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1. 发明授权

US08663882B2 Electrophotographic photosensitive body, image-forming device using same and cartridge 有权
标题翻译：电子照相感光体，成像装置使用及墨盒
公开(公告)号：US08663882B2
公开(公告)日：2014-03-04
申请号：US12088322
申请日：2006-09-28
申请人： Teruyuki Mitsumori , Masayuki Hiroi , Hiroaki Takamura
发明人： Teruyuki Mitsumori , Masayuki Hiroi , Hiroaki Takamura
IPC分类号： G03G15/02 , G03G15/00
CPC分类号： G03G5/0696 , G03G5/0564 , G03G5/0614 , G03G5/0657 , G03G5/102 , G03G5/142 , G03G5/144
摘要： To provide an electrophotographic photoreceptor excellent in electric characteristics and various characteristics, capable of forming a uniform photosensitive layer and excellent in repetitive characteristics, an image forming apparatus using it and an electrophotgraphic cartridge.A lamination type electrophotographic photoreceptor comprising an electroconductive substrate and a photosensitive layer formed thereon, characterized in that the photosensitive layer contains a compound represented by the following formula (1), the ratio of the weight of the compound represented by the formula (1) to the weight content of all binder resins contained in the photosensitive layer is from 0.15 to 0.6, and the weight of the compound represented by the formula (1) is maximum among all charge transport materials: wherein each of Ar1, Ar2 and Ar3 is an aryl group which may have a substituent, each of Ar4 and Ar5 which are independent of each other, is an arylene group which may have a substituent, and each of n1 and n2 which are independent of each other, is an integer of from 1 to 3.
摘要翻译：为了提供能够形成均匀的感光层和优异的重复特性的电特性和各种特性的电子照相感光体，使用它的图像形成装置和电子影像盒。一种层叠型电子照相感光体，其特征在于，含有导电性基体和形成在其上的感光层，其特征在于，感光层含有下述式（1）表示的化合物，式（1）表示的化合物的重量与式包含在感光层中的所有粘合剂树脂的重量含量为0.15至0.6，并且所有电荷输送材料中由式（1）表示的化合物的重量是最大的：其中Ar1，Ar2和Ar3各自为芳基可具有取代基的基团，Ar 4和Ar 5各自独立地为可以具有取代基的亚芳基，并且彼此独立的n1和n2各自为1〜3的整数。

2. 发明申请

US20100150608A1 ELECTROPHOTOGRAPHIC PHOTOSENSITIVE BODY, IMAGE-FORMING DEVICE USING SAME AND CARTRIDGE 有权
标题翻译：电子感光体，使用相同和成像的图像形成装置
公开(公告)号：US20100150608A1
公开(公告)日：2010-06-17
申请号：US12088322
申请日：2006-09-28
申请人： Teruyuki Mitsumori , Masayuki Hiroi , Hiroaki Takamura
发明人： Teruyuki Mitsumori , Masayuki Hiroi , Hiroaki Takamura
IPC分类号： G03G15/00 , G03G5/047
CPC分类号： G03G5/0696 , G03G5/0564 , G03G5/0614 , G03G5/0657 , G03G5/102 , G03G5/142 , G03G5/144
摘要： To provide an electrophotographic photoreceptor excellent in electric characteristics and various characteristics, capable of forming a uniform photosensitive layer and excellent in repetitive characteristics, an image forming apparatus using it and an electrophotgraphic cartridge.A lamination type electrophotographic photoreceptor comprising an electroconductive substrate and a photosensitive layer formed thereon, characterized in that the photosensitive layer contains a compound represented by the following formula (1), the ratio of the weight of the compound represented by the formula (1) to the weight content of all binder resins contained in the photosensitive layer is from 0.15 to 0.6, and the weight of the compound represented by the formula (1) is maximum among all charge transport materials: wherein each of Ar1, Ar2 and Ar3 is an aryl group which may have a substituent, each of Ar4 and Ar5 which are independent of each other, is an arylene group which may have a substituent, and each of n1 and n2 which are independent of each other, is an integer of from 1 to 3.
摘要翻译：为了提供能够形成均匀的感光层和优异的重复特性的电特性和各种特性的电子照相感光体，使用它的图像形成装置和电子影像盒。一种层叠型电子照相感光体，其特征在于，含有导电性基体和形成在其上的感光层，其特征在于，感光层含有下述式（1）表示的化合物，式（1）表示的化合物的重量与式包含在感光层中的所有粘合剂树脂的重量含量为0.15至0.6，并且所有电荷输送材料中由式（1）表示的化合物的重量是最大的：其中Ar1，Ar2和Ar3各自为芳基可具有取代基的基团，Ar 4和Ar 5各自独立地为可以具有取代基的亚芳基，并且彼此独立的n1和n2各自为1〜3的整数。

