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1. 发明授权

US5578405A Electrophotographic photoconductor containing disazo and trisazo pigments 失效
标题翻译：含有双偶氮和三偶氮颜料的电子照相感光体
公开(公告)号：US5578405A
公开(公告)日：1996-11-26
申请号：US323347
申请日：1994-10-14
申请人： Takaaki Ikegami , Eiji Kurimoto , Takashi Rokutanzono , Katsuichi Ohta , Masaomi Sasaki , Yasuo Suzuki , Kaoru Tadokoro , Megumi Kawahara , Masayuki Koyano
发明人： Takaaki Ikegami , Eiji Kurimoto , Takashi Rokutanzono , Katsuichi Ohta , Masaomi Sasaki , Yasuo Suzuki , Kaoru Tadokoro , Megumi Kawahara , Masayuki Koyano
IPC分类号： G03G5/06
CPC分类号： G03G5/0614 , G03G5/0605 , G03G5/0607 , G03G5/0609 , G03G5/0616 , G03G5/0629 , G03G5/067 , G03G5/0674 , G03G5/0679 , G03G5/0687 , Y10S430/103
摘要： An electrophotographic photoconductor includes an electroconductive support and a single-layered photoconductive layer formed thereon, containing a charge transporting material, a binder resin, and a simultaneously pulverized mixture including at least one disazo pigment of formula (1) and at least one trisazo pigment of formula (2), which is obtained by simultaneously pulverizing those azo pigments: ##STR1## wherein R.sup.1 and R.sup.2 each is hydrogen, a halogen atom, trifluoromethyl group, nitro group or cyano group; R.sup.3 is hydrogen, chlorine, fluorine, iodine, bromine, nitro group or cyano group; and Ar.sup.1, Ar.sup.2 and Ar.sup.3 each is a coupler radical, which may be the same or different.
摘要翻译：电子照相感光体包括导电载体和形成在其上的单层光导电层，其中含有电荷输送材料，粘合剂树脂和同时粉碎的混合物，其包含至少一种式（1）的双偶氮颜料和至少一种三偶氮颜料（2）其中R1和R2各自为氢，卤素原子，三氟甲基，硝基或氰基;（2）通过同时粉碎这些偶氮颜料获得的式（2） R3是氢，氯，氟，碘，溴，硝基或氰基; Ar 1，Ar 2和Ar 3各自为可以相同或不同的成色剂基团。

2. 发明授权

US5863683A Electrophotographic photoconductor containing charge generating azo pigment subjected to a salt-milling process 失效
标题翻译：含有电荷产生偶氮颜料的电子照相感光体进行盐研磨处理
公开(公告)号：US5863683A
公开(公告)日：1999-01-26
申请号：US724010
申请日：1996-09-30
申请人： Katsuichi Ohta , Masaomi Sasaki , Tamotsu Aruga
发明人： Katsuichi Ohta , Masaomi Sasaki , Tamotsu Aruga
IPC分类号： G03G5/06
CPC分类号： G03G5/0677 , G03G5/0679
摘要： An electrophotographic photoconductor composed of an electroconductive support and a photoconductive layer formed thereon, which contains as a charge generating material an azo pigment subjected to a salt milling process.
摘要翻译：由导电载体和形成在其上的光电导层组成的电子照相感光体，其包含作为电荷产生材料的经过盐磨加工的偶氮颜料。

