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1.发明申请公开(公告)号：US20200319571A1
公开(公告)日：2020-10-08
申请号：US16835385
申请日：2020-03-31
申请人： Kento TAKEUCHI , Yutaka MAKIBE , Kenichi MASHIKO , Masato TAIKOJI , Kei NIWAYAMA
发明人： Kento TAKEUCHI , Yutaka MAKIBE , Kenichi MASHIKO , Masato TAIKOJI , Kei NIWAYAMA
摘要： An electrophotographic developer is provided. The electrophotographic developer comprises a toner and a carrier. The toner contains alumina particles. The carrier comprises a core particle and a resin layer coating a surface of the core particle. The carrier has a volume average particle diameter (Dv) of from 45 to 70 μm and a bulk density of from 2.1 to 2.5 g/cm3.
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公开(公告)号：US20200183297A1
公开(公告)日：2020-06-11
申请号：US16305196
申请日：2017-05-26
申请人： Haruki MURATA , Hiroyuki KISHIDA , Toyoaki TANO , Kenichi MASHIKO , Masato TAIKOJI , Mariko TAKII , Yoshihiro MURASAWA
发明人： Haruki MURATA , Hiroyuki KISHIDA , Toyoaki TANO , Kenichi MASHIKO , Masato TAIKOJI , Mariko TAKII , Yoshihiro MURASAWA
摘要： A carrier for developing an electrostatic latent image includes a core material particle and a resin layer covering a surface of the core material particle. The resin layer includes a resin and at least one kind of a fine particle. At least one kind of the fine particles includes a chargeable fine particle. The chargeable fine particle has a long diameter of 400 to 900 nm. The chargeable fine particle has a shape factor SF-1 of 160 to 250.
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公开(公告)号：US20170269497A1
公开(公告)日：2017-09-21
申请号：US15449572
申请日：2017-03-03
申请人： Yoshihiro MURASAWA , Toyoaki TANO , Hiroyuki KISHIDA , Masato TAIKOJI , Kenichi MASHIKO , Mariko TAKII , Haruki MURATA
发明人： Yoshihiro MURASAWA , Toyoaki TANO , Hiroyuki KISHIDA , Masato TAIKOJI , Kenichi MASHIKO , Mariko TAKII , Haruki MURATA
CPC分类号： G03G9/1075 , G03G9/0819 , G03G9/08755 , G03G9/091 , G03G9/0926 , G03G9/107 , G03G9/1131 , G03G9/1133 , G03G9/1136 , G03G9/1139 , G03G15/08 , G03G2215/0607
摘要： A carrier for developing electrostatic latent images is provided. The carrier includes a magnetic core particle and a resin layer coating a surface of the magnetic core particle. The resin layer includes a particulate material A having a volume average particle diameter (a) and a particulate material B having a volume average particle diameter (b). The volume average particle diameter (a) of the particulate material A is the largest among volume average particle diameters of all particulate materials included in the resin layer, and an inequation 100≧(a)/(b)≧5 is satisfied. The particulate material A is barium sulfate.
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4.发明申请公开(公告)号：US20170329247A1
公开(公告)日：2017-11-16
申请号：US15522306
申请日：2015-09-29
申请人： Yoshihiro MURASAWA , Hiroshi TOHMATSU , Hitoshi IWATSUKI , Mariko TAKII , Koichi SAKATA , Hiroyuki KISHIDA , Toyoaki TANO , Kenichi MASHIKO
发明人： Yoshihiro MURASAWA , Hiroshi TOHMATSU , Hitoshi IWATSUKI , Mariko TAKII , Koichi SAKATA , Hiroyuki KISHIDA , Toyoaki TANO , Kenichi MASHIKO
CPC分类号： G03G9/1075 , G03G9/08755 , G03G9/08795 , G03G9/08797 , G03G9/0902 , G03G9/113 , G03G9/1131 , G03G9/1139
摘要： Provided is an electrostatic latent image developing white toner, including: a white toner including at least a binder resin, a white pigment, and a release agent; and a magnetic carrier including at least a core material, and a coating layer coating the core material and made of a coating resin and conductive particles, wherein Ra of the magnetic carrier is in a range of from 0.50 μm to 1.00 μm, and a bulk density of the magnetic carrier is in a range of from 2.08 g/cm3 to 2.24 g/cm3.
