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1. 发明授权

US5884129A Electrostatic-image developer and image forming process 失效
标题翻译：静电图像显影剂和成像工艺
公开(公告)号：US5884129A
公开(公告)日：1999-03-16
申请号：US863914
申请日：1997-05-27
申请人： Masanori Ichimura , Michio Take , Hidekazu Yaguchi , Masaki Hashimoto , Takashi Imai , Hiroshi Takano , Masahiro Takagi , Akihiro Iizuka , Yuka Ishihara
发明人： Masanori Ichimura , Michio Take , Hidekazu Yaguchi , Masaki Hashimoto , Takashi Imai , Hiroshi Takano , Masahiro Takagi , Akihiro Iizuka , Yuka Ishihara
IPC分类号： G03G9/08 , G03G9/087 , G03G9/09 , G03G9/10 , G03G13/08 , G03G15/08 , G03G15/09
CPC分类号： G03G9/0821 , G03G13/08 , G03G9/0904 , G03G9/10
摘要： An electrostatic-image developer which comprises: (i) a toner comprising: (a) toner particles containing carbon black in an amount of from 6 to 8% by weight based on the weight of the toner particles and having a volume-average particle diameter of from 3 to 9 .mu.m; and (b) an external additive; and (ii) a resin-coated carrier having a volume resistivity of from 10.sup.7 to 10.sup.11 .OMEGA..multidot.cm in an electric field of 10.sup.3.8 V/cm and an average particle diameter of from 30 to 60 .mu.m. Also disclosed are a process for forming a black image and a process for forming a full-color image each using the electrostatic-image developer.
摘要翻译：一种静电图像显影剂，其包括：（i）调色剂，其包含：（a）基于调色剂颗粒的重量，含有6至8重量％的碳黑的调色剂颗粒，并且具有体积平均粒径 3〜9亩; 和（b）外部添加剂; 和（ii）电场为103.8V / cm，平均粒径为30〜60μm的体积电阻率为107〜1011欧米伽×厘米的树脂被覆载体。还公开了一种用于形成黑色图像的过程和用于形成使用静电图像显影剂的全色图像的处理。

2. 发明授权

US06242146B1 Carrier for electrostatic-charged image developer, developer and image forming process using the same, and carrier core material reproducing process 有权
标题翻译：用于静电充电图像显影剂的载体，使用其的显影剂和图像形成方法以及载体芯材料再现过程
公开(公告)号：US06242146B1
公开(公告)日：2001-06-05
申请号：US09499454
申请日：2000-02-07
申请人： Yuka Ishihara , Hiroshi Nakazawa , Akihiro Iizuka , Yoshifumi Iida , Kaori Oishi , Tomohito Nakajima , Takashi Imai , Masanori Ichimura
发明人： Yuka Ishihara , Hiroshi Nakazawa , Akihiro Iizuka , Yoshifumi Iida , Kaori Oishi , Tomohito Nakajima , Takashi Imai , Masanori Ichimura
IPC分类号： G03G9113
CPC分类号： G03G9/10
摘要： A carrier for two-component electrostatic-charged image developer, at least the surface of which is coated with a resin, is provided. The apparent density &rgr; (g/cm3) of the carrier, the mean particle diameter D (cm) of the carrier, and the specific area S (cm2/g) of the carrier core material satisfy the following conditions: 600≦S≦1500 10/(D×&rgr;)−S≦300. A two-component developer and an image-forming process using the carrier are also provided.
摘要翻译：提供了至少其表面涂覆有树脂的双组分静电电荷显影剂载体。载体的表观密度rho（g / cm 3），载体的平均粒径D（cm）和载体芯材的比表面积S（cm 2 / g）满足以下条件：双组分显影剂并且还提供使用该载体的图像形成处理。

