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1. 发明授权

US06465144B2 Magnetic toner, process for production thereof, and image forming method, apparatus and process cartridge using the toner 有权
标题翻译：磁性调色剂，其制造方法以及使用调色剂的成像方法，装置和处理盒
公开(公告)号：US06465144B2
公开(公告)日：2002-10-15
申请号：US09800655
申请日：2001-03-08
申请人： Akira Hashimoto , Kenji Okado , Tsutomu Kukimoto , Tatsuya Nakamura , Tsuyoshi Takiguchi , Tatsuhiko Chiba , Michihisa Magome , Keiji Komoto
发明人： Akira Hashimoto , Kenji Okado , Tsutomu Kukimoto , Tatsuya Nakamura , Tsuyoshi Takiguchi , Tatsuhiko Chiba , Michihisa Magome , Keiji Komoto
IPC分类号： G03G9083
CPC分类号： G03G9/08708 , G03G9/0819 , G03G9/0825 , G03G9/0827 , G03G9/0833 , G03G9/0835 , G03G9/0836 , G03G9/0837 , G03G9/0838 , G03G9/08782
摘要： A magnetic toner includes: magnetic toner particles each comprising at least a binder resin and magnetic toner, and inorganic fine powder. The magnetic toner has an average circularity of at least 0.970, and a magnetization of 10-50 Am2/kg at a magnetic field of 79.6 kA/m. The magnetic powder comprises at least magnetic iron oxide. The magnetic toner particles retain carbon in an amount of A and iron in an amount of B at surfaces thereof as measured by X-ray photoelectron spectroscopy, satisfying: B/A
摘要翻译：磁性调色剂包括：各自至少包含粘合剂树脂和磁性调色剂的磁性调色剂颗粒和无机细粉末。磁性调色剂在79.6kA / m的磁场下的平均圆形度为至少0.970，磁化强度为10-50Am 2 / kg。磁粉至少包含磁性氧化铁。磁性调色剂颗粒通过X射线光电子能谱法测定其表面的B量的A和铁的碳，满足：B / A <0.001。粘合剂树脂包括由至少包含苯乙烯单体的单体的聚合形成的树脂。磁性调色剂的残留苯乙烯单体含量小于300ppm，并且包含满足以下关系的至少50％的调色剂颗粒：D / C <= 0.02，其中C表示磁性的体积平均粒径调色剂，D表示磁性调色剂颗粒的表面与磁性调色剂颗粒中所含的磁性粉末颗粒之间的最小距离。由于上述特征，即使在无清洁器模式的图像形成系统中，磁性调色剂也能表现出良好的电摄影性能，包括极佳的带电性和少量的转印残留调色剂。

2. 发明授权

US07070898B2 Toner 有权
标题翻译：爽肤水
公开(公告)号：US07070898B2
公开(公告)日：2006-07-04
申请号：US10726503
申请日：2003-12-04
申请人： Tatsuya Nakamura , Kenji Okado , Akira Hashimoto , Keiji Komoto
发明人： Tatsuya Nakamura , Kenji Okado , Akira Hashimoto , Keiji Komoto
IPC分类号： G03G9/08
CPC分类号： G03G9/08 , G03G9/087
摘要： A toner having a favorable fixability, excelling in charge stability, and capable of forming a image of retaining a high image density and a high resolution in long-term use is provided. That is, the toner of the present invention is a toner obtained by polymerizing a polymerizable monomer composition comprising a polymerizable monomer and a colorant, in which the polymerizable monomer composition is polymerized using a polymerization initiator comprising a redox initiator which includes an organic peroxide with a 10-hour half-life temperature of 86° C. or higher and an reducing agent; the toner has a ratio of a weight-average particle diameter to a number-average particle diameter of 1.40 or less; and the toner has top of a main-peak in a molecular weight range of 5,000 to 50,000 in a molecular weight distribution measured using GPC of the THF-soluble part thereof, including t-butanol with a content of 0.1 to 1,000 ppm.
摘要翻译：提供了具有良好的定影性，电荷稳定性优异并且能够形成长期使用中保持高图像浓度和高分辨率的图像的调色剂。也就是说，本发明的调色剂是通过使包含可聚合单体和着色剂的可聚合单体组合物聚合而获得的调色剂，其中使用包含有机过氧化物的氧化还原引发剂的聚合引发剂聚合可聚合单体组合物， 10小时半衰期为86℃以上的还原剂; 调色剂的重均粒径与数均粒径的比值为1.40以下; 并且调色剂在其THF可溶部分的GPC测量的分子量分布中具有5000至50,000的分子量范围内的主峰顶部，包括含量为0.1至1,000ppm的叔丁醇。

