公开(公告)号：US07427461B2

公开(公告)日：2008-09-23

申请号：US10930753

申请日：2004-09-01

申请人： Yasushige Nakamura ,  Satoshi Takezawa

发明人： Yasushige Nakamura ,  Satoshi Takezawa

IPC分类号： G03G9/00

CPC分类号： G03G15/201 ,  G03G9/092 ,  G03G9/0926

摘要： A toner for developing an electrostatic latent image, including toner particles that include at least a binder resin and a quinacridone pigment. The quinacridone pigment includes quinacridone represented by the following structural formula which has a β-type crystal structure and quinacridone represented by the following structural formula which has a γ-type crystal structure.

摘要翻译： 用于显影静电潜像的调色剂，包括至少包含粘合剂树脂和喹吖啶酮颜料的调色剂颗粒。 喹吖啶酮颜料包括具有β型晶体结构的以下结构式所示的喹吖啶酮和具有γ型晶体结构的下述结构式所示的喹吖啶酮。

公开(公告)号：US20070287089A1

公开(公告)日：2007-12-13

申请号：US11595993

申请日：2006-11-13

申请人： Akiko Kimura ,  Yasushige Nakamura ,  Shinichi Yaoi

发明人： Akiko Kimura ,  Yasushige Nakamura ,  Shinichi Yaoi

IPC分类号： G03G9/08

CPC分类号： G03G9/0975 ,  G03G9/09733 ,  G03G9/09741 ,  G03G9/09775

摘要： There are disclosed an electrophotographic toner including a compound represented by formula (1) and a compound represented by formula (2). In Formula (1), R1, R2, R3, and R4 each independently represent a hydrogen atom, an alkyl group or an aromatic group, and X− represents a molybdate anion or a tungstate anion. In Formula (2), R5+ and R6+ each independently represent a hydrogen ion, an ammonium ion, an iminium ion, or a phosphonium ion, and R7, R8, R9, R10, R11, R12, R13, and R14 each independently represent a hydrogen atom or an alkyl group.

摘要翻译： 公开了包含由式（1）表示的化合物和由式（2）表示的化合物的电子照相调色剂。 在式（1）中，R 1，R 2，R 3和R 4各自独立地表示 氢原子，烷基或芳基，X-O表示钼酸根阴离子或钨酸根阴离子。 在式（2）中，R 5 + +和/或 - 各自独立地表示氢离子，铵 离子，亚铵离子或鏻离子，R 7，R 8，R 9，R 10 O， >，R 11，R 12，R 13和R 14各自独立地表示氢原子或 烷基。

公开(公告)号：US20060269863A1

公开(公告)日：2006-11-30

申请号：US11249279

申请日：2005-10-14

申请人： Yasushige Nakamura ,  Sadaaki Yoshida

发明人： Yasushige Nakamura ,  Sadaaki Yoshida

IPC分类号： G03G9/113

CPC分类号： G03G9/1075 ,  G03G9/1136 ,  G03G9/1138 ,  G03G9/1139

摘要： A carrier for electrostatic latent image developer, including a core material and at least two or more resin-coated layers formed on the surface of the core material, wherein the resin-coated layers include a siloxane bond-containing coating resin containing an organic metal compound and a conductive material, the metal contained in the organic metal compound in the innermost resin-coated layer has an ionization potential of less than 7 eV, and the metal contained in the organic metal compound in the outermost resin-coated layer has an ionization potential of 7 eV or more.

公开(公告)号：US20050053857A1

公开(公告)日：2005-03-10

申请号：US10930867

申请日：2004-09-01

申请人： Yasushige Nakamura ,  Satoshi Takezawa

发明人： Yasushige Nakamura ,  Satoshi Takezawa

IPC分类号： G03G9/08 ,  G03G9/09 ,  G03G15/20

CPC分类号： G03G9/0918 ,  G03G9/09 ,  G03G9/0906 ,  G03G9/0908 ,  G03G9/091 ,  G03G9/0912 ,  G03G9/0914 ,  G03G9/0916 ,  G03G9/092 ,  G03G9/0922 ,  G03G9/0926

摘要： The present invention discloses a yellow toner for flash fixation, comprising an infrared absorbent, one or more yellow colorants, and a binder resin, wherein a* of the infrared absorbent in an CIELAB color space is less than 0, and a* of one or more of the yellow colorants in the CIELAB color space is more than 0, or vice versa; and a developer and an image forming method using the yellow toner.

