公开(公告)号：US08475984B1

公开(公告)日：2013-07-02

申请号：US13466634

申请日：2012-05-08

Applicant: Hidekazu Hirose ,  Ryosaku Igarashi ,  Katsuhiro Sato

Inventor： Hidekazu Hirose ,  Ryosaku Igarashi ,  Katsuhiro Sato

IPC: G03G5/06 ,  G03G5/07

CPC classification number: G03G5/0629 ,  G03G5/0614 ,  G03G5/076

Abstract: An image holding member for an image forming apparatus includes a support and a photosensitive layer disposed on the support and containing a compound represented by following formula (I), wherein R1s each independently represent a substituted or unsubstituted linear or branched alkyl group having from 1 to 8 carbon atoms; Ar's each independently represent a substituted or unsubstituted phenyl group, a substituted or unsubstituted monovalent polynuclear aromatic hydrocarbon group having two aromatic rings, a substituted or unsubstituted monovalent condensed aromatic hydrocarbon group having two or three aromatic rings, or a substituted or unsubstituted monovalent aromatic heterocyclic group; and n's each independently represent a number of from 0 to 7.

Abstract translation: 用于图像形成装置的图像保持部件包括载体和设置在载体上的感光层，并且含有下式（I）表示的化合物，其中R 1各自独立地表示取代或未取代的直链或支链烷基，其具有1〜 8个碳原子; Ar各自独立地表示取代或未取代的苯基，具有两个芳香环的取代或未取代的一价多价芳香族烃基，具有两个或三个芳香环的取代或未取代的一价稠合芳香族烃基，或取代或未取代的1价芳香族杂环基 ; n分别独立地表示0〜7的数。

公开(公告)号：US08741515B2

公开(公告)日：2014-06-03

申请号：US13469606

申请日：2012-05-11

Applicant: Hidekazu Hirose ,  Ryosaku Igarashi ,  Katsuhiro Sato

Inventor： Hidekazu Hirose ,  Ryosaku Igarashi ,  Katsuhiro Sato

IPC: G03G5/06

CPC classification number: G03G5/0661 ,  G03G5/0614 ,  G03G5/0648 ,  G03G5/076 ,  G03G15/0142 ,  G03G21/18

Abstract: Provided is an image holding member for an image forming apparatus including a support; and a photosensitive layer disposed on the support and containing a compound represented by the following formula (I): wherein in the formula (I), R1's each independently represent a substituted or unsubstituted, linear or branched alkyl group having from 1 to 8 carbon atoms; Ar's each independently represent a substituted or unsubstituted phenyl group, a substituted or unsubstituted monovalent polynuclear aromatic hydrocarbon group having two aromatic rings, a substituted or unsubstituted monovalent condensed aromatic hydrocarbon group having two or three aromatic rings, or a substituted or unsubstituted monovalent aromatic heterocyclic group; and n's each independently represent a number of from 0 to 7.

Abstract translation: 提供一种用于包括支撑件的图像形成装置的图像保持构件; 和设置在载体上并含有由下式（I）表示的化合物的感光层：其中在式（I）中，R 1各自独立地表示具有1至8个碳原子的取代或未取代的直链或支链烷基 ; Ar各自独立地表示取代或未取代的苯基，具有两个芳香环的取代或未取代的一价多价芳香族烃基，具有两个或三个芳香环的取代或未取代的一价稠合芳香族烃基，或取代或未取代的1价芳香族杂环基 ; n分别独立地表示0〜7的数。

公开(公告)号：US08741527B2

公开(公告)日：2014-06-03

申请号：US13338711

申请日：2011-12-28

Applicant: Yoshihiro Inaba ,  Akira Imai ,  Daisuke Yoshino ,  Takako Kobayashi ,  Koji Horiba ,  Takahiro Ishizuka ,  Masahiro Oki ,  Ryosaku Igarashi

Inventor： Yoshihiro Inaba ,  Akira Imai ,  Daisuke Yoshino ,  Takako Kobayashi ,  Koji Horiba ,  Takahiro Ishizuka ,  Masahiro Oki ,  Ryosaku Igarashi

