公开(公告)号：US20070009819A1

公开(公告)日：2007-01-11

申请号：US10562859

申请日：2004-07-01

申请人： Nobuyuki Sekine ,  Masami Kuroda ,  Kenichi Ohkura ,  Yoshihiro Ueno ,  Motohiro Takeshima

发明人： Nobuyuki Sekine ,  Masami Kuroda ,  Kenichi Ohkura ,  Yoshihiro Ueno ,  Motohiro Takeshima

IPC分类号： G03G15/02 ,  C09B29/32 ,  C07D409/02

CPC分类号： G03G5/0681 ,  C07D213/42

摘要： A compound useful for a positive charge type electrophotographic photoreceptor with high sensitivity for copiers and printers by using such a novel organic material as a charge transport substance in a photosensitive layer and an electrophotographic apparatus using the same. The compound has a structure represented by the following general formula (I). (In the general formula (I), R1, R2, R3, and R4 each is an alkyl group or the like; R5 and R6 each-is an aryl group or the like; and Z represents a structure having the following general formula (F-A), (F-B) or (F-C). (In the formulae, R7 and R8 each is an optionally substituted alkyl group; m and n each represents an integer of from 0 to 2; and X is a sulfur atom or an oxygen atom.).

摘要翻译： 通过在感光层中使用这种新颖的有机材料作为电荷传输物质和使用其的电子照相设备，可以用于复印机和打印机的高灵敏度的正电荷型电子照相感光体。 该化合物具有由以下通式（I）表示的结构。 （在通式（I）中，R 1，R 2，R 3，R 4和R 4各自 是烷基等; R 5和R 6各自为芳基等; Z表示具有以下通式（FA）的结构， ，（FB）或（FC）（式中，R 7和R 8各自为任选取代的烷基; m和n各自表示从 0〜2; X为硫原子或氧原子）。

公开(公告)号：US06852458B2

公开(公告)日：2005-02-08

申请号：US10357491

申请日：2003-02-04

申请人： Kenichi Ohkura ,  Yoshihiro Ueno ,  Masami Kuroda ,  Nobuyuki Sekine

发明人： Kenichi Ohkura ,  Yoshihiro Ueno ,  Masami Kuroda ,  Nobuyuki Sekine

IPC分类号： C07D333/22 ,  G03G5/047 ,  G03G5/05 ,  G03G5/06 ,  G03G5/14

CPC分类号： G03G5/0521 ,  C07D333/22 ,  G03G5/047 ,  G03G5/0517 ,  G03G5/0535 ,  G03G5/0629 ,  G03G5/0696

摘要： An electrophotographic photoreceptor has excellent electrical properties and is stable even upon repeated use. An electrophotographic apparatus using the electrophotographic photoreceptor uses a compound having an excellent electron transporting ability in a photosensitive layer of the electrophotographic photoreceptor. An electrophotographic photoreceptor, in which a photosensitive layer is located on an electrically conductive substrate either directly or via an undercoat layer, contains a compound having a structure represented by the general formula (I). An electrophotographic apparatus contains the above-mentioned electrophotographic photoreceptor, and carries out a charging process through a positive charging process.

摘要翻译： 电子照相感光体具有优异的电性能，即使重复使用也是稳定的。 使用电子照相感光体的电子照相设备使用在电子照相感光体的感光层中具有优异的电子传输能力的化合物。 其中感光层直接或经由底涂层位于导电基底上的电子照相感光体包含具有由通式（I）表示的结构的化合物。电子照相设备包含上述电子照相感光体， 并通过正充电过程进行充电处理。

