公开(公告)号：US09034544B2

公开(公告)日：2015-05-19

申请号：US13412179

申请日：2012-03-05

申请人： Katsumi Nukada ,  Wataru Yamada ,  Tomoya Sasaki ,  Yuko Iwadate ,  Kenji Kajiwara

发明人： Katsumi Nukada ,  Wataru Yamada ,  Tomoya Sasaki ,  Yuko Iwadate ,  Kenji Kajiwara

IPC分类号： G03G5/047 ,  C07C217/76 ,  C07C251/86 ,  G03G15/00 ,  G03G5/05 ,  G03G5/06 ,  G03G5/147

CPC分类号： C07C217/76 ,  C07C251/86 ,  C07C2601/14 ,  C07C2603/18 ,  G03G5/0592 ,  G03G5/0614 ,  G03G5/14769 ,  G03G5/14791 ,  G03G15/75

摘要： Provided is a compound represented by the following Formula (I): wherein in Formula (I), F represents a charge transporting skeleton, L represents a divalent linking group including a —(CH2)n—O— group, m represents an integer of from 1 to 8, and n represents an integer of from 3 to 6.

摘要翻译： 提供由下式（I）表示的化合物：式（I）中，F表示电荷输送性骨架，L表示包含 - （CH 2）n -O-基的二价连接基团，m表示 1〜8，n表示3〜6的整数。

公开(公告)号：US08655220B2

公开(公告)日：2014-02-18

申请号：US12247794

申请日：2008-10-08

申请人： Masahiro Iwasaki ,  Katsumi Nukada ,  Wataru Yamada ,  Kenta Ide ,  Hirofumi Nakamura ,  Mitsuhide Nakamura ,  Koji Bando ,  Kaori Iemula ,  Kazuya Hongo ,  Yasuhiro Nida

发明人： Masahiro Iwasaki ,  Katsumi Nukada ,  Wataru Yamada ,  Kenta Ide ,  Hirofumi Nakamura ,  Mitsuhide Nakamura ,  Koji Bando ,  Kaori Iemula ,  Kazuya Hongo ,  Yasuhiro Nida

IPC分类号： G03G21/18

CPC分类号： G03G5/076 ,  G03G5/0612 ,  G03G5/064 ,  G03G5/07 ,  G03G5/071 ,  G03G5/075 ,  G03G5/14769

摘要： An electrophotographic photoreceptor including a conductive substrate and a photosensitive layer provided on a surface of the conductive substrate, an outermost layer of the photosensitive layer containing a crosslinked product formed from at least one charge transporting material having at least one substituent selected from the group consisting of —OH, —OCH3, —NH2, —SH, and —COOH and at least one selected from a guanamine compound or a melamine compound, the content of the at least one charge transporting material being at least about 90% by weight, and the content of the at least one selected from the guanamine compound or the melamine compound being from about 0.1% by weight to about 5% by weight.

摘要翻译： 一种电子照相感光体，包括导电基底和设置在导电基底表面上的感光层，感光层的最外层含有由至少一种电荷输送材料形成的交联产物，该电荷输送材料具有至少一个选自以下的取代基： -OH，-OCH 3，-NH 2，-SH和-COOH和选自胍胺化合物或三聚氰胺化合物中的至少一种，所述至少一种电荷输送材料的含量为至少约90重量％，并且 从胍胺化合物或三聚氰胺化合物中选出的至少一种的含量为约0.1重量％至约5重量％。

公开(公告)号：US08043776B2

公开(公告)日：2011-10-25

申请号：US12049684

申请日：2008-03-17

申请人： Wataru Yamada ,  Katsumi Nukada

发明人： Wataru Yamada ,  Katsumi Nukada

IPC分类号： G03G5/00

摘要： An electrophotographic photoreceptor comprising a conductive support and a photosensitive layer provided on or above the conductive support, the photosensitive layer having an outermost layer comprising a cured product of a composition comprising a curable resin, a surfactant containing a fluorine atom, and a charge transporting organic compound having a specific structure.

