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公开(公告)号：US20130157182A1
公开(公告)日：2013-06-20
申请号：US13715359
申请日：2012-12-14
Applicant: Toshiyuki FUJITA , Hirofumi HAYATA
Inventor： Toshiyuki FUJITA , Hirofumi HAYATA
IPC: G03G5/043
CPC classification number: G03G5/043 , G03G5/0433 , G03G5/14704
Abstract: Disclosed is an electrophotographic photoreceptor including a conductive supporting body, a photosensitive Layer and a protective layer. In the electrophotographic photoreceptor, at least the photosensitive layer and the protective layer are sequentially layered, on the conductive supporting body, and the protective layer includes P-type semiconductor particles.
Abstract translation: 公开了一种电子照相感光体，其包含导电性支持体，感光层和保护层。 在电子照相感光体中，至少感光层和保护层依次层叠在导电性支持体上，保护层包含P型半导体粒子。
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公开(公告)号：US20110217651A1
公开(公告)日：2011-09-08
申请号：US13036087
申请日：2011-02-28
Applicant: Hirofumi HAYATA , Toshiyuki FUJITA
Inventor： Hirofumi HAYATA , Toshiyuki FUJITA
Abstract: Disclosed is an image formation method comprising the steps of charging an organic photoreceptor by a charging device, the organic photoreceptor comprising a substrate and provided thereon, a photoreceptive layer and a protective layer in that order; imagewise exposing the charged organic photoreceptor by an exposure device to form an electrostatic latent image; developing the electrostatic latent image by a developing device to form a toner image, the developing device comprising a developer containing a toner; transferring the toner image to a recording medium by a transfer device; and then removing, by a cleaning device, a toner remaining on the organic photoreceptor from the organic photoreceptor, wherein the protective layer is formed by polymerization of a polymerizable composition containing a polymerizable compound with a polymerizable functional group, and wherein the toner contains an antioxidant.
Abstract translation: 公开了一种图像形成方法，包括以下步骤：通过充电装置对有机感光体进行充电，所述有机感光体依次包括基板并设置在其上，感光层和保护层; 通过曝光装置成像曝光带电的有机感光体以形成静电潜像; 通过显影装置显影静电潜像以形成调色剂图像，该显影装置包括含有调色剂的显影剂; 通过转印装置将调色剂图像转印到记录介质上; 然后通过清洁装置从有机感光体除去残留在有机感光体上的调色剂，其中通过聚合含有可聚合化合物的可聚合组合物与可聚合官能团形成保护层，并且其中调色剂含有抗氧化剂 。
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公开(公告)号：US20090258312A1
公开(公告)日：2009-10-15
申请号：US12410528
申请日：2009-03-25
Applicant: Hirofumi HAYATA , Masahiko KURACHI , Toshiyuki FUJITA
Inventor： Hirofumi HAYATA , Masahiko KURACHI , Toshiyuki FUJITA
IPC: G03G13/16
CPC classification number: G03G9/09791 , G03G5/14704 , G03G5/14786 , G03G5/14791 , G03G9/09708
Abstract: An image forming method and image forming apparatus based on the application thereof wherein comet-like deposits do not appear on the surface of the photoreceptor even after prolonged use of small-diameter toner, and there is no dropout or damage on the photoreceptor surface in the image forming process using an intermediate transfer member. This image forming method contains a process wherein the toner developed on an electrophotographic photoreceptor is transferred onto an intermediate transfer member, and the toner contains at least a metallic oxide and metallic soap added as external additive agents, and the protective layer contains a resin component obtained by reaction of at least a curable compound, and alumina particles.
