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1. 发明授权

US08486594B2 P-terphenyl compound mixture and electrophotographic photoreceptors made by using the same 有权
标题翻译：对三联苯化合物混合物和使用它们的电子照相感光体
公开(公告)号：US08486594B2
公开(公告)日：2013-07-16
申请号：US12161964
申请日：2007-01-24
申请人： Shinya Nagai , Atsushi Takesue , Makoto Koike , Katsumi Abe , Takehiro Nakajima
发明人： Shinya Nagai , Atsushi Takesue , Makoto Koike , Katsumi Abe , Takehiro Nakajima
IPC分类号： G03G5/06
CPC分类号： G03G5/0618 , C07C211/54 , G03G5/0614 , G03G5/0696
摘要： An object of the invention is to provide: a p-terphenyl compound mixture useful as a charge-transporting agent which has improved solubility in organic solvents to thereby diminish a cracking phenomenon, which poses problems concerning photoreceptor characteristics, and can realize an electrophotographic photoreceptor having high sensitivity and high durability; and an electrophotographic photoreceptor employing the compound mixture. The invention relates to: a p-terphenyl compound mixture which includes two symmetric p-terphenyl compounds respectively represented by the following general formula (1) and general formula (2) and an asymmetric p-terphenyl compound represented by the following general formula (3) which has both a group of substituents of the compound represented by general formula (1) and a group of substituents of the compound represented by general formula (2); and an electrophotographic photoreceptor containing the compound mixture.
摘要翻译：本发明的目的是提供：可用作电荷输送剂的对三联苯化合物混合物，其在有机溶剂中具有改善的溶解度从而减少裂纹现象，这导致关于感光体特性的问题，并且可以实现具有高灵敏度和高耐用性; 和使用该化合物混合物的电子照相感光体。本发明涉及：对三联苯化合物混合物，其包含分别由以下通式（1）和通式（2）表示的两个对称的对三联苯化合物和由以下通式（3）表示的不对称对三联苯化合物），其具有由通式（1）表示的化合物的一组取代基和由通式（2）表示的化合物的取代基的一组; 和含有该化合物混合物的电子照相感光体。

2. 发明授权

US07919219B2 Electrophotographic photosensitive body 有权
标题翻译：电子照相感光体
公开(公告)号：US07919219B2
公开(公告)日：2011-04-05
申请号：US11720078
申请日：2005-11-21
申请人： Katsumi Abe , Atsushi Takesue , Takehiro Nakajima , Makoto Koike , Shinya Nagai
发明人： Katsumi Abe , Atsushi Takesue , Takehiro Nakajima , Makoto Koike , Shinya Nagai
IPC分类号： G03G5/00
CPC分类号： G03G5/0517 , G03G5/051 , G03G5/0514 , G03G5/0521 , G03G5/0614 , G03G5/0633 , G03G5/0679 , G03G5/0685
摘要： An object of the present invention is to provide an electrophotographic photosensitive body which is not impaired in electrophotographic characteristics such as charged potential and residual potential, and which is also excellent in repeating stability. The present invention provides an electrophotographic photosensitive body including a conductive support having thereon a layer containing a specific p-terphenyl compound and at least one additive.
摘要翻译：本发明的目的是提供一种电子照相感光体，其不会损害诸如带电电位和残留电位的电子照相特性，并且其重复稳定性也优异。本发明提供一种电子照相感光体，其包括导电性载体，其上具有含有特定的对三联苯化合物和至少一种添加剂的层。

3. 发明授权

US07790342B2 Electrophotographic photosensitive body 有权
标题翻译：电子照相感光体
公开(公告)号：US07790342B2
公开(公告)日：2010-09-07
申请号：US11719863
申请日：2005-11-21
申请人： Katsumi Abe , Atsushi Takesue , Takehiro Nakajima , Makoto Koike , Shinya Nagai
发明人： Katsumi Abe , Atsushi Takesue , Takehiro Nakajima , Makoto Koike , Shinya Nagai
IPC分类号： G03G5/06
CPC分类号： G03G5/102 , G03G5/0564 , G03G5/0614 , G03G5/0679 , G03G5/0681 , G03G5/0685 , G03G5/0696
摘要： An object of the present invention is to provide an electrophotographic photosensitive body having improved electrophotographic characteristics such as sensitivity and residual potential and also having excellent durability. The present invention provides an electrophotographic photosensitive body having a layer containing at least one specific p-terphenyl compound and at least one polycarbonate resin represented by the general formula (I): in a mass ratio of the p-terphenyl compound to the polycarbonate resin within the range of 2:8 to 7:3.
摘要翻译：本发明的目的是提供一种电子照相感光体，其具有改善的电子照相特性，例如灵敏度和残留电位，并且还具有优异的耐久性。本发明提供一种电子照相感光体，其具有含有至少一种特定对三联苯化合物的层和至少一种由通式（I）表示的聚碳酸酯树脂：以对三联苯化合物与聚碳酸酯树脂的质量比范围为2：8至7：3。

