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1. 发明授权

US5403688A Method for determining termination time of the step of dispersing a coating composition for photosensitive layer of electrophotographic photoreceptor and electrophotographic photoreceptor prepared using the dispersion 失效
标题翻译：用于分散使用该分散体制备的电子照相感光体和电子照相感光体的感光层的涂料组合物分散步骤的终止时间的方法
公开(公告)号：US5403688A
公开(公告)日：1995-04-04
申请号：US646312
申请日：1991-01-28
申请人： Seiji Ashiya , Taketoshi Hoshizaki , Ryosaku Igarashi , Koji Bando , Masanori Murase , Takahiro Suzuki , Masahiko Hodumi , Sadao Okano
发明人： Seiji Ashiya , Taketoshi Hoshizaki , Ryosaku Igarashi , Koji Bando , Masanori Murase , Takahiro Suzuki , Masahiko Hodumi , Sadao Okano
IPC分类号： G03G5/00 , G03G5/05 , G03G15/08
CPC分类号： G03G5/0525
摘要： A method for determining a termination time of the step of dispersing a coating composition for a photosensitive layer, containing a binder resin, a powdery charge generating material and a solvent, is disclosed, which comprises (i) providing coating (I) on a substrate by coating the coating composition, following by drying, (ii) providing coating (II) on a substrate by dispersing the coating composition using a dispersion medium to fine the powdery charge generating material, followed by drying, (iii) measuring absorbances of coating (I) at two wavelengths within a short wavelength region and a long wavelength region, respectively, of the spectral absorption wavelength of the charge generating material, (iv) measuring absorbances of coating (II) at the two wavelengthes within the short wavelength region and the long wavelength region, respectively, and (v) calculating spectral absorbance ratios of coatings (I) and (II), respectively, from the following equation: ##EQU1## wherein the dispersing of the coating composition is terminated when the ratio of the spectral absorbance ratio of coating (II) to that of coating (I) exceed a predetermined value.
摘要翻译：公开了一种用于确定分散含有粘合剂树脂，粉末电荷产生材料和溶剂的感光层用涂料组合物的步骤的终止时间的方法，其包括（i）在基材上提供涂层（I）通过涂覆涂料组合物，然后通过干燥，（ii）通过使用分散介质分散涂料组合物在基材上提供涂层（II），以使粉末电荷产生材料细化，然后干燥，（iii）测量涂层的吸光度（ I）分别在电荷产生材料的光谱吸收波长的短波长区域和长波长区域内的两个波长处，（iv）测量短波长区域内的两个波长处的涂层（II）的吸光度，以及分别从长波长区域和（v）分别根据以下等式计算涂层（I）和（II）的光谱吸光度比：其中，二当涂层（II）的光谱吸收比与涂层（I）的光谱吸收比之比超过预定值时，终止涂料组合物的喷涂。

2. 发明授权

US06876371B2 Image forming apparatus 失效
标题翻译：图像形成装置
公开(公告)号：US06876371B2
公开(公告)日：2005-04-05
申请号：US10683273
申请日：2003-10-14
申请人： Takahiro Suzuki , Taketoshi Hoshizaki , Katsumi Nukada , Mitsuhide Nakamura , Kazuhiro Koseki , Takayuki Yamashita , Wataru Yamada , Koji Bando
发明人： Takahiro Suzuki , Taketoshi Hoshizaki , Katsumi Nukada , Mitsuhide Nakamura , Kazuhiro Koseki , Takayuki Yamashita , Wataru Yamada , Koji Bando
IPC分类号： G03G15/01 , G03G5/05 , G03G5/07 , G03G5/147 , G03G15/00 , G03G15/02 , G03G15/04 , G03G15/16 , H04N1/113 , B41J2/385 , G03G15/09
CPC分类号： G03G15/75 , G03G5/0578 , G03G5/14773 , G03G2215/00957
摘要： The invention provides an image forming apparatus comprising at least: an electrophotographic photoreceptor comprising at least a conductive substrate and a photosensitive layer provided on the conductive substrate; a charging device; an exposure device; a developing device; and a transfer device, wherein the exposure device is of a multi beam exposure system which has a surface emitting laser array having two or more light-emitting elements as an exposure light source and which scan the electrophotographic photoreceptor with plural light beams thereby forming electrostatic latent image, and wherein the outermost layer in the electrophotographic photoreceptor, positioned most distant from the conductive substrate, contains a silicon-containing resin containing at least a charge transporting compound or a characteristic group derived from a charge transporting compound, and having a structure in which bonds formed by crosslinking of an O atom with neighboring Si atoms are formed three dimensionally.
摘要翻译：本发明提供一种图像形成装置，其至少包括：电子照相感光体，至少包括导电基底和设置在导电基底上的感光层; 充电装置; 曝光装置; 显影装置以及转印装置，其中所述曝光装置是具有表面发射激光器阵列的多光束曝光系统，所述表面发射激光器阵列具有两个或更多个发光元件作为曝光光源，并且用多个光束扫描所述电子照相感光体，从而形成静电潜像图像，并且其中位于最远离导电基底的电子照相感光体中的最外层包含至少含有电荷输送化合物或源自电荷输送化合物的特征基团的含硅树脂，并且具有以下结构：由O原子与相邻的Si原子交联形成的键三维形成。

