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1. 发明申请

US20090052954A1 ELECTROPHOTOGRAPHIC ENDLESS BELT, ELECTROPHOTOGRAPHIC APPARATUS, AND ELECTROPHOTOGRAPHIC ENDLESS BELT MANUFACTURING METHOD 审中-公开
标题翻译：电子无铅皮带，电子照相设备和电子无铅带制造方法
公开(公告)号：US20090052954A1
公开(公告)日：2009-02-26
申请号：US11577439
申请日：2005-12-12
申请人： Ryota Kashiwabara , Tsunenori Ashibe
发明人： Ryota Kashiwabara , Tsunenori Ashibe
IPC分类号： G03G15/16
CPC分类号： G03G15/1685 , G03G15/1625
摘要： The object of the present invention is to provide an electrophotographic endless belt exhibiting high uniformity in transfer and high stability in running, and an electrophotographic apparatus having the electrophotographic endless belt. The present invention provides: an electrophotographic endless belt formed of a thermoplastic resin composition, characterized in that, assuming that the maximum heating shrinkage factor when a slice of the electrophotographic endless belt is hot-pressed in a temperature range higher than a melting point of the thermoplastic resin composition by 10° C. to 120° C. is L (%), 15≦L≦80 is established, and assuming that the maximum tensile rupture distortion attained by performing a heating tensile test using a slice hot-pressed at a temperature giving the maximum heating shrinkage factor in a temperature range of 80° C. to 200° C. is S, 0.10≦(S+1)/L≦0.17 is established; an electrophotographic apparatus having the electrophotographic endless belt; and a method of manufacturing the electrophotographic endless belt.
摘要翻译：本发明的目的是提供一种显示出高均匀性的转印和高稳定性的电子照相无接头环形带以及具有电子照相无接头环带的电子照相设备。本发明提供：一种由热塑性树脂组合物形成的电子照相无孔环形带，其特征在于，假设当电子照相无接头环形带的切片在比所述热塑性树脂组合物的熔点高的温度范围内被热压时的最大加热收缩率 10℃〜120℃的热塑性树脂组合物为L（％），建立15≤L≤80，假设通过使用热压片进行加热拉伸试验而获得的最大拉伸断裂失真在80℃至200℃的温度范围内给出最大加热收缩率的温度为S，建立0.10 <=（S + 1）/ L <= 0.17; 具有电子照相无接头环带的电子照相设备以及制造电子照相无接头环形带的方法。

2. 发明申请

US20050118421A1 Electrophotographic conductive member and electrophotographic apparatus 有权
标题翻译：电子照相导电部件和电子照相设备
公开(公告)号：US20050118421A1
公开(公告)日：2005-06-02
申请号：US10995358
申请日：2004-11-24
申请人： Tsunenori Ashibe , Ryota Kashiwabara
发明人： Tsunenori Ashibe , Ryota Kashiwabara
IPC分类号： G03G5/00 , G03G5/10 , G03G15/00 , G03G15/02 , G03G15/16
CPC分类号： G03G15/1685 , G03G15/0233 , Y10T428/24802 , Y10T428/2913
摘要： In an electrophotographic conductive member composed of at least a thermoplastic resin composition, the thermoplastic resin composition contains a thermoplastic resin, a conductive filler and a conductive-filler dispersing agent, and the conductive-filler dispersing agent is a polyhydric alcohol type nonionic surface-active agent.
摘要翻译：在由至少热塑性树脂组合物构成的电子照相导电性构件中，热塑性树脂组合物含有热塑性树脂，导电性填料和导电性填料分散剂，导电性填料分散剂为多元醇型非离子表面活性剂代理商

3. 发明授权

US07320822B2 Electrophotographic conductive member and electrophotographic apparatus 有权
标题翻译：电子照相导电部件和电子照相设备
公开(公告)号：US07320822B2
公开(公告)日：2008-01-22
申请号：US10995358
申请日：2004-11-24
申请人： Tsunenori Ashibe , Ryota Kashiwabara
发明人： Tsunenori Ashibe , Ryota Kashiwabara
IPC分类号： B41M5/00 , B44C1/17 , G03G7/00
CPC分类号： G03G15/1685 , G03G15/0233 , Y10T428/24802 , Y10T428/2913
摘要： In an electrophotographic conductive member composed of at least a thermoplastic resin composition, the thermoplastic resin composition contains a thermoplastic resin, a conductive filler and a conductive-filler dispersing agent, and the conductive-filler dispersing agent is a polyhydric alcohol type nonionic surface-active agent.
摘要翻译：在由至少热塑性树脂组合物构成的电子照相导电性构件中，热塑性树脂组合物含有热塑性树脂，导电性填料和导电性填料分散剂，导电性填料分散剂为多元醇型非离子表面活性剂代理商

