公开(公告)号：US20050175919A1

公开(公告)日：2005-08-11

申请号：US10776791

申请日：2004-02-11

申请人： Kenji Hayashi ,  Ken Ohmura ,  Mikio Kouyama

发明人： Kenji Hayashi ,  Ken Ohmura ,  Mikio Kouyama

IPC分类号： G03G9/08 ,  G03G9/087

CPC分类号： G03G9/08797 ,  G03G9/0821 ,  G03G9/08755

摘要： A toner includes at least a crystalline compound, a binding resin and coloring agent, wherein a differential heat quantity curve measured by a differential scanning calorimeter (DSC) has a clear endothermic peak at 50 to 100° C. in a first temperature rising process, and in a second temperature rising process, a peak area of the endothermic peak is reduced by ⅓ or less with respect to the peak area of the endothermic peak in the first temperature rising process. An image forming method employs the toner.

摘要翻译： 调色剂至少包含结晶化合物，粘合树脂和着色剂，其中通过差示扫描量热计（DSC）测量的差热量曲线在第一升温过程中在50至100℃具有明显的吸热峰， 并且在第二升温过程中，吸热峰的峰面积相对于第一升温处理中的吸热峰的峰面积减少1/3以下。 图像形成方法采用调色剂。

公开(公告)号：US08748073B2

公开(公告)日：2014-06-10

申请号：US13963452

申请日：2013-08-09

申请人： Hiroshi Nagasawa ,  Ken Ohmura

发明人： Hiroshi Nagasawa ,  Ken Ohmura

IPC分类号： G03G5/00

CPC分类号： G03G9/081 ,  G03G9/0806 ,  G03G9/08726 ,  G03G9/08755 ,  G03G9/08786 ,  G03G9/08791 ,  G03G9/08795 ,  G03G9/08797

摘要： A toner comprising a modified polyester resin containing a structure represented by Formula (1a) or (1b), wherein, in Formula (1a) and (1b), R1 represents a hydrogen atom, a methyl group, or an ethyl group, R2 represents an aliphatic hydrocarbon which may be branched, or an aromatic hydrocarbon, and R3 represents a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, or a phenyl group.

摘要翻译： 包含含有式（1a）或（1b）所示结构的改性聚酯树脂的调色剂，其中在式（1a）和（1b）中，R 1表示氢原子，甲基或乙基，R 2表示 可以是支链的脂肪族烃或芳香族烃，R3表示氢原子，碳原子数为1〜4的烷基或苯基。

公开(公告)号：US07514190B2

公开(公告)日：2009-04-07

申请号：US11042510

申请日：2005-01-26

申请人： Ken Ohmura ,  Asao Matsushima

发明人： Ken Ohmura ,  Asao Matsushima

IPC分类号： G03G13/01

CPC分类号： G03G9/08795 ,  G03G5/0614 ,  G03G5/0696 ,  G03G9/0819 ,  G03G9/0821 ,  G03G9/0827 ,  G03G9/08797 ,  G03G9/0906 ,  G03G9/09783 ,  G03G9/09791 ,  G03G2215/0119 ,  G03G2221/0005

摘要： An electrophotographic image forming method is disclosed, which includes the steps of developing an electrostatic image on a electrophotographic photoreceptor by a developer, transferring a toner image formed by the development, and fixing the toner image on a recording medium. It is disclosed that a toner has a volume particle diameter (Dv50) of about 4.4 to about 5.8 μm and displays two or more endothermic peaks measured by DSC being within the rang of from about 50 to about 73° C. and the endothermic heat amount thereof is from 12.6 to 24.5 J/mg and a transferring member and/or a fixing member constituted by a belt containing a polyimide resin are employed in the method.

摘要翻译： 公开了一种电子照相图像形成方法，其包括以下步骤：通过显影剂在电子照相感光体上显影静电图像，转印通过显影形成的调色剂图像，并将调色剂图像定影在记录介质上。 公开了一种调色剂的体积粒径（Dv50）为约4.4至约5.8μm，并且显示通过DSC测量的两个或更多个吸热峰在约50至约73℃的范围内，吸热量 为12.6〜24.5J / mg，在该方法中使用由含有聚酰亚胺树脂的带构成的转印体和/或固定部件。

公开(公告)号：US07186492B2

公开(公告)日：2007-03-06

申请号：US10776791

申请日：2004-02-11

申请人： Kenji Hayashi ,  Ken Ohmura ,  Mikio Kouyama

发明人： Kenji Hayashi ,  Ken Ohmura ,  Mikio Kouyama

IPC分类号： G03G9/08

CPC分类号： G03G9/08797 ,  G03G9/0821 ,  G03G9/08755

摘要： A toner includes at least a crystalline compound, a binding resin and coloring agent, wherein a differential heat quantity curve measured by a differential scanning calorimeter (DSC) has a clear endothermic peak at 50 to 100° C. in a first temperature rising process, and in a second temperature rising process, a peak area of the endothermic peak is reduced by ⅓ or less with respect to the peak area of the endothermic peak in the first temperature rising process. An image forming method employs the toner.