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. 发明申请

US20130309604A1 IMAGE-FORMING APPARATUS AND CARTRIDGE 审中-公开
标题翻译：图像形成装置和盒子
公开(公告)号：US20130309604A1
公开(公告)日：2013-11-21
申请号：US13933918
申请日：2013-07-02
申请人： Mitsuo WADA , Teruyuki Mitsumori , Hiroaki Takamura , Masaya Oota , Teruki Senokuchi , Shiho Sano , Masakazu Sugihara , Shiro Yasutomi , Yumi Hirabaru , Takeshi Oowada
发明人： Mitsuo WADA , Teruyuki Mitsumori , Hiroaki Takamura , Masaya Oota , Teruki Senokuchi , Shiho Sano , Masakazu Sugihara , Shiro Yasutomi , Yumi Hirabaru , Takeshi Oowada
IPC分类号： G03G13/08
CPC分类号： G03G13/08 , G03G5/047 , G03G5/0696 , G03G9/0819 , G03G9/0827 , G03G9/0918 , G03G2215/00957
摘要： An image-forming apparatus including an electrophotographic photoreceptor of which photosensitive layer contains oxytitanium phthalocyanine showing main diffraction peaks at Bragg angles (2θ) of 9.0° and 27.2° and at least one main diffraction peak in the range of 9.3° to 9.8° to CuKα rays, and the toner satisfies all the following requirements (1) to (3): (1) the volume median diameter (Dv50) is 4.0 μm or more and 7.0 μm or less, (2) the average sphericity is 0.93 or more, and (3) the relation between the volume median diameter (Dv50) and the content (% by number: Dns) of toner particles of 2.00 μm or more and 3.56 μm or less satisfies Dns≦0.233EXP(17.3/Dv50).
摘要翻译：包括电子照相感光体的图像形成装置，其感光层含有氧钛酞菁，其在布拉格角（2θ）为9.0°和27.2°的主要衍射峰以及9.3Kg至9.8°范围内的至少一个主要衍射峰并且调色剂满足以下所有要求（1）至（3）：（1）体积中值粒径（Dv50）为4.0μm以上至7.0μm以下，（2）平均球形度为0.93以上，和（3）2.00μm以上至3.56μm以下的调色剂颗粒的体积中值粒径（Dv50）与含量（％（数量：Dns））之间的关系满足Dns@0.233EXP（17.3 / Dv50）。

5. 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.

6. 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)