摘要翻译： 本发明公开了一种用于闪光固定的黄色调色剂，其包含红外线吸收剂，一种或多种黄色着色剂和粘合剂树脂，其中CIELAB色彩空间中的红外吸收剂的* *小于0，a * CIELAB颜色空间中更多的黄色着色剂大于0，反之亦然; 以及使用黄色调色剂的显影剂和图像形成方法。

公开(公告)号：US06803165B2

公开(公告)日：2004-10-12

申请号：US10103569

申请日：2002-03-22

申请人： Seijiro Ishimaru ,  Yasushige Nakamura

发明人： Seijiro Ishimaru ,  Yasushige Nakamura

IPC分类号： G03G9097

CPC分类号： G03G9/08755 ,  G03G9/08791

摘要： A toner for electrophotography contains at least one kind of cyclic compound selected from cyclic oligomers and cyclic polymers substantially having no terminal group, and the image forming device includes at least an electrostatic latent image carrier, an electrostatic latent image forming means for forming electrostatic latent images on the electrostatic latent image carrier, a developing means for forming visible images by developing the electrostatic latent images containing a developing agent for electrophotography, and a transfer means for transferring the visible images to a transfer material. Thus, the present invention provides a toner for electrophotography capable of providing well-balanced electrostatic property and fixing property during the image forming process in order to form images of high quality in a stable manner, and an image forming device.

摘要翻译： 用于电子照相的调色剂含有至少一种选自环状低聚物和基本上不具有末端基团的环状聚合物的环状化合物，并且图像形成装置至少包括静电潜像载体，用于形成静电潜像的静电潜像形成装置 在静电潜像载体上，用于通过显影含有电子照相显影剂的静电潜像来形成可见图像的显影装置和用于将可见图像转印到转印材料的转印装置。 因此，本发明提供一种用于电子照相的调色剂，其能够在图像形成过程期间提供良好的平衡的静电特性和定影性，以便以稳定的方式形成高品质的图像和图像形成装置。

公开(公告)号：US06620568B2

公开(公告)日：2003-09-16

申请号：US09874050

申请日：2001-06-06

申请人： Yasushige Nakamura ,  Shinichi Yaoi

发明人： Yasushige Nakamura ,  Shinichi Yaoi

IPC分类号： G03G9097

CPC分类号： G03G9/0916 ,  G03G9/09741 ,  G03G9/0975

摘要： The present invention discloses a flash fixing color toner for use in an image forming process, which comprises a binder resin, a coloring agent, and an infrared absorbent, wherein negative ions form part of the infrared absorbent, and the negative ions include toluenesulfonic acid ion (C6H4(CH3)SO3−), nitric acid ion (NO3−) or hexafluorophosphoric acid ion (PF6−). Further, the present invention discloses an image forming process, which is characterized by using the flash fixing color toner.

公开(公告)号：US5635323A

公开(公告)日：1997-06-03

申请号：US460145

申请日：1995-06-02

申请人： Yasushige Nakamura ,  Norio Sawatari ,  Tsuneo Watanuki ,  Fumio Takei ,  Toru Takahashi ,  Yasuyuki Furuse

发明人： Yasushige Nakamura ,  Norio Sawatari ,  Tsuneo Watanuki ,  Fumio Takei ,  Toru Takahashi ,  Yasuyuki Furuse

IPC分类号： G03G9/087 ,  G03G9/08 ,  G03G9/10 ,  G03G9/107 ,  G03G15/05 ,  G03G15/24 ,  G03G15/34 ,  G03G13/22

CPC分类号： G03G9/0823 ,  G03G15/344 ,  G03G9/081 ,  G03G9/0819 ,  G03G9/0821 ,  G03G9/10 ,  G03G9/107

摘要： A toner used meets the requirement that the value determined by the equation 6/(d.sub.t .multidot..rho..sub.t .multidot.S), wherein d.sub.t is the volume average particle diameter of the toner, .rho..sub.t is the density of the toner, and Fs is the specific surface area of the toner, is in the range of 0.75 to 0.90, and the amount of electrification as measured by a magnet blow-off method is in the range of 10 to 40 .mu.C/g in terms of absolute value. A carrier used meets the requirement that the magnetic susceptibility is not less than 90 emu/g (at 1 kOe), the specific surface area is not less than 1000 cm.sup.2 /g to 1800 cm.sup.2 /g, the electric resistivity is 10.sup.6 to 10.sup.12 .OMEGA.cm, and the average particle diameter is 20 to 100 .mu.m.