3. 发明授权

US06844124B2 Electrophotographic photoreceptor, method for manufacturing the photoreceptor, and image forming method and apparatus using the photoreceptor 有权
标题翻译：电子照相感光体，感光体的制造方法以及使用感光体的成像方法和装置
公开(公告)号：US06844124B2
公开(公告)日：2005-01-18
申请号：US10638637
申请日：2003-08-12
申请人： Hiroshi Ikuno , Hidetoshi Kami , Ryohichi Kitajima , Narihito Kojima , Akihiko Matsuyama , Hiroshi Nagame , Katsuichi Ohta , Tetsuro Suzuki , Nozomu Tamoto , Hiroshi Tamura , Yohta Sakon , Eiji Kurimoto , Tatsuya Niimi , Yuka Miyamoto
发明人： Hiroshi Ikuno , Hidetoshi Kami , Ryohichi Kitajima , Narihito Kojima , Akihiko Matsuyama , Hiroshi Nagame , Katsuichi Ohta , Tetsuro Suzuki , Nozomu Tamoto , Hiroshi Tamura , Yohta Sakon , Eiji Kurimoto , Tatsuya Niimi , Yuka Miyamoto
IPC分类号： G03G5/00 , G03G5/05 , G03G5/07 , G03G5/147 , G03G15/02
CPC分类号： G03G5/0507 , G03G5/147 , G03G5/14704
摘要： An electrophotographic photoreceptor including an electroconductive substrate; a photosensitive layer located overlying the electroconductive substrate and including a resin; and a surface layer including a filler and a binder resin, wherein the surface layer and the photosensitive layer have a continuous structure, and wherein the surface layer satisfies the following relationship: σ≦D/5, wherein D represents an average of maximum thicknesses of the surface layer in units of micrometers in 20 segments of 5 μm wide when a portion of a cross section of the photoreceptor of 100 μm wide is divided into the 20 segments, and σ represents a standard deviation of the 20 maximum thicknesses.
摘要翻译：包含导电基片的电子照相感光体; 位于导电基底上方并包括树脂的感光层; 以及包含填料和粘合剂树脂的表面层，其中所述表面层和感光层具有连续的结构，并且其中所述表面层满足以下关系：σ≤D/ 5，其中D表示最大厚度的平均值的表面层，当100μm宽的感光体的横截面的一部分被划分为20个区段时，20微米宽的5个区段中的微米单位为微米，而σ为20个最大厚度的标准偏差。

4. 发明授权

US06641964B2 Electrophotographic photoreceptor, method for manufacturing the photoreceptor, and image forming method and apparatus using the photoreceptor 有权
公开(公告)号：US06641964B2
公开(公告)日：2003-11-04
申请号：US09985348
申请日：2001-11-02
申请人： Hiroshi Ikuno , Hidetoshi Kami , Ryohichi Kitajima , Narihito Kojima , Akihiko Matsuyama , Hiroshi Nagame , Katsuichi Ohta , Tetsuro Suzuki , Nozomu Tamoto , Hiroshi Tamura , Yohta Sakon , Eiji Kurimoto , Tatsuya Niimi , Yuka Miyamoto
发明人： Hiroshi Ikuno , Hidetoshi Kami , Ryohichi Kitajima , Narihito Kojima , Akihiko Matsuyama , Hiroshi Nagame , Katsuichi Ohta , Tetsuro Suzuki , Nozomu Tamoto , Hiroshi Tamura , Yohta Sakon , Eiji Kurimoto , Tatsuya Niimi , Yuka Miyamoto
IPC分类号： G03G514
CPC分类号： G03G5/0507 , G03G5/147 , G03G5/14704
摘要： An electrophotographic photoreceptor including an electroconductive substrate; a photosensitive layer located overlying the electroconductive substrate and including a resin; and a surface layer including a filler and a binder resin, wherein the surface layer and the photosensitive layer have a continuous structure, and wherein the surface layer satisfies the following relationship: &sgr;≦D/5, wherein D represents an average of maximum thicknesses of the surface layer in units of micrometers in 20 segments of 5 &mgr;m wide when a portion of a cross section of the photoreceptor of 100 &mgr;m wide is divided into the 20 segments, and &sgr; represents a standard deviation of the 20 maximum thicknesses.

