公开(公告)号：US20120201570A1

公开(公告)日：2012-08-09

申请号：US13501163

申请日：2010-12-16

申请人： Shigenori Ueda ,  Satoshi Kojima

发明人： Shigenori Ueda ,  Satoshi Kojima

IPC分类号： G03G15/00

CPC分类号： G03G5/08235 ,  G03G5/08214

摘要： The present invention provides an electrophotographic photosensitive member having an a-SiC upper charge injection inhibition layer and an a-SiC surface layer, which is superior in adhesiveness, suppresses the surface deterioration, is superior in sensitivity characteristics and charging characteristics, and can keep an adequate image-forming capability for a long period of time. The upper charge injection inhibition layer contains 10 atom ppm or more and 30,000 atom ppm or less of the Group 13 atoms or the Group 15 atoms of the Periodic Table with respect to silicon atoms in the upper charge injection inhibition layer, and the ratio (C/(Si+C)) of the number of carbon atoms in the upper charge injection inhibition layer with respect to the sum of the number of silicon atoms and the number of the carbon atoms in the upper charge injection inhibition layer is 0.10 or more and 0.60 or less; and the sum of the atom density of the silicon atoms and the atom density of the carbon atoms in the surface layer is 6.60×1022 atoms/cm3 or more, and the ratio (C/(Si+C)) of the number of carbon atoms with respect to the sum of the number of silicon atoms and the number of the carbon atoms in the surface layer is 0.61 or more and 0.75 or less.

摘要翻译： 本发明提供一种电子照相感光构件，其具有优异的粘合性，抑制表面变质的a-SiC上电荷注入抑制层和a-SiC表面层，具有优异的灵敏度特性和充电特性，并且可以保持 足够的成像能力长时间。 上电荷注入抑制层含有上电荷注入抑制层中相对于硅原子的10原子ppm以上且30,000原子ppm以下的元素周期表中的第13族原子或15族原子， 上电荷注入抑制层中的碳原子数相对于上电荷注入抑制层中的硅原子数和碳原子数之和的/（Si + C））为0.10以上， 0.60以下; 并且表面层中的硅原子的原子密度和碳原子的原子密度之和为6.60×1022原子/ cm3以上，碳数为C /（Si + C）的比例 相对于硅原子数和表面层中碳原子数之和的原子为0.61以上且0.75以下。

公开(公告)号：US20180231902A1

公开(公告)日：2018-08-16

申请号：US15955094

申请日：2018-04-17

申请人： Ryo Miyakoshi ,  Daisuke Asahina ,  Yoshihiro Moriya ,  Satoshi Kojima ,  Satoshi Takahashi

发明人： Ryo Miyakoshi ,  Daisuke Asahina ,  Yoshihiro Moriya ,  Satoshi Kojima ,  Satoshi Takahashi

IPC分类号： G03G9/087

CPC分类号： G03G9/08755 ,  G03G9/0821 ,  G03G9/08795 ,  G03G9/08797 ,  G03G2215/0617

摘要： A toner including polyester, wherein an amount of heat of a peak derived from the polyester in a range of from 40° C. through 70° C. during a cooling process is from 1.0 J/g through 15 J/g in differential scanning calorimetry performed under conditions below, after maintaining the toner at −20° C., heating the toner to 130° C. at 10° C./min (a first heating process), after maintaining the toner at 130° C. for 1 minute, cooling the toner to −50° C. at cooling speed of 10° C./min (the cooling process), and after maintaining the toner at −50° C. for 5 minutes, heating the toner to 130° C. at 10° C./min (a second heating process).

