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41. 发明授权

US07751753B2 Cleanerless image forming apparatus 有权
标题翻译：无清洁图像形成装置
公开(公告)号：US07751753B2
公开(公告)日：2010-07-06
申请号：US11954309
申请日：2007-12-12
申请人： Yoshio Sakagawa , Tetsumaru Fujita , Yuji Nagatomo
发明人： Yoshio Sakagawa , Tetsumaru Fujita , Yuji Nagatomo
IPC分类号： G03G15/30 , G03G15/00
CPC分类号： G03G21/0035 , G03G21/0064
摘要： A cleanerless image forming apparatus configured to reduce the density unevenness of halftone images. The apparatus includes a photosensitive member, a charging roller device for uniformly charging the surface of the photosensitive member, an optical writing unit for forming latent images on the surface of the photosensitive member after uniform charging, a developing device for developing the latent toner image on the photosensitive member, a transfer unit for transferring the toner image to an intermediate transfer belt, and a brush member for trapping post-transfer residual toner adhering to the surface of the photosensitive member after passing through the transfer process by the transfer unit and before entering the developing process by the developing device, wherein the post-transfer residual toner is recovered within the developing device after re-transfer of the post-transfer residual toner within the brush member to the surface of the photosensitive member.
摘要翻译：一种无清洁器的图像形成装置，被配置为减少半色调图像的浓度不均匀性。该装置包括感光构件，用于均匀地充电感光构件的表面的充电辊装置，用于在均匀充电之后在感光构件的表面上形成潜像的光学书写单元，用于使潜像调色剂图像显影的显影装置感光构件，用于将调色剂图像转印到中间转印带的转印单元和用于在通过转印单元的转印处理之后并且在进入之前捕获粘附到感光构件的表面上的转印后残留调色剂的刷构件通过显影装置的显影过程，其中将转印后残留调色剂重新转印到感光构件的表面之前，将转印后残留调色剂回收到显影装置内。

42. 发明授权

US07725054B2 Electrifying apparatus, a processing unit, and an image formation apparatus 有权
标题翻译：电气化装置，处理单元和图像形成装置
公开(公告)号：US07725054B2
公开(公告)日：2010-05-25
申请号：US11954402
申请日：2007-12-12
申请人： Tetsumaru Fujita , Yoshio Sakagawa , Yuji Nagatomo
发明人： Tetsumaru Fujita , Yoshio Sakagawa , Yuji Nagatomo
IPC分类号： G03G15/02 , G03G21/00
CPC分类号： G03G15/0233 , G03G2215/025
摘要： An electrifying apparatus, a processing unit including the electrifying apparatus, and an image formation apparatus including the electrifying apparatus. The electrifying apparatus includes a conductive sheet for electrifying at least one of a surface of a photoconductor and toner adhered to the surface. The conductive sheet is specified to have a pure-water contact angle equal to or greater than 108 degrees, and to have a shore D hardness equal to or less than 65.
摘要翻译：带电装置，包括通电装置的处理单元和包括通电装置的图像形成装置。带电装置包括用于使感光体的表面和粘附到表面的调色剂中的至少一个带电的导电片。导电片被规定为具有等于或大于108度的纯水接触角，并且具有等于或小于65的肖氏D硬度。

43. 发明授权

US07693459B2 Charging device for charging a surface of a latent image bearing member and an image forming apparatus including the charging device 有权
标题翻译：用于对潜像承载部件的表面进行充电的充电装置和包括充电装置的图像形成装置
公开(公告)号：US07693459B2
公开(公告)日：2010-04-06
申请号：US11855687
申请日：2007-09-14
申请人： Tetsumaru Fujita , Yoshio Sakagawa , Yuji Nagatomo
发明人： Tetsumaru Fujita , Yoshio Sakagawa , Yuji Nagatomo
IPC分类号： G02G15/02 , G03G21/10
CPC分类号： G03G15/0233
摘要： A charging device and an image forming apparatus using the charging device. The charging device includes a charging member to uniformly charge a surface of a latent image bearing member in contact therewith, a charge bias application unit to apply a charge bias to the charging member, a conductive member to contact a surface of the charging member, and a different-valued bias application unit to apply a different-valued bias different from the charge bias to the conductive member. The image forming apparatus includes a latent image bearing member to bear a latent image, a latent image forming unit to form the latent image on the latent image bearing member, a development unit to develop the latent image with toner, and the charging device.
摘要翻译：一种充电装置和使用该充电装置的图像形成装置。充电装置包括：充电部件，用于使与其接触的潜像承载部件的表面均匀充电;充电偏压施加单元，用于向充电部件施加充电偏压;导电部件，用于接触充电部件的表面;以及不同值的偏置施加单元，用于将不同于充电偏压的不同值的偏压施加到导电构件。图像形成装置包括：潜像承载部件，用于承载潜像;潜像形成单元，用于在潜像承载部件上形成潜像;显影单元，用调色剂显影潜象;以及充电装置。