5. 发明授权

US5370954A Photoconductive composition containing trisazo and disazo compounds 失效
标题翻译：含有三偶氮和二偶氮化合物的光导组合物
公开(公告)号：US5370954A
公开(公告)日：1994-12-06
申请号：US46800
申请日：1993-04-16
申请人： Katsuichi Ohta , Masaomi Sasaki , Mitsuru Hashimoto , Kazuya Ishida , Tomoyuki Shimada
发明人： Katsuichi Ohta , Masaomi Sasaki , Mitsuru Hashimoto , Kazuya Ishida , Tomoyuki Shimada
IPC分类号： C09B35/039 , C09B35/378 , C09B67/22 , G03G5/06 , G03G5/047
CPC分类号： C09B67/0046 , C09B35/039 , C09B35/378 , G03G5/0679 , G03G5/0681 , G03G5/0687 , G03G5/0688
摘要： An electrophotographic photoconductor is composed of an electroconductive support and a photoconductive layer formed thereon which contains a charge generating material and a charge transporting material. The charge generating material is composed of a particular triasazo compound and a particular disazo compound. A photoconductive composition useful as a photoconductive material is also composed of the trisazo compound and the disazo compound.
摘要翻译：电子照相感光体由导电载体和形成在其上的光电导层组成，其中含有电荷产生材料和电荷输送材料。电荷产生材料由特定的三偶氮化合物和特定的双偶氮化合物组成。用作光电导材料的光导组合物也由三偶氮化合物和双偶氮化合物组成。

6. 发明申请

US20050175911A1 Photoconductor, image forming apparatus, image forming process, and process cartridge 有权
标题翻译：感光体，成像装置，成像处理和处理盒
公开(公告)号：US20050175911A1
公开(公告)日：2005-08-11
申请号：US10974814
申请日：2004-10-28
申请人： Nozomu Tamoto , Tatsuya Niimi , Tetsuro Suzuki , Katsuichi Ohta
发明人： Nozomu Tamoto , Tatsuya Niimi , Tetsuro Suzuki , Katsuichi Ohta
IPC分类号： G03G5/047 , G03G5/05 , G03G5/06 , G03G5/07 , G03G15/02
CPC分类号： G03G5/0592 , G03G5/0546 , G03G5/0589 , G03G5/0696 , G03G5/071
摘要： The object of the present invention is to provide a photoconductor that is highly sensitive, stable in image quality under repeated usages, and affords prolonged life. In order attain the object, a photoconductor is provided that comprises a charge generating layer, a charge transporting layer, and a crosslinked charge transporting layer, on an substrate in order, the charge generating layer contains titanyl phthalocyanine crystal particles that exhibit a highest peak at 27.2°, main peaks at 9.4°, 9.6° and 24.0°, a peak at 7.3° as the lowest angle, and with no peaks in a range between 7.3° and 9.4°, and with no peak at 26.3° as Bragg 2θangles (±0.2°) in terms of CuK-α characteristic X-ray wavelength at 1.542 Å, and the averaged primary particle size of the titanyl phthalocyanine crystal particles is 0.25 μm or less, and the crosslinked charge transporting layer contains a reaction product of a radical polymerizable monomer having three or more functionalities and no charge transporting structure and a radical polymerizable compound having one functionality and a charge transporting structure, and the thickness of the crosslinked charge transporting layer is 1 to 10 μm.
摘要翻译：本发明的目的是提供一种在重复使用下具有高灵敏度，稳定的图像质量的感光体，并且延长使用寿命。为了达到该目的，提供了一种光电导体，其包括电荷产生层，电荷输送层和交联的电荷输送层，依次在基板上，电荷产生层含有氧化钛酞菁晶体颗粒，其在 27.2°，主峰在9.4°，9.6°和24.0°，最低角为7.3°的峰值，7.3°和9.4°之间的峰值没有峰值，在26.3°没有峰值作为布拉格二角形 ±0.2°），钛氧酞菁结晶粒子的平均一次粒径为0.25μm以下，交联电荷输送层含有自由基的反应产物具有三个或更多个官能团和无电荷输送结构的可聚合单体和具有一个官能度和电荷输送结构的自由基聚合性化合物，以及交联的c 输送层为1〜10毫米。