Abstract translation: 一种基于其应用的图像形成方法和图像形成装置，其中即使在长时间使用小直径调色剂之后，彗星状沉积物也不会出现在感光体的表面上，并且在感光体表面上没有脱落或损伤 使用中间转印部件的图像形成处理。 该图像形成方法包括其中在电子照相感光体上显影的调色剂转印到中间转印部件上的方法，并且调色剂至少含有作为外部添加剂添加的金属氧化物和金属皂，并且保护层含有获得的树脂成分 通过至少可固化化合物和氧化铝颗粒的反应。
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公开(公告)号：US07358020B2
公开(公告)日：2008-04-15
申请号：US10939057
申请日：2004-09-10
Applicant: Kazuhisa Shida , Kageyuki Tomoyori , Hirofumi Hayata , Masao Asano , Tomoe Kitani
Inventor： Kazuhisa Shida , Kageyuki Tomoyori , Hirofumi Hayata , Masao Asano , Tomoe Kitani
IPC: G03G13/14
CPC classification number: G03G5/142 , G03G5/144 , G03G9/087 , G03G9/08797
Abstract: An image forming apparatus for enabling an image forming which is stable for a long time, by using a charging method in which the amount of generated ozone or nitrogen oxides is reduced and consumed electric power is low. An image forming method includes: a charging section for charging a photoreceptor by contacting on the photoreceptor; an exposure section for forming a static latent image on the photoreceptor by an exposure; a developing section for developing a toner image on the static latent image by a toner having a toner particle which uses a binder resin and a colorant as a component, in which a total quantity of a volatile material measured by a headspace method is 350 ppm or less; and a transfer section for transferring the toner image on a transfer material.
Abstract translation: 通过使用产生的臭氧或氮氧化物的量减少并消耗电力的充电方法，能够长时间稳定地进行成像的图像形成装置。 图像形成方法包括：充电部，其通过使感光体接触来对感光体进行充电; 用于通过曝光在感光体上形成静电潜像的曝光部分; 用于通过具有使用粘合剂树脂和着色剂作为组分的调色剂颗粒的调色剂在静电潜像上显影调色剂图像的显影部分，其中通过顶空法测量的挥发性物质的总量为350ppm或 减; 以及用于将调色剂图像转印到转印材料上的转印部分。
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5.发明授权Electrophotoreceptor, image forming method, image forming apparatus and processing cartridge 有权电光感受器，成像方法，成像设备和处理盒公开(公告)号：US06878496B2
公开(公告)日：2005-04-12
申请号：US10155251
申请日：2002-05-24
Applicant: Masao Asano , Tomoo Sakimura , Hirofumi Hayata , Shinichi Hamaguchi
Inventor： Masao Asano , Tomoo Sakimura , Hirofumi Hayata , Shinichi Hamaguchi
IPC: G03G5/14
Abstract: An electrophotographic photoreceptor having an interlayer between an electroconductive support and a photoreceptive layer, wherein the interlayer contains an N-type semiconductive particle and a binder and a Benard cell is formed in the interlayer.
Abstract translation: 一种在导电载体和感光层之间具有中间层的电子照相感光体，其中中间层包含N型半导体颗粒和粘合剂，并在该中间层中形成贝纳德电池。
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Patent Agency Ranking
公开(公告)号：US20050064318A1
公开(公告)日：2005-03-24
申请号：US10939057
申请日：2004-09-10
Applicant: Kazuhisa Shida , Kageyuki Tomoyori , Hirofumi Hayata , Masao Asano , Tomoe Kitani
Inventor： Kazuhisa Shida , Kageyuki Tomoyori , Hirofumi Hayata , Masao Asano , Tomoe Kitani
CPC classification number: G03G5/142 , G03G5/144 , G03G9/087 , G03G9/08797
Abstract: An image forming apparatus for enabling an image forming which is stable for a long time, by using a charging method in which the amount of generated ozone or nitrogen oxides is reduced and consumed electric power is low. An image forming method includes: a charging section for charging a photoreceptor by contacting on the photoreceptor; an exposure section for forming a static latent image on the photoreceptor by an exposure; a developing section for developing a toner image on the static latent image by a toner having a toner particle which uses a binder resin and a colorant as a component, in which a total quantity of a volatile material measured by a headspace method is 350 ppm or less; and a transfer section for transferring the toner image on a transfer material.
