公开(公告)号：US07288351B2

公开(公告)日：2007-10-30

申请号：US10793736

申请日：2004-03-08

Applicant: Hidekazu Yaguchi ,  Yasuo Matsumura ,  Kazuhiko Yanagida ,  Manabu Serizawa ,  Tsutomu Kubo ,  Shigeru Seitoku

Inventor： Hidekazu Yaguchi ,  Yasuo Matsumura ,  Kazuhiko Yanagida ,  Manabu Serizawa ,  Tsutomu Kubo ,  Shigeru Seitoku

IPC: G03G9/09

CPC classification number: G03G9/09 ,  G03G9/0804 ,  G03G9/0819 ,  G03G9/0906 ,  G03G9/091 ,  G03G9/092 ,  G03G9/0926

Abstract: A magenta toner for developing electrostatic images provided which contains a binder resin and a colorant, wherein the colorant includes a mixed crystal of two or more colorants and when a solid patch is fixed on art paper complying with the ISO standard by using this toner, a resulting fixed image color satisfies at least one of the following formulae (b*) −7.94(a*)+591.85. The color difference ΔE between the color of the fixed image and the color characterized by L*: 46.6, a*: 75.1 and b*: −4.4 is preferably less than 6. The colorant is preferably a mixed crystal of a quinacridone colorant and a monoazo colorant. Moreover, the invention provides a method for producing the magenta toner, a developer containing the magenta toner, and an image-forming method using the magenta toner.

Abstract translation: 用于显影静电图像的品红色调色剂包含粘合剂树脂和着色剂，其中着色剂包括两种或更多种着色剂的混合晶体，并且当通过使用该调色剂将固体贴片固定在符合ISO标准的工艺纸上时， 得到的固定图像颜色满足以下公式（b *）<0.85（a *）-67.92中的至少一个; 和（b *）> - 7.94（a *）+ 591.85。 固定图像的颜色与以L *：46.6，a *：75.1和b *：-4.4为特征的颜色之间的色差ΔE优选小于6.着色剂优选为喹吖啶酮着色剂和 单偶氮染料。 此外，本发明提供了生产品红色调色剂的方法，含有品红色调色剂的显影剂和使用品红色调色剂的图像形成方法。

公开(公告)号：US07094508B2

公开(公告)日：2006-08-22

申请号：US11067900

申请日：2005-03-01

Applicant: Masahiro Takagi ,  Kazuhiko Yanagida

Inventor： Masahiro Takagi ,  Kazuhiko Yanagida

IPC: G03G15/01

CPC classification number: G03G9/0926 ,  G03G9/0902

Abstract: An image formation method including forming at least one invisible image selected from invisible images formed when (a) forming only an invisible image on the surface of an image output medium, (b) forming an invisible image and a visible image by laminating these images one by one on the surface of the medium and (c) forming an invisible image and a visible image separately in different regions on the surface of the medium, in which at least one of the images (a), (b) and (c) is composed of a two-dimensional pattern, and in which the invisible image is formed using a toner that includes at least a binder resin and a near-infrared light absorbing material of inorganic material particles in which the rate of absorption in the visible region of the toner is 15% or less and the average dispersion diameter of the absorbing material is 50–800 nm.

Abstract translation: 一种图像形成方法，包括形成从（a）仅在图像输出介质的表面上仅形成不可见图像而形成的不可见图像中选择的至少一个不可见图像，（b）通过层叠这些图像形成不可见图像和可见图像 （c）在介质表面上的不同区域中分别形成不可见图像和可见图像，其中至少一个图像（a），（b）和（c） 由二维图案构成，其中使用至少包括粘合剂树脂和无机材料颗粒的近红外光吸收材料的调色剂形成不可见图像，其中可见光区域中的吸收速率 调色剂为15％以下，吸收材料的平均分散直径为50〜800nm。

公开(公告)号：US07001701B2

公开(公告)日：2006-02-21

申请号：US10972484

申请日：2004-10-26

Applicant: Takahisa Fujii ,  Yasuo Matsumura ,  Kazuhiko Yanagida ,  Manabu Serizawa ,  Hidekazu Yaguchi ,  Masaki Nakamura ,  Daisuke Ishizuka

