公开(公告)号：US07851119B2

公开(公告)日：2010-12-14

申请号：US11850394

申请日：2007-09-05

申请人： Tetsuya Toshine ,  Chiaki Tanaka ,  Michio Kimura ,  Tomoyuki Shimada ,  Nozomu Tamoto ,  Yoshiki Yanagawa ,  Hiromi Tada

发明人： Tetsuya Toshine ,  Chiaki Tanaka ,  Michio Kimura ,  Tomoyuki Shimada ,  Nozomu Tamoto ,  Yoshiki Yanagawa ,  Hiromi Tada

IPC分类号： G03G7/00

CPC分类号： G03G5/051 ,  G03G5/0514 ,  G03G5/0517 ,  G03G5/0521 ,  G03G5/0525 ,  G03G5/0532 ,  G03G5/0535 ,  G03G5/0578 ,  G03G5/14786 ,  G03G5/14791 ,  G03G5/14795

摘要： The present invention provides an electrophotographic photoconductor capable of reducing latent electrostatic image stability defects caused by adhesion/adsorption of an electric discharge product formed by a charger in an image forming process, degradation of charge transportability and cleaning defects caused when removing a residual toner. The electrophotographic photoconductor has a conductive substrate, and a photosensitive layer which contains at least a binder, a charge generating material and a charge transporting material and is formed on the substrate, wherein the photosensitive layer contains an injection material composed of at least any one of one wax selected from paraffin waxes, Fisher-Tropsh waxes, polyolefin waxes and a polyorganosiloxane compound in an area from the surface of the photosensitive layer to 50% of the thickness thereof in the thickness direction of the electrophotographic photoconductor, and the content of the injection material is 3% by mass or more to the content of the binder.

摘要翻译： 本发明提供了一种电子照相感光体，其能够降低在图像形成过程中由充电器形成的放电产物的附着/吸附引起的静电潜像稳定性缺陷，电荷输送性降低和清除残留调色剂时引起的清洁缺陷。 电子照相感光体具有导电性基材和至少含有粘合剂，电荷产生材料和电荷输送材料并形成在基材上的感光层，其中感光层含有由以下的至少一种构成的注入材料： 在感光层的表面至电子照相感光体的厚度方向的50％的范围内，选自石蜡，Fisher-Tropsh蜡，聚烯烃蜡和聚有机硅氧烷化合物的一种蜡，以及注射用量 材料相对于粘合剂的含量为3质量％以上。

公开(公告)号：US07855040B2

公开(公告)日：2010-12-21

申请号：US11926748

申请日：2007-10-29

申请人： Yoshiki Yanagawa ,  Michio Kimura ,  Nozomu Tamoto ,  Hiromi Tada ,  Tetsuya Toshine ,  Tomoyuki Shimada ,  Chiaki Tanaka

发明人： Yoshiki Yanagawa ,  Michio Kimura ,  Nozomu Tamoto ,  Hiromi Tada ,  Tetsuya Toshine ,  Tomoyuki Shimada ,  Chiaki Tanaka

IPC分类号： G03G5/14

CPC分类号： G03G5/0546 ,  G03G5/0525 ,  G03G5/0532 ,  G03G5/0614 ,  G03G5/0616 ,  G03G5/0629 ,  G03G5/14734 ,  G03G5/14791

摘要： A method for preparing a photoreceptor including forming a photosensitive layer overlying an electroconductive substrate; coating a liquid including a radically polymerizable compound to form a protective layer; irradiating the protective layer with light to crosslink the protective layer; and then contacting the protective layer with a fluid, which is selected from the group consisting of supercritical fluids and subcritical fluids and which includes a charge transport material. A photoreceptor prepared by the method. An image forming method, an image forming apparatus and a process cartridge using the photoreceptor.

