会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 2. 发明专利
    • Yellow toner
    • 黄色墨粉
    • JP2013228497A
    • 2013-11-07
    • JP2012099386
    • 2012-04-25
    • Canon Incキヤノン株式会社
    • SHIOASHI YOSHIAKIFUKUTOME KOSUKEKOMATSU NOZOMINAKAMURA KUNIHIKOARII RYOTAKANEKO HIDEKIFUJIKAWA HIROYUKI
    • G03G9/09G03G9/08G03G9/087
    • PROBLEM TO BE SOLVED: To provide a toner which is excellent in coloring power and color stability and has a wide color reproduction range.SOLUTION: There is provided a yellow toner having toner particles containing at least a binder resin, a yellow colorant and a hydrocarbon-based wax, and inorganic fine particles, wherein the binder resin contains a polyester-based resin, and the yellow colorant contains at least an isoindoline pigment (colorant A) and C.I.Solvent Yellow 162 (hereinafter referred to as S.Y.162). Assuming that the content of the colorant A is defined as X pts.wt. based on 100 pts.wt. of the binder resin and the content of the S.Y.162 is defined as Y pts.wt., X+Y is 3 pts.wt. or more and 20 pts.wt. or less and Y/(X+Y) is 0.05 or more and 0.50 or less. The toner particles further contain a polymer having a structure formed by reacting a vinyl-based resin component having a nitrile group with a hydrocarbon compound.
    • 要解决的问题:提供着色力和颜色稳定性优异并且具有宽的色彩再现范围的调色剂。溶液:提供具有至少含有粘合剂树脂,黄色着色剂和烃的调色剂颗粒的黄色调色剂 的蜡和无机细颗粒,其中粘合剂树脂含有聚酯类树脂,黄色着色剂至少含有异吲哚啉颜料(着色剂A)和CISolvent Yellow 162(以下称为SY162)。 假设着色剂A的含量定义为X重量份 基于100重量 的粘合剂树脂,S.Y.162的含量定义为Y重量,X + Y为3重量份。 或更多和20重量 以下,Y /(X + Y)为0.05以上且0.50以下。 调色剂颗粒还含有具有由具有腈基的乙烯基类树脂成分与烃化合物反应形成的结构的聚合物。
    • 4. 发明专利
    • toner
    • 碳粉
    • JP2012128176A
    • 2012-07-05
    • JP2010279408
    • 2010-12-15
    • Canon Incキヤノン株式会社
    • KOMATSU NOZOMIFUKUTOME KOSUKESHIOASHI YOSHIAKINAKAMURA KUNIHIKOFUJIKAWA HIROYUKIITAKURA TAKAYUKI
    • G03G9/08G03G9/087
    • PROBLEM TO BE SOLVED: To provide a toner having durable stability that can maintain high transfer property and high developing property for a long period of time, and capable of outputting an image with superior folding durability.SOLUTION: The toner comprises toner particles containing at least a binder resin, a colorant and wax, and silica particles, in which the silica particles have a number average particle diameter (D1) of 0.06 μm or more and 0.20 μm or less, a compression degree Cs of 15.0% or more and 40.0% or less, and an uneven distribution degree of the wax in a depth direction of the toner is controlled to a specified range.
    • 要解决的问题:提供具有耐久稳定性的调色剂,其可以长时间保持高转印性和高显影性,并且能够输出具有优异折叠耐久性的图像。 调色剂包括至少含有粘合剂树脂,着色剂和蜡的调色剂颗粒和二氧化硅颗粒,其中二氧化硅颗粒的数均粒径(D1)为0.06μm以上至0.20μm以下 ,压缩度Cs为15.0%以上且40.0%以下,并且将蜡在调色剂的深度方向上的不均匀分布度控制在规定范围内。 版权所有(C)2012,JPO&INPIT
    • 5. 发明专利
    • Toner, and two-component developer
    • TONER和两个组件开发商
    • JP2009294374A
    • 2009-12-17
    • JP2008146994
    • 2008-06-04
    • Canon Incキヤノン株式会社
    • NAKAMURA KUNIHIKOFUJIKAWA HIROYUKIKOMATSU NOZOMISHIOASHI YOSHIAKIOTSU TAKESHIITAKURA TAKAYUKI
    • G03G9/08
    • PROBLEM TO BE SOLVED: To provide a toner and a two-component developer which have high transferring performance and excellent retransfer performance wherein scattering is prevented at transfer in a secondary color, and the lowering of image density caused by the deterioration of the electrostatic charging performance of the toner is alleviated. SOLUTION: The toner comprises: toner particles each containing at least a binder resin, a colorant and wax; and an external additive. When dispersion where the toner is dispersed is irradiated with an ultrasonic wave at a frequency of 20 kHz in 50 W/10 cm 3 , the measured value C1 of the particles of 0.50 to 2.00 μm measured by a flow particle image measuring apparatus having an image-processing resolution of 512×512 pixels (0.37 μm×0.37 μm per a pixel), is ≤40.0% by number. A surface tension index of the toner for a 45 vol% aqueous solution of methanol measured by a capillary suction time method is 5.0×10 -3 to 1.0×10 -1 N/m. