再制造墨盒的设备和方法
公开(公告)号：US20150053033A1
公开(公告)日：2015-02-26
申请号：US14465350
申请日：2014-08-21
申请人： William F. Niederstadt , Shinichi Iijima , Kozo Ishio , Edgar Covarrubias
发明人： William F. Niederstadt , Shinichi Iijima , Kozo Ishio , Edgar Covarrubias
IPC分类号： F16H1/10
CPC分类号： F16H1/10 , B41J2/17559 , G03G21/181 , G03G2215/00987 , Y10T29/49721 , Y10T29/4973 , Y10T74/19642
摘要： Devices and methods for remanufacturing a printer cartridge component are provided. The printer cartridge component is a drum gear assembly configured for attachment to an organic photoconductor (OPC) drum configured for use in a printer cartridge. The drum gear assembly has a drum drive gear and a drive axle attached to the drum drive gear. The drive axle has a first end with teeth portions. The device has a first portion having a drive axle engagement end configured to engage the drive axle. The device further has a second portion coupled to the first portion. The second portion has a teeth engagement portion to engage one or more of the teeth portions of the drive axle. The first portion and the second portion are configured for assembling and disassembling the drum gear assembly.
摘要翻译：提供了用于再制造打印机墨盒组件的设备和方法。打印机墨盒组件是被配置为附接到被配置为用于打印机墨盒的有机感光鼓（OPC）鼓的鼓齿轮组件。鼓齿轮组件具有鼓驱动齿轮和连接到鼓驱动齿轮的驱动轴。驱动桥具有带有齿部分的第一端。该装置具有第一部分，该第一部分具有构造成与驱动轴接合的驱动桥接合端。该装置还具有联接到第一部分的第二部分。第二部分具有啮合驱动轴的一个或多个齿部分的齿啮合部分。第一部分和第二部分构造成用于组装和拆卸鼓齿轮组件。

2. 发明授权

US09217490B2 Devices and methods for remanufacturing printer cartridges 有权
标题翻译：再制造打印机墨盒的装置和方法
公开(公告)号：US09217490B2
公开(公告)日：2015-12-22
申请号：US14465350
申请日：2014-08-21
申请人： William F. Niederstadt , Shinichi Iijima , Kozo Ishio , Edgar Covarrubias
发明人： William F. Niederstadt , Shinichi Iijima , Kozo Ishio , Edgar Covarrubias
IPC分类号： G03G15/00 , F16H1/10
CPC分类号： F16H1/10 , B41J2/17559 , G03G21/181 , G03G2215/00987 , Y10T29/49721 , Y10T29/4973 , Y10T74/19642
摘要： Devices and methods for remanufacturing a printer cartridge component are provided. The printer cartridge component is a drum gear assembly configured for attachment to an organic photoconductor (OPC) drum configured for use in a printer cartridge. The drum gear assembly has a drum drive gear and a drive axle attached to the drum drive gear. The drive axle has a first end with teeth portions. The device has a first portion having a drive axle engagement end configured to engage the drive axle. The device further has a second portion coupled to the first portion. The second portion has a teeth engagement portion to engage one or more of the teeth portions of the drive axle. The first portion and the second portion are configured for assembling and disassembling the drum gear assembly.
摘要翻译：提供了用于再制造打印机墨盒组件的设备和方法。打印机墨盒组件是被配置为附接到被配置为用于打印机墨盒的有机感光鼓（OPC）鼓的鼓齿轮组件。鼓齿轮组件具有鼓驱动齿轮和连接到鼓驱动齿轮的驱动轴。驱动桥具有带有齿部分的第一端。该装置具有第一部分，该第一部分具有构造成与驱动轴接合的驱动桥接合端。该装置还具有联接到第一部分的第二部分。第二部分具有啮合驱动轴的一个或多个齿部分的齿啮合部分。第一部分和第二部分构造成用于组装和拆卸鼓齿轮组件。

