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11. 发明授权

US5805961A Charging member having bristless, process cartridge, and electrophotographic apparatus employing such a charging member 失效
标题翻译：具有刷毛，处理盒和使用这种充电部件的电子照相设备的充电部件
公开(公告)号：US5805961A
公开(公告)日：1998-09-08
申请号：US625034
申请日：1996-03-29
申请人： Kiyoshi Mizoe , Shuichi Aita , Fumihiro Arahira , Yoshifumi Hano
发明人： Kiyoshi Mizoe , Shuichi Aita , Fumihiro Arahira , Yoshifumi Hano
IPC分类号： G03G15/02
CPC分类号： G03G15/0233 , G03G2215/023
摘要： A charging member, which electrically charges an object to be charged by being placed in contact with the object to be charged and by being applied with a voltage, is provided where the charging member includes an electroconductive base and brush bristles to come into contact with the object to be charged, and the brush bristles include at least one of etching fibers and divided fibers.
摘要翻译：提供了一种充电构件，其通过与被充电物体接触而被施加电荷并且被施加电压而对要充电的物体进行充电，其中充电构件包括导电基底和刷毛以与其接触物体被加载，刷毛包括蚀刻纤维和分割光纤中的至少一个。

12. 发明授权

US06548218B1 Magnetic particles for charging means, and electrophotographic apparatus, process cartridge and image forming method including same 失效
标题翻译：用于充电装置的磁性颗粒和电子照相设备，处理盒和包括其的成像方法
公开(公告)号：US06548218B1
公开(公告)日：2003-04-15
申请号：US08492445
申请日：1995-06-19
申请人： Tsutomu Kukimoto , Kenji Okado , Shuichi Aita , Tsuyoshi Takiguchi
发明人： Tsutomu Kukimoto , Kenji Okado , Shuichi Aita , Tsuyoshi Takiguchi
IPC分类号： G03G1302
CPC分类号： G03G15/0241 , G03G2215/022 , G03G2221/183 , Y10S430/102
摘要： Magnetic particles for charging means disposed in contact with an electrophotographic photosensitive member for charging the electrophotographic photosensitive member based on a voltage applied thereto are provided as particles of a ferrite component represented by the following formula (1): (Fe2O3)X(A)Y(B)Z (1), wherein A denotes at least one metal oxide component selected from the group consisting of Li2O, MnO and MgO, B denotes at least one metal oxide component different from A; X, Y and Z denote numbers representing mol ratios and satisfying the following conditions: 0.2
摘要翻译：作为与电子照相感光构件相接触的用于充电电子照相感光构件的用于充电装置的磁性颗粒被提供为由下式（1）表示的铁氧体组分的颗粒：其中A表示至少一种金属氧化物选自Li2O，MnO和MgO的组分，B表示与A不同的至少一种金属氧化物组分; X，Y和Z表示摩尔比的数字，满足下列条件：0.2

13. 发明授权

US07323279B2 One-component magnetic toner for developing an electrostatic charge image, process cartridge, and method for recycling the process cartridge 有权
标题翻译：用于显影静电荷图像的单组分磁性调色剂，处理盒和用于再循环处理盒的方法
公开(公告)号：US07323279B2
公开(公告)日：2008-01-29
申请号：US10891060
申请日：2004-07-15
申请人： Kazunori Kato , Shuichi Aita
发明人： Kazunori Kato , Shuichi Aita
IPC分类号： G03G9/083
CPC分类号： G03G9/0836 , G03G9/0819 , G03G9/0821 , G03G9/0823 , G03G9/0835
摘要： The present invention provides a one-component magnetic toner for developing an electrostatic charge image, which do not cause an image defect by toner aggregation or fusion even though a device is miniaturized and the processing speed of the device is accelerated, and which allows easy recycling of a toner cartridge. The one-component magnetic toner for developing an electrostatic charge image of the present invention is one comprising: toner particles comprising fine magnetic particles (A) and a binder resin; and fine magnetic particles (B) externally added to the toner particles, in which the maximum permeability (μmA) of the fine magnetic particles (A) contained in the toner particles and the maximum permeability (μmB) of the fine magnetic particles (B) externally added to the toner particles satisfy a relationship represented by the following formula (1) μmB/μmA≦1.8 . (1)
摘要翻译：本发明提供了一种用于显影静电荷图像的单组分磁性调色剂，即使装置小型化并且装置的处理速度加快，也不会通过调色剂聚集或熔化而引起图像缺陷，并且容易回收的墨粉盒。用于显影本发明的静电荷图像的单组分磁性调色剂是包括：包含精细磁性颗粒（A）和粘合剂树脂的调色剂颗粒; 和外部添加到调色剂颗粒中的细磁性颗粒（B），其中包含在调色剂颗粒中的细小磁性颗粒（A）的最大磁导率（mum A _{）和最大磁导率（mum < 外部添加到调色剂颗粒中的细小磁性颗粒（B）的重量比（B B）满足由下式（1）表示的关系<？in-line-formula description =“In-line formula”end = “铅”？>妈妈B / mum <= 1.8。（1）<？in-line-formula description =“In-line Formulas”end =“tail”？>}