Inventor： Takahisa Fujii ,  Yasuo Matsumura ,  Kazuhiko Yanagida ,  Manabu Serizawa ,  Hidekazu Yaguchi ,  Masaki Nakamura ,  Daisuke Ishizuka

IPC: G03G9/08

CPC classification number: G03G5/0517 ,  G03G9/0821 ,  G03G9/08795

Abstract: The present invention discloses a color toner providing highly gloss image and documents with excellent long term storability; an electrostatic latent image developer; and an image forming method. Disclosed is a color toner comprising a binder resin and colorant, wherein the weight average molecular weight of the binder resin is from 6000 to 45000, the toner's glass transition temperature (Tg) is from 40 to 70° C., the loss tangent tan δ of dynamic viscoelasticity is from 0.1 to 2.5 in the temperature of from the toner's glass transition temperature (Tg) to the temperature at which the loss modulus (G″) is 1×105 Pa, and the toner comprises 3 to 20% by mass of an ester derivative of an alicyclic compound having 1 or more carboxyl groups, and an electrostatic latent image developer and an image forming method, which use the color toner.

Abstract translation: 本发明公开了一种提供高光泽图像的彩色调色剂和具有优异的长期保存性的文件; 静电潜像显影剂; 和图像形成方法。 公开了包含粘合剂树脂和着色剂的彩色调色剂，其中粘合剂树脂的重均分子量为6000至45000，调色剂的玻璃化转变温度（Tg）为40-70℃，损耗角正切tanδ 在从调色剂的玻璃化转变温度（Tg）到损耗模量（G“）为1×10 5 Pa的温度的温度下，动态粘弹性为0.1至2.5，并且调色剂包含 具有1个以上羧基的脂环族化合物的酯衍生物，3〜20质量％的静电潜像显影剂和图像形成方法。

公开(公告)号：US06893788B2

公开(公告)日：2005-05-17

申请号：US10321467

申请日：2002-12-18

Applicant: Masahiro Takagi ,  Kazuhiko Yanagida

Inventor： Masahiro Takagi ,  Kazuhiko Yanagida

IPC: G03G9/08 ,  G03G9/087 ,  G03G9/09 ,  G03G15/00 ,  G03G15/01 ,  G03G21/00

CPC classification number: G03G9/0926 ,  G03G9/0902

Abstract: The present invention provides an electrophotographic toner comprising at least a binder resin and a near-infrared light absorbing material containing inorganic material particles, wherein the rate of absorption in the visible region of the electrophotographic toner is 15% or less and the average dispersion diameter of the near-infrared light absorbing material is in a range from 50 nm to 800 nm. The invention also provides an electrophotographic developer comprising the above photographic toner and a carrier. Further, the invention provides an image forming method using the above electrophotographic toner.

Abstract translation: 本发明提供一种电子照相调色剂，其至少含有粘合剂树脂和含有无机材料颗粒的近红外光吸收材料，其中电子照相调色剂的可见区域的吸收速率为15％以下，平均色散直径为 近红外光吸收材料在50nm至800nm的范围内。 本发明还提供了包含上述照相调色剂和载体的电子照相显影剂。 此外，本发明提供使用上述电子照相调色剂的图像形成方法。

公开(公告)号：US20050089788A1

公开(公告)日：2005-04-28

申请号：US10976819

申请日：2004-11-01

Applicant: Katsumi Nukada ,  Kazuhiro Koseki ,  Wataru Yamada ,  Takayuki Yamashita ,  Masahiro Iwasaki ,  Takahiro Suzuki ,  Kiyoshi Chatani ,  Yoshinari Ueno ,  Hidekazu Yaguchi ,  Kazuhiko Yanagida

Inventor： Katsumi Nukada ,  Kazuhiro Koseki ,  Wataru Yamada ,  Takayuki Yamashita ,  Masahiro Iwasaki ,  Takahiro Suzuki ,  Kiyoshi Chatani ,  Yoshinari Ueno ,  Hidekazu Yaguchi ,  Kazuhiko Yanagida

