公开(公告)号：US06824938B2

公开(公告)日：2004-11-30

申请号：US10196185

申请日：2002-07-17

Applicant: Hiroe Kizaki ,  Mamoru Nozomi ,  Tetsuo Ozawa ,  Kozo Ishio

Inventor： Hiroe Kizaki ,  Mamoru Nozomi ,  Tetsuo Ozawa ,  Kozo Ishio

IPC: G03G514

CPC classification number: G03G5/0696 ,  G03G5/142

Abstract: An electrophotographic photoreceptor having at least an undercoat layer and a photosensitive layer on an electroconductive substrate, wherein at least one layer of the undercoat layer contains a naphthalocyanine compound of the following formula (1): where, in the formula (1), M represents two hydrogen atoms, or a metal atom, provided that the metal atom may have a ligand, and each of X1, X2, X3 and X4 is a hydrogen atom or a substituent.

Abstract translation: 一种在导电性基体上具有至少一层底涂层和感光层的电子照相感光体，其中至少一层底涂层含有下式（1）的萘菁化合物：其中，在式（1）中，M表示 两个氢原子或金属原子，条件是金属原子可以具有配体，X 1，X 2，X 3和X 4中的每一个是氢原子或取代基。

公开(公告)号：US06884556B2

公开(公告)日：2005-04-26

申请号：US10224352

申请日：2002-08-21

Applicant: Yuuta Kumano ,  Satoshi Kato ,  Chiyoko Sato ,  Akiteru Fujii ,  Mamoru Nozomi

Inventor： Yuuta Kumano ,  Satoshi Kato ,  Chiyoko Sato ,  Akiteru Fujii ,  Mamoru Nozomi

IPC: C08G63/193 ,  G03G5/05 ,  G03G5/00

CPC classification number: G03G5/056 ,  C08G63/193

Abstract: Electrophotographic photoreceptors having improved mechanical properties, electrical properties with excellent response characteristics are prepared by forming a photosensitive layer on an electroconductive substrate. The photosensitive layer contains a binder resin, which may be a polyarylate or a copolymer of polyarylate. The binder resin may be mixed with other resins up to 50 wt % with other resins to impove surface slip properties or fire retardant properties.

Abstract translation: 具有改善的机械性能，具有优异响应特性的电性能的电子照相感光体通过在导电基材上形成感光层来制备。 感光层含有粘合剂树脂，其可以是多芳基化合物或多芳基化合物的共聚物。 粘合剂树脂可以与其它树脂混合达50重量％以上以抵消表面滑动性能或阻燃性能。

公开(公告)号：US5338633A

公开(公告)日：1994-08-16

申请号：US886845

申请日：1992-05-22

Applicant: Mamoru Nozomi ,  Sumiko Watabe ,  Ryoko Aso

Inventor： Mamoru Nozomi ,  Sumiko Watabe ,  Ryoko Aso

IPC: C07C217/92 ,  G03G5/06

CPC classification number: C07C217/92 ,  G03G5/0618 ,  G03G5/0661 ,  C07C2101/10

Abstract: An electrophotographic photoreceptor comprising an electrically conductive substrate and a photoconductive layer formed thereon, wherein said photoconductive layer contains a compound of the formula ( I ): ##STR1## wherein R.sup.1 to R.sup.18 are respectively and independently a hydrogen atom, a halogen atom, a saturated or unsaturated aliphatic hydrocarbon group, an aromatic hydrocarbon group, an alkoxy group, an aryloxy group, a dialkylamino group or a diarylamino group, wherein the aliphatic hydrocarbon group, the aromatic hydrocarbon group, the alkoxy group, the aryloxy group, the dialkylamino group and the diarylamino group may have substituents, X is a bivalent hydrocarbon group which may have substituents, each of A.sup.1 and A.sup.2 is a saturated or unsaturated aliphatic hydrocarbon group or an aromatic hydrocarbon group, or is bonded to R.sup.5 or R.sup.18 of the adjacent phenyl group to form a nitrogen-containing heterocyclic ring, wherein the aliphatic hydrocarbon group, the aromatic hydrocarbon group and the nitrogen-containing heterocyclic ring may have substituents.