公开(公告)号：US07727692B2

公开(公告)日：2010-06-01

申请号：US11714895

申请日：2007-03-07

申请人： Wataru Yamada ,  Katsumi Nukada

发明人： Wataru Yamada ,  Katsumi Nukada

IPC分类号： G03G15/05

CPC分类号： G03G5/14791 ,  G03G5/0514 ,  G03G5/0532 ,  G03G5/0553 ,  G03G5/0592 ,  G03G5/0596 ,  G03G5/142 ,  G03G5/144 ,  G03G5/14708 ,  G03G5/14743 ,  G03G5/14786 ,  G03G5/14795

摘要： An electrophotographic photoreceptor comprises: an electroconductive support; and a photosensitive layer on the electroconductive support, wherein the photosensitive layer comprises a functional layer, the functional layer comprising: a compound having a triple bond and a hydroxyl group in a molecule; and a cured product of a curable resin.

摘要翻译： 电子照相感光体包括：导电载体; 以及在所述导电载体上的感光层，其中所述感光层包括功能层，所述功能层包含：分子中具有三键和羟基的化合物; 和可固化树脂的固化产物。

公开(公告)号：US20070231721A1

公开(公告)日：2007-10-04

申请号：US11727473

申请日：2007-03-27

申请人： Katsumi Nukada ,  Masahiro Iwasaki ,  Wataru Yamada

发明人： Katsumi Nukada ,  Masahiro Iwasaki ,  Wataru Yamada

IPC分类号： G03G5/147

CPC分类号： G03G5/1476 ,  G03G5/0567 ,  G03G5/0592 ,  G03G5/0596 ,  G03G5/14704 ,  G03G5/14708 ,  G03G5/14778 ,  G03G5/14791 ,  G03G5/14795

摘要： The invention provides an electrophotographic photoreceptor comprising a conductive substrate having a photosensitive layer and a protective layer thereon, the protective layer comprising a crosslinked film having a phenolic structure, in which the relationship between a pH of the exfoliated protective layer extracted with distilled water (pHOCL) and a pH of said distilled water (pHw) satisfies the following formula (A):pHOCL−pHW≦0.5.

摘要翻译： 本发明提供了一种电子照相感光体，其包括在其上具有感光层和保护层的导电基底，该保护层包含具有酚结构的交联膜，其中用蒸馏水萃取的剥离保护层的pH（pH OCL），并且所述蒸馏水的pH（pH）满足下式（A）：pH

公开(公告)号：US07105257B2

公开(公告)日：2006-09-12

申请号：US10648273

申请日：2003-08-27

申请人： Wataru Yamada ,  Katsumi Nukada ,  Kazuhiro Koseki ,  Takayuki Yamashita ,  Masahiro Iwasaki ,  Takahiro Suzuki

发明人： Wataru Yamada ,  Katsumi Nukada ,  Kazuhiro Koseki ,  Takayuki Yamashita ,  Masahiro Iwasaki ,  Takahiro Suzuki

IPC分类号： G03G5/47

CPC分类号： G03G5/051 ,  G03G5/0503 ,  G03G5/0578 ,  G03G5/0614 ,  G03G5/14708 ,  G03G5/14773

摘要： An electrophotographic photoreceptor comprising a conductive support and a photosensitive layer disposed on the conductive support, wherein the photosensitive layer comprises a silicon compound-containing layer containing a silicon compound, and the silicon compound-containing layer further contains a resin, and wherein the photosensitive layer has a peak area in the region of −40 to 0 ppm (S1) and a peak area in the region of −100 to −50 ppm (S2) in a 29Si-NMR spectrum satisfying the following equation (1): S1/(S1+S2)≧0.5.  (1)

摘要翻译： 一种电子照相感光体，包括导电性支持体和配置在导电性支持体上的感光层，其中感光层含有含有硅化合物的含硅化合物的层，含硅化合物的层还含有树脂，其中感光层 在-40〜0ppm的范围内具有峰面积（S <1），在-100〜-50ppm范围内的峰面积（S 2> 2）在 满足以下等式（1）的<29> Si-NMR谱：<？in-line-formula description =“In-line Formulas”end =“lead”？> S＆lt; 1＆ （S 1 + S 2）> = 0.5。 （1）<？in-line-formula description =“In-line Formulas”end =“tail”？>