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种具有高转印性能和优异的再转印性能的调色剂和双组分显影剂,其中在二次色调转印时防止散射,并且由于颜色变劣引起的图像浓度降低 调色剂的静电充电性能得到缓解。 调色剂包括:各自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。 当以50W / 10cm×SP> 3的频率以20kHz的频率照射分散有调色剂的分散体时,通过流动测定的0.50〜2.00μm的粒子的测定值C1 具有512×512像素(0.37μm×0.37μm每像素)的图像处理分辨率的颗粒图像测量装置的数量≤40.0%。 通过毛细管抽吸时间法测定的45体积%甲醇水溶液的调色剂的表面张力指数为5.0×10 -3 至1.0×10 -1 / m。 版权所有(C)2010,JPO&INPIT
    • 7. 发明专利
    • Two-component developer and replenishment developer
    • 两部分发展商和代理发展商
    • JP2009020145A
    • 2009-01-29
    • JP2007180601
    • 2007-07-10
    • Canon Incキヤノン株式会社
    • KOMATSU NOZOMINAKAMURA KUNIHIKOFUJIKAWA HIROYUKIBABA YOSHINOBUITAKURA TAKAYUKI
    • G03G9/107G03G9/113
    • PROBLEM TO BE SOLVED: To provide a two-component developer having superior environmental stability, generating neither carrier adhesion nor photographic fog to an electrostatic charge latent image support, having a superior dot reproducibility, providing high-definition images without uneven concentration and having a high durable property.
      SOLUTION: This two-component developer contains at least a carrier and a toner, wherein the carrier contains resin-containing ferrite particles containing resin in the holes of porous ferrite core particles, and is characterized in that the porous ferrite core particles have Li
      2 O of 10-40 mol% relative to the total mol number of the containing metal oxide, an average ferrite diameter of the holes in the cross section of the porous ferrite core particles is 0.5-5.0 μm, the 10 or more holes are provided per 10 μm×10 μm, and the toner surface tension index in 45 vol.% methanol solution measured by a capillary suction time method of the toner is 3.0×10
      -3 -1.0×10
      -1 N/m.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了提供具有优异的环境稳定性的双组分显影剂,既不会对静电荷潜影载体产生载体粘附也不产生摄影雾,具有优异的点再现性,提供不分散浓度的高清晰度图像, 具有高耐用性。 解决方案:该双组分显影剂至少含有载体和调色剂,其中载体在多孔铁氧体磁心颗粒的孔中含有含有树脂的含有树脂的铁氧体颗粒,其特征在于多孔铁氧体磁芯颗粒具有 相对于含有金属氧化物的总摩尔数为10〜40摩尔%的Li 2 O,多孔铁氧体磁心粒子的截面的孔的平均铁素体直径为0.5〜5.0μm ,每10μm×10μm设置10个以上的孔,通过调色剂的毛细管抽吸时间法测定的45体积%甲醇溶液中的调色剂表面张力指数为3.0×10 -3 -1.0×10 -1 N / m。 版权所有(C)2009,JPO&INPIT
    • 8. 发明专利
    • Image forming method
    • 图像形成方法
    • JP2006330425A
    • 2006-12-07
    • JP2005155078
    • 2005-05-27
    • Canon Incキヤノン株式会社
    • FUJIKAWA HIROYUKISUGAWARA NOBUYOSHINAKAMURA KUNIHIKOITAKURA TAKAYUKIIIDA HAGUMUIKEDA NAOTAKANAKADA KOICHI
    • G03G5/147G03G5/047G03G5/10G03G9/08
    • PROBLEM TO BE SOLVED: To provide higher durability by forming the surface on the extreme surface layer of an electrophotographic photoreceptor to an optimum surface shape. SOLUTION: The image forming method comprises forming an electrostatic latent image on a cylindrical electrophotographic photoreceptor having a cylindrical support and an organic photoreceptor layer and developing a toner on the photoreceptor, in which the cylindrical electrophotographic photoreceptor has the extreme surface layer constituting the outermost surface; the surface of the extreme surface layer of the cylindrical electrophotographic photoreceptor has a plurality of dimple-shaped recessed parts; the toner has at least a binder resin, a colorant and a wax; the weight average grain size (D4) of the toner is 3.0 to 8.0 μm: and the toner is 30 to 80% in the transmittance at a wavelength of 600 nm in a dispersion liquid prepared by dispersing the toner into an aqueous solution of 45vol% methanol. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:通过将电子照相感光体的表面层上的表面形成为最佳表面形状来提供更高的耐久性。 解决方案:图像形成方法包括在具有圆柱形支撑体和有机感光体层的圆柱形电子照相感光体上形成静电潜像并在感光体上显影调色剂,其中圆柱形电子照相感光体具有构成 最外表面 圆筒状电子照相感光体的表面层的表面具有多个凹坑状的凹部; 调色剂至少具有粘合剂树脂,着色剂和蜡; 在通过将调色剂分散到45体积%的水溶液中制备的分散液中,调色剂的重均粒径(D4)为3.0〜8.0μm,在波长600nm下的透光率为30〜80% 甲醇。 版权所有(C)2007,JPO&INPIT
