公开(公告)号：US08092964B2

公开(公告)日：2012-01-10

申请号：US12194451

申请日：2008-08-19

Applicant: Kenji Hayashi ,  Mikio Kouyama ,  Tomoko Sakimura ,  Hiroyuki Yasukawa ,  Hiroaki Obata ,  Natsuko Kusaka

Inventor： Kenji Hayashi ,  Mikio Kouyama ,  Tomoko Sakimura ,  Hiroyuki Yasukawa ,  Hiroaki Obata ,  Natsuko Kusaka

IPC: G03G9/09 ,  G03G13/08

CPC classification number: G03G9/0918 ,  G03G9/0914 ,  G03G9/0924

Abstract: Disclosed is a toner comprising a resin and a colorant, wherein the colorant comprises a compound represented by formula (I) and a compound represented by formula (II).

Abstract translation: 公开了包含树脂和着色剂的调色剂，其中着色剂包括由式（I）表示的化合物和由式（II）表示的化合物。

公开(公告)号：US08053153B2

公开(公告)日：2011-11-08

申请号：US12267030

申请日：2008-11-07

Applicant: Mikio Kouyama ,  Kenji Hayashi ,  Tomoko Sakimura ,  Hiroyuki Yasukawa ,  Hiroaki Obata ,  Natsuko Kusaka

Inventor： Mikio Kouyama ,  Kenji Hayashi ,  Tomoko Sakimura ,  Hiroyuki Yasukawa ,  Hiroaki Obata ,  Natsuko Kusaka

IPC: G03G9/00

CPC classification number: G03G9/0918 ,  G03G9/0819

Abstract: An electrophotographic toner containing a resin and a colorant is disclosed. The colorant is represented by the formula in the formula, M1 is a silicon atom (Si), a germanium atom (Ge) and a tin atom (Sn); Z is independently a chlorine atom, a hydroxy group, an alkoxy group having 1 to 8 carbon atoms, or an aryloxy group having 6 to 8 carbon atoms; and A1, A2, A3 and A4 are each independently an atomic group defined in the specification.

Abstract translation: 公开了含有树脂和着色剂的电子照相调色剂。 着色剂由式中的通式表示，M1是硅原子（Si），锗原子（Ge）和锡原子（Sn）; Z独立地为氯原子，羟基，碳原子数为1〜8的烷氧基或碳原子数为6〜8的芳氧基。 A1，A2，A3和A4各自独立地为说明书中定义的原子团。

公开(公告)号：US20090208860A1

公开(公告)日：2009-08-20

申请号：US12370920

申请日：2009-02-13

Applicant: Tomoko SAKIMURA ,  Toyoko SHIBATA ,  Shinichi HAMAGUCHI

Inventor： Tomoko SAKIMURA ,  Toyoko SHIBATA ,  Shinichi HAMAGUCHI

IPC: G03G5/047 ,  G03G15/04

CPC classification number: G03G15/751 ,  G03G5/0605 ,  G03G5/0609 ,  G03G5/0614

Abstract: An object of the present invention is to form a high density electrostatic latent image on an organic photoreceptor via image exposure using a semiconductor laser or a light-emitting diode of an oscillation wavelength of 350-500 nm; and to provide an organic photoreceptor exhibiting improved sensitivity and repetition characteristics or improved dot reproducibility deterioration, and an image forming apparatus employing the organic photoreceptor. In an organic photoreceptor having a charge generating layer and a charge transporting layer on a conductive support, an organic photoreceptor wherein a charge generating layer incorporates a binder resin and a Br substituted pyranthrone-based compound and the spectral spectrum of the charge generating layer has maximum absorption values each in the region of 430-445 nm, 500-510 nm, and 530-545 nm.

Abstract translation: 本发明的目的是通过使用半导体激光器或振荡波长为350-500nm的发光二极管通过图像曝光在有机感光体上形成高密度静电潜像; 并且提供具有改进的灵敏度和重复特性或改进的点再现性劣化的有机感光体，以及使用有机感光体的图像形成装置。 在导电性载体上具有电荷产生层和电荷传输层的有机感光体中，电荷产生层包含粘合剂树脂和Br取代的吡喃酮类化合物的有机感光体，电荷产生层的光谱具有最大值 在430-445nm，500-510nm和530-545nm的区域中各自的吸收值。

公开(公告)号：US20090123861A1

公开(公告)日：2009-05-14

申请号：US12267030

申请日：2008-11-07

Applicant: Mikio Kouyama ,  Kenji Hayashi ,  Tomoko Sakimura ,  Hiroyuki Yasukawa ,  Hiroaki Obata ,  Natsuko Kusaka

Inventor： Mikio Kouyama ,  Kenji Hayashi ,  Tomoko Sakimura ,  Hiroyuki Yasukawa ,  Hiroaki Obata ,  Natsuko Kusaka

IPC: G03G9/09

CPC classification number: G03G9/0918 ,  G03G9/0819

Abstract: An electrophotographic toner containing a resin and a colorant is disclosed. The colorant is represented by the formula in the formula, M1 is a silicon atom (Si), a germanium atom (Ge) and a tin atom (Sn); Z is independently a chlorine atom, a hydroxy group, an alkoxy group having 1 to 8 carbon atoms, or an aryloxy group having 6 to 8 carbon atoms; and A1, A2, A3 and A4 are each independently an atomic group defined in the specification.