3. 发明授权

US5834146A Electrophotographic photoreceptor containing uniform and nonuniform charge transporting layers 失效
标题翻译：含有均匀和不均匀电荷输送层的电子照相感光体
公开(公告)号：US5834146A
公开(公告)日：1998-11-10
申请号：US681370
申请日：1996-07-23
申请人： Taketoshi Hoshizaki , Yasuhiro Yamaguchi , Yasuo Sakaguchi , Ryosaku Igarashi
发明人： Taketoshi Hoshizaki , Yasuhiro Yamaguchi , Yasuo Sakaguchi , Ryosaku Igarashi
IPC分类号： G03G5/05 , G03G5/043 , G03G5/047 , G03G5/07 , G03G5/08
CPC分类号： G03G5/076 , G03G5/047
摘要： An electrophotographic photoreceptor comprising an electrically conductive substrate having thereon a charge-generating layer and a charge-transporting layer, wherein the charge-transporting layer comprises: a nonuniform charge-transporting layer comprising an electrically inactive matrix and a charge-transporting domain dispersed in the matrix; and the uniform charge-transporting layer comprising a charge-transporting matrix.
摘要翻译：一种电子照相感光体，包括其上具有电荷产生层和电荷输送层的导电基底，其中所述电荷输送层包括：不均匀电荷输送层，其包含电不活泼基质和分散在所述电荷输送层中的电荷输送结构域矩阵; 并且均匀的电荷输送层包含电荷传输基质。

4. 发明授权

US6020426A Charge-transporting copolymer, method of forming charge-transporting copolymer, electrophotographic photosensitive body, and electrophotographic device 失效
标题翻译：电荷输送共聚物，形成电荷输送共聚物的方法，电子照相感光体和电子照相装置
公开(公告)号：US6020426A
公开(公告)日：2000-02-01
申请号：US962831
申请日：1997-11-03
申请人： Yasuhiro Yamaguchi , Fumiaki Tambo , Taketoshi Hoshizaki , Yasuo Sakaguchi , Ryosaku Igarashi , Masakazu Iijima , Taketoshi Higashi
发明人： Yasuhiro Yamaguchi , Fumiaki Tambo , Taketoshi Hoshizaki , Yasuo Sakaguchi , Ryosaku Igarashi , Masakazu Iijima , Taketoshi Higashi
IPC分类号： C08F257/02 , C08F271/00 , C08F293/00 , C08G63/685 , G03G5/07 , C08G63/93 , C07C211/54 , C07C211/61 , C08F20/10
CPC分类号： C08F271/00 , C08F257/02 , C08F293/005 , G03G5/076 , C08G63/6856
摘要： A charge transporting block and an insulating block are block copolymerized or graft copolymerized to form a charge transporting copolymer. The charge transporting polymers may be used in an electrophotographic photoreceptor and an electrophotographic device.
摘要翻译：电荷传输块和绝缘块被嵌段共聚或接枝共聚以形成电荷传输共聚物。电荷输送聚合物可以用于电子照相感光体和电子照相装置中。