7. 发明申请

US20050069797A1 Electrophotographic photoreceptor, method for manufacturing the electrophotographic photoreceptor, and image forming apparatus and process cartridge using the electrophotographic photoreceptor 有权
标题翻译：电子照相感光体，电子照相感光体的制造方法以及使用电子照相感光体的成像设备和处理盒
公开(公告)号：US20050069797A1
公开(公告)日：2005-03-31
申请号：US10944614
申请日：2004-09-20
申请人： Tatsuya Niimi , Nozomu Tamoto , Katsuichi Ohta
发明人： Tatsuya Niimi , Nozomu Tamoto , Katsuichi Ohta
IPC分类号： G03G5/06 , G03G5/14
CPC分类号： G03G5/144 , G03G5/0696 , G03G5/142
摘要： A photoreceptor including an electroconductive substrate; and a charge blocking layer; a moiré preventing layer; and a photosensitive layer, which are overlaid overlying the substrate in this order, wherein the photosensitive layer includes a titanyl phthalocyanine crystal which has an average primary particle diameter not greater than 0.25 μm, and has an X-ray diffraction spectrum such that a maximum peak is observed at a Bragg (2θ) angle of 27.2°±0.2°; a peak is observed at Bragg (2θ) angle of 9.4°±0.2°, 9.6±0.2° and 24.0±0.2°; a lowest angle peak is observed at an angle of 7.3°±0.2°; no peak is observed between the lowest angle peak and the 9.4° peak; and no peak is observed at a Bragg (2θ) angle of 26.3°±0.2°, when a Cu—Kα X-ray having a wavelength of 0.1542 nm (1.542 Å) is used.
摘要翻译：包含导电基片的感光体; 和电荷阻挡层; 莫尔防止层; 和感光层，其以此顺序覆盖在基板上，其中感光层包括平均一次粒径不大于0.25μm的钛酞菁晶体，并具有X射线衍射光谱，使得最大峰值在26.2°±0.2°的Bragg（2θ）角度观察到; 在布拉格（2θ）角为9.4°±0.2°，9.6±0.2°和24.0±0.2°时观察到峰值。在7.3°±0.2°的角度观察到最低角度峰值; 在最低角峰和9.4°峰之间没有观察到峰; 当使用波长为0.1542nm（1.542）的Cu-Kalpha X射线时，在26.3°±0.2°的Bragg（2θ）角度下没有观察到峰。

8. 发明授权

US07507511B2 Electrophotographic photoreceptor, and image forming apparatus and process cartridge therefor using the electrophotographic photoreceptor 有权
标题翻译：电子照相感光体，以及使用电子照相感光体的成像设备及其处理盒
公开(公告)号：US07507511B2
公开(公告)日：2009-03-24
申请号：US11332545
申请日：2006-01-17
申请人： Nozomu Tamoto , Tatsuya Niimi , Maiko Koeda , Tetsuro Suzuki , Takehiko Kinoshita , Suzuka Nozoe , Katsuichi Ohta
发明人： Nozomu Tamoto , Tatsuya Niimi , Maiko Koeda , Tetsuro Suzuki , Takehiko Kinoshita , Suzuka Nozoe , Katsuichi Ohta
IPC分类号： G03G15/04
CPC分类号： G03G5/142 , G03G5/043 , G03G5/0546 , G03G5/0589 , G03G5/0592 , G03G5/071 , G03G5/144
摘要： An electrophotographic photoreceptor, including: an electroconductive substrate; a first undercoat layer including no metal oxide, located overlying the electroconductive substrate; a second undercoat layer including a metal oxide and a binder resin, located overlying the first undercoat layer; and a photosensitive layer located overlying the second undercoat layer, wherein the metal oxide included in the second undercoat layer has a specific resistivity not less than 107 Ω·cm and a block isocyanate compound.
摘要翻译：一种电子照相感光体，包括：导电性基体; 不包含位于导电基片上的金属氧化物的第一底涂层; 第二底涂层，包括位于第一底涂层上的金属氧化物和粘合剂树脂; 以及位于第二底涂层上的感光层，其中包含在第二底涂层中的金属氧化物具有不小于107Ω·cm的电阻率和嵌段异氰酸酯化合物。

