公开(公告)号：US07566521B2

公开(公告)日：2009-07-28

申请号：US11777424

申请日：2007-07-13

申请人： Akihiro Kotsugai ,  Satoshi Mochizuki ,  Hisashi Nakajima ,  Yasuo Asahina ,  Osamu Uchinokura ,  Masayuki Ishii ,  Tomoyuki Ichikawa ,  Shinya Nakayama ,  Koichi Sakata ,  Tomoko Utsumi ,  Hitoshi Iwatsuki ,  Yasuaki Iwamoto ,  Hideki Sugiura ,  Masami Tomita

发明人： Akihiro Kotsugai ,  Satoshi Mochizuki ,  Hisashi Nakajima ,  Yasuo Asahina ,  Osamu Uchinokura ,  Masayuki Ishii ,  Tomoyuki Ichikawa ,  Shinya Nakayama ,  Koichi Sakata ,  Tomoko Utsumi ,  Hitoshi Iwatsuki ,  Yasuaki Iwamoto ,  Hideki Sugiura ,  Masami Tomita

IPC分类号： G03G15/08

CPC分类号： G03G9/0806 ,  G03G9/0819 ,  G03G9/0821 ,  G03G9/0825 ,  G03G9/0827 ,  G03G9/08755 ,  G03G9/08764 ,  G03G9/08791 ,  G03G9/08793 ,  G03G9/09716 ,  G03G9/09725

摘要： To provide a toner that can provide long-term removability and high-definition images with reduced image layer thickness and densely-packed toner particles, a developer capable of forming high-quality images using the toner, a toner container for containing the toner, a process cartridge using the toner, an image forming apparatus using the toner, and an image forming method using the toner. The toner of the present invention is a toner having a substantially spherical shape with irregularities on its surface and containing at least a binder resin and a colorant, wherein a surface factor SF-1 that represents the sphericity of toner particles is 105 to 180, a surface factor SF-2 that represents the degree of surface irregularities of the toner particles is correlated with the volume-average diameter of the toner particles, and the toner particles have an inorganic oxide particle-containing layer within 1 μm from their surfaces.

摘要翻译： 为了提供能够提供具有降低的图像层厚度和密集调色剂颗粒的长期可移除性和高清晰度图像的调色剂，能够使用调色剂形成高质量图像的显影剂，用于容纳调色剂的调色剂容器， 使用调色剂的处理盒，使用调色剂的图像形成装置和使用该调色剂的图像形成方法。 本发明的调色剂是具有基本上球形的调色剂，其表面上具有不规则性并且至少包含粘合剂树脂和着色剂，其中表示调色剂颗粒的球形度的表面系数SF-1为105至180， 表示调色剂颗粒的表面不规则度的表面因子SF-2与调色剂颗粒的体积平均直径相关，并且调色剂颗粒的表面上的无机氧化物颗粒含量在1um以内。

公开(公告)号：US20080317508A1

公开(公告)日：2008-12-25

申请号：US12135413

申请日：2008-06-09

申请人： Junichi TERAI ,  Koichi Kato ,  Koichi Sakata ,  Maiko Koeda ,  Kentaroh Tomita ,  Kiyonori Tsuda

发明人： Junichi TERAI ,  Koichi Kato ,  Koichi Sakata ,  Maiko Koeda ,  Kentaroh Tomita ,  Kiyonori Tsuda

IPC分类号： G03G15/08

CPC分类号： G03G15/0844 ,  G03G15/0815 ,  G03G2215/0838

摘要： A developing device capable of conveying discharged developer to the outside of the device well by preventing developer from firmly adhering within a discharge conveyance path, as well as an image forming apparatus and a process cartridge having this developing device. A developing device, having: a developing roller; a developer conveyance path having a supply screw and a supply conveyance path; a toner replenishment controller for replenishing the developer to the developer conveyance path; a discharge conveyance path for conveying the developer to the outside of the developing device; a discharge screw serving as a discharge conveying member for applying a conveying force to the developer within the discharge conveyance path; and a developer discharge port serving as developer discharge means for discharging the developer to the discharge conveyance path, wherein the conveying force is applied to the discharged developer intermittently by the discharge screw serving as a discharge conveying member, whereby a shock is applied intermittently to the discharged developer within the discharge conveyance path.