3. 发明授权

US06383704B1 Full color electrophotographic toner, full color electrophotographic developer and image forming method 失效
标题翻译：全色电子照相色调剂，全色电子照相显影剂和成像方法
公开(公告)号：US06383704B1
公开(公告)日：2002-05-07
申请号：US09723241
申请日：2000-11-28
申请人： Rieko Kataoka , Susumu Yoshino , Akihiro Iizuka , Koutarou Yoshihara , Haruhide Ishida , Tetsuya Taguchi , Fumiaki Mera , Hiroshi Takano , Yasuhiro Oya , Michio Take
发明人： Rieko Kataoka , Susumu Yoshino , Akihiro Iizuka , Koutarou Yoshihara , Haruhide Ishida , Tetsuya Taguchi , Fumiaki Mera , Hiroshi Takano , Yasuhiro Oya , Michio Take
IPC分类号： G03G910
CPC分类号： G03G9/1075 , G03G9/08782 , G03G9/09708 , G03G9/09716
摘要： A full color electrophotographic toner including toner particles containing at least a binder resin, a colorant and a wax, and external additives, at least one of the external additives being rutile titanium oxide having a volume resistivity of 1×1014 to 1×1018 &OHgr;cm, and a dispersion absolute deviation a of rutile titanium oxide being 0.17 or less, and a full color electrophotographic developer and an image forming method using the same are provided. In the full color electrophotographic toner, the full color electrophotographic developer and the image forming method of the invention, a retransfer phenomenon of the transferred toner can be prevented, a chargeability and a transferability are not problematic at all, a charging amount of the toner in long-term use can be rendered appropriate and stable, and a fluidity is also excellent.
摘要翻译：包含至少含有粘合剂树脂，着色剂和蜡的调色剂颗粒和外部添加剂的全色电子照相调色剂，至少一种外部添加剂是体积电阻率为1×10 14至1×10 18 OMEGA cm的金红石型氧化钛，以及分散绝对金红石型氧化钛的偏差为0.17以下，全色电子照相显影剂和使用其的图像形成方法。在全色电子照相调色剂，全色电子照相显影剂和本发明的成像方法中，可以防止转印的调色剂的再转印现象，带电性和转印性完全没有问题，调色剂的带电量长期使用可以适当和稳定，流动性也很好。

4. 发明授权

US5693444A Electrostatic-image developer and image forming process 失效
标题翻译：静电图像显影剂和成像工艺
公开(公告)号：US5693444A
公开(公告)日：1997-12-02
申请号：US762875
申请日：1996-12-12
申请人： Masahiro Takagi , Akihiro Iizuka , Satoru Ishigaki , Masanori Ichimura
发明人： Masahiro Takagi , Akihiro Iizuka , Satoru Ishigaki , Masanori Ichimura
IPC分类号： G03G9/08 , G03G9/087 , G03G9/09 , G03G9/097 , G03G9/107 , G03G9/113
CPC分类号： G03G9/0819 , G03G9/097 , G03G9/107
摘要： An electrostatic-image developer which comprises a toner and a carrier comprising core particles coated with a coating resin, wherein the toner comprises toner particles having a volume-average particle diameter of from 3 to 9 .mu.m and having a specific particle diameter distribution, at least 20% of the total surface area of the toner particles is covered with (a) an external additive having an average particle diameter of from 20 nm to 100 nm, and at least 40% of the total surface area of the toner particles is covered with (b) an external additive having an average particle diameter of from 7 nm to 20 nm, and wherein the core particles of the carrier are magnetic particles formed from a composition comprising 100 parts by weight of a ferrite component represented by the following formula (3): (M.sub.y O).sub.100-x (Fe.sub.2 O.sub.3).sub.x (3) (wherein M is a metal atom selected from the group consisting of Li, Mg, Ca and Mn; x is from 45 to 95 mol %; and y is 1 or 2) and from 0.01 to 10 parts by weight of an oxide of at least one element selected from the group consisting of Groups IA, IIA, IIIA, IVA, VA, IIIB, IVB, and VB of the periodic table by granulating the composition and sintering the granules, and the magnetic particles have a silicon content of from 500 to 5,000 ppm. An image forming process using the developer is also disclosed.
摘要翻译：一种静电图像显影剂，其包含调色剂和载体，所述载体包含涂覆有涂层树脂的芯颗粒，其中所述调色剂包含体积平均粒径为3至9μm并具有特定粒径分布的调色剂颗粒，调色剂颗粒的总表面积的至少20％用（a）平均粒径为20nm至100nm的外部添加剂覆盖，并且调色剂颗粒的总表面积的至少40％被覆盖（b）平均粒径为7nm〜20nm的外部添加剂，其中载体的核心颗粒是由包含100重量份由下式表示的铁氧体组分的组合物形成的磁性颗粒（ 3）:( MyO）100-x（Fe 2 O 3）x（3）（其中M为选自Li，Mg，Ca和Mn的金属原子; x为45〜95摩尔％，y为1 或2）和0.01至10重量份的氧化物 e的至少一种选自元素周期表的IA，IIA，IIIA，IVA，VA，IIIB，IVB和VB族的元素，通过将组合物制粒并烧结颗粒，并且磁性颗粒具有硅含量为500〜5000ppm。还公开了使用显影剂的成像方法。