4. 发明申请

US20060151907A1 Method of manufacturing electrophotographic seamless belt and electrophotographic apparatus 审中-公开
标题翻译：电子照相无缝带和电子照相设备的制造方法
公开(公告)号：US20060151907A1
公开(公告)日：2006-07-13
申请号：US11315306
申请日：2005-12-23
申请人： Ryota Kashiwabara , Hiroyuki Kobayashi , Tsunenori Ashibe
发明人： Ryota Kashiwabara , Hiroyuki Kobayashi , Tsunenori Ashibe
IPC分类号： B29C49/08 , B29C37/02
CPC分类号： B29D29/00 , B29C35/045 , B29C35/0805 , B29C49/06 , B29C49/12 , B29C49/16 , B29C49/48 , B29C2035/0811 , B29C2035/0822 , B29C2049/4894 , B29C2793/009 , B29K2995/0005 , B29L2029/00 , G03G15/1685
摘要： A method of manufacturing an electrophotographic seamless belt, includes setting a substantially cylindrical preform made of a thermoplastic resin mixture containing a thermoplastic resin and having an outer diameter “a”, in a seamless belt molding die including a cylindrical cavity having an inner diameter “b”, and stretch blow molding at a predetermined stretch temperature T1 to obtain a stretch-blow-molded part; and cutting the stretch-blow-molded part to obtain a seamless belt. The thermoplastic resin mixture has a temperature T2 at which a parameter S/P calculated from a tensile-stress to strain curve obtained by performing a JIS K7161 test on a sheet test piece made of the thermoplastic resin mixture is 2.0 to 15.0 T2 is set as the predetermined stretch temperature T1. P indicates stress when a stretch magnification is 0.6×(b/a) and S indicates stress when the stretch magnification is 1.6×(b/a) and (b/a)≧1.7.
摘要翻译：一种电子照相无缝带的制造方法，包括将包含热塑性树脂并具有外径“a”的热塑性树脂混合物制成的大致圆筒形的预制件设置在包括内径“b”的无缝带成型模具中， “，在规定的拉伸温度T1下进行拉伸吹塑，得到拉伸吹塑成形品; 并切割拉伸吹塑成型部件以获得无缝带。热塑性树脂混合物具有温度T2，其中通过对由热塑性树脂混合物制成的片材试件进行JIS K7161试验得到的拉伸应力 - 应变曲线计算的参数S / P设定为预定拉伸温度T1。 P表示拉伸倍率为0.6×（b / a）时的应力，S表示拉伸倍率为1.6×（b / a），（b / a）> 1.7时的应力。

5. 发明授权

US06853824B2 Electrophotographic endless belt comprising meandering-preventive member, and process cartridge and electrophotographic apparatus having such an endless belt 失效
标题翻译：电子照相环形带包含防弯曲构件，以及具有这种环形带的处理盒和电子照相设备
公开(公告)号：US06853824B2
公开(公告)日：2005-02-08
申请号：US10372097
申请日：2003-02-25
申请人： Ryota Kashiwabara , Hiroyuki Kobayashi , Akihiko Nakazawa , Atsushi Tanaka , Tsunenori Ashibe , Takashi Kusaba , Hidekazu Matsuda , Yuji Sakurai
发明人： Ryota Kashiwabara , Hiroyuki Kobayashi , Akihiko Nakazawa , Atsushi Tanaka , Tsunenori Ashibe , Takashi Kusaba , Hidekazu Matsuda , Yuji Sakurai
IPC分类号： G01Q10/00 , G01Q70/00 , G01Q80/00 , G01Q90/00 , G03G15/00 , G03G15/16 , G03G15/01 , G03G15/08
CPC分类号： G03G15/755 , G03G15/1615 , G03G15/162 , G03G2215/00151 , G03G2215/0016
摘要： In an electrophotographic endless belt having a beltlike substrate, a meandering-preventive member and a position detection member, the meandering-preventive member is disposed on the inner-periphery side of one end portion of the beltlike substrate, the position detection member is disposed on the outer-periphery side of the other end portion of the beltlike substrate, and the meandering-preventive member and the position detection member are 200 mm to 250 mm away from each other in the width direction of the electrophotographic endless belt. The beltlike substrate contains a thermoplastic resin as a binder resin, and the beltlike substrate has a 25 μm×25 μm surface total current value of from 300 nA to 2,000 nA at the time of application of 100 V as measured by SPM.
摘要翻译：在具有带状基板的电子照相无接头环形带，曲折防止构件和位置检测构件中，在带状基板的一个端部的内周侧设置有蜿蜒防止构件，位置检测构件设置在带状基板的另一端部的外周侧以及曲折防止部件和位置检测部件在电子照相无接头环带的宽度方向上彼此距离为200mm〜250mm。带状基材含有作为粘合剂树脂的热塑性树脂，并且带状基材在通过SPM测量的施加100V时具有从300nA至2,000nA的25mum×25mum表面总电流值。

