公开(公告)号：US5679491A

公开(公告)日：1997-10-21

申请号：US759947

申请日：1996-12-03

Applicant: Tomomi Oshiba ,  Kenji Yamane ,  Hatsumi Yamada ,  Yuji Marukawa

Inventor： Tomomi Oshiba ,  Kenji Yamane ,  Hatsumi Yamada ,  Yuji Marukawa

IPC: G03G9/087 ,  G03G9/097

CPC classification number: G03G9/09741 ,  G03G9/08782 ,  G03G9/0975

Abstract: A toner used for developing an electrostatic charge image containing a coloring agent, a quaternary ammonium salt compound and polyolefin is disclosed. The quaternary ammonium salt compound is represented by formula (A) and have solubility to water of not more than 2.0%, and number-averaged dispersed diameter of polyolefin is 0.1 .mu.m-1.0 .mu.m. The toner satisfies formula (1); (1) 17

Abstract translation: 公开了用于显影含有着色剂，季铵盐化合物和聚烯烃的静电荷图像的调色剂。 季铵盐化合物由式（A）表示，并且对水的溶解度不大于2.0％，聚烯烃的数均分散直径为0.1μm-1.0μm。 调色剂满足式（1）;（1）17

公开(公告)号：US08507169B2

公开(公告)日：2013-08-13

申请号：US13406987

申请日：2012-02-28

Applicant: Tomoko Mine ,  Mikihiko Sukeno ,  Tatsuya Nagase ,  Tomomi Oshiba ,  Hiroyuki Kozuru ,  Saburou Hiraoka ,  Yoshiyasu Matsumoto ,  Kosuke Nakamura ,  Hitomi Motani ,  Takanari Kayamori

Inventor： Tomoko Mine ,  Mikihiko Sukeno ,  Tatsuya Nagase ,  Tomomi Oshiba ,  Hiroyuki Kozuru ,  Saburou Hiraoka ,  Yoshiyasu Matsumoto ,  Kosuke Nakamura ,  Hitomi Motani ,  Takanari Kayamori

IPC: G03G9/08

CPC classification number: G03G9/1133 ,  G03G9/1138 ,  G03G9/1139

Abstract: A two-component developer is disclosed, composing a toner comprising parent toner particles with an attached external additive and a carrier provided with a resin covering layer on a surface of a core particle, wherein the resin covering layer comprises a binder resin comprising an acrylic resin and when the resin covering layer is divided in half to a core particle side and a surface side, a nitrogen element content of the core particle side is larger than a nitrogen element content of the surface side.

Abstract translation: 公开了一种双组分显影剂，其包括具有附着的外部添加剂的母体调色剂颗粒和在芯颗粒的表面上设置有树脂覆盖层的载体的调色剂，其中所述树脂覆盖层包含粘合剂树脂，其包含丙烯酸树脂 并且当树脂被覆层被分成一半到芯粒子侧和表面侧时，核心粒子侧的氮元素含量​​大于表面侧的氮元素含量​​。

公开(公告)号：US20130189612A1

公开(公告)日：2013-07-25

申请号：US13727980

申请日：2012-12-27

Applicant: Hitomi MOTANI ,  Tomoko MINE ,  Tomomi OSHIBA

Inventor： Hitomi MOTANI ,  Tomoko MINE ,  Tomomi OSHIBA

IPC: G03G9/08

CPC classification number: G03G9/08 ,  G03G9/107 ,  G03G9/113 ,  G03G9/1133

Abstract: The present invention relates to a two-component developer which comprises a toner, and a carrier having a surface of a core material particle coated with a resin having a unit of general formula (1). The present invention provides a two-component developer which has enhanced environmental stability of carrier charging performance.

Abstract translation: 本发明涉及包含调色剂的双组分显影剂和具有用具有通式（1）单元的树脂涂覆的芯材颗粒的表面的载体。 本发明提供了具有增强载体充电性能的环境稳定性的双组分显影剂。

公开(公告)号：US20100260958A1

公开(公告)日：2010-10-14

申请号：US12732927

申请日：2010-03-26

Applicant: Yasuko UCHINO ,  Tomomi OSHIBA

Inventor： Yasuko UCHINO ,  Tomomi OSHIBA

IPC: B29D22/00

CPC classification number: B29C49/0005 ,  B29C49/04 ,  B29K2023/06 ,  B29K2023/12 ,  B29K2995/0063 ,  C08L23/06 ,  C08L23/12 ,  G03G15/0855 ,  G03G15/0865 ,  G03G15/0867 ,  Y10T428/1397

Abstract: Provided is a toner container exhibiting reduced environmental load and excellent strength together with moldability obtained via a blow molding method, even though a large capacity of the toner container is produced, and also provided is an image forming method employing this toner container. Disclosed is a toner container of the present invention possessing a resin containing at least one of polyethylene and polypropylene formed from raw material prepared via a fermentation method.