5. 发明授权

US6096466A Developer and developing method 有权
标题翻译：开发和开发方法
公开(公告)号：US6096466A
公开(公告)日：2000-08-01
申请号：US244127
申请日：1999-02-04
申请人： Takashi Imai , Akihiro Iizuka , Yoshifumi Iida , Masanori Ichimura
发明人： Takashi Imai , Akihiro Iizuka , Yoshifumi Iida , Masanori Ichimura
IPC分类号： G03G9/08 , G03G9/10 , G03G9/107 , G03G9/113 , G03G13/09 , G03G15/08
CPC分类号： G03G13/09 , G03G9/10 , G03G9/107 , G03G9/1139 , G03G2215/0177
摘要： A developer for replenishment for use in a developing system in which a latent image on a latent image holding member is developed with a developing unit containing a two-component developer comprising a toner and a carrier while replenishing the developer with a developer for replenishment, the developer for replenishment comprising a carrier and from 1 to 30 parts by weight of a toner per 1 part by weight of the carrier, and the developer for replenishment having an electrical resistance substantially equal to that of the carrier previously contained in the developing unit, but giving a larger charge quantity to the toner than the carrier previously contained in the developing unit does. Also disclosed is a developing method using the developer for replenishment.
摘要翻译：一种用于补充显影剂的显影剂，其中潜像保持部件上的潜像用显影单元显影，所述显影单元含有包含调色剂和载体的双组分显影剂，同时用用于补充的显影剂补充显影剂，用于补充的显影剂，其包含载体和每1重量份载体1至30重量份的调色剂，并且用于补充的显影剂具有基本上等于显影单元中预先包含的载体的电阻，但是相对于先前容纳在显影单元中的载体，赋予调色剂更大的电荷量。还公开了一种使用显影剂进行补充的开发方法。