5. 发明授权

US5942361A Electrophotographic photosensitive member having S-type photo-induced potential decay and electrophotographic apparatus 失效
标题翻译：具有S型光诱导电位衰减和电子照相设备的电子照相感光构件
公开(公告)号：US5942361A
公开(公告)日：1999-08-24
申请号：US872107
申请日：1997-06-10
申请人： Taketoshi Hoshizaki , Yasuo Sakaguchi , Yasuhiro Yamaguchi , Ryosaku Igarashi
发明人： Taketoshi Hoshizaki , Yasuo Sakaguchi , Yasuhiro Yamaguchi , Ryosaku Igarashi
IPC分类号： C08G63/685 , C08G73/00 , C08L69/00 , G03G5/047 , G03G5/05 , G03G5/06 , G03G5/07
CPC分类号： G03G5/076 , G03G5/047 , G03G5/0575
摘要： An electrophotographic photosensitive element having S-type photo-induced potential decay characteristics and an electrophotographic apparatus using the photosensitive member are provided.The photosensitive member comprises a charge generation layer and a charge transport layer on an electroconductive substrate. The charge transport layer contains a polymer in a phase separated state with a modulated structure, comprising an electrically inactive phase and a charge transporting phase. The amount of exposure required for 50% potential decay is less than 5 times the exposure amount required for 10% potential decay. The modulated structure includes, for example, a mixture of insulating polymer and charge transporting polymer and the like. The modulated structure can be formed by the method of separating a homogeneous phase of these polymers into two phases.
摘要翻译：提供具有S型光诱导电位衰减特性的电子照相感光元件和使用该感光元件的电子照相设备。感光构件包括导电衬底上的电荷产生层和电荷输送层。电荷传输层包含具有调制结构的相分离状态的聚合物，包括电不活跃相和电荷输送相。 50％电位衰减所需的曝光量小于10％潜在衰变所需的曝光量的5倍。调制结构包括例如绝缘聚合物和电荷输送聚合物的混合物等。可以通过将这些聚合物的均相分离成两相的方法形成调制结构。

6. 发明授权

US6002901A Electrophotographic photoreceptor and electrophotographic apparatus 失效
标题翻译：电子照相感光体和电子照相设备
公开(公告)号：US6002901A
公开(公告)日：1999-12-14
申请号：US110029
申请日：1998-07-02
申请人： Taketoshi Hoshizaki , Yashuhiro Yamaguchi , Yasuo Sakaguchi , Ryosaku Igarashi
发明人： Taketoshi Hoshizaki , Yashuhiro Yamaguchi , Yasuo Sakaguchi , Ryosaku Igarashi
IPC分类号： G03G5/047 , G03G5/07 , G03G15/04
CPC分类号： G03G5/047 , G03G5/076
摘要： An electrophotographic photoreceptor comprising an electrically conductive substrate having thereon a charge-generating layer and a charge-transporting layer, wherein the charge-transporting layer comprises: a nonuniform charge-transporting layer comprising an electrically inactive matrix and a charge-transporting domain dispersed in the matrix; and the uniform charge-transporting layer comprising a charge-transporting matrix.
摘要翻译：一种电子照相感光体，包括其上具有电荷产生层和电荷输送层的导电基底，其中所述电荷输送层包括：不均匀电荷输送层，其包含电不活泼基质和分散在所述电荷输送层中的电荷输送结构域矩阵; 并且均匀的电荷输送层包含电荷传输基质。