Abstract translation: 通过使用产生的臭氧或氮氧化物的量减少并消耗电力的充电方法，能够长时间稳定地进行成像的图像形成装置。 图像形成方法包括：充电部，其通过使感光体接触来对感光体进行充电; 用于通过曝光在感光体上形成静电潜像的曝光部分; 用于通过具有使用粘合剂树脂和着色剂作为组分的调色剂颗粒的调色剂在静电潜像上显影调色剂图像的显影部分，其中通过顶空法测量的挥发性物质的总量为350ppm或 减; 以及用于将调色剂图像转印到转印材料上的转印部分。
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公开(公告)号：US06544703B2
公开(公告)日：2003-04-08
申请号：US10097080
申请日：2002-03-13
Applicant: Hirofumi Hayata
Inventor： Hirofumi Hayata
IPC: G03G1304
CPC classification number: G03G5/102 , G03G5/0696 , G03G5/144
Abstract: An electrophotographic photoreceptor having an interlayer between the electrically conductive base body and the photosensitive layer. The electrophotographic photoreceptor an aluminum-evaporated surface and contact potential difference of said interlayer with respect to the aluminum-evaporated surface of the photoreceptor is at least +0.175 V.
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公开(公告)号：US6027845A
公开(公告)日：2000-02-22
申请号：US51762
申请日：1998-04-16
Applicant: Akira Kinoshita , Hirofumi Hayata , Toyoko Shibata , Tomoko Suzuki
Inventor： Akira Kinoshita , Hirofumi Hayata , Toyoko Shibata , Tomoko Suzuki
IPC: G03G5/06
CPC classification number: G03G5/0629 , G03G5/0605 , G03G5/0609 , G03G5/0637
Abstract: An electrophotographic photoreceptor has a layered-type structure comprising an electrically conductive support having thereon a charge generating layer comprising a charge generating organic material and an electron transportable carrier transport layer comprising an electron transport organic material and a binder, and the electron transport material under a mutual molecular aggregation state of the electron transport material which results in a new adsorption component at 20 nm or more longer wavelength side than the maximum monomoleclar absorption wavelength of the electron transport material is incorporated in the electron transportable carrier transport layer and the weight ratio of the electron transport material to the binder of the electron transportable carrier transport layer ranges from 25/100 to 200/100.According to the foregoing, it is possible to provide an electrophotographic photoreceptor which has a small residual electric potential and can assure an image contrast.
Abstract translation: PCT No.PCT / JP97 / 02973。 371日期：1998年4月16日 102（e）日期1998年4月16日PCT 1997年8月27日PCT公布。 第WO98 / 09197号公报 日期1998年3月5日电子照相感光体具有层状结构，其包括导电性支持体，其上具有包含电荷产生有机材料的电荷产生层和包含电子传输有机材料和粘合剂的电子传输载体传输层， 在电子传输材料的相互分子聚集状态下的电子传输材料被引入电子传输材料的最大单分子吸收波长的20nm或更长的波长侧的新吸附组分， 电子传输材料与电子传输载体传输层的粘合剂的重量比为25/100至200/100。 根据上述，可以提供一种具有小残留电位的电子照相感光体，并且可以确保图像对比度。
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公开(公告)号：US5942359A
公开(公告)日：1999-08-24
申请号：US896845
申请日：1997-07-18
Applicant: Akira Kinoshita , Hirofumi Hayata , Toyoko Shibata , Tomoko Suzuki
Inventor： Akira Kinoshita , Hirofumi Hayata , Toyoko Shibata , Tomoko Suzuki
CPC classification number: G03G5/0612 , G03G5/047 , G03G5/06 , G03G5/0609 , G03G5/0618 , G03G5/0629 , G03G5/0637 , G03G5/0661
Abstract: Disclosed is an electrophotoreceptor comprising a conductive substrate and provided thereon, a photoreceptive layer comprising a charge generation material, an organic electron transporting charge transport material and a binder, wherein a layer transporting charge satisfies inequality .alpha..ltoreq.0.6, said .alpha. being a gradient of a straight line represented by the following formula (a):.PHI..sub.CTL =.alpha..multidot..PHI..sub.M +.beta. (a)wherein .PHI..sub.CTL represents work function of the layer transporting charge alone obtained by measuring a contact potential difference of the layer transporting charge on a conductive electrode material; .PHI..sub.M represents work function of the conductive electrode material; and .beta. is a constant.