公开(公告)号：US06933091B2

公开(公告)日：2005-08-23

申请号：US10444094

申请日：2003-05-23

申请人： Nobuyuki Sekine ,  Masami Kuroda ,  Yoshihiro Ueno ,  Kenichi Ohkura

发明人： Nobuyuki Sekine ,  Masami Kuroda ,  Yoshihiro Ueno ,  Kenichi Ohkura

IPC分类号： G03G5/06 ,  G03G5/047 ,  G03G5/05 ,  G03G5/04 ,  C07D307/02 ,  C07D405/02

CPC分类号： G03G5/0521 ,  G03G5/047 ,  G03G5/0517

摘要： A highly sensitive positively charged type electrophotographic photoconductor includes an organic compound that transports electrons efficiently, improving light emission efficiency. The photoconductor is used in an electrophotographic drum, an electrophotographic cartridge and an electrophotographic apparatus. The photosensitive layer includes at least one compound represented by the following general formula (I) wherein each of R1, R2, R3 and R4, is independently selected from the group consisting of hydrogen atoms, alkyl groups having 1-6 carbon atoms that optionally have substituents and aryl groups that optionally have substituents, each of R5 and R6 is independently selected from the group consisting of hydrogen atoms, alkyl groups having 1-6 carbon atoms that optionally have substituents, aryl groups that optionally have substituents and heterocyclic groups that optionally have substituents, R7 is selected from the group consisting of halogen atoms, alkyl groups having 1-6 carbon atoms that optionally have substituents, aryl groups that optionally have substituents and heterocyclic groups that optionally have substituents, m represents an integer of 0 to 2 and a plurality of R7s are the same or different, the substituents being selected from a group consisting of halogen atoms, alkyl groups having 1-6 carbon atoms, alkoxy groups having 1-6 carbon atoms, aryl groups, and heterocyclic groups.

摘要翻译： 高灵敏度带正电的电子照相感光体包括有效地传输电子的有机化合物，提高发光效率。 光电导体用于电子照相圆筒，电子照像盒和电子照相设备中。 感光层包括至少一种由以下通式（I）表示的化合物，其中R 1，R 2，R 3和R 3各自为 R 4独立地选自氢原子，具有1-6个碳原子的任选具有取代基的烷基和任选具有取代基的芳基，R 5， SUP>和R 6独立地选自氢原子，具有1-6个碳原子的任选具有取代基的烷基，任选具有取代基的芳基和任选具有取代基的杂环基， R 7选自卤素原子，具有1-6个碳原子的任选具有取代基的烷基，任选具有取代基的芳基和任选具有取代基的杂环基，m表示整数 为0〜2，多个R 7相同或不同 取代基选自卤素原子，具有1-6个碳原子的烷基，具有1-6个碳原子的烷氧基，芳基和杂环基。

公开(公告)号：US06825359B2

公开(公告)日：2004-11-30

申请号：US10357504

申请日：2003-02-04

申请人： Kenichi Ohkura ,  Yoshihiro Ueno ,  Masami Kuroda ,  Nobuyuki Sekine

发明人： Kenichi Ohkura ,  Yoshihiro Ueno ,  Masami Kuroda ,  Nobuyuki Sekine

IPC分类号： C07D33316

CPC分类号： H01L51/0068 ,  C07D333/22 ,  G03G5/0517 ,  G03G5/0521 ,  G03G5/0535 ,  G03G5/0629 ,  G03G5/0696 ,  H01L51/0051 ,  H01L51/0052 ,  H01L51/0059 ,  H01L51/42 ,  H01L51/5012 ,  H01L51/5048

摘要： Quinomethane compounds having a structure represented by the general formula (1): wherein R1 to R4 and R9 to R12 are the same or different and each represents a hydrogen atom, an alkyl group having 1 to 12 carbon atoms, a cyclic alkyl group, an aryl group, or an alkoxy group having 1 to 6 carbon atoms; R5 and R6 are the same or different and each represents an alkyl group having 1 to 12 carbon atoms, an aryl group, or a heterocyclic group; R7 and R8 each represents a hydrogen atom; and optional substituents are each a halogen atom, an alkyl group having 1 to 6 carbon atoms, an alkoxy group having 1 to 6 carbon atoms, an aryl group, or a heterocyclic group. Since these compounds transport electrons efficiently, they are useful in electrophotographic photoreceptors and/or organic electroluminescence applications.