摘要翻译： 调色剂至少包含结晶化合物，粘合树脂和着色剂，其中通过差示扫描量热计（DSC）测量的差热量曲线在第一升温过程中在50至100℃具有明显的吸热峰， 并且在第二升温过程中，吸热峰的峰面积相对于第一升温处理中的吸热峰的峰面积减少1/3以下。 图像形成方法采用调色剂。

公开(公告)号：US20050214024A1

公开(公告)日：2005-09-29

申请号：US10806817

申请日：2004-03-23

申请人： Yuuko Yamaguchi ,  Shigeki Takenouchi ,  Ken Ohmura

发明人： Yuuko Yamaguchi ,  Shigeki Takenouchi ,  Ken Ohmura

IPC分类号： G03G21/16

CPC分类号： G03G21/181 ,  G03G2221/1669

摘要： An image forming apparatus comprising: a photoreceptor; and a plurality of processing devices to form an image, wherein at least one of the processing devices include a portion assembled by an adhesive material including a volatile gas component in an amount of 0.1-9 μg/cm2.

摘要翻译： 一种图像形成装置，包括：感光体; 以及多个处理装置以形成图像，其中至少一个处理装置包括由包含0.1-9mug / cm 2的挥发性气体成分的粘合材料组装的部分， 。

公开(公告)号：US06806012B2

公开(公告)日：2004-10-19

申请号：US10244856

申请日：2002-09-16

申请人： Yasuko Yamauchi ,  Ken Ohmura ,  Masafumi Uchida

发明人： Yasuko Yamauchi ,  Ken Ohmura ,  Masafumi Uchida

IPC分类号： G03G9093

CPC分类号： G03G9/08782 ,  G03G9/0806 ,  G03G9/081 ,  G03G9/0819 ,  G03G9/0825 ,  G03G9/0827 ,  G03G9/08795 ,  G03G9/093 ,  G03G9/09307 ,  G03G9/0935

摘要： An electrostatic image developing toner is disclosed. The resin of the toner particle has a cell structure and an average value of FERE-horizontal diameters of the cells is from 20 to 200 nm and a variation coefficient of the FERE-horizontal diameters of the cells is from 10 to 35%.

摘要翻译： 公开了静电图像显影调色剂。 调色剂颗粒的树脂具有电池结构，电池的FERE-水平直径的平均值为20〜200nm，电池的FERE-水平直径的变动系数为10〜35％。

公开(公告)号：US06456820B1

公开(公告)日：2002-09-24

申请号：US09888747

申请日：2001-06-25

申请人： Kazuhiko Sato ,  Ken Ohmura

发明人： Kazuhiko Sato ,  Ken Ohmura

IPC分类号： G03G2100

CPC分类号： G03G21/0029

摘要： A cleaning unit having a cleaning blade which removes residual toner from an organic photoreceptor is disclosed. The cleaning unit is constituted so as to satisfy the relation of the variation of dynamic torque values of from 10 Hz to 10 kHz, generated between said organic photoreceptor and said cleaning blade in the specification.

摘要翻译： 公开了一种具有从有机感光体除去残留调色剂的清洁刮板的清洁单元。 清洁单元被构造成满足在说明书中在所述有机感光体和所述清洁刮板之间产生的10Hz至10kHz的动态转矩值的变化的关系。

公开(公告)号：US06287740B1

公开(公告)日：2001-09-11

申请号：US09767095

申请日：2001-01-22

申请人： Ken Ohmura ,  Tomomi Oshiba

发明人： Ken Ohmura ,  Tomomi Oshiba

IPC分类号： G03G9097

摘要： A toner for electrophotography is disclosed. The toner comprises a binder resin and a colorant and a wax in amount of 0.5 to 8 percent by weight, and adhesion power index of wax particles to toner particles is between 0.7 and 2.2. The toner improves the durability of the developer material and a photoreceptor, minimizes image smear at high temperature and humidity, and exhibits excellent fixation as well as offsetting resistance.

公开(公告)号：US06197468B1

公开(公告)日：2001-03-06

申请号：US09378899

申请日：1999-08-23

申请人： Ken Ohmura ,  Tomomi Oshiba

发明人： Ken Ohmura ,  Tomomi Oshiba

IPC分类号： G03G9097

CPC分类号： G03G9/08704 ,  G03G9/08782

摘要： A toner for electrophotography is disclosed. The toner comprises a binder resin and a colorant and a wax in amount of 0.5 to 8 percent by weight, and adhesion power index of wax particles to toner particles is between 0.7 and 2.2. The toner improves the durability of the developer material and a photoreceptor, minimizes image smear at high temperature and humidity, and exhibits excellent fixation as well as offsetting resistance.

公开(公告)号：US5350656A

公开(公告)日：1994-09-27

申请号：US669932

申请日：1991-03-15

申请人： Shigenori Kouno ,  Ken Ohmura ,  Yoshiaki Koizumi ,  Kenji Tsujita

发明人： Shigenori Kouno ,  Ken Ohmura ,  Yoshiaki Koizumi ,  Kenji Tsujita

IPC分类号： G03G9/113 ,  G03G9/00

CPC分类号： G03G9/1131 ,  G03G9/1132

摘要： There is disclosed an electrostatic image-developing carrier having a resin coat layer with an excellent mechanical strength. The carrier is prepared by repeatedly applying a mechanical impact force to the mixture of the core particle and the coating resin particle in a dry condition, wherein a molecular weight distribution chromatogram according to a gel permeation chromatography of a tetrahydro-furansoluble component in the resin coat layer has at least one peak or shoulder in a molecular weight range 1,000 to 20,000.

摘要翻译： 公开了具有机械强度优异的树脂涂层的静电影像显影载体。 在干燥条件下，通过重复地对核心颗粒和涂覆树脂颗粒的混合物施加机械冲击力制备载体，其中根据树脂涂层中四氢呋喃不溶成分的凝胶渗透色谱法的分子量分布色谱 层具有1,000至20,000的分子量范围内的至少一个峰或肩峰。