7. 发明授权

US5424159A Electrophotographic photoreceptor 失效
标题翻译：电子照相感光体
公开(公告)号：US5424159A
公开(公告)日：1995-06-13
申请号：US102246
申请日：1993-08-05
申请人： Kiyokazu Mashimo , Fumio Ojima , Toru Ishii , Tomoo Kobayashi , Taketoshi Hoshizaki , Ryosaku Igarashi , Tomozumi Uesaka
发明人： Kiyokazu Mashimo , Fumio Ojima , Toru Ishii , Tomoo Kobayashi , Taketoshi Hoshizaki , Ryosaku Igarashi , Tomozumi Uesaka
IPC分类号： G03G5/047 , G03G5/05 , G03G5/06 , G03G5/09
CPC分类号： G03G5/047 , G03G5/0564 , G03G5/0614 , G03G5/0616
摘要： An electrophotographic photoreceptor comprising a conductive substrate having formed thereon a photosensitive layer containing at least a charge generating material, a charge transporting material, and a binder resin, wherein said charge transporting material comprises a benzidine compound and/or a low-molecular weight charge transporting material having a molecular weight of from 200 to 400 and said binder resin mainly comprises a polycarbonate resin comprising a recurring unit represented by formula (I): ##STR1## and having a viscosity-average molecular weight ranging from 50,000 and 100,000, said charge transporting material and said binder resin being at a weight ratio of from 25:75 to 60:40. The photoreceptor exhibits improved abrasion resistance and improved peeling resistance while retaining excellent electrical and image characteristics.
摘要翻译：一种电子照相感光体，包括在其上形成有至少含有电荷产生材料，电荷输送材料和粘合剂树脂的感光层的导电基材，其中所述电荷输送材料包含联苯胺化合物和/或低分子量电荷输送分子量为200-400的材料和所述粘结剂树脂主要包含一种聚碳酸酯树脂，其包含由式（I）代表的重复单元：（I），粘均分子量为50,000和100,000，所述电荷输送材料和所述粘合剂树脂的重量比为25:75至60:40。感光体表现出改进的耐磨性和改善的耐剥离性，同时保持优异的电气和图像特性。

8. 发明授权

US06773857B2 Electrophotographic photoreceptor, processes for producing the same, process cartridge, and electrophotographic apparatus 失效
标题翻译：电子照相感光体，其制造方法，处理盒和电子照相设备
公开(公告)号：US06773857B2
公开(公告)日：2004-08-10
申请号：US10265783
申请日：2002-10-08
申请人： Hirofumi Nakamura , Ichiro Takegawa , Hidemi Nukada , Masahiro Iwasaki , Michiko Aida , Yukiko Kamijo , Masahiko Miyamoto , Tetsuya Ezumi , Takashi Yamada , Koji Bando , Taketoshi Hoshizaki
发明人： Hirofumi Nakamura , Ichiro Takegawa , Hidemi Nukada , Masahiro Iwasaki , Michiko Aida , Yukiko Kamijo , Masahiko Miyamoto , Tetsuya Ezumi , Takashi Yamada , Koji Bando , Taketoshi Hoshizaki
IPC分类号： G03G1504
CPC分类号： G03G5/142 , G03G5/14
摘要： An electrophotographic photoreceptor having, between an electroconductive substrate and a photosensitive layer, an interlayer which contains fine metal oxide particles and a binder resin and which, when an electric field of 106 V/m is applied thereto at 28° C. and 85% RH, has a volume resistivity of from 108 to 1013 &OHgr;·cm and, when an electric field of 106 V/m is applied thereto at 15° C. and 15% RH, has a volume resistivity which is up to 500 times the volume resistivity thereof as measured when an electric field of 106 V/m is applied thereto at 28° C. and 85% RH.
摘要翻译：一种电子照相感光体，其在导电性基材和感光层之间具有含有金属氧化物微粒和粘合剂树脂的中间层，并且当在28℃下施加10 6 V / m的电场时， 85％RH，体积电阻率为10 8至10 13Ω·cm，当在15℃和15％RH下施加10 6 V / m的电场时，具有当在28℃和85％RH下施加10 6 V / m的电场时，体积电阻率高达其体积电阻率的500倍。