3. 发明授权

US08974998B2 Method of image forming with a photoreceptor and toner 有权
标题翻译：用感光体和调色剂成像的方法
公开(公告)号：US08974998B2
公开(公告)日：2015-03-10
申请号：US13232021
申请日：2011-09-14
申请人： Teruyuki Mitsumori , Kozo Ishio , Hiroaki Takamura , Masaya Oota , Shiho Sano , Takeshi Oowada , Masakazu Sugihara , Teruki Senokuti , Shiro Yasutomi , Yumi Hirabaru
发明人： Teruyuki Mitsumori , Kozo Ishio , Hiroaki Takamura , Masaya Oota , Shiho Sano , Takeshi Oowada , Masakazu Sugihara , Teruki Senokuti , Shiro Yasutomi , Yumi Hirabaru
IPC分类号： G03G9/08 , G03G15/08 , G03G13/08
CPC分类号： G03G13/08 , G03G9/0819 , G03G15/08
摘要： A method of forming an image including an electrophotographic photoreceptor and a toner, wherein a photosensitive layer in the electrophotographic photoreceptor includes an undercoat layer including metal oxide particles, a charge generation layer including hydroxygallium phthalocyanine, and a charge transport layer, and the toner contains toner matrix particles formed in an aqueous medium; the toner has a volume median diameter (Dv50) of from 4.0 μm to 7.0 μm; and the relationship between the volume median diameter (Dv50) and the percentage in number (Dns) of toner particles having a particle diameter of from 2.00 μm to 3.56 μm satisfies—0.0517EXP(22.4/Dv50)≦Dns≦0.233EXP(17.3/Dv50) where Dv50 is the volume median diameter (μm) of the toner, and Dns is the percentage in number of toner particles having a particle diameter of from 2.00 μm to 3.56 μm.
摘要翻译：一种形成包括电子照相感光体和调色剂的图像的方法，其中电子照相感光体中的感光层包括包含金属氧化物颗粒的底涂层，包含羟基镓酞菁的电荷产生层和电荷传输层，并且调色剂含有调色剂在水性介质中形成的基质颗粒; 调色剂的体积中值粒径（Dv50）为4.0μm〜7.0μm; 体积中值粒径（Dv50）与粒径为2.00μm〜3.56μm的调色剂粒子的数量（Dns）的关系满足-0.0517EXP（22.4 / Dv50）＆nlE; Dns＆NlE; 0.233EXP（17.3 / Dv50）其中Dv50是调色剂的体积中值直径（μm），Dns是粒径为2.00μm至3.56μm的调色剂颗粒数的百分比。

4. 发明授权

US08323861B2 Electrophotographic photoreceptor, image-forming apparatus, and electrophotographic cartridge 有权
标题翻译：电子照相感光体，图像形成装置和电子照像盒
公开(公告)号：US08323861B2
公开(公告)日：2012-12-04
申请号：US12301109
申请日：2007-05-18
申请人： Teruyuki Mitsumori , Kozo Ishio , Hiroe Fuchigami
发明人： Teruyuki Mitsumori , Kozo Ishio , Hiroe Fuchigami
IPC分类号： G03G15/04 , G03G5/14
CPC分类号： G03G5/0507 , G03G5/043 , G03G5/047 , G03G5/0514 , G03G5/0525 , G03G5/0614 , G03G5/0668 , G03G5/0672 , G03G5/0696 , G03G5/104 , G03G5/142 , G03G5/144
摘要： An electrophotographic photoreceptor having high sensitivity and low residual potential is provided. The electrophotographic photoreceptor includes an undercoat layer containing metal oxide particles and a binder resin on an electroconductive substrate, and a photosensitive layer disposed on the undercoat layer, wherein the metal oxide particles have a volume average particle diameter of 0.1 μm or less and a 90% cumulative particle diameter of 0.3 μm or less which are measured by a dynamic light-scattering method in a liquid of the undercoat layer dispersed in a solvent mixture of methanol and 1-propanol at a weight ratio of 7:3; and the photosensitive layer contains crystalline phthalocyanine showing at least one distinct main diffraction peak at a Bragg angle (2θ±0.2°) of 27.0° to 29.0° in an X-ray diffraction spectrum.
摘要翻译：提供具有高灵敏度和低残留电位的电子照相感光体。电子照相感光体包括在导电性基体上含有金属氧化物粒子和粘合剂树脂的底涂层和设置在底涂层上的感光层，其中金属氧化物粒子的体积平均粒径为0.1μm以下，90％通过动态光散射法在分散在甲醇和1-丙醇的溶剂混合物中的底涂层的液体中以重量比7:3测量的累积粒径为0.3μm或更小; 并且感光层含有结晶酞菁，其在X射线衍射光谱中显示在布拉格角（2θ=±0.2°）为27.0°至29.0°的至少一个不同的主要衍射峰。