公开(公告)号：US06936387B2

公开(公告)日：2005-08-30

申请号：US10013540

申请日：2001-12-13

申请人： Kenji Yao ,  Wataru Yamada ,  Kazuhiro Koseki ,  Katsumi Nukada

发明人： Kenji Yao ,  Wataru Yamada ,  Kazuhiro Koseki ,  Katsumi Nukada

IPC分类号： G03G15/02 ,  G03G5/04 ,  G03G5/147 ,  G03G21/10

CPC分类号： G03G5/147 ,  G03G5/04

摘要： An electrophotographic photoreceptor that can sufficiently prevent occurrence of filming, whereby defects on an image can be sufficiently prevented, and an electrophotographic process cartridge and an electrophotographic apparatus using the electrophotographic photoreceptor are to be provided. The electrophotographic photoreceptor contains an electroconductive substrate having provided thereon a photosensitive layer, and an outermost layer of the photosensitive layer has a dynamic hardness of about from 13.0×109 to 100.0×109 N/m2. According to the invention, occurrence of flaws on the surface of the photoreceptor can be sufficiently prevented, and cracking of a member made in contact with the photoreceptor can also be sufficiently prevented. Therefore, occurrence of filming is sufficiently prevented, and occurrence of defects on an image is also sufficiently prevented.

摘要翻译： 可以充分防止膜的发生的电子照相感光体，从而可以充分防止图像上的缺陷，并且提供使用电子照相感光体的电子照相处理盒和电子照相设备。 电子照相感光体含有在其上设置有感光层的导电性基体，感光层的最外层的动态硬度为约13.0×10 9〜100.0×10 9 N / m 2 。 根据本发明，可以充分地防止感光体表面的裂纹的发生，并且还可以充分地防止与感光体接触的部件的裂纹。 因此，充分防止了拍摄的发生，并且还充分地防止了图像上的缺陷的发生。

公开(公告)号：US06876371B2

公开(公告)日：2005-04-05

申请号：US10683273

申请日：2003-10-14

申请人： Takahiro Suzuki ,  Taketoshi Hoshizaki ,  Katsumi Nukada ,  Mitsuhide Nakamura ,  Kazuhiro Koseki ,  Takayuki Yamashita ,  Wataru Yamada ,  Koji Bando

发明人： Takahiro Suzuki ,  Taketoshi Hoshizaki ,  Katsumi Nukada ,  Mitsuhide Nakamura ,  Kazuhiro Koseki ,  Takayuki Yamashita ,  Wataru Yamada ,  Koji Bando

IPC分类号： G03G15/01 ,  G03G5/05 ,  G03G5/07 ,  G03G5/147 ,  G03G15/00 ,  G03G15/02 ,  G03G15/04 ,  G03G15/16 ,  H04N1/113 ,  B41J2/385 ,  G03G15/09

CPC分类号： G03G15/75 ,  G03G5/0578 ,  G03G5/14773 ,  G03G2215/00957

摘要： The invention provides an image forming apparatus comprising at least: an electrophotographic photoreceptor comprising at least a conductive substrate and a photosensitive layer provided on the conductive substrate; a charging device; an exposure device; a developing device; and a transfer device, wherein the exposure device is of a multi beam exposure system which has a surface emitting laser array having two or more light-emitting elements as an exposure light source and which scan the electrophotographic photoreceptor with plural light beams thereby forming electrostatic latent image, and wherein the outermost layer in the electrophotographic photoreceptor, positioned most distant from the conductive substrate, contains a silicon-containing resin containing at least a charge transporting compound or a characteristic group derived from a charge transporting compound, and having a structure in which bonds formed by crosslinking of an O atom with neighboring Si atoms are formed three dimensionally.

摘要翻译： 本发明提供一种图像形成装置，其至少包括：电子照相感光体，至少包括导电基底和设置在导电基底上的感光层; 充电装置; 曝光装置; 显影装置 以及转印装置，其中所述曝光装置是具有表面发射激光器阵列的多光束曝光系统，所述表面发射激光器阵列具有两个或更多个发光元件作为曝光光源，并且用多个光束扫描所述电子照相感光体，从而形成静电潜像 图像，并且其中位于最远离导电基底的电子照相感光体中的最外层包含至少含有电荷输送化合物或源自电荷输送化合物的特征基团的含硅树脂，并且具有以下结构： 由O原子与相邻的Si原子交联形成的键三维形成。