9. 发明授权

US07371491B2 Electrophotographic photoreceptor, method for manufacturing the electrophotographic photoreceptor, and image forming apparatus and process cartridge using the electrophotographic photoreceptor 有权
标题翻译：电子照相感光体，电子照相感光体的制造方法以及使用电子照相感光体的成像设备和处理盒
公开(公告)号：US07371491B2
公开(公告)日：2008-05-13
申请号：US10944614
申请日：2004-09-20
申请人： Tatsuya Niimi , Nozomu Tamoto , Katsuichi Ohta
发明人： Tatsuya Niimi , Nozomu Tamoto , Katsuichi Ohta
IPC分类号： G03G5/047 , G03G5/14
CPC分类号： G03G5/144 , G03G5/0696 , G03G5/142
摘要： A photoreceptor including an electroconductive substrate; and a charge blocking layer; a moiré preventing layer; and a photosensitive layer, which are overlaid overlying the substrate in this order, wherein the photosensitive layer includes a titanyl phthalocyanine crystal which has an average primary particle diameter not greater than 0.25 μm, and has an X-ray diffraction spectrum such that a maximum peak is observed at a Bragg (2θ) angle of 27.2°±0.2°; a peak is observed at Bragg (2θ) angle of 9.4°±0.2°, 9.6±0.2° and 24.0±0.2°; a lowest angle peak is observed at an angle of 7.3°±0.2°; no peak is observed between the lowest angle peak and the 9.4° peak; and no peak is observed at a Bragg (2θ) angle of 26.3°±0.2°, when a Cu—Kα X-ray having a wavelength of 0.1542 nm (1.542 Å) is used.
摘要翻译：包含导电基片的感光体; 和电荷阻挡层; 莫尔防止层; 和感光层，其以此顺序覆盖在基板上，其中感光层包括平均一次粒径不大于0.25μm的钛酞菁晶体，并具有X射线衍射光谱，使得最大峰值在26.2°±0.2°的Bragg（2θ）角度观察到; 在布拉格（2θ）角为9.4°±0.2°，9.6±0.2°和24.0±0.2°时观察到峰值。在7.3°±0.2°的角度观察到最低角度峰值; 在最低角峰和9.4°峰之间没有观察到峰; 当使用波长为0.1542nm（1.542）的Cu-Kalpha X射线时，在26.3°±0.2°的Bragg（2θ）角度下没有观察到峰。

10. 发明授权

US06326112B1 Electrophotographic photoreceptor, and process cartridge and image forming apparatus using the photoreceptor 有权
标题翻译：电子照相感光体，以及使用感光体的处理盒和成像装置
公开(公告)号：US06326112B1
公开(公告)日：2001-12-04
申请号：US09642117
申请日：2000-08-21
申请人： Hiroshi Tamura , Hidetoshi Kami , Katsuichi Ohta , Tetsuro Suzuki , Tatsuya Niimi , Narihito Kojima
发明人： Hiroshi Tamura , Hidetoshi Kami , Katsuichi Ohta , Tetsuro Suzuki , Tatsuya Niimi , Narihito Kojima
IPC分类号： G03G5047
CPC分类号： G03G5/076
摘要： An electrophotographic photoreceptor which includes an electroconductive substrate, and a photosensitive layer which is formed overlying the substrate, wherein the photosensitive layer includes a charge generation material, a charge transport polymer material including triarylamine structure and a soft segment in a main chain thereof, and a filler.
摘要翻译：一种电子照相感光体，包括导电性基体和形成在基材上的感光层，其中感光层包括电荷产生材料，包含三芳胺结构的电荷传输聚合物材料和主链中的软链段，填料。

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