摘要翻译： 一种能够通过防止显影剂在排出输送路径内牢固地附着而将排出的显影剂输送到装置外部的显影装置，以及具有该显影装置的图像形成装置和处理盒。 一种显影装置，具有：显影辊; 具有供给螺杆和供给输送路径的显影剂输送路径; 用于将显影剂补充到显影剂传送路径的调色剂补充控制器; 用于将显影剂输送到显影装置的外部的排出输送路径; 排出螺杆，用作用于在排出输送路径内向显影剂施加输送力的排出传送部件; 以及作为用于将显影剂排出到排出输送路径的显影剂排出装置的显影剂排出口，其中通过作为排出传送构件的排出螺杆将间歇地施加到排出的显影剂的输送力，从而间歇地施加到 在排出输送路径内排出显影剂。

公开(公告)号：US20080063433A1

公开(公告)日：2008-03-13

申请号：US11853490

申请日：2007-09-11

申请人： Satoru MIYAMOTO ,  Koichi Sakata ,  Maiko Koeda ,  Kiyonori Tsuda

发明人： Satoru MIYAMOTO ,  Koichi Sakata ,  Maiko Koeda ,  Kiyonori Tsuda

IPC分类号： G03G15/08

CPC分类号： G03G15/0818 ,  G03G2215/0609 ,  G03G2215/0619

摘要： A developing device and image forming apparatus that can satisfy stability over time in relation to amount of developer carried, and prevent developer retention, deterioration of developer and developing sleeve adhesion, wherein the amount of developer carried per unit area on the developer carrier in the developing region is 30 [mg/cm2] to 60 [mg/cm2]; the weight mean particle diameter of the toner is 4.5 [μm] to 8.0 [μm]; the ratio [Dw/Dn] of the toner weight mean particle diameter (Dw) and the number mean particle diameter (Dn) is 1.20 or less; an irregular roughness pattern having the maximum height Rz of the surface roughness of 20 to 40 [μm] and the mean space Sm of the roughness of 100 to 200 [μm] is formed on the surface of the developer carrier; and the relationship between the developing gap PG and the gap DG between the developer restricting member and the developer carrier is 1.0≦(DG/PG)3.0≦.

摘要翻译： 一种显影装置和图像形成装置，其能够随着时间的推移相对于所携带的显影剂的量而满足稳定性，并且防止显影剂滞留，显影剂的劣化和显影套筒粘附，其中显影剂载体上显影剂承载量在显影剂 区域为30 [mg / cm 2]至60 [mg / cm 2]; 调色剂的重均粒径为4.5μm至8.0μm; 调色剂重量平均粒径（Dw）与数均粒径（Dn）的比[Dw / Dn]为1.20以下， 在显影剂载体的表面上形成表面粗糙度最大高度Rz为20〜40μm，粗糙度平均空间Sm为100〜200μm的不规则粗糙图案。 并且显影间隙PG与显影剂限制构件和显影剂载体之间的间隙DG之间的关系为1.0 <=（DG / PG）3.0 <=。

公开(公告)号：US20070275318A1

公开(公告)日：2007-11-29

申请号：US11830100

申请日：2007-07-30

申请人： Hideki Sugiura ,  Satoshi Mochizuki ,  Yasuaki Iwamoto ,  Yasuo Asahina ,  Kazuhiko Umemura ,  Tomoyuki Ichikawa ,  Shinya Nakayama ,  Koichi Sakata ,  Tomoko Utsumi

发明人： Hideki Sugiura ,  Satoshi Mochizuki ,  Yasuaki Iwamoto ,  Yasuo Asahina ,  Kazuhiko Umemura ,  Tomoyuki Ichikawa ,  Shinya Nakayama ,  Koichi Sakata ,  Tomoko Utsumi

IPC分类号： G03G9/08

CPC分类号： G03G9/08793 ,  G03G9/0806 ,  G03G9/0821 ,  G03G9/0827 ,  G03G9/08742

摘要： A toner including toner particles including a binder resin, a colorant, and an inorganic particulate material present on a surface of the toner particles. The toner particles have a surface roughness (Ra) of from 1 to 30 nm, a standard deviation of the surface roughness of from 10 to 90 nm and include 1 to 20 convexities per 1 μm, which have a height not less than 10 nm.

