公开(公告)号：US20240280927A1

公开(公告)日：2024-08-22

申请号：US18422555

申请日：2024-01-25

申请人： Shintaro YAMADA ,  Hiroaki KATOH ,  Akihiro KAWASAKI

发明人： Shintaro YAMADA ,  Hiroaki KATOH ,  Akihiro KAWASAKI

IPC分类号： G03G15/10 ,  G03G5/02 ,  G03G21/00

CPC分类号： G03G15/10 ,  G03G21/0088 ,  G03G5/0202 ,  G03G2215/0658

摘要： An image forming apparatus includes a conductive medium, an applying device, and a developing device. The applying device applies conductive liquid to a surface of the conductive medium to form an invisible image. The developing device adheres charged particles to the invisible image formed on the surface of the conductive medium to form a visible image.

公开(公告)号：US20230135510A1

公开(公告)日：2023-05-04

申请号：US17976899

申请日：2022-10-31

申请人： Shintaro YAMADA ,  Akihiro KAWASAKI ,  Hiroaki KATOH

发明人： Shintaro YAMADA ,  Akihiro KAWASAKI ,  Hiroaki KATOH

IPC分类号： G03G15/00 ,  G03G9/08 ,  G03G11/00

摘要： An image forming apparatus includes a latent image forming device and a visualizing device. The latent image forming device forms a latent image with an adhesive on a base material. The visualizing device causes particles to adhere to the latent image to visualize the latent image as an uneven image. The particles each contains an insoluble substance.

公开(公告)号：US20090052952A1

公开(公告)日：2009-02-26

申请号：US12197651

申请日：2008-08-25

申请人： Hiroaki KATOH ,  Naoki Nakatake ,  Hideaki Yasunaga ,  Kazuoki Fuwa ,  Yoshihiro Mikuriya ,  Masayuki Hagi

发明人： Hiroaki KATOH ,  Naoki Nakatake ,  Hideaki Yasunaga ,  Kazuoki Fuwa ,  Yoshihiro Mikuriya ,  Masayuki Hagi

IPC分类号： G03G15/08

CPC分类号： G03G21/0017 ,  G03G2215/0132 ,  G03G2215/0617 ,  G03G2221/183

摘要： An image forming apparatus including an image bearing member including a tube, the image bearing member to bear a latent electrostatic image, a development device including a pulverized toner including a resin, a coloring agent and a releasing agent component, the development device to develop the latent electrostatic image with the toner to form a visualized image on the image bearing member, a transfer device to transfer the visualized image to a recording medium, a fixing device including a fixing member, the fixing device to fix the visualized image on the recording medium and an elastic blade to remove the toner on the surface of the image bearing member, wherein the toner has a void ratio of from 52 to 58% and a toner torque of from 1.0 to 2.5 mNm according to a torque measuring method using a circular conical rotor and the following relationships (1) to (4) are satisfied: 45≦WA≦60   Relationship (1) 2×WA−40≦50×T≦2×WA+5   Relationship (2) 1.2≦t≦2.0   Relationship (3) 40×T−70≦15×t≦40×T−22   Relationship (4) where WA (%) represents a surface exposure amount of the releasing agent component of the toner, T (mNm) represents the toner torque at 58% of the void ratio and t (mm) represents a thickness of the tube.

公开(公告)号：US20100009282A1

公开(公告)日：2010-01-14

申请号：US12490739

申请日：2009-06-24

申请人： Hiroaki KATOH ,  Naoki Nakatake ,  Masayuki Hagi ,  Yoshitaka Sekiguchi ,  Kazuoki Fuwa ,  Yoshihiro Mikuriya ,  Hideaki Yasunaga

发明人： Hiroaki KATOH ,  Naoki Nakatake ,  Masayuki Hagi ,  Yoshitaka Sekiguchi ,  Kazuoki Fuwa ,  Yoshihiro Mikuriya ,  Hideaki Yasunaga

IPC分类号： G03G13/20 ,  G03G15/02 ,  G03G21/18

CPC分类号： G03G15/0233 ,  G03G9/09716 ,  G03G9/09725 ,  G03G2215/021

摘要： An image forming method, including charging the surface of an electrostatic latent image bearer by a charger; irradiating the surface of the electrostatic latent image bearer to form an electrostatic latent image thereon; developing the same with a toner to form a toner image; transferring the toner image onto a recording medium; and fixing the toner image thereon, wherein the charger is a charging roller contacting the electrostatic latent image bearer to charge the same, having a ten-point surface roughness of 5 to 30, and the toner includes a binder resin, a colorant, a release agent and an external additive including a composite oxide including titanium oxide in an amount of 80 to 95% by weight and silicon oxide, having a core-shell structure formed of a core including the titanium oxide and a shell including the silicon oxide and has a BET specific surface area of 50 to 100 m2/g.

摘要翻译： 一种图像形成方法，包括通过充电器对静电潜像载体的表面进行充电; 照射静电潜像载体的表面以在其上形成静电潜像; 用调色剂显影相同以形成调色剂图像; 将调色剂图像转印到记录介质上; 并且其上定影调色剂图像，其中所述充电器是与所述静电潜像载体接触以对其充电的充电辊，具有5至30的十点表面粗糙度，并且所述调色剂包括粘合剂树脂，着色剂，释放 试剂和外加剂，其包含含有80〜95重量％的氧化钛的复合氧化物和氧化硅，其具有由包含氧化钛的核心和包含氧化硅的壳体形成的核 - 壳结构，并且具有 BET比表面积为50〜100m2 / g。

公开(公告)号：US20080227009A1

公开(公告)日：2008-09-18

申请号：US12027704

申请日：2008-02-07

申请人： Kazuoki FUWA ,  Masayuki HAGI ,  Yoshihiro MIKURIYA ,  Hideaki YASUNAGA ,  Hiroaki KATOH ,  Yoshitaka SEKIGUCHI ,  Satoshi OGAWA

发明人： Kazuoki FUWA ,  Masayuki HAGI ,  Yoshihiro MIKURIYA ,  Hideaki YASUNAGA ,  Hiroaki KATOH ,  Yoshitaka SEKIGUCHI ,  Satoshi OGAWA

IPC分类号： G03G13/06 ,  G03G15/08

CPC分类号： G03G15/0812

摘要： A developing device including a developing roller and a developer layer forming member for forming a layer of a one component developer on the roller. The developing device satisfies the relationships (1) 20 Q/M>13.1α−44.5, wherein X represents the ratio (% by weight) of the wax present on the surface of the developer to the total of the wax therein; α represents the angle formed by a tangent line to the member at a point B, which is the center of the contact zone of the member contacted with the roller, and another tangent line at a point A thereof 0.5 mm apart from the point B toward the tip of the member, wherein α is 0 to π/2 radian; and Q/M represents the charge quantity (μC/g) of the toner per unit weight.

摘要翻译： 一种显影装置，包括显影辊和用于在辊上形成单组分显影剂层的显影剂层形成部件。 显影装置满足关系式（1）20 Q / M> 13.1alpha-44.5，其中X表示蜡上存在的蜡的比例（重量％） 显影剂的表面与其中的蜡的总量; α表示与作为与辊接触的构件的接触区域的中心的点B处的切线与构件形成的角度，并且在距离点B向距离点B距离为0.5mm的点A处的另一切线 该成员的尖端，其中α为0至pi / 2弧度; Q / M表示每单位重量的调色剂的电荷量（μC/ g）。