Abstract translation: 公开了含有树脂和着色剂的电子照相调色剂。 着色剂由式中的通式表示，M1是硅原子（Si），锗原子（Ge）和锡原子（Sn）; Z独立地为氯原子，羟基，碳原子数为1〜8的烷氧基或碳原子数为6〜8的芳氧基。 A1，A2，A3和A4各自独立地为说明书中定义的原子团。

公开(公告)号：US20090104551A1

公开(公告)日：2009-04-23

申请号：US12248142

申请日：2008-10-09

Applicant: Tomoko SAKIMURA ,  Toyoko SHIBATA ,  Tomoo SAKIMURA ,  Takeshi ISHIDA ,  Shinichi HAMAGUCHI

Inventor： Tomoko SAKIMURA ,  Toyoko SHIBATA ,  Tomoo SAKIMURA ,  Takeshi ISHIDA ,  Shinichi HAMAGUCHI

IPC: G03G17/04 ,  G03G15/02

CPC classification number: G03G5/0614 ,  G03G5/047 ,  G03G2215/00957

Abstract: Disclosed is an electrophotographic photoreceptor comprising on an electrically conductive support, a charge generation layer and a charge transport layer, wherein the charge transport layer comprises a charge transport material represented by formula (1) and exhibits a transmittance at 370 nm of not more than 10% and a transmittance at 405 nm of not less than 70%, and the charge transport layer further comprising a compound represented by formula (2), (3) or (4).

Abstract translation: 公开了一种电子照相感光体，其包含导电性载体，电荷产生层和电荷输送层，其中电荷传输层包含由式（1）表示的电荷传输材料，并且在370nm处的透射率不大于10 ％，405nm处的透射率为70％以上，电荷输送层还含有式（2），（3）或（4）表示的化合物。

公开(公告)号：US20050164105A1

公开(公告)日：2005-07-28

申请号：US11040448

申请日：2005-01-21

Applicant: Toyoko Shibata ,  Masao Asano ,  Hiroshi Yamazaki ,  Tomoko Sakimura

Inventor： Toyoko Shibata ,  Masao Asano ,  Hiroshi Yamazaki ,  Tomoko Sakimura

IPC: G03G5/06 ,  G03G5/14

CPC classification number: G03G5/0614 ,  G03G5/0666 ,  G03G5/0668 ,  G03G5/067 ,  G03G5/0672 ,  G03G5/0674

Abstract: An electrophotographic photoreceptor comprising a support, an interlayer containing inorganic particle and a photosensitive layer is disclosed. The photosensitive layer contains a mixture of compounds represented by Formula (1) having different n and (Rp+Rs) is not more than 99%, wherein Rp is a ratio of a component having the maximum content in the mixture and Rs is a ratio of a component having the content next to the maximum content in percent. X—CTM-group)n—Y  (1)In the formula, CTM-group is a charge transfer group; X and Y are each a hydrogen atom, a halogen atom or a mono-valent organic group; and n is an integer of from 0 to 10, provided that n is an integer of from 1 to 10 when both X and are hydrogen atom or a halogen atom. A processing cartridge comprising the electrophotographic photoreceptor is also disclosed.

Abstract translation: 公开了一种包含载体，含有无机颗粒的中间层和感光层的电子照相感光体。 感光层含有不同于n的式（1）表示的化合物的混合物，（Rp + Rs）不大于99％，其中Rp是混合物中具有最大含量的组分的比例，Rs是比例 具有以百分比表示的最大内容旁边的内容的组件。 <？in-line-formula description =“In-line formula”end =“lead”？> X-CTM-group） -Y（1）<？in-line-formula description = “在线公式”end =“tail”？>在公式中，CTM组是电荷转移组; X和Y各自为氢原子，卤素原子或一价有机基团; n为0〜10的整数，条件是当X均为氢原子或卤素原子时，n为1〜10的整数。 还公开了一种包括电子照相感光体的处理盒。

公开(公告)号：US08034519B2

公开(公告)日：2011-10-11

申请号：US12139648

申请日：2008-06-16

Applicant: Tomoko Sakimura ,  Toyoko Shibata ,  Shinichi Hamaguchi

Inventor： Tomoko Sakimura ,  Toyoko Shibata ,  Shinichi Hamaguchi

IPC: G03G5/00

CPC classification number: G03G5/0659 ,  G03G5/0605 ,  G03G5/0609 ,  G03G5/0614 ,  G03G2215/00957

Abstract: Disclosed is an electrophotographic photoreceptor comprising on or over an electrically conductive support a photosensitive layer containing a pyranthrone compound represented by the following formula and the pyranthrone compound has a crystal structure exhibiting a CuKα X-ray diffraction spectrum having peaks at angles (2θ±0.2°) of 12.3°, 20.5°, 25.3° and 28.3°.