3. 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

4. 发明授权

US6077636A Toner, two-component developer, image forming method and apparatus unit 有权
标题翻译：调色剂，双组分显影剂，成像方法和装置单元
公开(公告)号：US6077636A
公开(公告)日：2000-06-20
申请号：US235397
申请日：1999-01-22
申请人： Yuji Moriki , Kenji Okado , Hiroaki Kawakami , Shinya Yachi , Michihisa Magome
发明人： Yuji Moriki , Kenji Okado , Hiroaki Kawakami , Shinya Yachi , Michihisa Magome
IPC分类号： G03G9/08 , G03G9/097 , G03G13/01 , G03G15/22
CPC分类号： G03G9/0806 , G03G9/0819 , G03G9/0827 , G03G9/09708
摘要： A toner is comprised of toner particles containing at least a binder resin and a colorant, and an external additive fine powder. The toner particles have a specific circularity distribution and a specific particle size distribution. The external additive fine powder has an inorganic fine powder having as primary particles a specific number-average particle length, and a non-spherical inorganic fine powder formed by coalescence of particles and having a specific shape factor and a specific number-average particle length.
摘要翻译：调色剂由至少含有粘合剂树脂和着色剂的调色剂颗粒和外部添加剂细粉末组成。调色剂颗粒具有特定的圆形度分布和特定的粒度分布。外部添加剂微粉末具有作为一次粒子的无机细粉末，具有特定的数均粒径，以及通过粒子的聚结而形成的具有特定形状因子和特定的数均粒子长度的非球形的无机细粉末。

5. 发明授权

US6077635A Toner, two-component developer and image forming method 失效
标题翻译：调色剂，双组分显影剂和成像方法
公开(公告)号：US6077635A
公开(公告)日：2000-06-20
申请号：US99527
申请日：1998-06-18
申请人： Kenji Okado , Ryoichi Fujita , Wakashi Iida , Yuji Moriki , Kazumi Yoshizaki , Michihisa Magome
发明人： Kenji Okado , Ryoichi Fujita , Wakashi Iida , Yuji Moriki , Kazumi Yoshizaki , Michihisa Magome
IPC分类号： G03G9/08 , G03G9/097 , G03G13/01
CPC分类号： G03G9/0827 , G03G9/0819 , G03G9/09708
摘要： A toner is disclosed which has toner particles and an external additive. The toner has (a) in circularity distribution of particles measured with a flow type particle image analyzer, an average circularity of from 0.920 to 0.995, containing particles with a circularity of less than 0.950 in an amount of from 2% by number to 40% by number; and (b) a weight-average particle diameter of from 2.0 .mu.m to 9.0 .mu.m as measured by Coulter method. The external additive has, on the toner particles, at least (i) an inorganic fine powder (A) present in the state of primary particles or secondary particles and having an average particle length of from 10 m.mu.m to 400 m.mu.m and a shape factor SF-1 of from 100 to 130 and (ii) a non-spherical inorganic fine powder (B) formed by coalescence of a plurality of particles and having a shape factor SF-1 of greater than 150. Also, a two-component developer and an image forming method, using the toner, are disclosed.
摘要翻译：公开了一种具有调色剂颗粒和外部添加剂的调色剂。调色剂具有（a）以流动型颗粒图像分析仪测量的颗粒的圆形分布，平均圆形度为0.920至0.995，其中圆形度小于0.950的颗粒的量为2％至40％按数量（b）通过Coulter法测定的重均粒径为2.0μm〜9.0μm。外部添加剂在调色剂颗粒上至少存在（i）以一次粒子或二次粒子状态存在的平均粒子长度为10μm〜400μm的无机细粉末（A）， 100〜130的形状因子SF-1和（ii）通过多个粒子的聚结而形成的非球形的无机细粉末（B），并且具有大于150的形状因子SF-1。另外， - 组分显影剂和使用调色剂的图像形成方法。