IPC: G03G9/08

CPC classification number: G03G9/131 ,  G03G9/135

Abstract: A liquid developer includes: a carrier liquid; and toner particles that are dispersed in the carrier liquid and that includes a styrene-based thermoplastic elastomer, a styrene-based thermoplastic resin, and a quaternary ammonium base-containing polymer having a constituent unit expressed by Chemical Formula I: wherein R1 represents hydrogen or an alkyl group with a carbon number equal to or less than 3, R2 represents an alkylene group with a carbon number equal to or less than 18, R3 to R5 represent an alkyl group or an aralkyl group with a carbon number equal to or less than 18, X represents —COO— or —CONH—, and Y− represents a halogen ion or an anion having a —COO— group or a —SO3— group in the structure thereof.

Abstract translation: 液体显影剂包括：载体液体; 以及分散在载体液体中的调色剂颗粒，其包含苯乙烯基热塑性弹性体，苯乙烯基热塑性树脂和具有由化学式I表示的构成单元的含季铵碱的聚合物：其中R1表示氢或 碳数等于或小于3的烷基，R 2表示碳数等于或小于18的亚烷基，R 3至R 5表示烷基或碳数等于或小于C 1的芳烷基 18，X表示-COO-或-CONH-，Y-表示卤素离子或其结构中具有-COO-基或-SO3-基团的阴离子。

公开(公告)号：US08090299B2

公开(公告)日：2012-01-03

申请号：US12335640

申请日：2008-12-16

Applicant: Keitaro Mori ,  Ryosaku Igarashi ,  Yasuaki Watanabe

Inventor： Keitaro Mori ,  Ryosaku Igarashi ,  Yasuaki Watanabe

IPC: G03G15/10

CPC classification number: G03G15/104

Abstract: A developer supply device, includes: a developer holder; and a developer reservoir which is disposed inside of the developer holder, holds a liquid developer, and has at least one supply section that supplies the liquid developer from the developer reservoir to the developer holder, the liquid developer including a toner and an aqueous medium, and the developer supply device supplying the liquid developer that has been supplied to the developer holder to a medium which is a supply target for the liquid developer.

Abstract translation: 一种显影剂供应装置，包括：显影剂载体; 以及显影剂储存器，其设置在显影剂保持器的内部，保持液体显影剂，并且具有至少一个供应部分，其将液体显影剂从显影剂储存器供应到显影剂载体，液体显影剂包括调色剂和水性介质， 以及将已经供给到显影剂保持器的液体显影剂供给到作为液体显影剂的供给对象的介质的显影剂供应装置。

公开(公告)号：US5643703A

公开(公告)日：1997-07-01

申请号：US555017

申请日：1995-11-13

Applicant: Katsumi Daimon ,  Katsumi Nukada ,  Yasuo Sakaguchi ,  Ryosaku Igarashi

Inventor： Katsumi Daimon ,  Katsumi Nukada ,  Yasuo Sakaguchi ,  Ryosaku Igarashi

IPC: C09B47/18 ,  C07D487/22 ,  C09B67/16 ,  C09B67/50 ,  G03G5/06

CPC classification number: C09B67/0026 ,  C09B67/0019 ,  G03G5/0696

Abstract: A hydroxygallium phthalocyanine crystal, having distinct diffraction peaks at Bragg angles (20+/-0.2.degree.) of 7.0.degree., 13.4.degree., 16.6.degree., 26.0.degree. and 26.7.degree. to CuK.alpha. characteristic X-ray in X-ray diffraction spectrum; a process for preparing the hydroxygallium phthalocyanine crystal; and a electrophotographic photoreceptor comprising the hydroxygallium phthalocyanine crystal.