    • 9. 发明专利
    • Toner and two-component developer
    • 调色剂和双组分开发商
    • JP2006308642A
    • 2006-11-09
    • JP2005127597
    • 2005-04-26
    • Canon Incキヤノン株式会社
    • IIDA HAGUMUIKEDA NAOTAKAOKADO KENJIFUJIKAWA HIROYUKISUGAWARA NOBUYOSHINAKAMURA KUNIHIKO
    • G03G9/08G03G9/107G03G9/113
    • PROBLEM TO BE SOLVED: To bring out the potential of a toner to the maximum extent possible, and to provide a toner excellent in developing performance, transferability and fixing property, nearly independent of the environment, and having good durability and stability. SOLUTION: The toner has toner particles containing at least a binder resin and a colorant and inorganic fine particles, wherein the inorganic fine particles are fine particles formed by a sol-gel process and have an M HH to M NL ratio of 1.0-2.0, wherein M HH represents a moisture content of the inorganic fine particles after allowed to stand in a high temperature and high humidity environment; after allowed to stand in a 30°C/80% environment for 72 h, and M NL represents a moisture content of the inorganic fine particles after allowed to stand in a normal temperature and low humidity environment; after allowed to stand in a 23°C/5% environment for 72 h, the moisture content M NL after allowed to stand in the normal temperature and low humidity environment is 0.1 to COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了最大限度地发挥调色剂的潜力,并且提供几乎不依赖于环境的显影性能,转印性和定影性优异的调色剂,并且具有良好的耐久性和稳定性。 调色剂具有至少含有粘合剂树脂和着色剂和无机细颗粒的调色剂颗粒,其中无机细颗粒是通过溶胶 - 凝胶法形成的具有M HH HH 表示在高温高湿环境下放置后的无机细颗粒的水分含量; 在30℃/ 80%环境下放置72小时后,在常温常湿环境下放置后的无机细颗粒的水分含量为<! - SIPO NL 为0.1〜3.0%, 无机细颗粒的平均粒径为80-200nm。 版权所有(C)2007,JPO&INPIT
    • 10. 发明专利
    • Developing method and developing device using the same
    • 使用该方法的开发方法和开发设备
    • JP2005338810A
    • 2005-12-08
    • JP2005128939
    • 2005-04-27
    • Canon Incキヤノン株式会社
    • OKAMOTO NAOKIFUJIKAWA HIROYUKIISHIGAMI HISASHISUGAWARA NOBUYOSHIBABA YOSHINOBUITAKURA TAKAYUKI
    • G03G9/10G03G9/08G03G9/107G03G9/113G03G15/08
    • PROBLEM TO BE SOLVED: To provide a developing method with which coat defects such as streaks and unevenness are not caused to a developer layer on a developing sleeve and accumulation of external additives on a carrier surface and toner spent are suppressed, in a multistage developing system using a two-component developer. SOLUTION: The developing method uses a developing device including at least: a first developer carrier arranged to be opposed to an image carrier; and a second developer carrier arranged on a downstream side of a rotation direction of the image carrier with respect to the first developer carrier, wherein a latent image formed on the image carrier is developed with a developer. The developer is a two-component developer having toner and a magnetic carrier; and the developer has a degree of compression C in the range of 20-32% and a shearing stress obtained by shearing stress measurement under a consolidation load of 4.0×10 -4 N/mm 2 in the range of 0.5×10 -4 to 2.5×10 -4 N/mm 2 . COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了提供一种显影方法,其中不会对显影套筒上的显影剂层产生诸如条纹和不均匀性的涂层缺陷,并且抑制了载体表面上的外部添加剂的积聚和消耗的墨粉,在 使用双组分显影剂的多级显影系统。 解决方案:显影方法使用显影装置,该显影装置至少包括:布置成与图像载体相对的第一显影剂载体; 以及第二显影剂载体,其相对于第一显影剂载体布置在图像载体的旋转方向的下游侧,其中形成在图像载体上的潜像用显影剂显影。 显影剂是具有调色剂和磁性载体的双组分显影剂; 并且显影剂的压缩度C在20-32%的范围内,并且通过在4.0×10 -4 N / mm 2的固结负载下剪切应力测量获得的剪切应力 在0.5×10 -4 至2.5×10 -4 N / mm 2 的范围内。 版权所有(C)2006,JPO&NCIPI