14. 发明授权

US5310812A Binder resin for a toner for developing electrostatic images, and process for production thereof 失效
标题翻译：用于静电图像显影用调色剂的粘结树脂及其制造方法
公开(公告)号：US5310812A
公开(公告)日：1994-05-10
申请号：US986259
申请日：1992-12-07
申请人： Satoshi Yasuda , Kiichiro Sakashita , Yasuo Mitsuhashi , Seiichi Takagi , Shuichi Aita , Yoshinobu Nagai , Toshiaki Nakahara
发明人： Satoshi Yasuda , Kiichiro Sakashita , Yasuo Mitsuhashi , Seiichi Takagi , Shuichi Aita , Yoshinobu Nagai , Toshiaki Nakahara
IPC分类号： G03G9/087 , C08F257/02 , C08F265/02 , C08F265/06 , G03G9/08
CPC分类号： G03G9/087 , G03G9/08708 , G03G9/08711 , G03G9/08786 , G03G9/08788
摘要： A toner for developing electrostatic latent images with a good combination of fixability, anti-offset characteristic, anti-sticking characteristic and pulverizability contains a composition comprising a colorant or magnetic material and a binder resin. The binder resin has 0.1 to 60 wt. % of a chloroform-insoluble or a THF (tetrahydrofuran)-insoluble component and a THF-soluble component, the THF-soluble providing a molecular weight distribution in the chromatogram of GPC (gel permeation chromatography) thereof such that there is a main peak in the molecular weight range of 1,000 to 25,000 and a sub-peak or shoulder in the molecular weight range of 2,000 to 150,000. The binder resin may suitably be obtained through two polymerization steps including a solution polymerization step and a suspension polymerization step.
摘要翻译：用于显影静电潜像的调色剂具有定影性，抗偏移特性，防粘特性和可粉碎性的良好组合，其含有包含着色剂或磁性材料和粘合剂树脂的组合物。粘合剂树脂为0.1〜60wt。％的不溶于氯仿或THF（四氢呋喃）不溶成分和THF可溶成分，THF可溶性在GPC（凝胶渗透色谱法）的色谱图中提供分子量分布，使得在分子量范围为1,000至25,000，亚峰或肩峰的分子量范围为2,000至150,000。粘合剂树脂可以通过包括溶液聚合步骤和悬浮聚合步骤的两个聚合步骤合适地获得。

15. 发明授权

US5219947A Binder resin for a toner for developing electrostatic images, and process for production thereof 失效
标题翻译：用于静电图像显影用调色剂的粘结树脂及其制造方法
公开(公告)号：US5219947A
公开(公告)日：1993-06-15
申请号：US514516
申请日：1990-04-23
申请人： Satoshi Yasuda , Kiichiro Sakashita , Yasuo Mitsuhashi , Seiichi Takagi , Shuichi Aita , Yoshinobu Nagai , Toshiaki Nakahara
发明人： Satoshi Yasuda , Kiichiro Sakashita , Yasuo Mitsuhashi , Seiichi Takagi , Shuichi Aita , Yoshinobu Nagai , Toshiaki Nakahara
IPC分类号： G03G9/087
CPC分类号： G03G9/087 , G03G9/08708 , G03G9/08711 , G03G9/08786 , G03G9/08788
摘要： A toner for developing electrostatic latent images with a good combination of fixability, anti-offset characteristic, anti-sticking characteristic and pulverizability is provided as a composition comprising a colorant or magnetic material and a binder resin. The binder resin has 0.1 to 60 wt. % of a chloroform-insoluble or a THF (tetrahydrofuran)insoluble and a THF-soluble, the THF-soluble providing a molecular weight distribution in the chromatogram of GPC (gel permeation chromatography) thereof such that there are a main peak in the molecular weight range of 1,000 to 25,000 and a sub-peak or shoulder in the molecular weight range of 2,000 to 150,000. The binder resin may suitably be obtained through two polymerization steps including a solution polymerization step and a suspension polymerization step.
摘要翻译：作为包含着色剂或磁性材料和粘合剂树脂的组合物，提供了具有定影性，抗偏移特性，抗粘附特性和可粉碎性的良好组合的用于显影静电潜像的调色剂。粘合剂树脂为0.1〜60wt。不溶于THF的四氢呋喃和可溶于THF的％，THF可溶性在GPC（凝胶渗透色谱法）的色谱图中提供分子量分布，使得分子量具有主峰范围为1,000至25,000，亚峰或肩峰的分子量范围为2,000至150,000。粘合剂树脂可以通过包括溶液聚合步骤和悬浮聚合步骤的两个聚合步骤合适地获得。

