公开(公告)号：US07553598B2

公开(公告)日：2009-06-30

申请号：US11378424

申请日：2006-03-20

申请人： Kousuke Suzuki ,  Tomio Kondoh ,  Shinichiro Yagi ,  Hitoshi Iwatsuki

发明人： Kousuke Suzuki ,  Tomio Kondoh ,  Shinichiro Yagi ,  Hitoshi Iwatsuki

IPC分类号： G03G9/113

CPC分类号： G03G9/1139 ,  G03G9/10 ,  G03G9/1138

摘要： A carrier contains a core; and a cover layer located overlying the core, wherein the cover layer comprises a binder resin, a first particulate material and a second particulate material, wherein the following relationships are satisfied: 1

摘要翻译： 载体包含核心; 覆盖层位于芯的上方，其中覆盖层包括粘合剂树脂，第一颗粒材料和第二颗粒材料，其中满足以下关系：1 <（D1 / h）<10和0.001 <（D2 / h）<1，其中D1（mum）表示第一颗粒材料的体积平均粒径，D2（母体）表示第二颗粒材料的体积平均粒径，h（mum）表示覆盖物的厚度 层，并且其中所述第二颗粒材料具有不大于1.0×10 12Ω·cm的体积电阻率。

公开(公告)号：US20090074450A1

公开(公告)日：2009-03-19

申请号：US12209607

申请日：2008-09-12

申请人： Masashi NAGAYAMA ,  Tomio Kondou ,  Shinichiro Yagi ,  Hitoshi Iwatsuki

发明人： Masashi NAGAYAMA ,  Tomio Kondou ,  Shinichiro Yagi ,  Hitoshi Iwatsuki

IPC分类号： G03G21/18 ,  G03G15/08

CPC分类号： G03G15/0893 ,  G03G15/0874 ,  G03G15/0877 ,  G03G15/0879 ,  G03G2215/0822 ,  G03G2215/0838

摘要： An image forming apparatus including an image bearing member; and a developing device including a developer bearing member, a developer containing portion, a developer supplying passage supplying the developer to the developer bearing member while feeding the developer in a direction, and a developer agitating passage feeding a mixture of the developer fed through the developer supplying passage without used for developing, and the developer used for developing, in the opposite direction. The developer supplying passage, and developer agitating passage are separated from each other except for at least both the end portions. The developer includes a toner and a carrier having a cover layer thereon, which includes a binder resin and a particulate material. The ratio of the volume average particle diameter of the particulate material to the average thickness of the resinous portion of the cover layer is greater than 1 and less than 10.

摘要翻译： 一种图像形成装置，包括图像承载部件; 以及显影装置，其包括显影剂承载部件，显影剂容纳部分，在将显影剂沿方向供给显影剂的同时将显影剂供应到显影剂承载部件的显影剂供给通道，以及供给通过显影剂的显影剂的混合物的显影剂搅拌通道 不用于显影的供给通道和用于显影的显影剂在相反方向上。 显影剂供给通道和显影剂搅拌通道彼此分开，至少至少两个端部。 显影剂包括调色剂和其上具有覆盖层的载体，其包括粘合剂树脂和颗粒材料。 颗粒材料的体积平均粒径与覆盖层的树脂部分的平均厚度之比大于1且小于10。

公开(公告)号：US20090041510A1

公开(公告)日：2009-02-12

申请号：US12189384

申请日：2008-08-11

申请人： Naoki Imahashi ,  Tomio Kondou ,  Kimitoshi Yamaguchi ,  Hitoshi Iwatsuki

发明人： Naoki Imahashi ,  Tomio Kondou ,  Kimitoshi Yamaguchi ,  Hitoshi Iwatsuki

IPC分类号： G03G15/09

CPC分类号： G03G15/0907

摘要： An image forming apparatus is provided containing an image bearing member, a developer bearing member, and a developer control member being magnetic. The electrostatic latent image on the image bearing member is developed with a toner to form a toner image. The carrier includes magnetic core particles having a cover layer on the surfaces thereof, including fine particles having a weight average particle diameter of from 0.02 to 0.5 μm. The carrier has a weight average particle diameter of from 22 to 32 μm, and a ratio (E10/E100) of from 1.00 to 1.20. The ratio (E10/E100) is a ratio of a total energy (E10) to a total energy (E100) at a leading edge speed of the blade of 10 mm/s and 100 mm/s, respectively, measured using a power rheometer at an angle of approach of −5°.