4. 发明申请

US20090226830A1 ELECTROPHOTOGRAPHIC PHOTOSENSITIVE BODY 有权
标题翻译：电子感光体
公开(公告)号：US20090226830A1
公开(公告)日：2009-09-10
申请号：US11719863
申请日：2005-11-21
申请人： Katsumi Abe , Atsushi Takesue , Takehiro Nakajima , Makoto Koike , Shinya Nagai
发明人： Katsumi Abe , Atsushi Takesue , Takehiro Nakajima , Makoto Koike , Shinya Nagai
IPC分类号： G03G15/04
CPC分类号： G03G5/102 , G03G5/0564 , G03G5/0614 , G03G5/0679 , G03G5/0681 , G03G5/0685 , G03G5/0696
摘要： An object of the present invention is to provide an electrophotographic photosensitive body having improved electrophotographic characteristics such as sensitivity and residual potential and also having excellent durability. The present invention provides an electrophotographic photosensitive body having a layer containing at least one specific p-terphenyl compound and at least one polycarbonate resin represented by the general formula (I): in a mass ratio of the p-terphenyl compound to the polycarbonate resin within the range of 2:8 to 7:3.
摘要翻译：本发明的目的是提供一种电子照相感光体，其具有改善的电子照相特性，例如灵敏度和残留电位，并且还具有优异的耐久性。本发明提供一种电子照相感光体，其具有含有至少一种特定对三联苯化合物的层和至少一种由通式（I）表示的聚碳酸酯树脂：以对三联苯化合物与聚碳酸酯树脂的质量比范围为2：8至7：3。

5. 发明申请

US20080044750A1 Electrophotographic Photosensitive Body 有权
标题翻译：电子照相感光体
公开(公告)号：US20080044750A1
公开(公告)日：2008-02-21
申请号：US11720078
申请日：2005-11-21
申请人： Katsumi Abe , Atsushi Takesue , Takehiro Nakajima , Makoto Koike , Shinya Nagai
发明人： Katsumi Abe , Atsushi Takesue , Takehiro Nakajima , Makoto Koike , Shinya Nagai
IPC分类号： G03G5/00
CPC分类号： G03G5/0517 , G03G5/051 , G03G5/0514 , G03G5/0521 , G03G5/0614 , G03G5/0633 , G03G5/0679 , G03G5/0685
摘要： An object of the present invention is to provide an electrophotographic photosensitive body which is not impaired in electrophotographic characteristics such as charged potential and residual potential, and which is also excellent in repeating stability. The present invention provides an electrophotographic photosensitive body including a conductive support having thereon a layer containing a specific p-terphenyl compound and at least one additive.
摘要翻译：本发明的目的是提供一种电子照相感光体，其不会损害诸如带电电位和残留电位的电子照相特性，并且其重复稳定性也优异。本发明提供一种电子照相感光体，其包括导电性载体，其上具有含有特定的对三联苯化合物和至少一种添加剂的层。

6. 发明申请

US20100291480A1 ELECTROPHOTOGRAPHIC PHOTOSENSITIVE BODY 审中-公开
标题翻译：电子感光体
公开(公告)号：US20100291480A1
公开(公告)日：2010-11-18
申请号：US12840679
申请日：2010-07-21
申请人： Katsumi ABE , Atsushi Takesue , Takehiro Nakajima , Makoto Koike , Shinya Nagai
发明人： Katsumi ABE , Atsushi Takesue , Takehiro Nakajima , Makoto Koike , Shinya Nagai
IPC分类号： G03G5/04
CPC分类号： G03G5/102 , G03G5/0564 , G03G5/0614 , G03G5/0679 , G03G5/0681 , G03G5/0685 , G03G5/0696
摘要： An object of the present invention is to provide an electrophotographic photosensitive body having improved electrophotographic characteristics such as sensitivity and residual potential and also having excellent durability. The present invention provides an electrophotographic photosensitive body having a layer containing at least one specific p-terphenyl compound and at least one polycarbonate resin represented by the general formula (I): in a mass ratio of the p-terphenyl compound to the polycarbonate resin within the range of 2:8 to 7:3.
摘要翻译：本发明的目的是提供一种电子照相感光体，其具有改善的电子照相特性，例如灵敏度和残留电位，并且还具有优异的耐久性。本发明提供一种电子照相感光体，其具有含有至少一种特定对三联苯化合物的层和至少一种由通式（I）表示的聚碳酸酯树脂：以对三联苯化合物与聚碳酸酯树脂的质量比范围为2：8至7：3。