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公开(公告)号：US20170153563A1
公开(公告)日：2017-06-01
申请号：US15331118
申请日：2016-10-21
IPC分类号： G03G9/00
CPC分类号： G03G9/10 , G03G9/1139 , G03G15/08
摘要： A carrier includes a core and a covering layer covering the core and including at least carbon black and a filler. The maximum height Ry of the surface of the carrier is from 4.0 μm to 5.0 μm.
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6.发明申请公开(公告)号：US20180120724A1
公开(公告)日：2018-05-03
申请号：US15568947
申请日：2016-04-28
申请人： Koichi SAKATA , Tohru SUGANUMA , Shohichi SUGIMOTO , Hiroshi TOHMATSU , Hiroyuki KISHIDA , Kenichi MASHIKO , Toyoaki TANO
发明人： Koichi SAKATA , Tohru SUGANUMA , Shohichi SUGIMOTO , Hiroshi TOHMATSU , Hiroyuki KISHIDA , Kenichi MASHIKO , Toyoaki TANO
IPC分类号： G03G9/113
CPC分类号： G03G9/1139 , G03G9/1136 , G03G9/1137
摘要： A carrier including a resin layer including at least one kind of particles, wherein the at least one kind of the particles are particles of barium sulfate, wherein an amount of Ba detected is 0.3 atomic % or greater in a Ba analysis through X-ray photo-electron spectroscopy (XPS) of the carrier, and wherein circle-equivalent diameters of the particles of the barium sulfate are 400 nm or greater but 900 nm or smaller.
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7.发明申请INTERMEDIATE TRANSFER BELT AND PRODUCING METHOD THE SAME, AND IMAGE FORMING APPARATUS 有权中间传送带和生产方法相同，图像形成装置公开(公告)号：US20140079445A1
公开(公告)日：2014-03-20
申请号：US14025164
申请日：2013-09-12
申请人： Sayaka KATOH , Jun AOTO , Kenichi MASHIKO , Shinichi NITTA , Atsuo HIRAI
发明人： Sayaka KATOH , Jun AOTO , Kenichi MASHIKO , Shinichi NITTA , Atsuo HIRAI
CPC分类号： G03G15/162
摘要： An intermediate transfer belt including a base layer, and an elastic layer on the base layer containing spherical particles on a surface thereof and containing an elastic layer ingredient, wherein the elastic layer contains a fatty acid in an amount of 0.001 parts by mass to 0.040 parts by mass relative to 100 parts by mass of the elastic layer ingredient.
摘要翻译： 一种中间转印带，包括基底层和在基底层上的包含球形颗粒的弹性层，并且包含弹性层成分，其中弹性层含有0.001质量份至0.040份的脂肪酸 ，相对于100质量份的弹性层成分。
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公开(公告)号：US20170248871A1
公开(公告)日：2017-08-31
申请号：US15511291
申请日：2015-08-31
申请人： Hitoshi IWATSUKI , Koichi SAKATA , Hiroshi TOHMATSU , Toyoaki TANO , Kenichi MASHIKO , Mariko TAKII , Hiroyuki KISHIDA , Yoshihiro MURASAWA , Keinosuke KONDOH , Toshio KOIKE , Yutaka TAKAHASHI
发明人： Hitoshi IWATSUKI , Koichi SAKATA , Hiroshi TOHMATSU , Toyoaki TANO , Kenichi MASHIKO , Mariko TAKII , Hiroyuki KISHIDA , Yoshihiro MURASAWA , Keinosuke KONDOH , Toshio KOIKE , Yutaka TAKAHASHI
IPC分类号： G03G15/09
CPC分类号： G03G15/0928 , G03G9/1136 , G03G9/1139 , G03G15/065 , G03G15/0907
摘要： A developing device, including: a developer containing toner and carrier; and developer bearer configured to have surface thereof bear the developer and endlessly move, and to develop latent image over surface of latent image bearer by supplying toner in developer to latent image in developing region facing the latent image bearer, wherein carrier contains fine particles, value X in volume resistivity R (=10X) (Ω·cm) of carrier is 11.5-16.0, developer bearer includes: magnetic field generating unit including a plurality of magnetic poles; and developing sleeve having a cylindrical shape enclosing magnetic field generating unit, and configured to bear developer over outer circumferential surface of cylindrical shape by magnetic force of the magnetic field generating unit and perform surface moving by rotating relative to developing device body, and developing device includes developing sleeve voltage applying unit configured to apply AC component-containing voltage to developing sleeve.