Abstract translation: 公开了一种电子照相感光体，其在导电性载体上包含含有由下式表示的吡喃酮化合物的感光层，所述吡喃酮化合物具有呈现出角度为（2θ±0.2°）的峰值的CuKαX射线衍射光谱的晶体结构 °）为12.3°，20.5°，25.3°和28.3°。

公开(公告)号：US20090214968A1

公开(公告)日：2009-08-27

申请号：US12388014

申请日：2009-02-18

Applicant: Shinichi Hamaguchi ,  Toyoko Shibata ,  Tomoko Sakimura

Inventor： Shinichi Hamaguchi ,  Toyoko Shibata ,  Tomoko Sakimura

IPC: G03G5/04 ,  G03G5/00 ,  G03G13/06 ,  G03G15/00

CPC classification number: G03G5/0657 ,  G03G5/0605 ,  G03G5/0614 ,  G03G15/751 ,  G03G2215/00957

Abstract: A mixture of bisamine compounds comprising a bisamine compound represented by Formula (1) and a bisamine compound represented by Formula (2): A-X-A  Formula (1) A-X—B  Formula (2) wherein, A and B represent a different substituted amino group represented by Formula (3), X represents a bivalent linkage group: wherein, each of Ara and Arb independently represents an aryl group which may have a substituted group, and Arc represents an arylene group which may have a substituted group, and Ara, Arb and Arc may be combined to form a ring structure.

Abstract translation: 包括由式（1）表示的双胺化合物和由式（2）表示的双胺化合物的双胺化合物的混合物：<？在线公式描述=“在线公式”末端=“铅”→AXA式 （1）<？in-line-formula description =“In-line Formulas”end =“tail”？> <？in-line-formula description =“In-line Formulas”end =“lead”？> AXB Formula 其中，A和B表示由式（3）表示的不同的取代氨基，X表示二价连接基团：其中， Ara和Arb各自独立地表示可以具有取代基的芳基，Arc表示可以具有取代基的亚芳基，Ara，Arb和Arc可以结合形成环结构。

公开(公告)号：US6143452A

公开(公告)日：2000-11-07

申请号：US395829

申请日：1999-09-14

Applicant: Tomoo Sakimura ,  Akihiko Itami ,  Kazumasa Watanabe ,  Shingo Fujimoto ,  Toyoko Shibata ,  Tomoko Sakimura

Inventor： Tomoo Sakimura ,  Akihiko Itami ,  Kazumasa Watanabe ,  Shingo Fujimoto ,  Toyoko Shibata ,  Tomoko Sakimura

IPC: G03G5/047 ,  G03G5/07 ,  G03G5/147

CPC classification number: G03G5/047 ,  G03G5/078 ,  G03G5/14773

Abstract: An electrophotographic photoreceptor characterized in comprising a resin layer containing a hardenable siloxane-based resin having a partial structure described below: ##STR1## wherein X represents a charge transportability providing group, which is a group bonding to Y in the formula via a carbon atom constituting said providing group, and Y represents at least a bivalent atom or group, excluding adjacent bonding atoms.

Abstract translation: 一种电子照相感光体，其特征在于包括含有下述部分结构的可硬化硅氧烷类树脂的树脂层：其中X表示电荷传输性提供基团，其是通过构成所述提供基团的碳原子与式中的Y键合的基团 ，Y除了相邻的键合原子以外的至少2价的原子或基团。

公开(公告)号：US08158314B2

公开(公告)日：2012-04-17

申请号：US12370920

申请日：2009-02-13

Applicant: Tomoko Sakimura ,  Toyoko Shibata ,  Shinichi Hamaguchi

Inventor： Tomoko Sakimura ,  Toyoko Shibata ,  Shinichi Hamaguchi

IPC: G03G5/047

CPC classification number: G03G15/751 ,  G03G5/0605 ,  G03G5/0609 ,  G03G5/0614

Abstract: An object of the present invention is to form a high density electrostatic latent image on an organic photoreceptor via image exposure using a semiconductor laser or a light-emitting diode of an oscillation wavelength of 350-500 nm; and to provide an organic photoreceptor exhibiting improved sensitivity and repetition characteristics or improved dot reproducibility deterioration, and an image forming apparatus employing the organic photoreceptor. In an organic photoreceptor having a charge generating layer and a charge transporting layer on a conductive support, an organic photoreceptor wherein a charge generating layer incorporates a binder resin and a Br substituted pyranthrone-based compound and the spectral spectrum of the charge generating layer has maximum absorption values each in the region of 430-445 nm, 500-510 nm, and 530-545 nm.

Abstract translation: 本发明的目的是通过使用半导体激光器或振荡波长为350-500nm的发光二极管通过图像曝光在有机感光体上形成高密度静电潜像; 并且提供具有改进的灵敏度和重复特性或改进的点再现性劣化的有机感光体，以及使用有机感光体的图像形成装置。 在导电性载体上具有电荷产生层和电荷传输层的有机感光体中，电荷产生层包含粘合剂树脂和Br取代的吡喃酮类化合物的有机感光体，电荷产生层的光谱具有最大值 在430-445nm，500-510nm和530-545nm的区域中各自的吸收值。