5. 发明申请

US20100158561A1 ELECTROPHOTOGRAPHIC PHOTOSENSITIVE BODY, METHOD FOR PRODUCING CONDUCTIVE BASE, IMAGE FORMING DEVICE, AND ELECTROPHOTOGRAPHIC CARTRIDGE 审中-公开
标题翻译：电摄影感光体，制造导电基片的方法，图像形成装置和电摄影盒
公开(公告)号：US20100158561A1
公开(公告)日：2010-06-24
申请号：US12300943
申请日：2007-05-18
申请人： Teruyuki Mitsumori , Kozo Ishio , Hiroe Fuchigami , Susumu Taguchi , Shunichiro Kurihara
发明人： Teruyuki Mitsumori , Kozo Ishio , Hiroe Fuchigami , Susumu Taguchi , Shunichiro Kurihara
IPC分类号： G03G21/16 , G03G5/14 , G03G15/00
CPC分类号： G03G15/75 , G03G5/10 , G03G5/144
摘要： An electrophotographic photoreceptor having high performance that hardly generates image defects such as black spots, color spots, and interference fringes is provided. The electrophotographic photoreceptor includes an undercoat layer containing metal oxide particles and a binder resin on an electroconductive substrate having a maximum height surface roughness Rz in the range of 0.8≦Rz≦2 μm, and a photosensitive layer disposed on the undercoat layer, wherein the metal oxide particles have a volume average particle diameter of 0.1 μm or less and a 90% cumulative particle diameter of 0.3 μm or less which are measured by a dynamic light-scattering method in a liquid containing the undercoat layer dispersed in a solvent mixture of methanol and 1-propanol at a weight ratio of 7:3.
摘要翻译：提供了几乎不产生图像缺陷如黑点，色斑和干涉条纹的高性能的电子照相感光体。电子照相感光体包括在导电性基体上含有金属氧化物粒子和粘合剂树脂的底涂层，其最大高度表面粗糙度Rz在0.8＆lt; 1lE; Rz＆amp; NlE;2μm的范围内，以及设置在底涂层上的感光层，其中金属氧化物粒子的体积平均粒径为0.1μm以下，90％的累积粒径为0.3μm以下，其通过动态光散射法在含有分散在甲醇溶剂混合物中的底涂层的液体中测定和1-丙醇，重量比为7:3。

6. 发明授权

US08906586B2 Coating fluid for photosensitive-layer formation, process for producing the same, photoreceptor produced with the coating fluid, image-forming apparatus employing the photoreceptor, and electrophotographic cartridge employing the photoreceptor 有权
标题翻译：用于感光层形成的涂布液，其制备方法，用涂布液产生的感光体，使用感光体的成像设备，以及使用感光体的电子照像盒
公开(公告)号：US08906586B2
公开(公告)日：2014-12-09
申请号：US12301361
申请日：2007-05-18
申请人： Teruyuki Mitsumori , Kozo Ishio , Hiroe Fuchigami
发明人： Teruyuki Mitsumori , Kozo Ishio , Hiroe Fuchigami
IPC分类号： G03G15/00 , B01F15/02 , B01F15/06 , G03G5/047 , B01F3/12 , G03G5/06 , B01F7/18 , B02C17/16 , G03G5/05
CPC分类号： B01F7/18 , B01F3/1221 , B01F15/0201 , B01F15/026 , B01F15/065 , B02C17/16 , G03G5/047 , G03G5/0525 , G03G5/0696
摘要： A coating fluid for photosensitive-layer formation having high productivity and stability and a process thereof are provided. Also provided are a high-performance electrophotographic photoreceptor and an image-forming apparatus which are capable of forming high-quality images even in various use environments and are less apt to cause image defects such as black spots or color spots. The objects are accomplished with a process for producing a coating fluid which is for forming a photosensitive layer of an electrophotographic photoreceptor and comprises a charge-generating material and a binder resin, wherein a dispersing medium having an average particle diameter in the range of from 1.0 μm to 350 μm is used as a dispersing medium for dispersing the charge-generating material in the coating fluid for photosensitive-layer formation. The coating fluid for photosensitive-layer formation produced by this process is preferable as a photosensitive layer of an electrophotographic photoreceptor. The charge-generating material preferably comprises a phthalocyanine pigment and the phthalocyanine pigment in the coating fluid preferably has a 50% cumulative particle diameter (D50) of 0.13 μm or smaller as determined by a dynamic light scattering method.
摘要翻译：提供了具有高生产率和稳定性的感光层形成用涂布液及其工艺。还提供了即使在各种使用环境中也能够形成高质量图像并且不太可能引起诸如黑点或彩色斑点的图像缺陷的高性能电子照相感光体和图像形成装置。目的是通过一种制备用于形成电子照相感光体的感光层的涂布液的方法来实现的，并且包括电荷产生材料和粘合剂树脂，其中平均粒径在1.0的范围内的分散介质使用μm至350μm作为用于将电荷产生材料分散在用于感光层形成的涂布液中的分散介质。通过该方法生产的用于光敏层形成的涂布液优选作为电子照相感光体的感光层。电荷产生材料优选包含酞菁颜料，并且涂布液中的酞菁颜料优选具有通过动态光散射法测定的0.13μm以下的50％累积粒径（D50）。