Abstract translation: 在X射线衍射光谱中，CuKα特征X射线的布拉格角（20 +/- 0.2°）为7.0°，13.4°，16.6°，26.0°和26.7°处具有不同衍射峰的羟基镓酞菁晶体; 一种制备羟基镓酞菁晶体的方法; 和包含羟基镓酞菁晶体的电子照相感光体。

公开(公告)号：US5545733A

公开(公告)日：1996-08-13

申请号：US288079

申请日：1994-08-10

Applicant: Katsumi Daimon ,  Katsumi Nukada ,  Yasuo Sakaguchi ,  Ryosaku Igarashi

Inventor： Katsumi Daimon ,  Katsumi Nukada ,  Yasuo Sakaguchi ,  Ryosaku Igarashi

IPC: C09B67/12 ,  C09B67/50 ,  G03G5/06 ,  C09B47/04

CPC classification number: C09B67/0016 ,  C09B67/0026

Abstract: A method for preparing hydroxygallium phthalocyanine crystals wherein hydroxygallium phthalocyanine crystals having distinct diffraction peaks at 7.0.degree., 13.4.degree., 16.6.degree., 26.0.degree. and 26.7.degree. of the Bragg angle (2.theta..+-.0.2.degree.) with respect to CuK.alpha. characteristics X-ray in the X-ray diffraction spectrum are crystal-transferred by solvent treatment. The crystals after crystal-transfer have distinct diffraction peaks at (i) 7.7.degree., 16.5.degree., 25.1.degree. and 26.6.degree., (ii) 7.9.degree., 16.5.degree., 24.4.degree. and 27.6.degree., (iii) 7.0.degree., 7.5.degree., 10.5.degree., 11.7.degree., 12.7.degree., 17.3.degree., 18.1.degree., 24.5.degree., 26.2.degree. and 27.1, (iv) 7.5.degree., 9.9.degree., 12.5.degree., 16.3.degree., 18.6.degree., 25.1.degree. and 28.8.degree. or (v) 6.8.degree., 12.8.degree., 15.8.degree. and 26.0.degree. of the Bragg angle (2.theta..+-.0.2.degree. C.) with respect to CuK.alpha. characteristics X-ray in the X-ray diffraction spectrum. An electrophotographic photoreceptor having a light-sensitive layer on a electroconductive substrate wherein the light-sensitive layer contains at least one of the hydroxygallium phthalocyanine crystals.

Abstract translation: 一种制备羟基镓酞菁晶体的方法，其中具有相对于CuKα特征X的布拉格角（2θ+/- 0.2°）的7.0°，13.4°，16.6°，26.0°和26.7°处具有不同衍射峰的羟基镓酞菁晶体 X-射线衍射光谱中的-ray通过溶剂处理进行结晶转移。 结晶转移后的晶体在（i）7.7°，16.5°，25.1°和26.6°，（ii）7.9°，16.5°，24.4°和27.6°，（iii）7.0°，7.5°， 10.5°，11.7°，12.7°，17.3°，18.1°，24.5°，26.2°和27.1°，（iv）7.5°，9.9°，12.5°，16.3°，18.6°，25.1°和28.8°或（v） 相对于X射线衍射光谱中的CuKα特征X射线，布拉格角（2θ+/- 0.2℃）的6.8°，12.8°，15.8°和26.0°。 在导电性基体上具有感光层的电子照相感光体，其中感光层含有至少一种羟基镓酞菁晶体。

公开(公告)号：US5516609A

公开(公告)日：1996-05-14

申请号：US220164

申请日：1994-03-30

Applicant: Katsumi Daimon ,  Ryosaku Igarashi

Inventor： Katsumi Daimon ,  Ryosaku Igarashi

IPC: C07F5/00 ,  C09B47/04 ,  C09B67/50 ,  G03G5/06 ,  G03G5/08

CPC classification number: G03G5/0696

Abstract: A methoxy gallium phthalocyanine compound represented by formula (I): ##STR1## wherein X represents a chlorine atom, a bromine atom, or an iodine atom; and n represents an integer of from 0 to 4; and an electrophotographic photoreceptor using the methoxy gallium phthalocyanine compound.

Abstract translation: 由式（I）表示的甲氧基镓酞菁化合物：其中X表示氯原子，溴原子或碘原子; n表示0〜4的整数， 和使用甲氧基镓酞菁化合物的电子照相感光体。

公开(公告)号：US08563209B2

公开(公告)日：2013-10-22

申请号：US13212625

申请日：2011-08-18

Applicant: Koji Horiba ,  Yoshihiro Inaba ,  Ryosaku Igarashi ,  Akira Imai ,  Takako Kobayashi ,  Daisuke Yoshino ,  Takahiro Ishizuka