摘要翻译： 一种制备感光体的方法，包括形成覆盖在导电基片上的感光层; 涂布包含自由基聚合性化合物的液体以形成保护层; 用光照射保护层以使保护层交联; 然后使保护层与从超临界流体和亚临界流体组成的组中选择的流体接触并且包括电荷输送材料。 通过该方法制备的感光体。 图像形成方法，图像形成装置和使用感光体的处理盒。

公开(公告)号：US20080063962A1

公开(公告)日：2008-03-13

申请号：US11850394

申请日：2007-09-05

申请人： Tetsuya TOSHINE ,  Chiaki Tanaka ,  Michio Kimura ,  Tomoyuki Shimada ,  Nozomu Tamoto ,  Yoshiki Yanagawa ,  Hiromi Tada

发明人： Tetsuya TOSHINE ,  Chiaki Tanaka ,  Michio Kimura ,  Tomoyuki Shimada ,  Nozomu Tamoto ,  Yoshiki Yanagawa ,  Hiromi Tada

IPC分类号： G03G15/02 ,  G03G5/00

CPC分类号： G03G5/051 ,  G03G5/0514 ,  G03G5/0517 ,  G03G5/0521 ,  G03G5/0525 ,  G03G5/0532 ,  G03G5/0535 ,  G03G5/0578 ,  G03G5/14786 ,  G03G5/14791 ,  G03G5/14795

摘要： The present invention provides an electrophotographic photoconductor capable of reducing latent electrostatic image stability defects caused by adhesion/adsorption of an electric discharge product formed by a charger in an image forming process, degradation of charge transportability and cleaning defects caused when removing a residual toner. The electrophotographic photoconductor has a conductive substrate, and a photosensitive layer which contains at least a binder, a charge generating material and a charge transporting material and is formed on the substrate, wherein the photosensitive layer contains an injection material composed of at least any one of one wax selected from paraffin waxes, Fisher-Tropsh waxes, polyolefin waxes and a polyorganosiloxane compound in an area from the surface of the photosensitive layer to 50% of the thickness thereof in the thickness direction of the electrophotographic photoconductor, and the content of the injection material is 3% by mass or more to the content of the binder.

摘要翻译： 本发明提供了一种电子照相感光体，其能够降低在图像形成过程中由充电器形成的放电产物的附着/吸附引起的静电潜像稳定性缺陷，电荷输送性降低和清除残留调色剂时引起的清洁缺陷。 电子照相感光体具有导电性基材和至少含有粘合剂，电荷产生材料和电荷输送材料并形成在基材上的感光层，其中感光层含有由以下的至少一种构成的注入材料： 在感光层的表面至电子照相感光体的厚度方向的50％的范围内，选自石蜡，Fisher-Tropsh蜡，聚烯烃蜡和聚有机硅氧烷化合物的一种蜡，以及注射用量 材料相对于粘合剂的含量为3质量％以上。

公开(公告)号：US08206880B2

公开(公告)日：2012-06-26

申请号：US12792303

申请日：2010-06-02

申请人： Hiromi Tada ,  Masafumi Ohta ,  Tatsuya Niimi ,  Norio Nagayama ,  Yoshiki Yanagawa ,  Yuuji Tanaka

发明人： Hiromi Tada ,  Masafumi Ohta ,  Tatsuya Niimi ,  Norio Nagayama ,  Yoshiki Yanagawa ,  Yuuji Tanaka

IPC分类号： G03G5/00

CPC分类号： G03G5/05 ,  G03G5/0675 ,  G03G5/0696

摘要： An electrophotographic photoreceptor, including an electroconductive substrate; and a photosensitive layer overlying the substrate, wherein the photosensitive layer comprises a complex azo pigment comprising an azo compound having the following formula (a): A(H)n  (a) wherein A represents a residue of an azo compound, bonded with n pieces of hydrogen atom through one or more heteroatom being N or O and forming a part of the residue A; H represents a hydrogen atom; and n represents an integer of from 1 to 9, and a pigment.