16. 发明申请

US20050048386A1 One-component magnetic toner for developing an electrostatic charge image, process cartridge, and method for recycling the process cartridge 有权
标题翻译：用于显影静电荷图像的单组分磁性调色剂，处理盒和用于再循环处理盒的方法
公开(公告)号：US20050048386A1
公开(公告)日：2005-03-03
申请号：US10891060
申请日：2004-07-15
申请人： Kazunori Kato , Shuichi Aita
发明人： Kazunori Kato , Shuichi Aita
IPC分类号： G03G9/08 , G03G9/083 , G03G15/00 , G03G21/00
CPC分类号： G03G9/0836 , G03G9/0819 , G03G9/0821 , G03G9/0823 , G03G9/0835
摘要： The present invention provides a one-component magnetic toner for developing an electrostatic charge image, which do not cause an image defect by toner aggregation or fusion even though a device is miniaturized and the processing speed of the device is accelerated, and which allows easy recycling of a toner cartridge. The one-component magnetic toner for developing an electrostatic charge image of the present invention is one comprising; toner particles comprising fine magnetic particles (A) and a binder resin; and fine magnetic particles (B) externally added to the toner particles, in which the maximum permeability (μmA) of the fine magnetic particles (A) contained in the toner particles and the maximum permeability (μmB) of the fine magnetic particles (B) externally added to the toner particles satisfy a relationship represented by the following formula (1). μmB/μmA≦1.8 (1)
摘要翻译：本发明提供了一种用于显影静电荷图像的单组分磁性调色剂，即使装置小型化并且装置的处理速度加快，也不会通过调色剂聚集或熔化而引起图像缺陷，并且容易回收的墨粉盒。用于显影本发明的静电荷图像的单组分磁性调色剂是包括：包含精细磁性颗粒（A）和粘合剂树脂的调色剂颗粒; 和外部添加到调色剂颗粒中的精细磁性颗粒（B），其中包含在调色剂颗粒中的细小磁性颗粒（A）的最大磁导率（mumA）和细磁性颗粒（B）的最大磁导率（mumB）外部添加到调色剂颗粒中的物质满足由下式（1）表示的关系。 mumB / mumA <= 1.8（1）

17. 发明授权

US6157801A Magnetic particles for charging, charging member, charging device, process cartridge, and electrophotographic apparatus 有权
标题翻译：用于充电的磁性颗粒，充电构件，充电装置，处理盒和电子照相设备
公开(公告)号：US6157801A
公开(公告)日：2000-12-05
申请号：US328796
申请日：1999-06-09
申请人： Shuichi Aita , Fumihiro Arahira , Kiyoshi Mizoe , Toshio Takamori
发明人： Shuichi Aita , Fumihiro Arahira , Kiyoshi Mizoe , Toshio Takamori
IPC分类号： G03G15/02
CPC分类号： G03G15/0241 , G03G2215/022
摘要： A magnetic particle for charging is disclosed. The magnetic particle includes magnetic particles having particle diameters of 5 .mu.m or more. The magnetic particles having particle diameters of 5 .mu.m or more have a standard deviation of short-axis length/long-axis length of 0.08 or more, and a volume resistance value in the range of 10.sup.4 to 10.sup.9 .OMEGA.cm. Also, provided are a charging member, a charging device, a process cartridge and an electrophotographic apparatus, using the magnetic particle.
摘要翻译：公开了用于充电的磁性颗粒。磁性粒子包括粒径为5μm以上的磁性粒子。粒径为5μm以上的磁性粒子的短轴长/长轴长度的标准偏差为0.08以上，体积电阻值为104〜109欧姆·厘米。此外，提供了使用磁性颗粒的充电构件，充电装置，处理盒和电子照相设备。