摘要翻译： 提供一种图像形成装置，其包含图像承载部件，显影剂承载部件和磁性显影剂控制部件。 图像承载部件上的静电潜像用调色剂显影以形成调色剂图像。 载体包括其表面上具有覆盖层的磁芯颗粒，包括重均粒径为0.02-0.5μm的细颗粒。 载体的重均粒径为22〜32μm，比例（E10 / E100）为1.00〜1.20。 比率（E10 / E100）分别是使用功率流变仪测量的叶片的前端速度为10mm / s和100mm / s时的总能量（E10）与总能量（E100）的比率 以-5°的接近角度。

公开(公告)号：US20080213684A1

公开(公告)日：2008-09-04

申请号：US12015109

申请日：2008-01-16

申请人： Masashi NAGAYAMA ,  Tomio Kondou ,  Shinichiro Yagi ,  Hitoshi Iwatsuki

发明人： Masashi NAGAYAMA ,  Tomio Kondou ,  Shinichiro Yagi ,  Hitoshi Iwatsuki

IPC分类号： G03G9/087 ,  G03G13/06 ,  G03G15/08

CPC分类号： G03G9/1139 ,  G03G9/10 ,  G03G9/107 ,  G03G9/1075 ,  G03G9/1131 ,  G03G9/1133 ,  G03G9/1136 ,  G03G9/1138 ,  G03G15/0874 ,  G03G15/0877 ,  G03G15/0879 ,  G03G2215/0607

摘要： To provide a carrier for electrophotographic developer including core particles and a cover layer covering the particles, wherein at least one of the carrier to be supplied in a developing apparatus and carrier contained in the developing apparatus has a weight average particle diameter Dw of 22 μm or more and 32 μm or less, a ratio Dw/Dp of the weight average particle diameter Dw to the number average particle diameter Dp that satisfies the relationship 1.00≦Dw/Dp≦1.20, particles whose particle diameter x (μm) is within a range of 0

摘要翻译： 为了提供包括核心颗粒和覆盖颗粒的覆盖层的电子照相显影剂的载体，其中待显影装置中供给的载体和显影装置中所含的载体中的至少一个的重均粒径Dw为22μm，或 32μm以下，重均粒径Dw与数均粒径Dp的比Dw / Dp满足1.00

公开(公告)号：US07381513B2

公开(公告)日：2008-06-03

申请号：US11189692

申请日：2005-07-27

申请人： Kohsuke Suzuki ,  Tomio Kondoh ,  Shinichiro Yagi ,  Hitoshi Iwatsuki

发明人： Kohsuke Suzuki ,  Tomio Kondoh ,  Shinichiro Yagi ,  Hitoshi Iwatsuki

IPC分类号： G03G9/113

CPC分类号： G03G9/1139 ,  G03G9/1075 ,  G03G9/1132 ,  G03G9/1133 ,  G03G9/1136

摘要： A carrier containing a core material and a resin coating layer located overlying the surface of the core material. The resin coating layer contains resin and electroconductive particles having an oil absorption amount of from 10 to 300 ml/100 g. The electroconductive particle contains a base material particle and an electroconductive coating layer located overlying the surface of the base material particle. The electroconductive coating layer contains an underlayer containing tin dioxide and an upper layer containing indium oxide and tin dioxide, located overlying the underlayer.

摘要翻译： 载体，其包含芯材料和覆盖在芯材表面上的树脂涂层。 树脂被覆层含有吸油量为10〜300ml / 100g的树脂和导电性粒子。 导电颗粒包含基材颗粒和覆盖在基材颗粒表面上的导电涂层。 导电涂层包含含有二氧化锡和含有氧化铟和二氧化锡的上层的底层，位于覆盖在底层上方。

公开(公告)号：US20060251982A1

公开(公告)日：2006-11-09

申请号：US11398662

申请日：2006-04-06

申请人： Hitoshi Iwatsuki ,  Tomio Kondou ,  Shinichiro Yagi ,  Kousuke Suzuki

发明人： Hitoshi Iwatsuki ,  Tomio Kondou ,  Shinichiro Yagi ,  Kousuke Suzuki

IPC分类号： G03G9/10

CPC分类号： G03G9/1131 ,  G03G9/1075 ,  G03G9/1133 ,  G03G9/1136 ,  G03G9/1139

摘要： A carrier contains a core material; and a coated film containing a binder resin, and a particulate material, the coated film covering the core material, wherein a ratio (D/h) of an average particle diameter (D) of the particulate material to an average thickness (h) of the coated film is from 0.01 to 1, and wherein the carrier has concavities and convexities on the surface of the carrier, the concavities and convexities having a difference of elevation of from 0.05 to 2.0 μm.