IPC: G03G9/08 ,  G03G5/06 ,  G03G5/147 ,  G03G21/00 ,  G03G21/10

CPC classification number: G03G21/0035

Abstract: An image forming apparatus is capable of performing image formation at a processing speed of not lower than 150 mm/s. An electrophotographic photoreceptor comprises a surface layer containing a siloxane-bases resin having charge-transporting properties and a crosslinked structure. A cleaning device comprises a brush member disposed such that the leading end of said brush comes in contact with said electrophotographic photoreceptor. The product (Rz×We) of the surface roughness (Rz [μm]) of said electrophotographic photoreceptor after 200,000 rotations thereof and the wear rate of said electrophotographic photoreceptor per 1,000 rotations (We [nm]) is not greater than 20.

Abstract translation: 图像形成装置能够以不低于150mm / s的处理速度进行图像形成。 电子照相感光体包括含有具有电荷传输性能和交联结构的硅氧烷基树脂的表面层。 清洁装置包括刷构件，其布置成使得所述刷子的前端与所述电子照相感光体接触。 所述电子照相感光体在其20万旋转后的表面粗糙度（R z z max）的产物（R z z x e e e）和 所述电子照相感光体每1000转（W e e [nm]）的磨损率不大于20。

公开(公告)号：US6124066A

公开(公告)日：2000-09-26

申请号：US993666

申请日：1997-12-18

Applicant: Suk Kim ,  Yasuo Yamamoto ,  Kazuhiko Yanagida

Inventor： Suk Kim ,  Yasuo Yamamoto ,  Kazuhiko Yanagida

IPC: G03G9/107 ,  G03G9/113 ,  G03G15/06 ,  G03G15/08 ,  G03G15/09

CPC classification number: G03G9/1139 ,  G03G9/113

Abstract: A carrier for electrophotography having a resin coating layer containing a conductive powder having an aspect ratio of not less than 3 on the core material, in which the dynamic electric resistance of the core material in a magnetic brush state under an electric field of 10.sup.4 V/cm is not higher than 1 .OMEGA..cm, and the electric resistance of the resin coating layer is within a range of from 10 to 1.times.10.sup.8 .OMEGA..cm, and a developer for an electrostatic latent image using the carrier. An image forming method on which the developing process includes using the above-mentioned developer for an electrostatic latent image, whose development curve, expressed by a contrast potential and the developing toner quantity, has a saturation area, and applying the developing bias to the developer carrying member so that the developing toner quantity shows the saturation characteristic.

Abstract translation: 一种电子照相用载体，其具有在核心材料上含有长径比不小于3的导电粉末的树脂被覆层，其中在107V电场的磁刷状态下的芯材的动态电阻为 cm以上，并且树脂被覆层的电阻在10〜1×10 8Ω·cm -3的范围内，以及使用载体的静电潜像用显影剂。 一种图像形成方法，其显影过程包括使用上述用于静电潜像的显影剂，其显影曲线由对比度电位和显影调色剂量表示，具有饱和区域，并将显影偏压施加到显影剂 显影调色剂量显示饱和特性。

公开(公告)号：US20120040284A1

公开(公告)日：2012-02-16

申请号：US13032083

申请日：2011-02-22

Applicant: Satoshi HIRAOKA ,  Sumiaki YAMASAKI ,  Susumu YOSHINO ,  Shigeru SEITOKU ,  Hirofumi SHIOZAKI ,  Kazuhiko YANAGIDA

Inventor： Satoshi HIRAOKA ,  Sumiaki YAMASAKI ,  Susumu YOSHINO ,  Shigeru SEITOKU ,  Hirofumi SHIOZAKI ,  Kazuhiko YANAGIDA

IPC: G03G9/00 ,  G03G15/08 ,  G03G9/087 ,  G03G21/18

CPC classification number: G03G15/08 ,  G03G9/0819 ,  G03G9/08711 ,  G03G9/08728 ,  G03G9/08793 ,  G03G9/08797 ,  G03G2215/0602

Abstract: An electrostatic image developing toner that includes a toner particle including a binder resin containing a resin selected from an acrylic resin, a styrene-acrylic resin, and a styrene-(meth)acrylic acid ester copolymer. The resin has a crosslinked structure formed by using at least one of boric acid and boric acid derivatives.