摘要翻译： 具有由通式（1）表示的结构的喹啉甲烷化合物：其中R 1至R 4和R 9至R 12相同或不同，各自表示氢原子，具有 1至12个碳原子，环烷基，芳基或具有1至6个碳原子的烷氧基; R 5和R 6相同或不同，表示碳原子数1〜12的烷基，芳基或杂环基。 R 7和R 8各自表示氢原子; 和任选的取代基各自为卤素原子，具有1至6个碳原子的烷基，具有1至6个碳原子的烷氧基，芳基或杂环基。 由于这些化合物有效地传输电子，所以它们可用于电子照相感光体和/或有机电致发光应用中。

公开(公告)号：US20060204874A1

公开(公告)日：2006-09-14

申请号：US11374031

申请日：2006-03-14

申请人： Kenichi Ohkura ,  Motohiro Takeshima ,  Shinichi Omokawa ,  Yoshiki Hasegawa ,  Tohru Kobayashi

发明人： Kenichi Ohkura ,  Motohiro Takeshima ,  Shinichi Omokawa ,  Yoshiki Hasegawa ,  Tohru Kobayashi

IPC分类号： G03G5/06 ,  C07C245/04

CPC分类号： G03G5/0679 ,  C07C245/06 ,  G03G5/0605 ,  G03G5/0607 ,  G03G5/0609 ,  G03G5/0616 ,  G03G5/0629 ,  G03G5/0668 ,  G03G5/0672

摘要： A compound having a superior electron-transporting property useful for electrophotographic photoconductors and organic ELs, a positive charge type electrophotographic photoconductor for high sensitive copiers or printers and an electrophotographic apparatus using the same, by using the organic compound in a photosensitive layer as an electron-transporting material are provided. The present invention relates a quinone compound having a structure represented by Formula (I): (wherein R1, R2, R3, R4, R5, R6, R7 and R8 each denote hydrogen or an alkyl; R9 and R10 each denote hydrogen, an alkyl, aryl, or heterocyclic group; R11 and R12 each denote a halogen, an alkyl, alkoxy, alkyl halide, nitro, aryl, or heterocyclic group; n and m each denote an integer of 0 to 4; A denotes oxygen or SO2; and the substituent is a halogen, an alkyl, alkoxy, alkyl halide, nitro, aryl, or heterocyclic group), an electrophotographic photoconductor, and an electrophotographic apparatus using the same.

摘要翻译： 具有用于电子照相感光体和有机EL的优异电子传输性的化合物，用于高灵敏度复印机或打印机的正电荷型电子照相感光体和使用该化合物的电子照相设备，通过使用感光层中的有机化合物作为电子发射层， 提供运输材料。 本发明涉及具有由式（I）表示的结构的醌化合物：其中R 1，R 2，R 3，R 3，R R 4，R 5，R 6，R 7，R 8和R 8各自表示 氢或烷基; R 9和R 10各自表示氢，烷基，芳基或杂环基; R 11和R 0 > 12各自表示卤素，烷基，烷氧基，烷基卤，硝基，芳基或杂环基; n和m各自表示0〜4的整数; A表示氧或SO 2， 并且取代基是卤素，烷基，烷氧基，烷基卤，硝基，芳基或杂环基），电子照相感光体和使用其的电子照相设备。

公开(公告)号：US6127078A

公开(公告)日：2000-10-03

申请号：US477596

申请日：2000-01-04

申请人： Shinichi Omokawa ,  Kenichi Ohkura ,  Seishi Terasaki ,  Yoshihiro Ueno ,  Kenji Kawate

发明人： Shinichi Omokawa ,  Kenichi Ohkura ,  Seishi Terasaki ,  Yoshihiro Ueno ,  Kenji Kawate

IPC分类号： G03G5/047 ,  G03G5/06

CPC分类号： G03G5/0696 ,  G03G5/047 ,  G03G5/0614 ,  G03G5/0668

摘要： An organic electrophotographic photoconductor diminished in an image trouble due to history of a transfer process in a reversal development system is disclosed. The above organic electrophotographic photoconductor is called a separated-function laminated type organic electrophotographic photoconductor, which has an undercoat layer and a photosensitive layer laminated in this order on a conductive substrate, the photosensitive layer comprising a charge generation layer laminated on the undercoat layer and containing an organic compound, and a charge transport layer laminated on the charge generation layer and containing an organic compound. For the charge generation layer, a titanyloxyphthalocyanine compound is used as a charge generation material. The present invention uses the titanyloxyphthalocyanine compound having a clear diffraction peak at a Bragg angle (2.theta.) of 9.6.degree..+-.0.2.degree. or 27.3.degree..+-.0.2.degree. for CuK.alpha. characteristic X-ray (wavelength 1.541 .ANG.). For the charge transport layer, a specific organic compound is used as a charge transport material.