44. 发明申请

US20080181654A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20080181654A1
公开(公告)日：2008-07-31
申请号：US11972154
申请日：2008-01-10
申请人： Yoshio SAKAGAWA , Tetsumaru Fujita , Yuji Nagatomo
发明人： Yoshio SAKAGAWA , Tetsumaru Fujita , Yuji Nagatomo
IPC分类号： G03G15/02
CPC分类号： G03G15/0225
摘要： An image forming apparatus capable of maintaining cleaning performance of a cleaning brush and downsizing the apparatus main body. Transfer residual toner accumulated on the cleaning brush is transferred onto a photoreceptor by an electrostatic force, hence the cleaning brush becomes clean and the cleaning performance thereof improves. Therefore, the photoreceptor and a charging roller can be cleaned well by the cleaning brush over a long period of time, and the photoreceptor can be charged well by the charging roller over a long period of time. Moreover, because the transfer residual toner that is transferred from the cleaning brush onto the photoreceptor is recovered by a developing device, it is not necessary to provide the apparatus main body with a toner recovery portion that is specially designed for recovering the transfer residual toner, hence the apparatus main body can be downsized.
摘要翻译：一种能够保持清洁刷的清洁性能并且使装置主体小型化的图像形成装置。转印在清洁刷上的转印残留调色剂通过静电力转印到感光体上，清洁刷变清洁，清洗性能提高。因此，可以通过清洁刷长时间清洁感光体和充电辊，并且可以通过充电辊在长时间内充分地对感光体充电。此外，由于通过显影装置回收从清洁刷转印到感光体上的转印残余调色剂，所以不必为设备主体提供专门设计用于回收转印残留调色剂的调色剂回收部分，因此能够使装置主体小型化。

45. 发明申请

US20080145109A1 DEVELOPING APPARATUS 有权
标题翻译：开发设备
公开(公告)号：US20080145109A1
公开(公告)日：2008-06-19
申请号：US11948287
申请日：2007-11-30
申请人： Shin MURAYAMA , Shuuichi Nakagawa , Ryuji Inoue , Yuji Nagatomo , Shintaro Yamada , Kazushige Oonishi , Hirobumi Ooyoshi , Tomofumi Yoshida
发明人： Shin MURAYAMA , Shuuichi Nakagawa , Ryuji Inoue , Yuji Nagatomo , Shintaro Yamada , Kazushige Oonishi , Hirobumi Ooyoshi , Tomofumi Yoshida
IPC分类号： G03G15/08
CPC分类号： G03G15/0877 , G03G2215/0132 , G03G2215/083
摘要： A developing apparatus is disclosed that includes a developer carrier for carrying a developer used for developing a latent image, a developer supplying chamber having a developer supplying member for supplying the developer to the developer carrier by rotation, a developer storing chamber positioned above the developer supplying chamber for storing the developer and supplying the developer to the developer supplying chamber, and a partitioning member positioned between the developer supplying chamber and the developer storing chamber. The partitioning member has an opening through which the developer is supplied from the developer storing chamber to the developer supplying chamber. The developing apparatus includes a conveying member positioned above the partitioning member for conveying the developer in a substantially horizontal direction. The conveying member has an opening facing part situated directly above the opening for conveying the developer with less force than the other parts of the conveying member.
摘要翻译：公开了一种显影装置，其包括用于承载用于显影潜像的显影剂的显影剂载体，具有用于通过旋转将显影剂供应到显影剂载体的显影剂供给部件的显影剂供给室，位于显影剂供给用于存储显影剂并将显影剂供应到显影剂供应室的腔室，以及定位在显影剂供应室和显影剂储存室之间的分隔件。分隔构件具有开口，显影剂从显影剂从显影剂储存室供应到显影剂供应室。显影装置包括位于分隔构件上方的输送构件，用于沿大致水平的方向输送显影剂。传送构件具有面向开口的正面上方的开口，用于以比输送构件的其它部分更少的力传送显影剂。