6. 发明授权

US5774771A Image forming method and apparatus using a particular toner 失效
标题翻译：使用特定调色剂的成像方法和装置
公开(公告)号：US5774771A
公开(公告)日：1998-06-30
申请号：US599375
申请日：1996-02-09
申请人： Tsutomu Kukimoto , Motoo Urawa , Kenji Okado , Toshiyuki Ugai , Keita Nozawa , Satoshi Yoshida , Yuki Karaki
发明人： Tsutomu Kukimoto , Motoo Urawa , Kenji Okado , Toshiyuki Ugai , Keita Nozawa , Satoshi Yoshida , Yuki Karaki
IPC分类号： G03G9/08 , G03G9/09 , G03G9/097 , G03G15/08 , G03G15/14
CPC分类号： G03G9/0827 , G03G9/08 , G03G9/0819 , G03G9/0821 , G03G9/0825 , G03G9/09 , G03G9/09716
摘要： An image forming method has a developing step of developing an electrostatic latent image by the use of a developer to form a toner image on an electrostatic latent image bearing member, a primary transfer step of transferring the toner image onto an intermediate transfer member to which a voltage is applied, and a secondary transfer step of transferring onto a transfer medium the toner image held on the intermediate transfer member, while a transfer means to which a voltage is applied is pressed against the transfer medium. The developer has a toner. The toner is a black toner having at least i) black toner particles formed of a binder resin with a colorant dispersed therein and ii) an inorganic fine powder. The black toner has the value of shape factor SF-1 of 110
摘要翻译：图像形成方法具有通过使用显影剂使静电潜像显影以在静电潜像承载部件上形成调色剂图像的显影步骤，将调色剂图像转印到中间转印部件上的一次转印步骤，施加电压，以及二次转印步骤，在将施加有电压的转印装置压在转印介质上的同时，转印到转印介质上，保持在中间转印部件上的调色剂图像。显影剂有一个墨粉。调色剂是具有至少i）由分散有着色剂的粘合剂树脂形成的黑色调色剂颗粒和ii）无机细粉末的黑色调色剂。黑色调色剂的形状因子SF-1的值为110

7. 发明授权

US06316156B1 Carrier for electrophotography, two component type developer, and image forming method 失效
标题翻译：电子照相用载体，双组分型显影剂和成像方法
公开(公告)号：US06316156B1
公开(公告)日：2001-11-13
申请号：US08493009
申请日：1995-06-21
申请人： Tsuyoshi Takiguchi , Kenji Okado , Tetsuya Ida
发明人： Tsuyoshi Takiguchi , Kenji Okado , Tetsuya Ida
IPC分类号： G03G9087
CPC分类号： G03G9/107 , G03G9/0821 , G03G9/08755
摘要： A carrier for electrophotography and a two component type developer using the carrier. The carrier is composed of magnetic particles of a magnetic ferrite component represented by Formula: (Fe2O3)X(MnO)Y(A)Z. An image forming method is also disclosed which uses the two component type developer.
摘要翻译：用于电子照相的载体和使用载体的双组分型显影剂。载体由以下公式表示的磁性铁氧体组分的磁性颗粒组成：还公开了使用双组分型显影剂的图像形成方法。

8. 发明授权

US5670288A Carrier for electrophotography, two-component type developer, and image forming method 失效
标题翻译：电子照相用载体，双组分型显影剂和成像方法
公开(公告)号：US5670288A
公开(公告)日：1997-09-23
申请号：US599845
申请日：1996-02-12
申请人： Kenji Okado , Toshiyuki Ugai , Ryoichi Fujita , Makoto Kanbayashi , Tsuyoshi Takiguchi , Yasuhiro Ichikawa , Wakashi Iida
发明人： Kenji Okado , Toshiyuki Ugai , Ryoichi Fujita , Makoto Kanbayashi , Tsuyoshi Takiguchi , Yasuhiro Ichikawa , Wakashi Iida
IPC分类号： G03G9/09 , G03G9/097 , G03G9/10 , G03G9/107 , G03G13/09
CPC分类号： G03G9/10 , G03G9/0918 , G03G9/09708 , G03G9/09716 , G03G9/107
摘要： A carrier for electrophotography has carrier particles. The carrier has a 50% average particle diameter (D.sub.50) of from 15 .mu.m to 45 .mu.m and contains from 1% to 20% of carrier particles with a size smaller than 22 .mu.m, not more than 3% of carrier particles with a size smaller than 16 .mu.m, from 2% to 15% of carrier particles with a size of 62 .mu.m or larger, and not more than 2% of carrier particles with a size of 88 .mu.m or larger. The carrier has a specific surface area S.sub.1 as measured by an air-permeability method and a specific surface area S.sub.2 as calculated by the following expression: S.sub.2 =(6/.rho..multidot.D.sub.50).times.10.sup.4 wherein .rho. is a specific gravity of carrier; satisfying the following condition: 1.2 .ltoreq.S.sub.1 /S.sub.2 .ltoreq.2.0.
摘要翻译：电子照相用载体具有载体颗粒。载体具有15μm至45μm的50％平均粒径（D50），并且含有1％至20％的尺寸小于22μm的载体颗粒，不超过载体颗粒的3％尺寸小于16μm，尺寸为62μm或更大的载体颗粒的2％至15％，以及不大于2％的尺寸为88μm或更大的载体颗粒。载体具有通过透气度测定的比表面积S1和通过下式计算的比表面积S2：S2 =（6 / rho×D50）×104其中rho是载体的比重; 满足以下条件：1.2