公开(公告)号：US20210291438A1

公开(公告)日：2021-09-23

申请号：US17249429

申请日：2021-03-02

申请人： Hitoshi IWATSUKI

发明人： Hitoshi IWATSUKI

IPC分类号： B29C64/153 ,  B33Y10/00 ,  B33Y70/00 ,  C08L67/02

摘要： Provided is a resin powder, wherein when the resin powder is subjected to heating at a rate of 10 degrees C./min to a temperature higher by 30 degrees C. than a melting point (Tm) of the resin powder measured during this heating, and subjected to cooling at a rate of 1 degree C./min from the temperature higher by 30 degrees C. than the melting point (Tm) until the resin powder reaches the melting point (Tm) in differential scanning calorimetry (DSC) according to ISO 3146 (Testing Methods for Transition Temperatures of Plastics, JIS K7121), the resin powder has a loss tangent (tan δ) of 18.0 or greater.

公开(公告)号：US11066758B2

公开(公告)日：2021-07-20

申请号：US15656214

申请日：2017-07-21

申请人： Akira Saito ,  Shigenori Yaguchi ,  Yasuyuki Yamashita ,  Kiichi Kamoda ,  Yasuo Suzuki ,  Nozomu Tamoto ,  Hitoshi Iwatsuki ,  Shinzo Higuchi ,  Sohichiroh Iida

发明人： Akira Saito ,  Shigenori Yaguchi ,  Yasuyuki Yamashita ,  Kiichi Kamoda ,  Yasuo Suzuki ,  Nozomu Tamoto ,  Hitoshi Iwatsuki ,  Shinzo Higuchi ,  Sohichiroh Iida

IPC分类号： B32B5/16 ,  D01F6/66 ,  C08J3/12 ,  B33Y70/00 ,  C08K3/04 ,  B05D3/06 ,  C08K3/16 ,  C08K3/22 ,  C08K5/1575 ,  C08K5/527 ,  C08K7/14 ,  C08K7/20 ,  D01F1/07 ,  D01F1/10 ,  D01F6/06 ,  D01F6/80 ,  D01F6/84

摘要： A resin powder for solid freeform fabrication includes a particle having a pillar-like form, wherein the ratio of the height of the particle to the diameter or the long side of the bottom of the particle is 0.5 to 2.0, the particle has a 50 percent cumulative volume particle diameter of from 5 to 200 μm, and the ratio (Mv/Mn) of the volume average particle diameter (Mv) to the number average particle diameter (Mn) of the particle is 2.00 or less.

公开(公告)号：US11045978B2

公开(公告)日：2021-06-29

申请号：US16184244

申请日：2018-11-08

申请人： Hitoshi Iwatsuki ,  Yasuyuki Yamashita ,  Kiichi Kamoda ,  Toshiyuki Mutoh ,  Yasutomo Aman ,  Toshiyuki Iseki ,  Mitsuru Naruse ,  Akira Saito ,  Shinzo Higuchi ,  Sohichiroh Iida

发明人： Hitoshi Iwatsuki ,  Yasuyuki Yamashita ,  Kiichi Kamoda ,  Toshiyuki Mutoh ,  Yasutomo Aman ,  Toshiyuki Iseki ,  Mitsuru Naruse ,  Akira Saito ,  Shinzo Higuchi ,  Sohichiroh Iida

IPC分类号： B29B9/12 ,  B29C64/153 ,  B33Y70/00 ,  B33Y10/00 ,  B29B9/06 ,  C08J3/12 ,  B29K101/12

摘要： A particle for solid freeform fabrication having a columnar form has end surfaces and a side surface, wherein one of the end surfaces partially covers the side surface.

公开(公告)号：US20200079011A1

公开(公告)日：2020-03-12

申请号：US16562734

申请日：2019-09-06

申请人： Hitoshi IWATSUKI ,  Sohichiroh IIDA ,  Yunsheng SUN ,  Satoshi OGAWA

发明人： Hitoshi IWATSUKI ,  Sohichiroh IIDA ,  Yunsheng SUN ,  Satoshi OGAWA

IPC分类号： B29C64/153 ,  B33Y70/00

摘要： A resin powder contains a resin containing particles, wherein the proportion of the particles in an aspect ratio range X represented by the following inequality 1 is 50 percent by number or more in a number distribution of an aspect ratio of the resin powder: A50−1≤X≤A50+1 Inequality 1, where A50 represents a median of the aspect ratio.