摘要翻译： 包含调色剂颗粒的调色剂，包括存在于调色剂颗粒表面上的粘合剂树脂，着色剂和无机颗粒材料。 调色剂颗粒具有1至30nm的表面粗糙度（Ra），10至90nm的表面粗糙度的标准偏差，并且包括具有不小于10nm的高度的每1um的1至20个凸起。

公开(公告)号：US20060068313A1

公开(公告)日：2006-03-30

申请号：US11234415

申请日：2005-09-26

申请人： Shinya Nakayama ,  Satoshi Mochizuki ,  Yasuaki Iwamoto ,  Yasuo Asahina ,  Kazuhiko Umemura ,  Hideki Sugiura ,  Hisashi Nakajima ,  Tomoyuki Ichikawa ,  Tomoko Utsumi ,  Koichi Sakata ,  Akihiro Kotsugai ,  Osamu Uchinokura ,  Masayuki Ishii

发明人： Shinya Nakayama ,  Satoshi Mochizuki ,  Yasuaki Iwamoto ,  Yasuo Asahina ,  Kazuhiko Umemura ,  Hideki Sugiura ,  Hisashi Nakajima ,  Tomoyuki Ichikawa ,  Tomoko Utsumi ,  Koichi Sakata ,  Akihiro Kotsugai ,  Osamu Uchinokura ,  Masayuki Ishii

IPC分类号： G03G9/087

CPC分类号： G03G9/0806 ,  G03G9/0823 ,  G03G9/08755 ,  G03G9/08764 ,  G03G9/08766 ,  G03G9/09716 ,  G03G9/09725 ,  G03G9/09741 ,  G03G9/09766

摘要： The object of the present invention is to provide a developer having a sharp charge amount distribution and bringing out high-quality image without substantially smearing a charging unit, developing units, a photoconductor, and an intermediate transferring member by the developer, namely, a developer capable of providing an appropriate image density and exhibiting extremely little background smear even when used over a long period of time and repeatedly used for a number of sheets of paper as well as to provide an image forming apparatus for electrophotography using the developer.

摘要翻译： 本发明的目的是提供一种具有尖锐的电荷量分布的显影剂，并且通过显影剂，即显影剂，显影剂，显影剂，显影剂，显影剂， 能够提供适当的图像浓度，并且即使在长时间使用并且重复使用多张纸时也显示极小的背景污迹，并且提供使用显影剂的电子照相的图像形成装置。

公开(公告)号：US20050191575A1

公开(公告)日：2005-09-01

申请号：US10759029

申请日：2004-01-20

申请人： Hideki Sugiura ,  Satoshi Mochizuki ,  Yasuaki Iwamoto ,  Yasuo Asahina ,  Kazuhiko Umemura ,  Tomoyuki Ichikawa ,  Shinya Nakayama ,  Koichi Sakata ,  Tomoko Utsumi

发明人： Hideki Sugiura ,  Satoshi Mochizuki ,  Yasuaki Iwamoto ,  Yasuo Asahina ,  Kazuhiko Umemura ,  Tomoyuki Ichikawa ,  Shinya Nakayama ,  Koichi Sakata ,  Tomoko Utsumi

IPC分类号： G03G9/08 ,  G03G9/087

CPC分类号： G03G9/08793 ,  G03G9/0806 ,  G03G9/0821 ,  G03G9/0827 ,  G03G9/08742

摘要： A toner including toner particles including a binder resin, a colorant, and an inorganic particulate material present on a surface of the toner particles. The toner particles have a surface roughness (Ra) of from 1 to 30 nm, a standard deviation of the surface roughness of from 10 to 90 nm and include 1 to 20 convexities per 1 μm, which have a height not less than 10 nm.

摘要翻译： 包含调色剂颗粒的调色剂，包括存在于调色剂颗粒表面上的粘合剂树脂，着色剂和无机颗粒材料。 调色剂颗粒具有1至30nm的表面粗糙度（Ra），10至90nm的表面粗糙度的标准偏差，并且包括具有不小于10nm的高度的每1um的1至20个凸起。

公开(公告)号：US20050026064A1

公开(公告)日：2005-02-03

申请号：US10875402

申请日：2004-06-25

申请人： Hideki Sugiura ,  Satoshi Mochizuki ,  Yasuaki Iwamoto ,  Yasuo Asahina ,  Akihiro Kotsugai ,  Shinya Nakayama ,  Tomoyuki Ichikawa ,  Koichi Sakata ,  Tomoko Utsumi ,  Hisashi Nakajima

发明人： Hideki Sugiura ,  Satoshi Mochizuki ,  Yasuaki Iwamoto ,  Yasuo Asahina ,  Akihiro Kotsugai ,  Shinya Nakayama ,  Tomoyuki Ichikawa ,  Koichi Sakata ,  Tomoko Utsumi ,  Hisashi Nakajima

IPC分类号： G03G9/08 ,  G03G9/087

CPC分类号： G03G9/0827 ,  G03G9/0806 ,  G03G9/0819 ,  G03G9/08764 ,  G03G9/08795 ,  G03G9/08797

摘要： A toner for developing an electrostatic image, includes: a colorant; and a binder resin. The toner has a particle including at least one pore having a diameter of 10 nm or over, and a porosity thereof is in a range from 0.01 to 0.60.