46. 发明授权

US07202675B2 Device and method for measuring toner current 有权
标题翻译：用于测量墨粉电流的装置和方法
公开(公告)号：US07202675B2
公开(公告)日：2007-04-10
申请号：US11252521
申请日：2005-10-18
申请人： Shigeo Uetake , Junya Hirayama , Masahiko Matsuura , Takeshi Maeyama , Yuji Nagatomo
发明人： Shigeo Uetake , Junya Hirayama , Masahiko Matsuura , Takeshi Maeyama , Yuji Nagatomo
IPC分类号： G01R27/26
CPC分类号： G01R27/2629 , G03G15/105
摘要： A toner current measuring device able to measure a toner current.The toner current measuring device having provided therein a toner deposit capacitor c1 including an electrode 11 and an electrode 12 disposed in opposition, a reference capacitor c2 having a mechanism for adjusting a capacitance thereof; a power supply unit 4; and a measuring unit 10 for measuring, when a voltage is applied to both capacitors to cause a transfer, between the opposing electrodes, of charged toner deposited on the electrode 11, a difference between currents flowing in the toner deposit capacitor c1 and the reference capacitor c2, the difference being measured as a toner current generated as a result of the transfer of the charged toner.
摘要翻译：一种能够测量调色剂电流的调色剂电流测量装置。

47. 发明授权

US07082277B2 Contact charger and image forming apparatus 失效
标题翻译：接触式充电器和成像设备
公开(公告)号：US07082277B2
公开(公告)日：2006-07-25
申请号：US10791801
申请日：2004-03-04
申请人： Yuji Nagatomo , Makiko Tango
发明人： Yuji Nagatomo , Makiko Tango
IPC分类号： G03G15/02
CPC分类号： G03G15/0233
摘要： A contact charger for charging a charging target (e.g., a photosensitive member) includes a charging brush to be in contact with the charging target, and auxiliary charging particles to be interposed between the brush and the charging target. The auxiliary charging particle takes an acicular form having an aspect ratio from 2 to 10000, and satisfies a relationship of (L2/T≦200) between a length L (μm) of a long axis of the particle and a thickness of T (deniers) of a brush fiber of the brush.
摘要翻译：用于对充电目标（例如感光构件）充电的接触充电器包括与充电目标相接触的充电电刷和夹在电刷和充电对象之间的辅助充电颗粒。辅助充电粒子具有纵横比为2〜10000的针状体，并且在长轴的长度L（母）之间满足关系（L≥2 / T <= 200）颗粒和刷子的刷纤维的T（旦数）的厚度。

48. 发明申请

US20060109011A1 Device and method for measuring toner current 有权
标题翻译：用于测量墨粉电流的装置和方法
公开(公告)号：US20060109011A1
公开(公告)日：2006-05-25
申请号：US11252521
申请日：2005-10-18
申请人： Shigeo Uetake , Junya Hirayama , Masahiko Matsuura , Takeshi Maeyama , Yuji Nagatomo
发明人： Shigeo Uetake , Junya Hirayama , Masahiko Matsuura , Takeshi Maeyama , Yuji Nagatomo
IPC分类号： G01R27/26
CPC分类号： G01R27/2629 , G03G15/105
摘要： A toner current measuring device able to measure a toner current. The toner current measuring device having provided therein a toner deposit capacitor c1 including an electrode 11 and an electrode 12 disposed in opposition, a reference capacitor c2 having a mechanism for adjusting a capacitance thereof; a power supply unit 4; and a measuring unit 10 for measuring, when a voltage is applied to both capacitors to cause a transfer, between the opposing electrodes, of charged toner deposited on the electrode 11, a difference between currents flowing in the toner deposit capacitor c1 and the reference capacitor c2, the difference being measured as a toner current generated as a result of the transfer of the charged toner.
摘要翻译：一种能够测量调色剂电流的调色剂电流测量装置。调色剂电流测量装置在其中设置有调色剂沉积电容器c 1，该调色剂沉积电容器c 1包括电极11和相对设置的电极12，参考电容器c 2具有用于调整其电容的机构; 电源单元4; 以及测量单元10，用于在沉积在电极11上的带电调色剂的对置电极之间向两个电容器施加电压以进行转印时，测量在调色剂沉积电容器c 1中流动的电流与参考电压之间的差异电容器c 2，该差异被测量为由于带电调色剂的转印而产生的调色剂电流。