Abstract translation: 一种静电图像显影调色剂，其包括含有选自丙烯酸树脂，苯乙烯 - 丙烯酸树脂和苯乙烯 - （甲基）丙烯酸酯共聚物的树脂的粘合剂树脂的调色剂颗粒。 树脂具有通过使用硼酸和硼酸衍生物中的至少一种形成的交联结构。

公开(公告)号：US20080131806A1

公开(公告)日：2008-06-05

申请号：US11785526

申请日：2007-04-18

Applicant: Hideo Maehata ,  Yukihiro Ishii ,  Masaaki Suwabe ,  Tsutomu Kubo ,  Makiko Nakano ,  Kazuhiko Yanagida ,  Yasuo Matsumura

Inventor： Hideo Maehata ,  Yukihiro Ishii ,  Masaaki Suwabe ,  Tsutomu Kubo ,  Makiko Nakano ,  Kazuhiko Yanagida ,  Yasuo Matsumura

IPC: G03G9/08

CPC classification number: G03G9/08795 ,  G03G9/0806 ,  G03G9/0812 ,  G03G9/0821 ,  G03G9/08711 ,  G03G9/08782

Abstract: An electrostatic latent image developing toner is provided for which if surface area values for 1-butanol, ethylbenzene, n-butyl ether, styrene, butyl propionate, cumene, benzaldehyde and propylbenzene obtained from gas chromatographic analysis of volatile gas components generated upon heating the toner are termed, a, b, c, d, e, f, g and h respectively, then Z1 and Z2 satisfy the formulas shown below. Z1=5.2×10−6a+9.6×10−7b+2.7×10−6c−2.5×10−6d+8.7×10−6e+1.5×10−7f+1.1×10−6g+8.3×10−7h−1.81 Z2=6.9×10−6a+4.6×10−6b−3.9×10−7c+2.5×10−6d−2.1×10−5e+2.3×10−7f−6.8×10−7g+1.2×10−6h−1.82 Z1≦0, and Z2≦0.9   (Formula 1)

Abstract translation: 提供静电潜像显影调色剂，如果通过对加热调色剂产生的挥发性气体组分的气相色谱分析获得的1-丁醇，乙苯，正丁醚，苯乙烯，丙酸丁酯，异丙基苯，苯甲醛和丙苯的表面积值 分别称为a，b，c，d，e，f，g和h，则Z1和Z2满足下列公式。 <？in-line-formula description =“在线公式”end =“lead”？> Z 1 = 5.2×10 -6 a + 9.6×10 -7 b + 2.7 x10-6-c-2.5×10 -6 d + 8.7×10 -6 e + 1.5×10 -7 f + 1.1×10 -6 h-1.81 <？in-line-formula description =“In-line Formulas”end =“tail”？> <？in line-formula description =“In-line Formulas”end =“lead”？> Z 2 = 6.9×10 -6 a + 4.6×10 -6 b -3.9×10 6 > -7℃+ 2.5×10 -6 -6 -2 -6×10 -5 e + 2.3×10 -7〜f×10 -6×10 -6 > -7 g + 1.2×10 -6 h-1.82 <？in-line-formula description =“In-line Formulas”end =“tail”？> <？in-line- 公式描述=“内联公式”end =“lead”？> Z 1 <= 0，Z 2 <= 0.9（公式1）<？in-line-formula description =“In-line Formulas”end =“ 尾巴“？>

公开(公告)号：US06942953B2

公开(公告)日：2005-09-13

申请号：US10736609

申请日：2003-12-17

Applicant: Manabu Serizawa ,  Hidekazu Yaguchi ,  Tsutomu Kubo ,  Hiroyuki Tanaka ,  Shigeru Seitoku ,  Kazuhiko Yanagida ,  Yasuo Matsumura ,  Shuji Sato