摘要翻译： 电子照相感光体，包括导电性基材; 以及覆盖所述基板的感光层，其中所述感光层包含复合偶氮颜料，其包含具有下式（a）的偶氮化合物：A（H）n（a）其中A表示与n键合的偶氮化合物的残基 通过一个或多个杂原子的氢原子是N或O并形成残基A的一部分; H表示氢原子; 和n表示1〜9的整数，和颜料。

公开(公告)号：US20100310975A1

公开(公告)日：2010-12-09

申请号：US12792303

申请日：2010-06-02

申请人： Hiromi Tada ,  Masafumi Ohta ,  Tatsuya Niimi ,  Norio Nagayama ,  Yoshiki Yanagawa ,  Yuuji Tanaka

发明人： Hiromi Tada ,  Masafumi Ohta ,  Tatsuya Niimi ,  Norio Nagayama ,  Yoshiki Yanagawa ,  Yuuji Tanaka

IPC分类号： G03G15/00 ,  G03G21/16 ,  G03G5/04

CPC分类号： G03G5/05 ,  G03G5/0675 ,  G03G5/0696

摘要： An electrophotographic photoreceptor, including an electroconductive substrate; and a photosensitive layer overlying the substrate, wherein the photosensitive layer comprises a complex azo pigment comprising an azo compound having the following formula (a): A(H)n  (a) wherein A represents a residue of an azo compound, bonded with n pieces of hydrogen atom through one or more heteroatom being N or O and forming a part of the residue A; H represents a hydrogen atom; and n represents an integer of from 1 to 9, and a pigment.

摘要翻译： 电子照相感光体，包括导电性基材; 以及覆盖所述基板的感光层，其中所述感光层包含复合偶氮颜料，其包含具有下式（a）的偶氮化合物：A（H）n（a）其中A表示与n键合的偶氮化合物的残基 通过一个或多个杂原子的氢原子是N或O并形成残基A的一部分; H表示氢原子; 和n表示1〜9的整数，和颜料。

公开(公告)号：US20100010204A1

公开(公告)日：2010-01-14

申请号：US12498492

申请日：2009-07-07

申请人： Masafumi OHTA ,  Hiromi Tada ,  Yoshiki Yanagawa

发明人： Masafumi OHTA ,  Hiromi Tada ,  Yoshiki Yanagawa

IPC分类号： C09B43/00

CPC分类号： C09B43/18 ,  C09B56/06 ,  C09B56/12 ,  C09B67/0033 ,  C09B67/0055

摘要： A method of preparing a complex-azo pigment having plural pigment components including at least an azo pigment represented by the following formula (a) A(H)n   (a) Pigments, both limited and unlimited by the process of making.

摘要翻译： 一种制备具有多种颜料成分的复合偶氮颜料的方法，所述颜料组分至少包含由下式（a）表示的偶氮颜料：A（H）n（a）通过制备方法限制和限制的颜料。

公开(公告)号：US08207312B2

公开(公告)日：2012-06-26

申请号：US12498492

申请日：2009-07-07

申请人： Masafumi Ohta ,  Hiromi Tada ,  Yoshiki Yanagawa

发明人： Masafumi Ohta ,  Hiromi Tada ,  Yoshiki Yanagawa

IPC分类号： C09B43/00

CPC分类号： C09B43/18 ,  C09B56/06 ,  C09B56/12 ,  C09B67/0033 ,  C09B67/0055

摘要： A method of preparing a complex-azo pigment having plural pigment components including at least an azo pigment represented by the following formula (a) A(H)n  (a) Pigments, both limited and unlimited by the process of making.

摘要翻译： 一种制备具有多种颜料成分的复合偶氮颜料的方法，所述颜料组分至少包括由下式（a）表示的偶氮颜料：A（H）n（a）通过制备方法限制和限制的颜料。

公开(公告)号：US10000656B2

公开(公告)日：2018-06-19

申请号：US15373523

申请日：2016-12-09

申请人： Yoshiki Yanagawa ,  Akihiko Matsuyama ,  Kazukiyo Nagai ,  Tomoyuki Shimada ,  Shigeyuki Harada ,  Akiyoshi Sabu ,  Yuusuke Koizuka ,  Koichiro Oyama ,  Takuya Yamazaki

发明人： Yoshiki Yanagawa ,  Akihiko Matsuyama ,  Kazukiyo Nagai ,  Tomoyuki Shimada ,  Shigeyuki Harada ,  Akiyoshi Sabu ,  Yuusuke Koizuka ,  Koichiro Oyama ,  Takuya Yamazaki