7. 发明授权

US08871413B2 Toners for electrostatic-image development, cartridge employing toner for electrostatic-image development, and image-forming apparatus 有权
公开(公告)号：US08871413B2
公开(公告)日：2014-10-28
申请号：US12679233
申请日：2008-09-19
申请人： Yuzo Kaneko , Masaya Oota , Shiho Sano , Masakazu Sugihara , Teruki Senokuchi , Shiro Yasutomi , Takeshi Owada , Yumi Hirabaru , Takuya Nishikiori , Teruyuki Mitsumori , Kozo Ishio , Hiroaki Takamura
发明人： Yuzo Kaneko , Masaya Oota , Shiho Sano , Masakazu Sugihara , Teruki Senokuchi , Shiro Yasutomi , Takeshi Owada , Yumi Hirabaru , Takuya Nishikiori , Teruyuki Mitsumori , Kozo Ishio , Hiroaki Takamura
IPC分类号： G03G9/08 , G03G9/093 , G03G9/087
CPC分类号： G03G9/0827 , G03G9/0806 , G03G9/0819 , G03G9/0821 , G03G9/0823 , G03G9/08782 , G03G9/09392 , G03G2215/0614 , G03G2221/0005
摘要： An object of the invention is to provide a toner which is effective in improving image quality while inhibiting white-background fouling, residual-image phenomenon (ghost), blurring (suitability for solid printing), and the like that occur depending on the proportion of a fine powder having a particle diameter not larger than a specific value, and which has satisfactory removability in cleaning, mitigates problems concerning fouling, etc. in long-term use even on a high-speed printer, and attains excellent image stability. Another object is to provide an image-forming apparatus and a toner cartridge each employing the toner. The invention provides a toner for electrostatic-image development satisfying all of the following (1) to (4) or a toner for electrostatic-image development which is a toner containing a charge control agent and satisfying all of the following (5) to (7). The invention further provides an image-forming apparatus and a toner cartridge each employing the toner.(1) To have a volume-median diameter (Dv50) of from 4.0 μm to 7.5 μm.(2) To have an average degree of circularity of 0.93 or higher.(3) A volume-median diameter (Dv50) of the toner and population number % of toner particles having a particle diameter of from 2.00 μm to 3.56 μm (Dns) in the toner satisfy the relationship Dns≦0.233 EXP(17.3/Dv50).(4) To have a coefficient of variation in number of 24.0% or lower.(5) To have a volume-median diameter (Dv50) of from 4.0 μm to 7.5 μm.(6) A volume-median diameter (Dv50) of the toner and population number % of toner particles having a particle diameter of from 2.00 μm to 3.56 μm (Dns) in the toner satisfy the relationship Dns≦0.233 EXP(17.3/Dv50).(7) When the charge control agent on the toner surface is cleaned, the resultant depressions have an average diameter of 500 nm or smaller.

8. 发明申请

US20100316412A1 IMAGE FORMING APPARATUS 有权
公开(公告)号：US20100316412A1
公开(公告)日：2010-12-16
申请号：US12849499
申请日：2010-08-03
申请人： Teruyuki MITSUMORI , Kozo Ishio , Hiroaki Takamura , Masaya Oota , Shiho Sano , Takeshi Oowada , Masakazu Sugihara , Teruki Senokuti , Shiro Yasutomi , Yumi Hirabaru
发明人： Teruyuki MITSUMORI , Kozo Ishio , Hiroaki Takamura , Masaya Oota , Shiho Sano , Takeshi Oowada , Masakazu Sugihara , Teruki Senokuti , Shiro Yasutomi , Yumi Hirabaru
IPC分类号： G03G15/00
CPC分类号： G03G13/08 , G03G9/0819 , G03G15/08
摘要： An image forming apparatus comprising an electrophotographic photoreceptor having a photosensitive layer on an electroconductive substrate, and a toner for developing an electrostatic charge image, wherein the photosensitive layer of the electrophotographic photoreceptor contains a phthalocyanine obtained via an acid paste step; the toner for developing an electrostatic charge image is a toner for developing an electrostatic charge image containing toner matrix particles formed in an aqueous medium; the toner has a volume median diameter (Dv50) of from 4.0 μm to 7.0 μm; and the relationship between the volume median diameter (Dv50) and the percentage in number (Dns) of toner particles having a particle diameter of from 2.00 μm to 3.56 μm satisfies the following formula (1): Dns≦0.233 EXP(17.3/Dv50) (1)