18. 发明授权

US5753396A Image forming method 失效
标题翻译：图像形成方法
公开(公告)号：US5753396A
公开(公告)日：1998-05-19
申请号：US563603
申请日：1995-11-28
申请人： Tatsuya Nakamura , Masayoshi Kato , Shuichi Aita , Koji Inaba , Kengo Hayase , Yuki Nishio
发明人： Tatsuya Nakamura , Masayoshi Kato , Shuichi Aita , Koji Inaba , Kengo Hayase , Yuki Nishio
IPC分类号： G03G5/04 , G03G9/08 , G03G9/097 , G03G21/00 , G03G13/06
CPC分类号： G03G5/04 , G03G21/0064 , G03G9/0827 , G03G9/09733 , G03G2221/0005
摘要： An image forming method comprising; a charging step of electrostatically charging a photosensitive member; an exposure step of exposing the charged photosensitive member to form an electrostatic latent image; a developing step of bringing a toner carried on a developer carrying member, into contact with the surface of the photosensitive member to develop the electrostatic latent image to form a toner image on the photosensitive member; a transfer step of transferring the toner image formed on the photosensitive member, to a transfer medium; and a cleaning-at-development step of collecting the toner remaining on the photosensitive member after the transfer step, onto the developer carrying member; a wherein; the surface of said photosensitive member has a contact angle with water of 85.degree. or greater; said toner contains residual monomers in an amount not more than 1,000 ppm; and said toner has a shape factor SF-1 of from 100 to 180 and a shape factor SF-2 of from 100 to 140.
摘要翻译：一种图像形成方法，包括：对感光构件静电充电的充电步骤; 曝光步骤，使所充电的感光件曝光以形成静电潜像; 显影步骤，使承载在显影剂承载构件上的调色剂与感光构件的表面接触，以显影静电潜像，以在感光构件上形成调色剂图像; 将形成在感光构件上的调色剂图像转印到转印介质的转印步骤; 以及在显影剂承载构件上收集在转印步骤之后残留在感光构件上的调色剂的清洗显影步骤; 其中; 所述感光构件的表面与水的接触角为85°或更大; 所述调色剂含有不超过1,000ppm的残留单体; 并且所述调色剂具有100至180的形状系数SF-1和100至140的形状系数SF-2。

19. 发明授权

US6026260A Electrophotographic apparatus, image forming method and process cartridge 有权
标题翻译：电子照相设备，成像方法和处理盒
公开(公告)号：US6026260A
公开(公告)日：2000-02-15
申请号：US175327
申请日：1998-10-20
申请人： Shuichi Aita , Fumihiro Arahira , Kiyoshi Mizoe , Toshio Takamori
发明人： Shuichi Aita , Fumihiro Arahira , Kiyoshi Mizoe , Toshio Takamori
IPC分类号： G03G15/02
CPC分类号： G03G15/0241 , G03G2215/022 , Y10S430/102
摘要： An electrophotographic apparatus includes: an electrophotographic photosensitive member, a charging device including a charging member formed of magnetic particles and disposed contactable to the photosensitive member so as to charge the photosensitive member based on a voltage applied thereto, exposure device, developing device, and a transfer device. The magnetic particles exhibit a good charging ability for a long period and therefore provide a good continuous image-forming performance because they are formed of ferrite particles including a ferrite having a very limited composition represented by the formula of:(MnO).sub.x (MgO).sub.y (Fe.sub.2 O.sub.3).sub.z,wherein x, y and z are numbers satisfying x+y+z.ltoreq.1, 0.2
摘要翻译：电子照相设备包括：电子照相感光构件，充电装置，其包括由磁性颗粒形成的充电构件，并且设置成与感光构件接触，以便基于施加于其上的电压对感光构件充电，曝光装置，显影装置和传输设备。磁性颗粒长时间显示出良好的充电能力，因此提供了良好的连续成像性能，因为它们由铁氧体颗粒形成，该铁氧体颗粒包括由以下通式表示的非常有限组成的铁素体：（MnO）x（MgO） y（Fe 2 O 3）z，其中x，y和z是满足x + y + z 1，0.2

20. 发明授权

US5608500A Contact charging member and electrophotographic apparatus using the same 失效
标题翻译：接触充电部件和使用其的电子照相设备
公开(公告)号：US5608500A
公开(公告)日：1997-03-04
申请号：US623372
申请日：1996-03-28
申请人： Eiji Funabashi , Shuichi Aita
发明人： Eiji Funabashi , Shuichi Aita
IPC分类号： G03G15/02 , G03G15/16 , G03G15/00
CPC分类号： G03G15/0233 , G03G15/1685 , G03G2215/00683 , G03G2221/183
摘要： A contact charging member is used in a charging device for charging an image carrier by contacting the contact charging member to which a voltage is impressed with the image carrier. The contact charging member has at least a supporting member and a coating member. The coating member is a seamless tube consisting of a resin blend of a flexible resin and a heat resistant resin.
摘要翻译：接触充电构件用于充电装置中，用于通过使与图像载体相压的接触充电构件接触来对图像载体进行充电。接触充电构件至少具有支撑构件和涂覆构件。涂层构件是由柔性树脂和耐热树脂的树脂共混物组成的无缝管。

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