Abstract translation: 公开了一种电子感受体，其包含导电性基板，其上设置有包含电荷产生材料，有机电子输送电荷输送材料和粘合剂的感光层，其中层输送电荷满足不等式α<0.6，所述α为梯度 由下式（a）表示的直线：PHI CTL =α×PHI M +β（a）其中PHI CTL表示单独通过测量层传输电荷的接触电位差而单独获得的层传输电荷的功函数 导电电极材料; PHI M表示导电电极材料的功函数; 而beta是一个常数。
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10.发明授权Image forming method using an imidazole-perylene electrophotographic photoreceptor 失效使用咪唑 - 苝电子照相感光体的成像方法
公开(公告)号：US5589314A
公开(公告)日：1996-12-31
申请号：US490781
申请日：1995-06-15
Applicant: Yoshihiko Etoh , Takeo Oshiba , Asao Matsushima , Hirofumi Hayata , Tomoo Sakimura , Tomoko Suzuki , Akira Kinoshita
Inventor： Yoshihiko Etoh , Takeo Oshiba , Asao Matsushima , Hirofumi Hayata , Tomoo Sakimura , Tomoko Suzuki , Akira Kinoshita
CPC classification number: G03G13/22 , G03G5/0517 , G03G5/0521 , G03G5/0614 , G03G5/0659 , Y10S430/103
Abstract: Disclosed is an image forming method using an electrophotographic photoreceptor comprising the steps of:(1) charging the electrophotographic photoreceptor, wherein said electrophotographic photoreceptor comprising a conductive support and provided thereon, a carrier generation layer and a carrier transportation layer, said carrier generation layer comprising a carrier generation material represented by formula 1 or 2 and having X-ray diffraction pattern having peaks at 6.3.degree..+-.0.2.degree., 12.4.degree..+-.0.2.degree., 25.3.degree..+-.0.2.degree. and 27.1.degree..+-.0.2.degree. in Bragg angle (2.theta.) when using Cu-K.alpha. ray as a X-ray radiation source in which said peak of 12.4.degree..+-.0.2.degree. has a maximum intensity and has a half width of 0.65.degree. or more; no peak being present at 11.5.degree..+-.0.2.degree.,(2) imagewise exposing the charged photoreceptor for an exposure time of 1.times.10.sup.-4 to 3.times.10.sup.-2 seconds,(3) developing the imagewise exposed photoreceptor to form an image, and(4) transferring the formed image to an image receiving material: ##STR1##
Abstract translation: 公开了一种使用电子照相感光体的图像形成方法，包括以下步骤：（1）对电子照相感光体进行充电，其中所述电子照相感光体包括导电性支持体，其上设置有载体产生层和载流子输送层，所述载体生成层包含 由式1或2表示的载体产生材料，具有在6.3°±0.2°，12.4°±0.2°，25.3°±0.2°和27.1°±0.2°的峰值的X射线衍射图 当使用Cu-Kα射线作为X射线辐射源时，Bragg角（2θ）为DEG，其中所述12.4°±0.2°的峰具有最大强度并且具有0.65°以上的半宽度; 在11.5°±0.2°没有峰存在，（2）使带电感光体成像曝光1×10 -4至3×10 -2秒的曝光时间，（3）显影图像曝光的感光体以形成图像，并且 4）将形成的图像传送到图像接收材料：
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