6. 发明授权

US06856776B2 Endless belt comprising a meandering-prevention member, and a process cartridge and an electrophotographic apparatus using such an endless belt 失效
标题翻译：包括防止弯曲部件的无端皮带以及使用这种环形带的处理盒和电子照相设备
公开(公告)号：US06856776B2
公开(公告)日：2005-02-15
申请号：US10372078
申请日：2003-02-25
申请人： Hidekazu Matsuda , Hiroyuki Kobayashi , Akihiko Nakazwa , Atsushi Tanaka , Tsunenori Ashibe , Takashi Kusaba , Ryota Kashiwabara , Yuji Sakurai
发明人： Hidekazu Matsuda , Hiroyuki Kobayashi , Akihiko Nakazwa , Atsushi Tanaka , Tsunenori Ashibe , Takashi Kusaba , Ryota Kashiwabara , Yuji Sakurai
IPC分类号： G03G21/00 , G03G15/00 , G03G15/16 , G03G21/18
CPC分类号： G03G15/755 , G03G2215/00151 , G03G2215/0016
摘要： An electrophotographic endless belt has a belt-like substrate, and a meandering-preventive member for preventing the electrophotographic endless belt from meandering and a position detection member for detecting a prescribed position of the electrophotographic endless belt. The meandering preventive member is, disposed on the inner-periphery side of one end portion of the belt-like substrate, and the position detection member is disposed on the outer-periphery side of the other end portion of the belt-like substrate. The meandering-preventive member and the position detection member are kept apart by a distance of from 200 mm to 250 mm in the width direction of the electrophotographic endless belt. A process cartridge and an electrophotographic apparatus employ such an electrophotographic endless belt as an intermediate transfer belt.
摘要翻译：电子照相无接头环形带具有带状基板和用于防止电子照相环形带蜿蜒的防弯曲构件和用于检测电子照相无接头环形带的规定位置的位置检测构件。该曲折防止构件设置在带状基板的一个端部的内周侧，位置检测构件设置在带状基板的另一端部的外周侧。曲折防止构件和位置检测构件在电子照相无接头环形带的宽度方向上保持分开200mm至250mm的距离。处理盒和电子照相设备使用这种电子照相无接头环形带作为中间转印带。

7. 发明申请

US20080069600A1 DEVELOPING MEMBER, DEVELOPING ASSEMBLY AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS 有权
标题翻译：开发会员，开发组装和电子图像形成装置
公开(公告)号：US20080069600A1
公开(公告)日：2008-03-20
申请号：US11845489
申请日：2007-08-27
申请人： Minoru Nakamura , Ryota Kashiwabara , Atsushi Tanaka
发明人： Minoru Nakamura , Ryota Kashiwabara , Atsushi Tanaka
IPC分类号： G03G15/08
CPC分类号： G03G15/0818 , G03G2215/0634 , G03G2215/0861
摘要： A developing member is disclosed which can lessen the occurring of banding. The developing member has a shaft member, an elastic layer provided on the shaft member, and a resin layer provided on the surface, wherein the resin layer contains a urethane resin and a non-reactive silicone compound, and the non-reactive silicone compound has a polyether moiety whose total number of carbon atoms ranges from 3 to 9.
摘要翻译：公开了一种可以减少条纹发生的显影部件。显影部件具有轴构件，设置在轴构件上的弹性层和设置在表面上的树脂层，其中树脂层包含聚氨酯树脂和非反应性硅氧烷化合物，并且非反应性硅氧烷化合物具有总碳原子数为3〜9的聚醚部分。