摘要翻译： 公开了由于反转显影系统中的转印过程的历史而在图像故障中减少的有机电子照相感光体。 上述有机电子照相感光体被称为分离功能层叠型有机电子照相感光体，其具有依次层叠在导电性基板上的底涂层和感光层，该感光层包含层叠在底涂层上的电荷产生层， 有机化合物和层叠在电荷产生层上并含有有机化合物的电荷输送层。 对于电荷产生层，使用钛氧基氧酞菁化合物作为电荷产生材料。 对于CuKα特征X射线（波长1.541ng），本发明使用布拉格角（2θ）为9.6°+/- 0.2°或27.3°±0.2°的具有清晰衍射峰的钛氧基氧酞菁化合物。 对于电荷输送层，使用特定的有机化合物作为电荷输送材料。

公开(公告)号：US06200717B1

公开(公告)日：2001-03-13

申请号：US09558625

申请日：2000-04-26

申请人： Masaru Takeuchi ,  Kenichi Ohkura ,  Shinichi Omokawa

发明人： Masaru Takeuchi ,  Kenichi Ohkura ,  Shinichi Omokawa

IPC分类号： G03G509

CPC分类号： G03G5/0653 ,  G03G5/0609 ,  G03G5/0612 ,  G03G5/0614 ,  G03G5/0618 ,  G03G5/062 ,  G03G5/0674

摘要： In a electrophotographic photoconductor having a single layer type photosensitive layer 3 laminated directly or through an undercoat layer 2 on an electroconductive substrate 1, the single layer type photosensitive layer 3 contains at least a resin binder, a charge generating substance, a hole transfer substance and an electron transfer substance, wherein the hole transfer substance is a compound represented by the general formula (HT1) shown below and an electrophotographic apparatus comprise this photoconductor. This electrophotographic photoconductor has good electric property in positive charge and good stability in repeated use.

摘要翻译： 在具有在导电性基体1上直接或通过底涂层2层压的单层型感光层3的电子照相感光体中，单层型感光层3至少含有树脂粘合剂，电荷产生物质，空穴转移物质和 电子转移物质，其中空穴转移物质是由下述通式（HT1）表示的化合物和电子照相设备包括该光电导体。 该电子照相感光体在正电荷下具有良好的电性能，并且在重复使用中具有良好的稳定性。

公开(公告)号：US06002187A

公开(公告)日：1999-12-14

申请号：US883232

申请日：1997-06-26

申请人： Kenichi Ohkura ,  Hiroyasu Yamada ,  Hiroshi Takemoto

发明人： Kenichi Ohkura ,  Hiroyasu Yamada ,  Hiroshi Takemoto

IPC分类号： B62J6/12 ,  H02K7/00

CPC分类号： B62J6/12

摘要： A bicycle electricity generator is provided including an annular stator and an annular rotor, both of which are coaxially mounted on a bicycle wheel axle in a position between a bicycle wheel hub and a fork, wherein the stator is fixed either on the wheel axle or on the fork; the rotor is fixed in connection with the bicycle wheel hub, the rotor's rotating center being coincident with the rotating center of the bicycle wheel; a rotating force transmitting member made of a resilient material for transmitting a rotating force from the hub to the rotor is provided in a position between the rotor and the hub so as to form frictional engagement with both the rotor and the hub, wherein either an auxiliary transmitting structure is provided for auxiliarily transmitting a rotating force from the bicycle wheel hub to the rotor and wherein one portion of the auxiliary transmitting structure is fixedly secured with respect to the rotor and another portion of the auxiliary transmitting member is fixedly secured with respect to the bicycle wheel or one or more spacers are disposed between the rotor and the rotating force transmitting member and the one or more spacers are in frictional engagement with the rotor and the rotating force transmitting member.