Inventor： Koji Horiba ,  Yoshihiro Inaba ,  Ryosaku Igarashi ,  Akira Imai ,  Takako Kobayashi ,  Daisuke Yoshino ,  Takahiro Ishizuka

IPC: G03G9/13

CPC classification number: G03G9/13 ,  G03G9/133 ,  G03G9/135 ,  G03G9/1355

Abstract: A liquid developer includes: a carrier liquid and toner particles dispersed in the carrier liquid, including a binder resin which contains a thermoplastic resin having repeating units derived from a monomer having a styrene skeleton and repeating units derived from a monomer having an acrylic ester structure, and a thermoplastic elastomer resin that is a block copolymer, the block copolymer having a first block portion including repeating units derived from a monomer having a styrene skeleton, a second block portion including repeating units derived from an alkene having 2 to 6 carbon atoms, and a third block portion including repeating units derived from a monomer having a styrene skeleton and these block portions being bonded in this order.

Abstract translation: 液体显影剂包括：载体液体和分散在载体液体中的调色剂颗粒，包括粘合剂树脂，其包含具有衍生自具有苯乙烯骨架的单体的重复单元的热塑性树脂和源自具有丙烯酸酯结构的单体的重复单元， 和作为嵌段共聚物的热塑性弹性体树脂，所述嵌段共聚物具有包含衍生自具有苯乙烯骨架的单体的重复单元的第一嵌段部分，包含衍生自碳原子数2〜6的烯烃的重复单元的第二嵌段部分，以及 第三嵌段部分包括衍生自具有苯乙烯骨架的单体的重复单元，并且这些嵌段部分按此顺序键合。

公开(公告)号：US08304154B2

公开(公告)日：2012-11-06

申请号：US12552764

申请日：2009-09-02

Applicant: Takako Kobayashi ,  Yoshihiro Inaba ,  Ryosaku Igarashi ,  Masahiro Takamatsu

Inventor： Takako Kobayashi ,  Yoshihiro Inaba ,  Ryosaku Igarashi ,  Masahiro Takamatsu

IPC: G03G9/00

CPC classification number: G03G19/00 ,  G03G9/125 ,  G03G9/131 ,  G03G9/135 ,  G03G9/1355

Abstract: The present invention provides a particle dispersion liquid including (meth)acrylic resin-containing hydrophobic particles, an acetylene glycol surfactant adsorbed to the hydrophobic particles, and water; the particle size, in a state of being swollen due to absorbing water until saturation, of the hydrophobic particles to which the acetylene glycol surfactant has been adsorbed being 1.1 to 2 times as large as the particle size of the hydrophobic particles in a dried state.

Abstract translation: 本发明提供一种包含（甲基）丙烯酸树脂的疏水性颗粒，吸附在疏水性颗粒上的乙炔二醇表面活性剂和水的颗粒分散液。 已经吸附了乙炔二醇表面活性剂的疏水性颗粒在干燥状态下的疏水性颗粒的粒径的1.1〜2倍的粒径，由于吸收水直至饱和而发生膨胀的状态。

公开(公告)号：US20090262164A1

公开(公告)日：2009-10-22

申请号：US12335640

申请日：2008-12-16

Applicant: Keitaro Mori ,  Ryosaku Igarashi ,  Yasuaki Watanabe

Inventor： Keitaro Mori ,  Ryosaku Igarashi ,  Yasuaki Watanabe

IPC: B41J2/14 ,  B41J2/16

CPC classification number: G03G15/104

Abstract: A developer supply device, includes: a developer holder; and a developer reservoir which is disposed inside of the developer holder, holds a liquid developer, and has at least one supply section that supplies the liquid developer from the developer reservoir to the developer holder, the liquid developer including a toner and an aqueous medium, and the developer supply device supplying the liquid developer that has been supplied to the developer holder to a medium which is a supply target for the liquid developer.

Abstract translation: 一种显影剂供应装置，包括：显影剂载体; 以及显影剂储存器，其设置在显影剂保持器的内部，保持液体显影剂，并且具有至少一个供应部分，其将液体显影剂从显影剂储存器供应到显影剂载体，液体显影剂包括调色剂和水性介质， 以及将已经供给到显影剂保持器的液体显影剂供给到作为液体显影剂的供给对象的介质的显影剂供应装置。