6. 发明授权

US6101358A Image-forming method 有权
标题翻译：成像方法
公开(公告)号：US6101358A
公开(公告)日：2000-08-08
申请号：US418826
申请日：1999-10-15
申请人： Takashi Imai , Akihiro Iizuka , Yoshifumi Iida , Hiroshi Nakazawa , Masanori Ichimura
发明人： Takashi Imai , Akihiro Iizuka , Yoshifumi Iida , Hiroshi Nakazawa , Masanori Ichimura
IPC分类号： G03G15/09 , G03G9/08 , G03G9/10 , G03G9/107 , G03G13/09 , G03G15/08
CPC分类号： G03G9/107 , G03G13/09 , G03G9/08 , G03G9/10
摘要： Provided is an image-forming method including a step of forming a layer of a developer on a surface of a developer support member disposed facing a latent image support member, a developing step of developing an electrostatic latent image on the latent image support member using the layer of the developer formed to obtain a toner image, a transferring step of transferring the toner image onto a transfer material and a fixing step of fixing the transferred toner image, wherein the developer support member has therein a development magnetic pole in which a magnetic force of a main pole is 100 mT or more, said developer having a toner and a carrier which has a volume average particle diameter of 50 .mu.m or less, and image formation method is conducted at a process speed of 200 mm/sec or more.In the image-forming method of the invention, high-quality images free from blurring in a half-tone portion adjacent to a solid image can be formed in a high-speed image-forming process using the two-component developer of a small particle diameter without migration of the carrier into the latent image.
摘要翻译：提供了一种图像形成方法，包括在面向潜像支撑部件设置的显影剂支撑部件的表面上形成显影剂层的步骤，使用该显影步骤使潜像支撑部件上的静电潜像显影形成以获得调色剂图像的显影剂层，将调色剂图像转印到转印材料上的转印步骤和固定转印的调色剂图像的定影步骤，其中显影剂支撑构件中具有显影磁极，其中磁力所述显影剂具有体积平均粒径为50μm以下的调色剂和载体，以200mm / sec以上的处理速度进行图像形成方法。在本发明的图像形成方法中，可以在使用小粒子的双组分显影剂的高速图像形成处理中形成没有与实心图像相邻的半色调部分中的模糊的高质量图像直径，而不会使载体迁移到潜像中。

7. 发明授权

US08389192B2 Electrophotographic carrier, electrophotographic developer, process cartridge and image forming device 有权
标题翻译：电子照相载体，电子照相显影剂，处理盒和成像装置
公开(公告)号：US08389192B2
公开(公告)日：2013-03-05
申请号：US12726617
申请日：2010-03-18
申请人： Fusako Kiyono , Takeshi Shoji , Yosuke Tsurumi , Akihiro Iizuka
发明人： Fusako Kiyono , Takeshi Shoji , Yosuke Tsurumi , Akihiro Iizuka
IPC分类号： G03G9/00
CPC分类号： G03G9/1133 , G03G9/08755 , G03G9/08782 , G03G9/08797 , G03G9/1139 , G03G2215/0607
摘要： An electrophotographic carrier includes a magnetic core material and a resin layer that coats the magnetic core material, the resin layer comprising a resistance control agent and a polymer including a repeating unit derived from an alicyclic group-containing methacrylic ester, the resin layer including a monomer as a base material of the repeating unit in the polymer in an amount of from about 0.5% by weight to about 3.0% by weight relative to the total amount of the resin layer.
摘要翻译：电子摄影载体包括磁芯材料和涂覆磁芯材料的树脂层，树脂层包括电阻控制剂和包含衍生自含脂环基的甲基丙烯酸酯的重复单元的聚合物，所述树脂层包含单体作为聚合物中重复单元的基材，其量相对于树脂层的总量为约0.5重量％至约3.0重量％。

8. 发明授权

US07745087B2 Electrostatic image developer, process cartridge, and image forming apparatus 有权
标题翻译：静电图像显影剂，处理盒和成像装置
公开(公告)号：US07745087B2
公开(公告)日：2010-06-29
申请号：US11905283
申请日：2007-09-28
申请人： Yosuke Tsurumi , Akihiro Iizuka , Tsuyoshi Murakami
发明人： Yosuke Tsurumi , Akihiro Iizuka , Tsuyoshi Murakami
IPC分类号： G03G9/093
CPC分类号： G03G9/1132 , G03G9/08755 , G03G9/08795 , G03G9/08797 , G03G9/10 , G03G9/107 , G03G9/1075 , G03G2215/0132 , G03G2215/0609
摘要： An electrostatic image developer contains a toner and a carrier having a resin coating layer formed on the surface of a core material containing a ferrite component, wherein a ratio R1/R2 is from 0.88 to 0.92 where R1 is the resistance value (Ω) of the developer having a toner concentration of 2 mass % in a state formed into a magnetic brush, at an applied voltage of 104 V/cm, and R2 is the resistance value (Ω) of the developer having a toner concentration of 12 mass % in a state formed into a magnetic brush, at an applied voltage of 104 V/cm.
摘要翻译：静电图像显影剂含有调色剂和载体，该树脂涂层形成在含有铁素体组分的芯材的表面上，其中R1 / R2的比值为0.88至0.92，其中R1是电阻值（＆OHgr）显影剂在形成磁刷的状态下的调色剂浓度为2质量％，施加电压为104V / cm，R2为调色剂浓度为12质量％的显影剂的电阻值（＆amp; OHgr）在形成为磁刷的状态下，以施加的电压为104V / cm。