9. 发明申请

US20090257776A1 ELECTROPHOTOGRAPHIC PHOTORECEPTOR, IMAGE-FORMING APPARATUS, AND ELECTROPHOTOGRAPHIC CARTRIDGE 审中-公开
标题翻译：电子照相机，成像装置和电子照相机
公开(公告)号：US20090257776A1
公开(公告)日：2009-10-15
申请号：US12301088
申请日：2007-05-18
申请人： Teruyuki Mitsumori , Kozo Ishio , Hiroe Fuchigami
发明人： Teruyuki Mitsumori , Kozo Ishio , Hiroe Fuchigami
IPC分类号： G03G15/00 , G03G5/04
CPC分类号： G03G5/0614 , G03G5/0525 , G03G5/104 , G03G5/144
摘要： Provided is an electrophotographic photoreceptor that is excellent in electric characteristics and can form a high-quality image having reduced ghosting. In the electrophotographic photoreceptor including an undercoat layer containing metal oxide particles and a binder resin on an electroconductive support, and a photosensitive layer disposed on the undercoat layer, the metal oxide particles have a volume average particle diameter of 0.1 μm or less and a 90% cumulative particle diameter of 0.3 μm or less which are measured by a dynamic light-scattering method in a liquid containing the undercoat layer dispersed in a solvent mixture of methanol and 1-propanol at a weight ratio of 7:3; and the photosensitive layer contains a compound represented by the following Formula (I): where Formula (I), Ar1 to Ar6 each independently represent an aromatic moiety that may have a substituent; X represents an organic moiety that may have a substituent; and n1 and n2 each independently represent an integer of 0 to 2.
摘要翻译：本发明提供电特性优异的电子照相感光体，能够形成具有减少重影的高品质图像。在包含在导电载体上含有金属氧化物颗粒和粘合剂树脂的底涂层的电子照相感光体和设置在底涂层上的感光层中，金属氧化物颗粒的体积平均粒径为0.1μm或更小，90％通过动态光散射法在含有分散在甲醇和1-丙醇的溶剂混合物中的底涂层的液体中以7:3的重量比测量的累积粒径为0.3μm或更小的累积粒径; 感光层含有由下式（I）表示的化合物：式（I）中，Ar 1〜Ar 6各自独立地表示可以具有取代基的芳香族部分。 X表示可以具有取代基的有机部分; n1和n2各自独立地表示0〜2的整数。

10. 发明申请

US20090208250A1 ELECTROPHOTOGRAPHIC PHOTORECEPTOR, IMAGE-FORMING APPARATUS, AND ELECTROPHOTOGRAPHIC CARTRIDGE 有权
标题翻译：电子照相机，成像装置和电子照相机
公开(公告)号：US20090208250A1
公开(公告)日：2009-08-20
申请号：US12301121
申请日：2007-05-18
申请人： Teruyuki Mitsumori , Kozo Ishio , Hiroe Fuchigami , Hiroaki Takamura , Yasunori Kawai
发明人： Teruyuki Mitsumori , Kozo Ishio , Hiroe Fuchigami , Hiroaki Takamura , Yasunori Kawai
IPC分类号： G03G15/00 , G03G15/04
CPC分类号： G03G5/144 , G03G5/056 , G03G5/0564 , G03G5/0614 , G03G5/0616
摘要： An electrophotographic photoreceptor having high sensitivity and hardly affected by the transfer in an electrophotographic process is provided. The electrophotographic photoreceptor includes an undercoat layer containing metal oxide particles and a binder resin and a photosensitive layer disposed on the undercoat layer, wherein the metal oxide particles have a volume average particle diameter of 0.1 μm or less and a 90% cumulative particle diameter of 0.3 μm or less which are measured by a dynamic light-scattering method in a liquid of the undercoat layer dispersed in a solvent mixture of methanol and 1-propanol at a weight ratio of 7:3, and the photosensitive layer contains a binder resin having an ester bond.
摘要翻译：提供了具有高灵敏度且几乎不受电子照相方法转印影响的电子照相感光体。电子照相感光体包括含有金属氧化物颗粒和粘合剂树脂的底涂层和设置在底涂层上的感光层，其中金属氧化物颗粒的体积平均粒径为0.1μm以下，90％的累积粒径为0.3 通过动态光散射法在分散在甲醇和1-丙醇的溶剂混合物中的底涂层的液体中以重量比7:3进行测量的感光层含有具有酯键。

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