8. 发明授权

US06447970B1 Toner containing aluminum benzilic acid compound and image forming method 有权
标题翻译：含有铝苯乙酸化合物的调色剂和成像方法
公开(公告)号：US06447970B1
公开(公告)日：2002-09-10
申请号：US09588684
申请日：2000-06-07
申请人： Satoshi Matsunaga , Manabu Ohno , Koji Inaba , Satoshi Handa , Ryota Kashiwabara
发明人： Satoshi Matsunaga , Manabu Ohno , Koji Inaba , Satoshi Handa , Ryota Kashiwabara
IPC分类号： G03G9097
CPC分类号： G03G9/097 , G03G9/09741 , G03G9/0975 , G03G9/09783
摘要： A toner contains at least a binder resin, a colorant, a wax and an aluminum compound, wherein the binder resin has an acid value of 1 to 40 mgKOH/g; the binder resin contains 2% to 50% by weight of tetrahydrofuran (THF) based on the weight of the binder resin; a tetrahydrofuran-soluble matter of the binder resin has a main peak in a molecular weight range of from 2,000 to 30,000 in a chromatogram by gel permeation chromatography (GPC); and the aluminum compound is a specific aluminum compound of substituted or unsubstituted benzilic acid.
摘要翻译：调色剂至少含有粘合剂树脂，着色剂，蜡和铝化合物，其中粘合剂树脂的酸值为1至40mgKOH / g; 基于粘合剂树脂的重量，粘合剂树脂含有2重量％至50重量％的四氢呋喃（THF）; 粘合剂树脂的四氢呋喃可溶物质通过凝胶渗透色谱法（GPC）在色谱图中具有2,000至30,000的分子量范围内的主峰; 铝化合物是取代或未取代的二苯甲酸的特定的铝化合物。

9. 发明授权

US06653038B2 Toner, image forming method and process cartridge 有权
标题翻译：调色剂，成像方法和处理盒
公开(公告)号：US06653038B2
公开(公告)日：2003-11-25
申请号：US10097261
申请日：2002-03-15
申请人： Satoshi Matsunaga , Junko Yoshikawa , Ryota Kashiwabara
发明人： Satoshi Matsunaga , Junko Yoshikawa , Ryota Kashiwabara
IPC分类号： G03G9087
CPC分类号： G03G9/08797 , G03G9/08711 , G03G9/08771 , G03G9/08782 , G03G9/08791 , G03G9/08795
摘要： A toner is formed of toner particles each comprising at least a binder resin, a colorant and a wax, and inorganic fine powder. The toner is characterized by (a) containing a sulfur-containing polymer, and (b) showing dielectric loss tangent (tan&dgr;) values at 100 kHz assuming a maximum of 2.5×10−2 to 8×10−2 in a temperature range of 100 to 130° C. Because of the combination of the features (a) and (b), the toner can exhibit a good combination of developing performances and fixing performances.
摘要翻译：调色剂由至少包含粘合剂树脂，着色剂和蜡的无机细粉末的调色剂颗粒形成。调色剂的特征在于（a）含有含硫聚合物，和（b）在100kHz下显示介电损耗角正切（tandelta）值，假定在温度范围内最大值为2.5×10 -2至8×10 -2 100至130℃。由于特征（a）和（b）的组合，调色剂可以显现出显影性能和定影性能的良好组合。

10. 发明授权

US06613490B2 Toner, image forming method and process-cartridge 有权
公开(公告)号：US06613490B2
公开(公告)日：2003-09-02
申请号：US09984118
申请日：2001-10-29
申请人： Satoshi Matsunaga , Yuichi Mizoh , Junko Yoshikawa , Ryota Kashiwabara
发明人： Satoshi Matsunaga , Yuichi Mizoh , Junko Yoshikawa , Ryota Kashiwabara
IPC分类号： G03G908
CPC分类号： G03G9/0821 , G03G9/08704 , G03G9/08755 , G03G9/08782 , G03G9/08795 , G03G9/08797 , G03G9/09716 , G03G9/09725
摘要： A toner exhibiting good balance of low-temperature fixability, an anti-offset characteristic and a developing performance in continuous image formation is formed of at least a binder resin, a colorant and a wax. The toner exhibits a dielectric loss tangent showing a maximum of 6.0×10−2 to 10.0×10−2 in a temperature range of 90 to 125° C. The toner provides a DSC curve showing at least one heat-absorption peak or shoulder in a temperature range of 85 to 140° C. on temperature increase according to differential scanning calorimetry (DSC). The binder resin comprises a hybrid resin having a vinyl polymer unit and a polyester unit.

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