49. 发明申请

US20160209774A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20160209774A1
公开(公告)日：2016-07-21
申请号：US14997264
申请日：2016-01-15
申请人： Kyoko Abe , Yuji Nagatomo , Shintaro Yamada , Shinji Aoki
发明人： Kyoko Abe , Yuji Nagatomo , Shintaro Yamada , Shinji Aoki
IPC分类号： G03G15/06
CPC分类号： G03G15/065 , G03G15/5041 , G03G2215/00569
摘要： An image forming apparatus is provided. The image forming apparatus includes a photoconductor, an irradiator, a developing device including a developing roller, a development bias applying device, a toner supplying roller and a supply bias applying device, and a controller. The controller changes supply bias offset by reference to at least one of five parameters including photoconductor travel distance, operation temperature of the developing device, operation humidity of the developing device, continuous operating time of the developing device, and color information of image to be produced. After changing the supply bias offset, the controller forms plural toner patterns for image density adjustment on the photoconductor by changing the development bias, and sets the development bias to a certain bias based on the image densities of the plural toner patterns so that the image produced by the developing device has a targeted image density.
摘要翻译：提供一种图像形成装置。图像形成装置包括光电导体，照射器，包括显影辊的显影装置，显影偏压施加装置，调色剂供给辊和供给偏压施加装置以及控制器。控制器通过参考包括光电导体行进距离，显影装置的操作温度，显影装置的操作湿度，显影装置的连续操作时间和要产生的图像的颜色信息的五个参数中的至少一个参数来改变供应偏置偏移。在改变供给偏置偏移之后，控制器通过改变显影偏压而在感光体上形成用于图像浓度调节的多个调色剂图案，并且基于多个调色剂图案的图像浓度将显影偏压设置为一定偏差，使得产生图像通过显影装置具有目标图像密度。

50. 发明授权

US09116460B2 Reducing toner adhesion to a development device of an image forming apparatus 有权
标题翻译：降低调色剂对图像形成装置的显影装置的附着力
公开(公告)号：US09116460B2
公开(公告)日：2015-08-25
申请号：US14092879
申请日：2013-11-27
申请人： Yasuhide Matsuno , Naoki Nakatake , Yuji Nagatomo , Takahiro Sanada
发明人： Yasuhide Matsuno , Naoki Nakatake , Yuji Nagatomo , Takahiro Sanada
IPC分类号： G03G15/08 , G03G15/043
CPC分类号： G03G15/0812 , G03G15/043
摘要： An image forming apparatus includes a latent image forming device that forms a latent image, a latent image carrier that carries the latent image, a development device that develops the latent image, and a controller. The development device includes a developer carrier that faces the latent image carrier and carries toner on a rotary surface thereof that rotates in a rotation direction perpendicular to a width direction of the developer carrier, and a regulation member that regulates the thickness of a layer of the toner on the surface of the developer carrier. The controller moves the toner on lateral end regions in the width direction of the surface of the developer carrier toward the latent image carrier. The end regions are located outside a maximum image forming region within a regulation member facing region of the surface of the developer carrier facing the regulation member.
摘要翻译：图像形成装置包括形成潜像的潜像形成装置，承载潜像的潜像载体，显影潜像的显影装置和控制器。显影装置包括：显影剂载体，其面向潜像载体，并在与旋转方向垂直于显影剂载体的宽度方向旋转的旋转表面上承载调色剂;以及调节部件，其调节显影剂载体表面上的调色剂。控制器将显影剂载体的表面的宽度方向上的侧端区域上的调色剂移动到潜像载体。端部区域位于显影剂载体的面向调节构件的表面的调节构件面向区域内的最大图像形成区域的外侧。

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