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公开(公告)号：US20140348552A1
公开(公告)日：2014-11-27
申请号：US14279595
申请日：2014-05-16
申请人： Hitoshi Iwatsuki , Shigenori YAGUCHI , Hiroshi TOHMATSU , Toyoaki TANO , Hiroyuki KISHIDA , Kenichi MASHIKO , Koichi SAKATA , Hiroshi HOSOKAWA , Shunji KATOH , Shinji TAMAKI , Hiroshi IKEGUCHI , Kenji KIKUCHI , Michiharu SUZUKI
发明人： Hitoshi Iwatsuki , Shigenori YAGUCHI , Hiroshi TOHMATSU , Toyoaki TANO , Hiroyuki KISHIDA , Kenichi MASHIKO , Koichi SAKATA , Hiroshi HOSOKAWA , Shunji KATOH , Shinji TAMAKI , Hiroshi IKEGUCHI , Kenji KIKUCHI , Michiharu SUZUKI
IPC分类号： G03G15/08
CPC分类号： G03G15/0877 , G03G15/0872
摘要： A replenishing developer housing container according to the present invention includes: a container body housing a replenishing developer; a conveying portion; a pipe receiving port; and an uplifting portion, wherein the replenishing developer contains a toner and a carrier, wherein the container body includes a protruding portion protruding from a container body interior side of the container opening portion toward one end of the container body and a curving portion curving so as to conform to the protruding portion, wherein the uplifting portion includes an uplifting wall surface extending from an internal wall surface of the container body toward the protruding portion, wherein the protruding portion is provided such that when the replenishing developer housing container is mounted on the replenishing developer conveying device, the protruding portion is present between the curving portion and the replenishing developer receiving port of a conveying pipe being inserted.
摘要翻译： 根据本发明的补充显影剂容纳容器包括：容纳补充显影剂的容器主体; 输送部; 管道接收口; 以及升起部，其中所述补充显影剂含有调色剂和载体，其中所述容器主体包括从所述容器开口部的容器主体内侧朝向所述容器主体的一端突出的突出部，弯曲部弯曲为 以使其与突出部分一致，其中提升部分包括从容器主体的内壁表面朝向突出部分延伸的提升壁表面，其中突出部分设置成使得当补充显影剂容纳容器安装在补充 显影剂输送装置，突出部分存在于插入的输送管的弯曲部分和补充显影剂接收口之间。
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10.发明申请CARRIER FOR TWO-COMPONENT DEVELOPER, ELECTROSTATIC LATENT IMAGE DEVELOPER, AND IMAGE FORMING METHOD 审中-公开双组分开发商的承载器，静电图像开发者和图像形成方法公开(公告)号：US20140080052A1
公开(公告)日：2014-03-20
申请号：US13960965
申请日：2013-08-07
申请人： Shigenori YAGUCHI , Hiroshi TOHMATSU , Koichi SAKATA , Hitoshi IWATSUKI , Hiroyuki KISHIDA , Toyoaki TANO , Kenichi MASHIKO
发明人： Shigenori YAGUCHI , Hiroshi TOHMATSU , Koichi SAKATA , Hitoshi IWATSUKI , Hiroyuki KISHIDA , Toyoaki TANO , Kenichi MASHIKO
IPC分类号： G03G9/00
CPC分类号： G03G15/0928 , G03G9/1075 , G03G9/1131 , G03G9/1136 , G03G9/1139
摘要： A carrier for developing electrostatic latent images produced in an image developer includes a magnetic particulate core material and a covering layer covering the surface of the core material. The image developer includes an image bearer, a developer bearer including comprising a magnetic field generator inside and a developer regulation member facing the surface of the image developer with a predetermined gap. The carrier has a bulk density of from 1.6 to 2.25 g/cm3, a BET specific surface area of from 0.5 to 2.0 m3/g, a saturated magnetization (σ5000) not less than 70 emu/g at 5 kOe, and a residual magnetization (σr) not greater than 2 emu/g.
摘要翻译： 用于显影图像显影剂中产生的静电潜像的载体包括磁性颗粒芯材和覆盖芯材表面的覆盖层。 图像显影器包括图像载体，包括内部的磁场发生器的显影剂载体和面向图像显影剂的表面的显影剂调节构件，具有预定的间隙。 载体的体积密度为1.6-2.25g / cm3，BET比表面积为0.5-2.0m3 / g，5kOe时的饱和磁化强度（＆sgr; 5000）不小于70emu / g， 剩余磁化强度（＆sgr。r）不大于2emu / g。
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