摘要翻译： 本发明提供一种自行车发电机，其包括环形定子和环形转子，它们在自行车轮毂和叉子之间的位置同轴地安装在自行车轮轴上，其中定子被固定在轮轴上或者固定在 叉子 转子与自行车轮毂相连接固定，转子的旋转中心与自行车车轮的旋转中心重合; 在转子和轮毂之间的位置设置有用于将旋转力从轮毂传递到转子的由弹性材料制成的旋转力传递部件，以便与转子和轮毂形成摩擦接合，其中辅助 传递结构用于将自行车轮毂的旋转力辅助地传递到转子，并且其中辅助传动结构的一部分相对于转子固定地固定，并且辅助传动部件的另一部分相对于转子固定地固定 自行车车轮或一个或多个间隔件设置在转子和旋转力传递构件之间，并且一个或多个间隔件与转子和旋转力传递构件摩擦接合。

公开(公告)号：US06749979B2

公开(公告)日：2004-06-15

申请号：US09861871

申请日：2001-05-21

申请人： Masaru Takeuchi ,  Kenichi Ohkura

发明人： Masaru Takeuchi ,  Kenichi Ohkura

IPC分类号： G03G504

CPC分类号： G03G5/0696 ,  G03G5/0614 ,  G03G5/0672

摘要： An electrophotography photosensitive body has a single layer photosensitive layer on top of a conductive substrate, directly or via an undercoat layer. The single layer photosensitive layer contains at least a resin binder, a charge generating substance, and a charge transport substance, wherein at least one of the charge generating substances is a titanyl phthalocyanine, which, in a x-ray powder diffraction spectrum having a radiation source of CuK &agr; and within a range of a Bragg angle 2&thgr;=5˜35°, a ratio, R, of a value, P, of a diffraction intensity of a highest peak and a value, B, of a diffraction intensity of the background satisfies the equation R=(P−B)/B≦7.0. The resulting electrophotographic photosensitive layer shows excellent electrical properties with positive charging as well as excellent stability when repeatedly used.

摘要翻译： 电子摄影感光体直接或经由底涂层在导电性基材的顶部具有单层感光层。 单层感光层至少含有树脂粘合剂，电荷产生物质和电荷输送物质，其中电荷产生物质中的至少一种是酞菁钛，其在具有辐射的x射线粉末衍射光谱 CuKα的源，并且在布拉格角2θ= 5〜35°的范围内，最高峰的衍射强度的值P和B的衍射强度的值B的比率R 背景满足方程式R =（PB）/ B <= 7.0。 所得到的电子照相感光层在反复使用时具有优异的正电荷电气性能以及优异的稳定性。

公开(公告)号：US06485873B1

公开(公告)日：2002-11-26

申请号：US09561598

申请日：2000-04-27

申请人： Kenichi Ohkura ,  Seizou Kitagawa ,  Masaru Takeuchi

发明人： Kenichi Ohkura ,  Seizou Kitagawa ,  Masaru Takeuchi

IPC分类号： G03G504

CPC分类号： G03G5/0672 ,  G03G5/0605 ,  G03G5/0609 ,  G03G5/0612 ,  G03G5/0614 ,  G03G5/0618 ,  G03G5/062 ,  G03G5/0661 ,  G03G5/0674

摘要： A biphenyl derivative is included in a photosensitive layer of an electrophotographic photoconductor. The electrophotographic photoconductor includes a single-layer photosensitive layer coated on a conductive substrate. The photosensitive layer includes a resin binder, a charge generation substance, a hole transport substance, and an electron transport substance. An electrophotographic apparatus using such an electrophotographic photoconductor has excellent electrical characteristics in a positive chargine system and is stable in repeated use.

摘要翻译： 联苯衍生物包括在电子照相感光体的感光层中。 电子照相感光体包括涂覆在导电基底上的单层感光层。 感光层包括树脂粘合剂，电荷产生物质，空穴传输物质和电子传输物质。 使用这种电子照相感光体的电子照相设备在正电荷系统中具有优异的电特性，并且在重复使用中是稳定的。