9. 发明授权

US07358984B2 Image forming apparatus including multibeam exposure unit having surface emitting laser array 有权
标题翻译：图像形成装置包括具有表面发射激光器阵列的多光束曝光单元
公开(公告)号：US07358984B2
公开(公告)日：2008-04-15
申请号：US10683279
申请日：2003-10-14
申请人： Taketoshi Hoshizaki , Hidemi Nukada , Takahiro Suzuki
发明人： Taketoshi Hoshizaki , Hidemi Nukada , Takahiro Suzuki
IPC分类号： B41J2/435
CPC分类号： G03G15/751 , G03G15/04036 , G03G15/0435 , G03G2215/0404 , G03G2215/0407
摘要： An image forming apparatus includes: an electrophotographic photoreceptor having a conductive substrate and a photosensitive layer provided on the conductive substrate; a charging unit for charging the electrophotographic photoreceptor; an exposure unit for exposing the charged electrophotographic photoreceptor to light thereby forming an electrostatic latent image; a developing unit for developing the electrostatic latent image with toner thereby forming a toner image; and a transfer unit for transferring the toner image from the electrophotographic photoreceptor to a transferred image-receiving medium. The exposure unit is a multi beam exposure unit which has a surface emitting laser array and which carries out the electrostatic latent image formation by scanning the electrophotographic photoreceptor with eight or more light beams where electrophotographic photoreceptor gives a quantum efficiency of 0.3 or higher when the electrophotographic photoreceptor is charged to a charged potential absolute value of 500 V and then irradiated with a monochromatic light of the same wavelength as that of the light beams to decay the charged potential absolute value to 250 V.
摘要翻译：图像形成装置包括：电子照相感光体，其具有导电性基板和设置在导电性基板上的感光层; 用于对电子照相感光体充电的充电单元; 曝光单元，用于将充电的电子照相感光体曝光，从而形成静电潜像; 显影单元，用于利用调色剂显影静电潜像，从而形成调色剂图像; 以及用于将调色剂图像从电子照相感光体转印到转印的图像接收介质的转印单元。曝光单元是具有表面发射激光器阵列并且通过用八个或更多个光束扫描电子照相感光体来进行静电潜像形成的多光束曝光单元，其中电子照相感光体当电子照相感光体的电子照相感光体的量子效率为0.3或更高时感光体被充电到500V的充电电位绝对值，然后用与光束相同波长的单色光照射以将充电电位绝对值衰减到250V。

10. 发明授权

US5965063A Charge transporting material and method of preparing charge transporting particulates used therein 失效
标题翻译：电荷输送材料及其中使用的电荷输送微粒的制备方法
公开(公告)号：US5965063A
公开(公告)日：1999-10-12
申请号：US971722
申请日：1997-11-17
申请人： Takeshi Agata , Masakazu Iijima , Wataru Yamada , Katsumi Nukada , Yasuhiro Yamaguchi , Taketoshi Hoshizaki
发明人： Takeshi Agata , Masakazu Iijima , Wataru Yamada , Katsumi Nukada , Yasuhiro Yamaguchi , Taketoshi Hoshizaki
IPC分类号： G03G5/06 , C09K11/06 , G03G5/07 , H01L51/30 , H01L51/50 , H01B1/12 , B32B5/00 , H01B1/20
CPC分类号： H01L51/5012 , C09K11/06 , H01L51/004 , Y02E10/549 , Y10T428/2998
摘要： Disclosed are a charge transporting material useful as a material for organic electronic devices such as an electrophotographic photoreceptor, an organic EL device, and an organic solar cell and a process for the preparation of charge transporting fine particles. The charge transporting material comprises charge transporting fine particles formed with a charge transporting organic compound as an essential component, said charge transporting organic compound being selected from high molecular compounds and low molecular compounds, each having a positive hole transporting property or electron transporting property. The fine particles are granulated by emulsion dispersion, with a preferred average particle size of 0.01 to 50 .mu.m, and particle size distribution of 1.0 to 2.0 in terms of the square root of the ratio of 90% average particle size to 10% average particle size of the total volume or total number of the fine particles. At least one portion of the surface of the fine particles may be covered with a second compound which may react with said charge transporting compound.
摘要翻译：公开了可用作电子照相感光体，有机EL器件和有机太阳能电池等有机电子器件的材料的电荷输送材料以及电荷输送用微粒的制造方法。电荷输送材料包括以电荷输送有机化合物为必须成分形成的电荷输送微粒，所述电荷输送有机化合物选自具有空穴传输性或空穴传输性的高分子化合物和低分子化合物。细颗粒通过乳液分散体造粒，优选的平均粒度为0.01〜50μm，粒径分布为1.0〜2.0，平均粒径为90％，平均粒径为10％总体积的大小或细颗粒的总数。微粒表面的至少一部分可以被可与所述电荷输送化合物反应的第二化合物覆盖。

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