公开(公告)号：US09086647B2

公开(公告)日：2015-07-21

申请号：US14022691

申请日：2013-09-10

申请人： Shingo Sakashita ,  Junichi Awamura ,  Tsuneyasu Nagatomo ,  Satoshi Kojima ,  Tomoki Murayama

发明人： Shingo Sakashita ,  Junichi Awamura ,  Tsuneyasu Nagatomo ,  Satoshi Kojima ,  Tomoki Murayama

IPC分类号： G03G15/09 ,  G03G15/08 ,  G03G9/097 ,  G03G9/10 ,  G03G9/107 ,  G03G9/113

CPC分类号： G03G15/0822 ,  G03G9/09716 ,  G03G9/09725 ,  G03G9/10 ,  G03G9/107 ,  G03G9/1075 ,  G03G9/1132 ,  G03G9/1139

摘要： A developing device, including: a developer bearing member, which is disposed opposite to an electrostatic latent image bearing member and which bears thereon a developer for developing an electrostatic latent image formed on the electrostatic latent image bearing member and conveys the developer to a developing region, wherein the developer includes a toner and a carrier, the toner containing: a toner base containing a binder resin and a colorant; and an external additive, wherein the external additive contains coalescent particles each made up of a plurality of coalescing primary particles, and wherein a work function Wc of the carrier and a work function Ws of the developer bearing member satisfy a relationship of the following formula (1): Ws−Wc≧0.4 eV  (1).

摘要翻译： 一种显影装置，包括：显影剂承载构件，其与静电潜像承载构件相对地设置并承载有形成在静电潜像承载构件上的静电潜像的显影剂，并将显影剂输送到显影区域 其中所述显影剂包括调色剂和载体，所述调色剂含有：含有粘合剂树脂和着色剂的调色剂基料; 和外部添加剂，其中所述外部添加剂包含各自由多个聚结一次颗粒构成的聚结剂颗粒，并且其中载体的功函数Wc和显影剂承载构件的功函数Ws满足以下关系式（ 1）：Ws-Wc≥0.4eV（1）。

公开(公告)号：US08956795B2

公开(公告)日：2015-02-17

申请号：US13792722

申请日：2013-03-11

申请人： Satoshi Kojima ,  Tsuneyasu Nagatomo ,  Syouko Satoh ,  Osamu Uchinokura ,  Junichi Awamura ,  Satoshi Ogawa ,  Takahiro Honda ,  Daisuke Ito ,  Teruki Kusahara ,  Masaki Watanabe ,  Daisuke Inoue ,  Kiwako Hirohara

发明人： Satoshi Kojima ,  Tsuneyasu Nagatomo ,  Syouko Satoh ,  Osamu Uchinokura ,  Junichi Awamura ,  Satoshi Ogawa ,  Takahiro Honda ,  Daisuke Ito ,  Teruki Kusahara ,  Masaki Watanabe ,  Daisuke Inoue ,  Kiwako Hirohara

IPC分类号： G03G9/08 ,  G03G9/087 ,  G03G9/097

CPC分类号： G03G9/08755 ,  G03G9/0804 ,  G03G9/0821 ,  G03G9/08782 ,  G03G9/09708 ,  G03G9/09725

摘要： A toner for developing an electrostatic image, including: toner base particles each including a binder resin and a releasing agent; and inorganic fine particles, wherein the toner includes the inorganic fine particles as an external additive on a surface of the toner base particle, wherein the toner base particles have a BET specific surface area of 2.5 m2/g to 5.0 m2/g, and wherein the inorganic fine particles comprise inorganic fine particles (A) which are each a secondary particle where a plurality of primary particles are coalesced together.

摘要翻译： 一种用于显影静电图像的调色剂，包括：各自包含粘合剂树脂和脱模剂的调色剂基础颗粒; 和无机细颗粒，其中调色剂包括作为调色剂基础颗粒表面上的外部添加剂的无机细颗粒，其中调色剂基础颗粒的BET比表面积为2.5m 2 / g至5.0m 2 / g，并且其中 无机细颗粒包括无机细颗粒（A），它们是多个一次颗粒聚结在一起的二次颗粒。

公开(公告)号：US20140348546A1

公开(公告)日：2014-11-27

申请号：US14282198

申请日：2014-05-20

申请人： Satoshi Kojima ,  Junichi Awamura ,  Tsuneyasu Nagatomo ,  Shingo Sakashita ,  Tomoki Murayama ,  Masaya Fukuda ,  Hiroshi Hosokawa ,  Shunji Katoh ,  Shinji Tamaki ,  Hiroshi Ikeguchi ,  Kenji Kikuchi ,  Michiharu Suzuki