9. 发明授权

US5512402A Carrier for electrophotography, two-component type developer, and image forming method 失效
标题翻译：电子照相用载体，双组分型显影剂和成像方法
公开(公告)号：US5512402A
公开(公告)日：1996-04-30
申请号：US246146
申请日：1994-05-19
申请人： Kenji Okado , Toshiyuki Ugai , Ryoichi Fujita , Makoto Kanbayashi , Tsuyoshi Takiguchi , Yasuhiro Ichikawa , Wakashi Iida
发明人： Kenji Okado , Toshiyuki Ugai , Ryoichi Fujita , Makoto Kanbayashi , Tsuyoshi Takiguchi , Yasuhiro Ichikawa , Wakashi Iida
IPC分类号： G03G9/09 , G03G9/097 , G03G9/10 , G03G9/107 , G03G9/08
CPC分类号： G03G9/10 , G03G9/0918 , G03G9/09708 , G03G9/09716 , G03G9/107
摘要： A carrier for electrophotography has carrier particles. The carrier has a 50% average particle diameter (D.sub.50) of from 15 .mu.m to 45 .mu.m and contains from 1% to 20% of carrier particles with a size smaller than 22 .mu.m, not more than 3% of carrier particles with a size smaller than 16 .mu.m, from 2% to 15% of carrier particles with a size of 62 .mu.m or larger, and not more than 2% of carrier particles with a size of 88 .mu.m or larger. The carrier has a specific surface area S.sub.1 as measured by an air-permeability method and a specific surface area S.sub.2 as calculated by the following expression:S.sub.2 =(6/.rho..D.sub.50).times.10.sup.4wherein .rho. is a specific gravity of carrier; satisfying the following condition:1.2.ltoreq.S.sub.1 /S.sub.2 .ltoreq.2.0.
摘要翻译：电子照相用载体具有载体颗粒。载体具有15μm至45μm的50％平均粒径（D50），并且含有1％至20％的尺寸小于22μm的载体颗粒，不超过载体颗粒的3％尺寸小于16μm，尺寸为62μm或更大的载体颗粒的2％至15％，以及不大于2％的尺寸为88μm或更大的载体颗粒。载体具有通过透气度法测定的比表面积S1和通过下式计算的比表面积S2：S2 =（6 / rho.D50）×104其中rho是载体的比重; 满足以下条件：1.2

10. 发明授权

US5700617A Toner for developing electrostatic images and charge-controlling agent 失效
标题翻译：用于显影静电图像和电荷控制剂的调色剂
公开(公告)号：US5700617A
公开(公告)日：1997-12-23
申请号：US727219
申请日：1996-10-08
申请人： Tsuyoshi Takiguchi , Kenji Okado , Masaaki Taya , Ryoichi Fujita , Makoto Kanbayashi , Wakashi Iida , Tetsuya Ida
发明人： Tsuyoshi Takiguchi , Kenji Okado , Masaaki Taya , Ryoichi Fujita , Makoto Kanbayashi , Wakashi Iida , Tetsuya Ida
IPC分类号： G03G9/097 , H01B1/00 , H01B1/06
CPC分类号： G03G9/09733 , G03G9/09708 , G03G9/09783
摘要： A toner for developing an electrostatic image is formed from toner particles containing a binder resin, a colorant, and a charge-controlling agent. The charge-controlling agent comprises an aromatic oxycarboxylic acid, a metal compound of the aromatic oxycarboxylic acid, and an inorganic compound formed from an inorganic anion and an inorganic cation. The aromatic oxycarboxylic acid, the metal compound of the aromatic carboxylic acid and the inorganic anion are contained in proportions of A (wt. %), B (wt. %) and C (ppm), respectively, satisfying the following conditions: 1/99.ltoreq.A/B.ltoreq.20/80, and 10.sup.2 .ltoreq.C. Because of the inclusion of an inorganic compound providing a sufficient amount of inorganic anion, the charge-controlling agent shows a stable charge-controlling characteristic, and the resultant toner exhibits a stable developing performance and transferability in continuous image formation in various environmental conditions.
摘要翻译：用于显影静电图像的调色剂由含有粘合剂树脂，着色剂和电荷控制剂的调色剂颗粒形成。电荷控制剂包括芳族羟基羧酸，芳族羟基羧酸的金属化合物和由无机阴离子和无机阳离子形成的无机化合物。芳族羟基羧酸，芳族羧酸的金属化合物和无机阴离子分别以A（重量％），B（重量％）和C（ppm）的比例包含，满足以下条件：1 / 99 。由于含有提供足够量的无机阴离子的无机化合物，电荷控制剂显示出稳定的电荷控制特性，并且所得调色剂在各种环境条件下表现出稳定的连续成像的显影性能和转印性。

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