Abstract translation: 一种电子照相感光体，包括导电基底和形成在其上的光电导层，其中所述光电导层含有式（I）的化合物：其中R 1至R 18分别独立地为氢原子，卤素原子 ，饱和或不饱和脂族烃基，芳族烃基，烷氧基，芳氧基，二烷基氨基或二芳基氨基，其中脂族烃基，芳族烃基，烷氧基，芳氧基， 二烷基氨基和二芳基氨基可以具有取代基，X是可以具有取代基的二价烃基，A1和A2各自为饱和或不饱和的脂族烃基或芳族烃基，或者相邻的R 5或R 18键合 苯基，形成含氮杂环，其中脂族烃基，芳烃烃基 p和含氮杂环可以具有取代基。

公开(公告)号：US20060068310A1

公开(公告)日：2006-03-30

申请号：US11150271

申请日：2005-06-13

Applicant: Mamoru Nozomi ,  Kazutaka Ida ,  Mitsuo Wada

Inventor： Mamoru Nozomi ,  Kazutaka Ida ,  Mitsuo Wada

IPC: G03G5/05

CPC classification number: G03G5/047 ,  G03G5/051 ,  G03G5/0517 ,  G03G5/056 ,  G03G5/0616 ,  G03G5/0666 ,  G03G5/0668 ,  G03G5/0672 ,  G03G5/0677

Abstract: The present invention provides an electrophotographic photoreceptor which has high light resistance, has high durability in exposure to oxidizing gases such as ozone and NOx, is excellent in mechanical properties such as printing durability, wearing resistance, marring resistance, and slip properties in repetitions of use, and further has excellent electrical properties. Specifically, the present invention provides an electrophotographic photoreceptor having an electroconductive substrate and provided thereon at least a photosensitive layer having a charge generation material, a charge transport material, and a binder resin.

Abstract translation: 本发明提供一种具有高耐光性，在暴露于臭氧和NO x等氧化性气体中的高耐久性的电子照相感光体，其机械性能如印刷耐久性，耐磨性，防结块性优异 ，以及重复使用时的滑动性，并且还具有优异的电性能。 具体而言，本发明提供一种电子照相感光体，其具有导电性基体，并且至少设置有具有电荷产生材料，电荷输送材料和粘合剂树脂的光敏层。

公开(公告)号：US06803163B2

公开(公告)日：2004-10-12

申请号：US10452283

申请日：2003-06-03

Applicant: Teruyuki Mitsumori ,  Akiteru Fujii ,  Mamoru Nozomi ,  Satoshi Kato ,  Yuuta Kumano

Inventor： Teruyuki Mitsumori ,  Akiteru Fujii ,  Mamoru Nozomi ,  Satoshi Kato ,  Yuuta Kumano

IPC: G03G1502

CPC classification number: G03G5/0546 ,  G03G5/047 ,  G03G5/0592 ,  G03G5/0596

Abstract: A high-sensitivity and long-life electrophotographic photoreceptor comprising an electroconductive substrate and at least a photosensitive layer on the electroconductive substrate is provided, wherein the photosensitive layer contains a polyarylate resin not having a nitrogen atom in its repeating unit, and the Hall mobility at an electric field strength of 3×105 (V/cm) and at a temperature of 21° C. of the photosensitive layer is 3×10−6 (cm2/Vs) or more.

Abstract translation: 提供了一种包括导电基片和至少在导电基片上的感光层的高灵敏度和长寿命的电子照相感光体，其中感光层含有重复单元中不具有氮原子的多芳基化合物树脂， 感光层的3×10 5（V / cm）的电场强度和21℃的电场强度为3×10 -6（cm 2 / Vs）以上。

公开(公告)号：US5130222A

公开(公告)日：1992-07-14

申请号：US540327

申请日：1990-06-19

Applicant: Shigenori Otsuka ,  Mamoru Nozomi

Inventor： Shigenori Otsuka ,  Mamoru Nozomi

IPC: G03G5/05 ,  G03G5/06

CPC classification number: G03G5/0521 ,  G03G5/064 ,  Y10S430/103

Abstract: An electrophotographic photoreceptor having an electrically conductive substrate and a photosensitive layer formed thereon, the photosensitive layer comprising a charge-generating agent, an organic charge-transporting agent and an anti-oxidant having the general formula: ##STR1## wherein R.sup.1 and R.sup.2 are independently alkyl groups, is disclosed herein. The electrophotographic photoreceptor according to this invention has an improved durability in repeated copying operations and therefore a prolonged life.

Abstract translation: 一种电子照相感光体，具有形成在其上的导电基底和感光层，感光层包含电荷产生剂，有机电荷输送剂和抗氧化剂，具有以下通式：其中R1和R2独立地为 烷基。 根据本发明的电子照相感光体在反复复印操作中具有改进的耐久性，因此寿命延长。

公开(公告)号：US4752549A

公开(公告)日：1988-06-21

申请号：US924282

申请日：1986-10-27

Applicant: Shigenori Otsuka ,  Kohki Furuya ,  Mamoru Nozomi

Inventor： Shigenori Otsuka ,  Kohki Furuya ,  Mamoru Nozomi

IPC: G03G5/04 ,  G03G5/14 ,  G03G5/147

CPC classification number: G03G5/14791 ,  G03G5/1473

Abstract: An electrophotographic photoreceptor according to this invention has an electrically conductive support, a charge-generation layer, a charge-transport layer and a protective layer which consists essentially of a thermo-setting silicone resin and a polyvinyl acetal resin.The electrophotographic photoreceptor according to this invention has improved durability in repeated copying operations due to the inclusion of the polyvinyl acetal resin into the protective layer.