发明人： Satoshi Kojima ,  Junichi Awamura ,  Tsuneyasu Nagatomo ,  Shingo Sakashita ,  Tomoki Murayama ,  Masaya Fukuda ,  Hiroshi Hosokawa ,  Shunji Katoh ,  Shinji Tamaki ,  Hiroshi Ikeguchi ,  Kenji Kikuchi ,  Michiharu Suzuki

IPC分类号： G03G15/08

CPC分类号： G03G15/0872

摘要： Toner housing container includes: container body mountable on toner conveying device and housing toner supplied into toner conveying device; conveying portion provided in container body and conveying toner from longer direction one end of container body to other end at which container opening portion is provided; pipe receiving port provided at container opening portion and receiving conveying pipe fixed to toner conveying device; and uplifting portion to move toner conveyed by conveying portion toward toner receiving port of conveying pipe. Toner has loose apparent density of 0.28 g/cm3 to 0.53 g/cm3. Container body includes protruding portion protruding from container body interior side of container opening portion toward one end. Uplifting portion includes uplifting wall surface extending from internal wall surface of container body toward protruding portion, and curving portion curving to conform to protruding portion. Protruding portion is present between curving portion and toner receiving port of inserted conveying pipe.

摘要翻译： 调色剂容器容器包括：可安装在调色剂输送装置上的容器主体和容纳调色剂输送装置中的调色剂; 设置在容器主体中的输送部分，并且将调色剂从容器本体的长度方向的一端传送到设置有容器开口部分的另一端; 管接收口，设置在容器开口部分并接收固定到调色剂输送装置的输送管; 和提升部分，以将由输送部输送的调色剂移动到输送管的调色剂接收口。 调色剂的松散表观密度为0.28g / cm 3至0.53g / cm 3。 容器主体包括从容器主体的容器开口部内侧朝向一端突出的突出部。 上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，以及弯曲部分弯曲以符合突出部分。 突出部分存在于插入输送管的弯曲部分和调色剂接收口之间。

公开(公告)号：US08835086B2

公开(公告)日：2014-09-16

申请号：US13513044

申请日：2010-12-01

申请人： Naohiro Watanabe ,  Naohito Shimota ,  Yasuaki Iwamoto ,  Masana Shiba ,  Satoshi Kojima

发明人： Naohiro Watanabe ,  Naohito Shimota ,  Yasuaki Iwamoto ,  Masana Shiba ,  Satoshi Kojima

IPC分类号： G03G9/08

CPC分类号： G03G9/08782 ,  G03G9/0806 ,  G03G9/0821 ,  G03G9/08795 ,  G03G9/08797

摘要： An electrostatic image developing toner including: a binder resin; a colorant; and a wax, wherein the intensity ratio of an absorbance at 2,850 cm−1 derived from the wax to an absorbance at 828 cm−1 derived from the binder resin, represented by “absorbance derived from the wax/absorbance derived from the binder resin”, is in the range of 0.1 to 0.5, where the absorbances are measured by FTIR-ATR, and the intensity ratio serves as a value for determining the amount of the wax present within 0.3 μm in depth from surfaces of particles of the toner after the toner has been heated to 140° C. and then cooled, and wherein the toner has a storage elastic modulus of 5,000 Pa or greater at 140° C.