摘要翻译： 使用的调色剂满足由式6 /（dtx rho txS）确定的值，其中dt是调色剂的体积平均粒径，rho是调色剂的密度，Fs是比表面积 调色剂在0.75〜0.90的范围内，通过磁铁吹出法测定的带电量为绝对值的10〜40μC/ g。 使用的载体满足磁化率不小于90emu / g（1kOe）的要求，比表面积不小于1000cm 2 / g至1800cm2 / g，电阻率为106至1012ΩEGEGA cm，平均粒径为20〜100μm。

公开(公告)号：US08709695B2

公开(公告)日：2014-04-29

申请号：US13554543

申请日：2012-07-20

申请人： Yasushige Nakamura

发明人： Yasushige Nakamura

IPC分类号： G03G9/00

CPC分类号： G03G9/1075 ,  G03G9/1134 ,  G03G9/1139

摘要： A carrier for developing an electrostatic charge image includes a core containing a magnetic material and a coating layer, in which the coating layer includes porous carbon having a volume average particle size of from 0.5 μm to 2 μm and a BET specific surface area of from 1 m2/g to 5 m2/g, and a resin.

摘要翻译： 用于显影静电荷图像的载体包括含有磁性材料和涂层的芯，其中涂层包括体积平均粒径为0.5μm至2μm的多孔碳和BET比表面积为1 m 2 / g至5m 2 / g，和树脂。

公开(公告)号：US08435708B2

公开(公告)日：2013-05-07

申请号：US12914404

申请日：2010-10-28

申请人： Yasushige Nakamura ,  Shinichi Yaoi

发明人： Yasushige Nakamura ,  Shinichi Yaoi

IPC分类号： G03G9/00

CPC分类号： G03G9/092 ,  G03G9/0922 ,  G03G9/0924

摘要： A magenta toner contains a binder resin; at least one selected from a diimonium compound represented by the following general formula (1) and an aminium compound represented by the following general formula (2); and a monomethylquinacridone: where in the general formulae (1) and (2), Rl, R2, R3, R4, R5, R6, R7 and R8 each independently represent a hydrogen atom, an unsubstituted or substituted and linear alkyl group, an unsubstituted or substituted and branched alkyl group, an unsubstituted or substituted and cyclic alkyl group, an unsubstituted or substituted and linear alkenyl group, an unsubstituted or substituted and branched alkenyl group, an unsubstituted or substituted and cyclic alkenyl group, or an unsubstituted or substituted aralkyl group; and X−represents an anion.

摘要翻译： 品红色调色剂含有粘合剂树脂; 选自由以下通式（1）表示的二亚铵化合物和由以下通式（2）表示的铵化合物中的至少一种; 和单甲基喹吖啶酮：其中在通式（1）和（2）中，R 1，R 2，R 3，R 4，R 5，R 6，R 7和R 8各自独立地表示氢原子，未取代或取代和直链烷基， 未取代或取代的和环状的烷基，未取代或取代的和直链的烯基，未取代或取代的和支链的烯基，未取代或取代的和环状的烯基，或未取代或取代的芳烷基 ; 并且X代表阴离子。

公开(公告)号：US08097389B2

公开(公告)日：2012-01-17

申请号：US12172768

申请日：2008-07-14

申请人： Yasushige Nakamura

发明人： Yasushige Nakamura

IPC分类号： G03G9/09

CPC分类号： G03G15/201 ,  G03G9/0906 ,  G03G9/0912 ,  G03G9/0924 ,  G03G9/0926 ,  G03G9/0928

摘要： The invention provides a color toner for flash fusing containing at least: a binder resin, a colorant, a leuco dye, a developer and a decolorizer. An absorbance of the color toner after photoirradiation at a wavelength of about 900 nm is smaller than an absorbance of the color toner before the photoirradiation at the wavelength of about 900 nm. The invention further provides a method for producing the color toner, a electrostatic image developer comprising the color toner, a process cartridge comprising a developer bearing body which accommodates the electrostatic image developer, and an image forming apparatus to form a toner image by the electrostatic image developer.

摘要翻译： 本发明提供了至少含有粘合剂树脂，着色剂，无色染料，显影剂和消色剂的闪光熔合的彩色调色剂。 在大约900nm的波长下光照射后的彩色调色剂的吸光度小于在约900nm波长的光照射之前的彩色调色剂的吸光度。 本发明还提供了一种彩色调色剂的制造方法，包括彩色调色剂的静电图像显影剂，包括容纳静电图像显影剂的显影剂承载体的处理盒，以及通过静电图像形成调色剂图像的图像形成装置 开发者