7. 发明申请

US20090053633A1 P-TERPHENYL COMPOUND MIXTURE AND ELECTROPHOTOGRAPHIC PHOTORECEPTORS MADE BY USING THE SAME 有权
标题翻译：对苯二酚复合混合物和使用该化合物的电子照相机
公开(公告)号：US20090053633A1
公开(公告)日：2009-02-26
申请号：US12161964
申请日：2007-01-24
申请人： Shinya Nagai , Atsushi Takesue , Makoto Koike , Katsumi Abe , Takehiro Nakajima
发明人： Shinya Nagai , Atsushi Takesue , Makoto Koike , Katsumi Abe , Takehiro Nakajima
IPC分类号： G03G5/04
CPC分类号： G03G5/0618 , C07C211/54 , G03G5/0614 , G03G5/0696
摘要： An object of the invention is to provide: a p-terphenyl compound mixture useful as a charge-transporting agent which has improved solubility in organic solvents to thereby diminish a cracking phenomenon, which poses problems concerning photoreceptor characteristics, and can realize an electrophotographic photoreceptor having high sensitivity and high durability; and an electrophotographic photoreceptor employing the compound mixture. The invention relates to: a p-terphenyl compound mixture which includes two symmetric p-terphenyl compounds respectively represented by the following general formula (1) and general formula (2) and an asymmetric p-terphenyl compound represented by the following general formula (3) which has both a group of substituents of the compound represented by general formula (1) and a group of substituents of the compound represented by general formula (2); and an electrophotographic photoreceptor containing the compound mixture.
摘要翻译：本发明的目的是提供：可用作电荷输送剂的对三联苯化合物混合物，其在有机溶剂中具有改善的溶解度从而减少裂纹现象，这导致关于感光体特性的问题，并且可以实现具有高灵敏度和高耐用性; 和使用该化合物混合物的电子照相感光体。本发明涉及：对三联苯化合物混合物，其包含分别由以下通式（1）和通式（2）表示的两个对称对三联苯化合物和由以下通式（3）表示的不对称对三联苯化合物），其具有由通式（1）表示的化合物的一组取代基和由通式（2）表示的化合物的取代基的一组; 和含有该化合物混合物的电子照相感光体。

8. 发明申请

US20120052427A1 INDOLE DERIVATIVES 审中-公开
标题翻译： INDOLE DORIVATIVES
公开(公告)号：US20120052427A1
公开(公告)日：2012-03-01
申请号：US13266987
申请日：2010-07-21
申请人： Shigetaka Numazawa , Katsumi Abe , Kiyotaka Ihara , Takehiro Nakajima , Makoto Koike
发明人： Shigetaka Numazawa , Katsumi Abe , Kiyotaka Ihara , Takehiro Nakajima , Makoto Koike
IPC分类号： G03G5/047 , C07D209/94
CPC分类号： C07D209/94 , C07D401/04 , C07D401/12 , C07D401/14 , C07D471/04 , C07D491/052 , C07D495/04 , G03G5/0629 , G03G5/0698
摘要： [Problems] To provide a novel compound having a high carrier mobility and is useful as a charge transporting agent which not only makes it possible to stably form a photosensitive layer without precipitating crystals or without developing pinholes when the photosensitive layer is being formed but also makes it possible to form an organic photosensitive material for electrophotography of a high sensitivity and a low residual potential.[Means for Solution] An indole derivative represented by the following general formula (1), wherein R1 and R2 are alkyl groups, k is an integer of 0 to 3, j is an integer of 0 to 4, a ring Z is a 5- to 6-membered ring and is, specifically, a cyclopentane ring, and X1 and X2 are hydrocarbon groups having at least one ethylenically unsaturated bond.
摘要翻译： [问题]提供具有高载流子迁移率的新化合物，并且可用作电荷输送剂，其不仅可以在形成感光层时不会沉淀晶体或不产生显影针孔而稳定地形成感光层，而且可以使可以形成高灵敏度和低残留电位的电子照相用有机感光材料。 [解决方案]由以下通式（1）表示的吲哚衍生物，其中R1和R2是烷基，k是0-3的整数，j是0-4的整数，环Z是5 至6元环，具体为环戊烷环，X 1和X 2为具有至少一个烯属不饱和键的烃基。