摘要翻译： 一种静电图像显影调色剂，包括：粘合剂树脂; 着色剂 和蜡，其中衍生自蜡的2,850cm -1处的吸光度与来自粘合剂树脂的828cm -1处的吸光度的强度比由“来自蜡的吸光度/衍生自粘合剂树脂的吸光度”表示 在0.1至0.5的范围内，其中吸光度通过FTIR-ATR测量，并且强度比作为用于确定存在于0.3μm以内的蜡的量的值的值 调色剂已被加热至140℃，然后冷却，其中调色剂在140℃下的储能弹性模量为5000Pa或更高。

公开(公告)号：US08029960B2

公开(公告)日：2011-10-04

申请号：US12046011

申请日：2008-03-11

申请人： Tsuneyasu Nagatomo ,  Naohiro Watanabe ,  Osamu Uchinokura ,  Satoshi Kojima

发明人： Tsuneyasu Nagatomo ,  Naohiro Watanabe ,  Osamu Uchinokura ,  Satoshi Kojima

IPC分类号： G03G5/04

CPC分类号： G03G9/0806 ,  G03G9/0819 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/0904 ,  G03G9/09716 ,  G03G9/09725

摘要： A toner, including a parent particulate material including a colorant and a binder resin, and an external additive including particles having an average primary particle diameter from 80 to less than 150 nm in an amount of from 0.03 to 2% by number, particles having an average primary particle diameter from 5 nm to less than 15 nm in an amount of from 50 to 95% by number, and particles having an average primary particle diameter from 15 to less than 40 nm in an amount of from 5 to 40% by number, and the particles having an average primary particle diameter from 80 to less than 150 nm include particles having an average primary particle diameter not less than 200 nm in an amount of from 10 to 30% by number, and have a weight reduction rate not greater than 3.00% when heated from 30 to 250° C.

摘要翻译： 包括着色剂和粘合剂树脂的母体颗粒材料的调色剂和包含平均一次粒径为80至小于150nm的颗粒的外部添加剂，其数量为0.03至2个数量的颗粒，其具有 平均一次粒径为50〜95个数的5nm〜15nm的平均一次粒径，平均一次粒径为15〜小于40nm的粒子数为5〜40个数 ，平均一次粒径为80〜小于150nm的粒子的平均一次粒径为200nm以上的平均粒径为10〜30体积％，重量减少率不大 当从30℃加热至250℃时超过3.00％

公开(公告)号：US20110065033A1

公开(公告)日：2011-03-17

申请号：US12881595

申请日：2010-09-14

申请人： Osamu UCHINOKURA ,  Fumihiro Sasaki ,  Satoshi Kojima ,  Daisuke Inoue

发明人： Osamu UCHINOKURA ,  Fumihiro Sasaki ,  Satoshi Kojima ,  Daisuke Inoue

IPC分类号： G03G13/04 ,  G03G9/08 ,  G03G21/18

CPC分类号： G03G13/20 ,  G03G9/0819 ,  G03G9/0827 ,  G03G9/08755 ,  G03G9/08782 ,  G03G9/08795 ,  G03G9/08797

摘要： A toner including a binder resin, a coloring agent, a releasing agent, and an additive, the releasing agent having a loss on heat of from 0.5 to 2.0% after being left at 165° C. for 10 minutes, the ratio (P2850/P828) of an absorption strength of a peak at 2,850 cm−1 ascribed to the releasing agent to an absorption strength of a peak at 828 cm31 1 ascribed to the binder resin ranging from 0.03 to 0.25 wherein the ratio is measured according to Fourier transform infrared spectroscopy-attenuated total reflectance (FTIR-ATR), and an amount of heat of melting ascribable to the releasing agent according to differential scanning calorimetry (DSC) ranging from 2 to 25 mj/mg.

摘要翻译： 包含粘合剂树脂，着色剂，脱模剂和添加剂的调色剂，在165℃下放置10分钟后，脱模剂的热损失为0.5〜2.0％，比例（P2850 / P828），归属于脱模剂的2,850cm -1处的峰的吸收强度为归属于0.03至0.25的粘合剂树脂的828cm31处的峰的吸收强度，其中该比率根据傅里叶变换红外 光谱衰减的全反射率（FTIR-ATR）和根据差示扫描量热法（DSC）范围为2至25mj / mg的归因于脱模剂的熔融热量。

公开(公告)号：US20110003244A1

公开(公告)日：2011-01-06

申请号：US12821546

申请日：2010-06-23

申请人： Daisuke INOUE ,  Fumihiro Sasaki ,  Osamu Uchinokura ,  Satoshi Kojima ,  Hideki Sugiura ,  Naoko Morisawa