7. 发明申请

US20100232830A1 PHTHALOCYANINE CRYSTAL, AND ELECTROPHOTOGRAPHIC PHOTORECEPTOR, ELECTROPHOTOGRAPHIC PHOTORECEPTOR CARTRIDGE AND IMAGE-FORMING DEVICE USING THE SAME 有权
标题翻译： PHALALOCYANINE晶体和电子照相光电子产品，电子照相胶卷盒和使用它的成像装置
公开(公告)号：US20100232830A1
公开(公告)日：2010-09-16
申请号：US12293830
申请日：2007-03-20
申请人： Mitsuo Wada , Kazutaka Ida , Teruyuki Mitsumori , Hiroaki Takamura , Tadashi Mizushima
发明人： Mitsuo Wada , Kazutaka Ida , Teruyuki Mitsumori , Hiroaki Takamura , Tadashi Mizushima
IPC分类号： G03G21/16 , G03G5/04 , C09B47/04 , G03G15/00
CPC分类号： G03G5/0696 , C09B47/045 , C09B67/0016 , C09B67/0026
摘要： Provided is an excellent phthalocyanine crystal having high sensitivity and little fluctuation in sensitivity for a humidity change in a use environment and applicable to the martial for solar battery, electronic paper, electrophotographic photoreceptor, etc. Namely, phthalocyanine crystal obtained by bringing a phthalocyanine crystal precursor into contact with an aromatic aldehyde compound to convert the crystal form. Also, provided is an electrophotographic photoreceptor that not only exhibits high sensitivity but also has little fluctuation in sensitivity for a humidity change in a use environment. Further, provided is an electrophotographic photoreceptor cartridge and an image-forming device, both of which can produce a stable quality images for a humidity change in a use environment by using the electrophotographic photoreceptor.
摘要翻译：提供了一种优异的酞菁结晶，其在使用环境中的湿度变化的灵敏度高，灵敏度波动小，适用于太阳能电池，电子纸，电子照相感光体等的武器。即，通过将酞菁结晶前体与芳族醛化合物接触以转化晶体形式。此外，提供了一种电子照相感光体，其不仅表现出高灵敏度，而且在使用环境中对湿度变化的灵敏度几乎没有波动。此外，提供了一种电子照相感光体盒和图像形成装置，它们都可以通过使用电子照相感光体在使用环境中产生用于湿度变化的稳定质量图像。

8. 发明申请

US20090245867A1 ELECTROPHOTOGRAPHIC PHOTORECEPTOR, ELECTROPHOTOGRAPHIC PHOTORECEPTOR CARTRIDGE, AND IMAGE FORMING APPARATUS 审中-公开
标题翻译：电子照相机，电子照相机墨盒和图像形成装置
公开(公告)号：US20090245867A1
公开(公告)日：2009-10-01
申请号：US12091392
申请日：2006-10-26
申请人： Mitsuo Wada , Hiroaki Takamura , Teruyuki Mitsumori , Kazutaka Ida
发明人： Mitsuo Wada , Hiroaki Takamura , Teruyuki Mitsumori , Kazutaka Ida
IPC分类号： G03G15/00 , G03G5/06
CPC分类号： G03G5/0696 , G03G5/0614 , G03G5/0616
摘要： To provide an electrophotographic photoreceptor showing suitable electric characteristics, capable of forming a favorable image even after repeated use for long term and capable of forming a high quality image free from image defects such as a memory phenomenon, an electrophotographic process cartridge using such an electrophotographic photoreceptor, and an image forming apparatus using such an electrophotographic photoreceptor.An electrophotographic photoreceptor comprising a photosensitive layer containing oxytitanium phthalocyanine showing chief diffraction peaks at Bragg angles (2θ±0.2°) of 9.6°, 24.1° and 27.2° to CuKα characteristic X-ray (wavelength: 1.541 Å) obtained by subjecting a phthalocyanine crystal precursor to chemical treatment and then bringing it into contact with an organic solvent, and a hydrazone compound represented by the following formula (1):
摘要翻译：为了提供一种具有合适的电特性的电子照相感光体，即使在长时间重复使用之后也能够形成良好的图像并且能够形成没有诸如记忆现象的图像缺陷的高质量图像，使用这种电子照相感光体的电子照相处理盒以及使用这种电子照相感光体的图像形成装置。一种电子照相感光体，其包含含有氧钛酞菁的感光层，其显示出对于CuKalpha特征X射线（波长：1.541）的布拉格角（2θ±0.2°）为9.6°，24.1°和27.2°的主要衍射峰，化学处理的前体，然后使其与有机溶剂接触，和由下式（1）表示的腙化合物：

9. 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。

10. 发明授权

US08404411B2 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：US08404411B2
公开(公告)日：2013-03-26
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： G03G5/14
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 μm以下，其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的比例测量，并且感光层含有具有酯键。

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