摘要翻译： 用于显影静电图像的调色剂包括：着色剂; 和粘合剂树脂。 该调色剂具有包含直径为10nm以上的至少一个孔的粒子，其孔隙率为0.01〜0.60。

公开(公告)号：US10444651B2

公开(公告)日：2019-10-15

申请号：US15911443

申请日：2018-03-05

申请人： Mariko Takii ,  Koichi Sakata ,  Tohru Suganuma ,  Masahiro Seki ,  Masashi Nagayama ,  Toyoaki Tano ,  Kohsuke Miyazaki

发明人： Mariko Takii ,  Koichi Sakata ,  Tohru Suganuma ,  Masahiro Seki ,  Masashi Nagayama ,  Toyoaki Tano ,  Kohsuke Miyazaki

IPC分类号： G03G9/107 ,  G03G9/113 ,  G03G15/08 ,  G03G15/00

摘要： A carrier is provided including a core particle and a resin layer coating the surface of the core particle. The resin layer includes fine metal particles, and a detected metal element amount A obtained by X-ray photoelectron spectrometry of the surface of the carrier is in a range of 4.0 atomic %≤A≤20.0 atomic % and an average major-axis length B of the fine metal particle exposing from the resin layer is in a range of 100 nm≤B≤800 nm.

公开(公告)号：US20190018331A1

公开(公告)日：2019-01-17

申请号：US16131566

申请日：2018-09-14

申请人： Mariko Takii ,  Koichi Sakata ,  Tohru Suganuma ,  Masahiro Seki ,  Masashi Nagayama ,  Shinya Nakagawa ,  Kei Niwayama

发明人： Mariko Takii ,  Koichi Sakata ,  Tohru Suganuma ,  Masahiro Seki ,  Masashi Nagayama ,  Shinya Nakagawa ,  Kei Niwayama

IPC分类号： G03G9/113 ,  G03G9/087 ,  G03G15/08

CPC分类号： G03G9/1139 ,  G03G9/08755 ,  G03G9/1075 ,  G03G9/1133 ,  G03G9/1136 ,  G03G15/0867

摘要： Provided is a carrier for a developer of an electrostatic latent image, the carrier including a core particle, and a resin layer covering the core particle, where the resin layer includes metal compound particles, wherein the metal compound particles include magnesium compound particles or barium compound particles, and an exposed amount B (atomic %) of the magnesium or the barium on a surface of the carrier particle satisfies a relationship below: 10.0≥B≥1.2.

公开(公告)号：US09519234B2

公开(公告)日：2016-12-13

申请号：US14410711

申请日：2013-06-26

申请人： Hiroyuki Kishida ,  Shigenori Yaguchi ,  Hiroshi Tohmatsu ,  Koichi Sakata ,  Hitoshi Iwatsuki ,  Toyoaki Tano

发明人： Hiroyuki Kishida ,  Shigenori Yaguchi ,  Hiroshi Tohmatsu ,  Koichi Sakata ,  Hitoshi Iwatsuki ,  Toyoaki Tano

IPC分类号： G03G9/00 ,  G03G9/083 ,  G03G9/107 ,  G03G9/113 ,  G03G21/18 ,  H01F1/01

CPC分类号： G03G9/0839 ,  G03G9/1075 ,  G03G9/1139 ,  G03G21/18 ,  H01F1/01

摘要： There is provided a carrier including magnetic core particles; and a coating layer on a surface of each of the magnetic core particles, wherein the coating layer contains electroconductive particles; wherein the electroconductive particles are electroconductive particles in which white inorganic pigments are coated with phosphorus-doped tin or tungsten-doped tin; and wherein a dope ratio of phosphorus or tungsten to tin in the phosphorus-doped tin or tungsten-doped tin is 0.010 to 0.100.

摘要翻译： 提供了包括磁芯颗粒的载体; 以及每个所述磁芯颗粒的表面上的涂层，其中所述涂层含有导电颗粒; 其中导电颗粒是导电颗粒，其中白色无机颜料用磷掺杂锡或掺杂钨的锡涂覆; 并且其中磷掺杂锡或掺杂钨的锡中磷或钨与锡的掺杂比为0.010至0.100。