发明人： Daisuke INOUE ,  Fumihiro Sasaki ,  Osamu Uchinokura ,  Satoshi Kojima ,  Hideki Sugiura ,  Naoko Morisawa

IPC分类号： G03G9/08 ,  G03G9/09 ,  G03G9/087 ,  G03G13/20

CPC分类号： G03G15/08 ,  G03G9/0804 ,  G03G9/0806 ,  G03G9/0819 ,  G03G9/0821 ,  G03G9/08755 ,  G03G9/09716

摘要： The toner includes a binder resin; a colorant; and a release agent. The first inter-particle force Fp(A) of the toner, which is measured under an environmental condition of 23° C. and 60% RH after the toner is pressed for 1 minute at 25° C. under a compression stress of 15 kg/cm2, is from 1.0×10−9 (N) to 1.0×10−6 (N). The difference (Fp(B)−Fp(A)) between the second inter-particle force Fp(B) of the toner, which is measured under the environmental condition of 23° C. and 60% RH after the toner is pressed for 1 minute at 50° C. under a compression stress of 15 kg/cm2, and the first inter-particle force Fp(A) is 0 (N) to 1.0×10−7 (N).

摘要翻译： 调色剂包括粘合剂树脂; 着色剂 和脱模剂。 调色剂的第一颗粒间力Fp（A）在调色剂在环境条件23℃和60％RH下测量，在25℃的压缩应力下在25℃下压制1分钟 / cm 2，为1.0×10 -9（N）〜1.0×10 -6（N）。 在调色剂被压制之后，在23℃的环境条件和60％RH下测量的调色剂的第二颗粒间力Fp（B）之间的差（Fp（B）-Fp（A））） 在50℃，15kg / cm2的压缩应力下1分钟，第一粒子间力Fp（A）为0（N）〜1.0×10-7（N）。

公开(公告)号：US20090067876A1

公开(公告)日：2009-03-12

申请号：US12202797

申请日：2008-09-02

申请人： Takuya SESHITA ,  Toyoshi Sawada ,  Tomomi Suzuki ,  Tsuneyasu Nagatomo ,  Satoshi Kojima

发明人： Takuya SESHITA ,  Toyoshi Sawada ,  Tomomi Suzuki ,  Tsuneyasu Nagatomo ,  Satoshi Kojima

IPC分类号： G03G15/00

CPC分类号： G03G21/00 ,  G03G9/0806 ,  G03G9/0819 ,  G03G9/0827 ,  G03G9/08755 ,  G03G9/0904 ,  G03G15/0291

摘要： An image forming method, including charging the surface of an image bearer with a charger; irradiating the charged surface of the image bearer to form a latent image; developing the latent image with a toner to form a visible toner image; transferring the toner image onto a transfer medium directly or through an intermediate transferer; removing the toner remaining on the surface of the image bearer with a cleaning blade; applying a lubricant to the surface of the image bearer; and fixing the toner image on the transfer medium, wherein the toner is a water-granulated toner having the following properties (1) to (4):(1) a volume-average particle diameter of from 3.0 to 7.0 μm; (2) an average shape factor SF-1 of from 120 to 160; (3) an average shape factor SF-2 of from 100 to 140; and (4) a BET specific surface area of from 2.5 to 7.0 m2/g.

摘要翻译： 一种图像形成方法，包括用充电器对图像载体的表面进行充电; 照射图像载体的带电表面以形成潜像; 用调色剂显影潜影以形成可见的调色剂图像; 直接或通过中间转印器将调色剂图像转印到转印介质上; 用清洁刮板去除残留在图像载体表面上的调色剂; 对图像承载体的表面施加润滑剂; 并将调色剂图像定影在转印介质上，其中调色剂是具有以下性质（1）至（4）的水粒状调色剂：（1）体积平均粒径为3.0至7.0μm; （2）120-160的平均形状因子SF-1; （3）平均形状因子SF-2为100〜140; 和（4）BET比表面积为2.5-7.0m2 / g。