9. 发明申请

US20130071780A1 TRIPHENYLAMINE DERIVATIVES 审中-公开
标题翻译：三苯胺衍生物
公开(公告)号：US20130071780A1
公开(公告)日：2013-03-21
申请号：US13697103
申请日：2011-06-22
申请人： Shigetaka Numazawa , Katsumi Abe , Kiyotaka Ihara , Takehiro Nakajima , Makoto Koike
发明人： Shigetaka Numazawa , Katsumi Abe , Kiyotaka Ihara , Takehiro Nakajima , Makoto Koike
IPC分类号： C07C211/60
CPC分类号： C07C211/60 , C07C217/94 , C07C2602/08 , C07C2602/10 , C07C2603/18 , G03G5/0542 , G03G5/0564 , G03G5/0571 , G03G5/0614 , G03G5/0696 , G03G5/14708 , G03G5/14756
摘要： [Problems] To provide a novel compound useful as an electric charge transporting agent having a high carrier mobility, and making it possible not only to stably form a photosensitive layer without precipitating crystals or developing pinholes when the photosensitive layer is being formed but also to prepare an organic photosensitive material for electrophotography featuring a high sensitivity and a low residual potential.[Means for Solution] The compound is represented by the following general formula (1); In the general formula (1), R1 to R7 are, for example, alkyl groups, X1 is, for example, —CH═CH—CH═CH2, X2 is, for example, —CH═CH2, and k and l are integers of 0 to 4.
摘要翻译： [问题]提供一种可用作具有高载流子迁移率的电荷输送剂的新型化合物，并且不仅在形成感光层时不仅稳定地形成感光层而不析出晶体或显影针孔，而且可制备用于电子照相的有机感光材料，具有高灵敏度和低残留电位。 [解决方案]该化合物由以下通式（1）表示：在通式（1）中，R 1至R 7为例如烷基，X 1为例如-CH = CH-CH = CH 2，X 2为例如-CH = CH 2，且k为l 整数为0〜4。

10. 发明授权

US08861036B2 Image forming apparatus and density correction method 有权
标题翻译：图像形成装置和密度校正方法
公开(公告)号：US08861036B2
公开(公告)日：2014-10-14
申请号：US13796020
申请日：2013-03-12
申请人： Takehiro Nakajima
发明人： Takehiro Nakajima
IPC分类号： H04N1/407 , H04N1/60 , G06K15/02 , H04N1/40 , H04N1/00
CPC分类号： G06K15/1872 , H04N1/00015 , H04N1/00034 , H04N1/00045 , H04N1/00068 , H04N1/40006 , H04N1/407 , H04N1/6027 , H04N1/6033
摘要： An image forming apparatus having density correction characteristic data and a section to execute density conversion on input image data includes a section to generate detecting patterns with multiple area ratios, a section to create images of the patterns on an image bearing member, a section to detect the images of the patterns created on the image bearing member, a section to hold detected values corresponding to the images of the patterns detected from the image bearing member, a section to obtain fixed values or previously detected values as target values for correction, and correction coefficients, a section to calculate a correction characteristic corresponding to the detecting patterns from the obtained target values, the detected values, and correction coefficients, and a section to synthesize new density correction characteristic data from the density correction characteristic data and the correction characteristic corresponding to the patterns.
摘要翻译：具有浓度校正特性数据的图像形成装置和对输入图像数据执行浓度转换的部分包括：生成具有多个面积比的检测图案的部分，在图像承载部件上产生图案的部分，检测部分在图像承载部件上形成的图案的图像，保持对应于从图像承载部件检测到的图案的图像的检测值的部分，获得固定值的部分或作为用于校正的目标值的先前检测值的部分，以及校正系数，从所获得的目标值，检测值和校正系数中计算与检测图案相对应的校正特性的部分，以及从密度校正特性数据和对应于模式。

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