公开(公告)号：US08055153B2

公开(公告)日：2011-11-08

申请号：US11802521

申请日：2007-05-23

申请人： Katsumi Nukada ,  Wataru Yamada ,  Yukiko Furushiro ,  Takayuki Yamashita

发明人： Katsumi Nukada ,  Wataru Yamada ,  Yukiko Furushiro ,  Takayuki Yamashita

IPC分类号： G03G21/08

CPC分类号： G03G21/08 ,  G03G5/0592 ,  G03G5/0596 ,  G03G5/0607 ,  G03G5/0614 ,  G03G5/0625 ,  G03G5/0642 ,  G03G5/0664 ,  G03G5/0666 ,  G03G5/09 ,  G03G5/14791 ,  G03G5/14795 ,  G03G15/751

摘要： An image forming apparatus includes: an electrophotographic photoreceptor including a conductive support and a photosensitive layer including an outermost surface layer capable of transporting a charge, the layer being farthest from the conductive support and containing a resin having a crosslinking structure; a charging unit that charges the electrophotographic photoreceptor; a first exposure unit that exposes the electrophotographic photoreceptor to form an electrostatic latent image on the electrophotographic photoreceptor charged; a developing unit that develop the electrostatic latent image with a toner to form a toner image; a transfer unit that transfer the toner image from the electrophotographic photoreceptor to a medium to be transferred; and a second exposure unit that uniformly expose the electrophotographic photoreceptor, the outermost surface layer absorbing exposure light of the second exposure unit and having a maximum absorbance of about 0.05 or less in the entire wavelength range of the exposure light.

摘要翻译： 图像形成装置包括：电子照相感光体，其包含导电性支持体和感光层，感光层包含能够输送电荷的最外表面层，该感光层距导电性支持体最远，并含有具有交联结构的树脂; 对电子照相感光体进行充电的充电单元; 第一曝光单元，其暴露电子照相感光体以在电子照相感光体上形成静电潜像; 显影单元，其用调色剂显影静电潜像以形成调色剂图像; 转印单元，其将调色剂图像从电子照相感光体转印到待转印的介质上; 以及第二曝光单元，其在所述曝光光的整个波长范围内均匀地曝光所述电子照相感光体，所述最外表面层吸收所述第二曝光单元的曝光光，并且具有约0.05以下的最大吸光度。

公开(公告)号：US20080089712A1

公开(公告)日：2008-04-17

申请号：US11802521

申请日：2007-05-23

申请人： Katsumi Nukada ,  Wataru Yamada ,  Yukiko Furushiro ,  Takayuki Yamashita

发明人： Katsumi Nukada ,  Wataru Yamada ,  Yukiko Furushiro ,  Takayuki Yamashita

IPC分类号： G03G15/00

CPC分类号： G03G21/08 ,  G03G5/0592 ,  G03G5/0596 ,  G03G5/0607 ,  G03G5/0614 ,  G03G5/0625 ,  G03G5/0642 ,  G03G5/0664 ,  G03G5/0666 ,  G03G5/09 ,  G03G5/14791 ,  G03G5/14795 ,  G03G15/751

摘要： An image forming apparatus includes: an electrophotographic photoreceptor including a conductive support and a photosensitive layer including an outermost surface layer capable of transporting a charge, the layer being farthest from the conductive support and containing a resin having a crosslinking structure; a charging unit that charges the electrophotographic photoreceptor; a first exposure unit that exposes the electrophotographic photoreceptor to form an electrostatic latent image on the electrophotographic photoreceptor charged; a developing unit that develop the electrostatic latent image with a toner to form a toner image; a transfer unit that transfer the toner image from the electrophotographic photoreceptor to a medium to be transferred; and a second exposure unit that uniformly expose the electrophotographic photoreceptor, the outermost surface layer absorbing exposure light of the second exposure unit and having a maximum absorbance of about 0.05 or less in the entire wavelength range of the exposure light.

摘要翻译： 图像形成装置包括：电子照相感光体，其包含导电性支持体和感光层，感光层包含能够输送电荷的最外表面层，该感光层距导电性支持体最远，并含有具有交联结构的树脂; 对电子照相感光体进行充电的充电单元; 第一曝光单元，其暴露电子照相感光体以在电子照相感光体上形成静电潜像; 显影单元，其用调色剂显影静电潜像以形成调色剂图像; 转印单元，其将调色剂图像从电子照相感光体转印到待转印的介质上; 以及第二曝光单元，其在所述曝光光的整个波长范围内均匀地曝光所述电子照相感光体，所述最外表面层吸收所述第二曝光单元的曝光光，并且具有约0.05以下的最大吸光度。