9. 发明申请

US20090109448A1 ELECTROSTATIC CHARGE IMAGE DEVELOPING CARRIER, ELECTROSTATIC CHARGE IMAGE DEVELOPER, ELECTROSTATIC CHARGE IMAGE DEVELOPER CARTRIDGE, PROCESS CARTRIDGE, IMAGE FORMING METHOD AND IMAGE FORMING APPARATUS 审中-公开
标题翻译：静电充电图像发展载体，静电充电图像开发器，静电充电图像开发器盒，过程盒，图像形成方法和图像形成装置
公开(公告)号：US20090109448A1
公开(公告)日：2009-04-30
申请号：US12166975
申请日：2008-07-02
申请人： Fusako Kiyono , Taichi Yamada , Yosuke Tsurumi , Akira Matsumoto , Akihiro Iizuka , Tsuyoshi Murakami
发明人： Fusako Kiyono , Taichi Yamada , Yosuke Tsurumi , Akira Matsumoto , Akihiro Iizuka , Tsuyoshi Murakami
IPC分类号： G06F3/12 , G03G9/083
CPC分类号： G03G9/1075 , G03G9/10 , G03G9/1133 , G03G9/1135 , G03G9/1138 , G03G9/1139
摘要： An electrostatic charge image developing carrier includes: a magnetic particle; and a resin coating layer that covers a surface of the magnetic particle with a resin, the resin coating layer containing an acid having a cyclic diterpene structure and either of carbon black or nigrosine dispersed therein.
摘要翻译：静电荷图像显影载体包括：磁性颗粒; 以及树脂覆盖层，其用树脂覆盖磁性粒子的表面，该树脂被覆层含有分布在其中的环状二萜结构的酸和分散在其中的炭黑或苯胺黑。

10. 发明授权

US07939234B2 Carrier for electrostatic image development, and image formation method and apparatus 有权
标题翻译：用于静电图像显影的载体，以及图像形成方法和装置
公开(公告)号：US07939234B2
公开(公告)日：2011-05-10
申请号：US11806223
申请日：2007-05-30
申请人： Akira Matsumoto , Akihiro Iizuka , Fusako Kiyono
发明人： Akira Matsumoto , Akihiro Iizuka , Fusako Kiyono
IPC分类号： G03G9/00
CPC分类号： G03G15/09 , G03G9/09708 , G03G9/107 , G03G9/1132 , G03G9/1139 , G03G15/095 , G03G2215/0609
摘要： An image forming apparatus, including a latent image-holding member, a developing unit, a transfer unit, a cleaning unit, and a recycling unit, wherein the developer includes a toner having an external-additive adhesiveness index SA in the range of approximately 50% to approximately 95% and: a carrier containing magnetic particles and a coating layer coating the surface of the magnetic particles and having a total energy of approximately 1,420 to approximately 2,920 mJ; or a carrier containing magnetic powder-dispersed particles and a coating layer coating the surface of the magnetic powder-dispersed particles and having a total energy of, approximately 890 to approximately 1,390 mJ.
摘要翻译：一种图像形成装置，包括潜像保持构件，显影单元，转印单元，清洁单元和再循环单元，其中显影剂包括具有约50的范围内的外部添加剂粘合指数SA的调色剂％至约95％，和：含有磁性颗粒的载体和涂覆磁性颗粒表面的涂层，其总能量约为1,420至约2920mJ; 或包含磁粉分散颗粒的载体和涂覆磁粉分散颗粒表面的涂层，其总能量约为890至约1390mJ。

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