Abstract translation: 根据本发明的电子照相感光体具有导电性载体，电荷产生层，电荷传输层和保护层，其基本上由热固性硅树脂和聚乙烯醇缩醛树脂组成。 根据本发明的电子照相感光体由于将聚乙烯醇缩醛树脂包含在保护层中而具有改进的反复复印操作的耐久性。

公开(公告)号：US07217483B2

公开(公告)日：2007-05-15

申请号：US11150271

申请日：2005-06-13

Applicant: Mamoru Nozomi ,  Kazutaka Ida ,  Mitsuo Wada

Inventor： Mamoru Nozomi ,  Kazutaka Ida ,  Mitsuo Wada

IPC: G03G5/00

CPC classification number: G03G5/047 ,  G03G5/051 ,  G03G5/0517 ,  G03G5/056 ,  G03G5/0616 ,  G03G5/0666 ,  G03G5/0668 ,  G03G5/0672 ,  G03G5/0677

Abstract: The present invention provides an electrophotographic photoreceptor which has high light resistance, has high durability in exposure to oxidizing gases such as ozone and NOx, is excellent in mechanical properties such as printing durability, wearing resistance, marring resistance, and slip properties in repetitions of use, and further has excellent electrical properties. Specifically, the present invention provides an electrophotographic photoreceptor having an electroconductive substrate and provided thereon at least a photosensitive layer having a charge generation material, a charge transport material, and a binder resin.

Abstract translation: 本发明提供一种具有高耐光性，在暴露于臭氧和NO x等氧化性气体中的高耐久性的电子照相感光体，其机械性能如印刷耐久性，耐磨性，防结块性优异 ，以及重复使用时的滑动性，并且还具有优异的电性能。 具体而言，本发明提供一种电子照相感光体，其具有导电性基体，并且至少设置有具有电荷产生材料，电荷输送材料和粘合剂树脂的光敏层。

公开(公告)号：US06482560B2

公开(公告)日：2002-11-19

申请号：US09739336

申请日：2000-12-19

Applicant: Teruyuki Mitsumori ,  Akiteru Fujii ,  Mamoru Nozomi ,  Satoshi Kato ,  Yuuta Kumano

Inventor： Teruyuki Mitsumori ,  Akiteru Fujii ,  Mamoru Nozomi ,  Satoshi Kato ,  Yuuta Kumano

IPC: G03G1502

CPC classification number: G03G5/0546 ,  G03G5/047 ,  G03G5/0592 ,  G03G5/0596

Abstract: A high-sensitivity and long-life electrophotographic photoreceptor comprising an electroconductive substrate and at least a photosensitive layer on the electroconductive substrate is provided, wherein the photosensitive layer contains a polyarylate resin not having a nitrogen atom in its repeating unit, and the Hall mobility at an electric field strength of 3×105 (V/cm) and at a temperature of 21° C. of the photosensitive layer is 3×10−6 (cm2/Vs) or more.

Abstract translation: 提供了一种包括导电基片和至少在导电基片上的感光层的高灵敏度和长寿命的电子照相感光体，其中感光层含有重复单元中不具有氮原子的多芳基化合物树脂， 感光层的电场强度为3×10 5（V / cm），温度为21℃，为3×10 -6（cm 2 / Vs）以上。

公开(公告)号：US5932385A

公开(公告)日：1999-08-03

申请号：US956393

申请日：1997-10-23

Applicant: Hiroaki Takamura ,  Takahiro Choda ,  Itaru Ogawa ,  Mamoru Nozomi

Inventor： Hiroaki Takamura ,  Takahiro Choda ,  Itaru Ogawa ,  Mamoru Nozomi

IPC: G03G5/047 ,  G03G5/06 ,  G03G5/14

CPC classification number: G03G5/047 ,  G03G5/0696 ,  G03G5/144

Abstract: An electrophotographic copying method, which comprises conducting each process of at least charging, exposing to light, developing and transferring, characterized in that the photoreceptor has at least an undercoat layer and a photosensitive layer on an electroconductive substrate, wherein the undercoat layer contains a semiconductive material having a band gap of at least 2.2 eV and a binder resin, the photosensitive layer contains at least a phthalocyanine compound as a charge-generation material, and image-formation is carried out from the first revolution of the photoreceptor.

Abstract translation: 一种电子照相复印方法，其包括进行至少充电，曝光，显影和转印的每个处理，其特征在于，所述感光体在导电基材上具有至少底涂层和感光层，其中底涂层含有半导体 具有至少2.2eV的带隙的材料和粘合剂树脂，感光层至少含有酞菁化合物作为电荷产生材料，并且从感光体的第一圈进行成像。