IPC分类号： C09D11/107 ,  C09D11/30 ,  C09D11/322 ,  C09D133/14

CPC分类号： C09D133/14 ,  C09D11/107 ,  C09D11/322

摘要： An ink includes a pigment a quinacridone compound represented by Chemical formula 1, and a copolymer including the structure unit represented by Chemical formula 2 or Chemical formula 3. In Chemical formula 1, R1, R2, R3, and R4 each, independently represent hydrogen atoms, halogen atoms, or alkyl groups having 1-4 carbon atoms, R5, R6, and R7 each, independently represent alkyl groups having 1-4 carbon atoms or alkylene groups having 1-4 carbon atoms, and m represents 1 or 2, In Chemical formula 2, R8 represents a hydrogen atom or a methyl group and L1 represents an alkylene group having 2-16 carbon atoms, In Chemical formula 3, R9 represents a hydrogen atom or a methyl group, L2 represents a single bond or —(CH2)n—O— and n represents an integer of 2-16.

公开(公告)号：US09777091B2

公开(公告)日：2017-10-03

申请号：US14950175

申请日：2015-11-24

申请人： Masayuki Fukuoka ,  Shigeyuki Harada ,  Yoshiki Yanagawa ,  Keita Katoh ,  Kazukiyo Nagai ,  Yuusuke Koizuka ,  Tomoyuki Shimada ,  Akiyoshi Sabu ,  Takuya Yamazaki ,  Akihiko Matsuyama

发明人： Masayuki Fukuoka ,  Shigeyuki Harada ,  Yoshiki Yanagawa ,  Keita Katoh ,  Kazukiyo Nagai ,  Yuusuke Koizuka ,  Tomoyuki Shimada ,  Akiyoshi Sabu ,  Takuya Yamazaki ,  Akihiko Matsuyama

IPC分类号： C09D11/107 ,  C08F220/30 ,  C08F220/10 ,  C09D11/322 ,  C08F220/28 ,  C08F220/36 ,  C08K5/20

CPC分类号： C08F220/10 ,  C08F220/28 ,  C08F220/36 ,  C08K5/20 ,  C09D11/107 ,  C09D11/322 ,  C08F2220/286 ,  C08F2220/346

摘要： A copolymer includes the structure unit represented by the following Chemical formula 1 and the structure unit represented by the following Chemical formula 2, where R1 and R2 each, independently represent hydrogen atoms or methyl groups, and n represents a value in the range of from 1 to 90, where R3 represents a hydrogen atom or a methyl group and L represents an alkylene group having 2 to 18 carbon atoms.

公开(公告)号：US10370548B2

公开(公告)日：2019-08-06

申请号：US15704834

申请日：2017-09-14

申请人： Shigeyuki Harada ,  Akihiko Matsuyama ,  Yoshiki Yanagawa ,  Masayuki Fukuoka ,  Takuya Yamazaki ,  Kazukiyo Nagai ,  Yuusuke Koizuka ,  Tomoyuki Shimada ,  Akiyoshi Sabu

发明人： Shigeyuki Harada ,  Akihiko Matsuyama ,  Yoshiki Yanagawa ,  Masayuki Fukuoka ,  Takuya Yamazaki ,  Kazukiyo Nagai ,  Yuusuke Koizuka ,  Tomoyuki Shimada ,  Akiyoshi Sabu

IPC分类号： B41J2/17 ,  C09D11/107 ,  C08F220/36 ,  C08F220/58 ,  C09D11/326 ,  B41J2/175 ,  C09D11/033 ,  C09D11/322 ,  C08F220/34

摘要： A copolymer including a structural unit represented by General Formula (1) below, and a structural unit represented by General Formula (2) below, where, in General Formula (1), R1 is a hydrogen atom or a methyl group, L1 is an alkylene group having 2 or greater carbon atoms but 5 or less carbon atoms, and X is a hydrogen atom or a cation, where, in General Formula (2), R2 is a hydrogen atom or a methyl group and L2 is an alkylene group having 2 or greater carbon atoms but 18 or less carbon atoms.