Inventor： Manabu Serizawa ,  Hidekazu Yaguchi ,  Tsutomu Kubo ,  Hiroyuki Tanaka ,  Shigeru Seitoku ,  Kazuhiko Yanagida ,  Yasuo Matsumura ,  Shuji Sato

IPC: G03G9/08 ,  G03G9/087 ,  G03G15/20 ,  G03G13/20

CPC classification number: G03G15/2057

Abstract: The present invention provides an image forming method comprising the steps of forming an electrostatic latent image on a surface of an electrostatic latent image bearing body, forming a toner image by developing the electrostatic latent image by using a toner, transferring the toner image to the surface of a recording medium, and fusing the transferred toner image on the surface of the recording medium by bringing the toner image into contact with a heating medium, which has a resin coating layer formed on the surface thereof, and thereby melting the toner image. The toner contains a binder resin containing monomers having vinyl double bonds. A storage elasticity of the toner at 180° C. is in a range of 1×103 to 8×103 Pa and a contact angle of the surface of the heating medium to water at 25° C. is in a range of 50 to 100°.

Abstract translation: 本发明提供一种图像形成方法，包括以下步骤：在静电潜像承载体的表面上形成静电潜像，通过使用调色剂显影静电潜像形成调色剂图像，将调色剂图像转印到表面 并且通过使调色剂图像与在其表面上形成有树脂涂层的加热介质接触从而使转印的调色剂图像在记录介质的表面上熔融，从而熔化调色剂图像，来将转印的调色剂图像定影。 调色剂含有含有具有乙烯基双键的单体的粘合剂树脂。 调色剂在180℃下的储存弹性在1×10 3至8×10 3 Pa的范围内，加热介质表面与水的接触角在 25℃在50至100°的范围内。

公开(公告)号：US06846603B2

公开(公告)日：2005-01-25

申请号：US10372246

申请日：2003-02-25

Applicant: Takahisa Fujii ,  Yasuo Matsumura ,  Kazuhiko Yanagida ,  Manabu Serizawa ,  Hidekazu Yaguchi ,  Masaki Nakamura ,  Daisuke Ishizuka

Inventor： Takahisa Fujii ,  Yasuo Matsumura ,  Kazuhiko Yanagida ,  Manabu Serizawa ,  Hidekazu Yaguchi ,  Masaki Nakamura ,  Daisuke Ishizuka

IPC: G03G5/05 ,  G03G9/08 ,  G03G9/087 ,  G03G9/09 ,  G03G9/113

CPC classification number: G03G5/0517 ,  G03G9/0821 ,  G03G9/08795

Abstract: The present invention discloses a color toner providing highly gloss image and documents with excellent long term storability; an electrostatic latent image developer; and an image forming method. Disclosed is a color toner comprising a binder resin and colorant, wherein the weight average molecular weight of the binder resin is from 6000 to 45000, the toner's glass transition temperature (Tg) is from 40 to 70° C., the loss tangent tan δ of dynamic viscoelasticity is from 0.1 to 2.5 in the temperature of from the toner's glass transition temperature (Tg) to the temperature at which the loss modulus (G″) is 1×105 Pa, and the toner comprises 3 to 20% by mass of an ester derivative of an alicyclic compound having 1 or more carboxyl groups, and an electrostatic latent image developer and an image forming method, which use the color toner.

Abstract translation: 本发明公开了一种提供高光泽图像的彩色调色剂和具有优异的长期保存性的文件; 静电潜像显影剂; 和图像形成方法。 公开了包含粘合剂树脂和着色剂的彩色调色剂，其中粘合剂树脂的重均分子量为6000至45000，调色剂的玻璃化转变温度（Tg）为40至70℃，损耗角正切tanδ 动态粘弹性在从调色剂的玻璃化转变温度（Tg）到损耗模量（G“）为1×10 5 Pa的温度的温度下为0.1至2.5，并且调色剂包含3至20％的 具有1个以上羧基的脂环族化合物的酯衍生物的质量，以及使用该彩色调色剂的静电潜像显影剂和图像形成方法。