Abstract translation: 提供了即使制造大容量的调色剂容器，也可以提供使用该调色剂容器的图像形成方法，该调色剂容器通过吹塑法获得具有降低的环境负荷和优异的强度以及模塑性。 公开了本发明的调色剂容器，其具有含有由通过发酵方法制备的原料形成的聚乙烯和聚丙烯中的至少一种的树脂。

公开(公告)号：US20100151375A1

公开(公告)日：2010-06-17

申请号：US12630905

申请日：2009-12-04

Applicant: Tomomi OSHIBA ,  Yasuko UCHINO

Inventor： Tomomi OSHIBA ,  Yasuko UCHINO

IPC: G03G13/20 ,  G03G9/08

CPC classification number: G03G9/08791 ,  G03G9/08708 ,  G03G9/08726 ,  G03G9/08755 ,  G03G2215/0604

Abstract: An objective is to provide a toner product with which the difference between the water content of a toner in a toner container and the water content of another toner present in an image forming apparatus is minimized, and a sharp charging amount distribution can be obtained to form high-quality images; and also to provide an image forming method thereof. Also disclosed is a toner product in which a toner is stored in a toner container, wherein the toner possesses a toner particle having an amount of a carboxyl group present on a surface of the toner particle, being 1.0×10−7-2.5×10−5 mol/g, and the toner container is made of a resin containing polyethylene terephthalate, the amount of the carboxyl group determined via titration employing a strongly basic solution as a titration reagent after dispersing the toner in water.

Abstract translation: 目的是提供一种调色剂产品，其中调色剂容器中的调色剂的含水量与图像形成装置中存在的另一种调色剂的含水量之间的差异最小化，并且可以获得尖锐的充电量分布，以形成 高质量的图像; 并提供其图像形成方法。 还公开了一种调色剂产品，其中调色剂存储在调色剂容器中，其中调色剂具有在调色剂颗粒表面上存在的羧基量的调色剂颗粒为1.0×10-7-2.5×10 -5摩尔/克，并且调色剂容器由含有聚对苯二甲酸乙二醇酯的树脂制成，通过在将调色剂分散在水中之后通过使用强碱性溶液作为滴定试剂进行滴定测定的羧基量。

公开(公告)号：US20090286176A1

公开(公告)日：2009-11-19

申请号：US12427300

申请日：2009-04-21

Applicant: Ken OHMURA ,  Tomomi OSHIBA ,  Kishio TAMURA ,  Nagayuki UEDA

Inventor： Ken OHMURA ,  Tomomi OSHIBA ,  Kishio TAMURA ,  Nagayuki UEDA

IPC: G03G9/08

CPC classification number: G03G9/09766 ,  G03G9/08782 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/0906 ,  G03G9/09371 ,  G03G9/09708

Abstract: A set of a yellow toner, a magenta toner, a cyan toner and a black toner is disclosed. Each of the color toners contains a colored particle and cerium oxide particles, the colored particle containing an amorphous polyester resin, a crystalline polyester resin, a colorant and a releasing agent; and the yellow toner contains C.I. Pigment Yellow 74, the magenta toner contains C.I. Pigment Red 122 and C.I. Pigment Red 238, the cyan toner contains any one of C.I. Pigment Blue 15:1, C.I. Pigment Blue 15:2 and C.I. Pigment Blue 15:3, and the black toner contains carbon black and any one of C.I. Pigment Blue 15:1, C.I. Pigment Blue 15:2 and C.I. Pigment Blue 15:3.

Abstract translation: 公开了一组黄色调色剂，品红色调色剂，青色调色剂和黑色调色剂。 每种彩色调色剂含有着色颗粒和氧化铈颗粒，含有无定形聚酯树脂的着色颗粒，结晶聚酯树脂，着色剂和脱模剂; 黄色调色剂含有C.I. 颜料黄74，品红色调色剂含C.I. 颜料红122和C.I. 颜料红238，青色调色剂含有C.I. 颜料蓝15：1，C.I. 颜料蓝15：2和C.I. 颜料蓝15：3，黑色调色剂含有炭黑和C.I. 颜料蓝15：1，C.I. 颜料蓝15：2和C.I. 颜料蓝15：3。

公开(公告)号：US20080176162A1

公开(公告)日：2008-07-24

申请号：US11960070

申请日：2007-12-19

Applicant: Ken OHMURA ,  Hiroshi YAMAZAKI ,  Tomomi OSHIBA

Inventor： Ken OHMURA ,  Hiroshi YAMAZAKI ,  Tomomi OSHIBA

IPC: G03G9/08 ,  G03G9/10

CPC classification number: G03G9/0827 ,  G03G9/0804 ,  G03G9/0819 ,  G03G9/08755 ,  G03G9/09708

Abstract: Disclosed is a toner comprising toner particles comprising a binding resin and a colorant, wherein the toner particles exhibit an average circularity of 0.950 to 0.980, a volume-base median diameter of 4.5 to 8.0 μm and a volume-based particle size dispersion degree (CVvol) of 15 to 25 and contain a metal element selected from the group consisting of titanium, germanium and aluminum in an amount of 10 to 1500 ppm. A manufacturing method of the toner is also disclosed.

Abstract translation: 公开了一种调色剂，其包含包含粘合树脂和着色剂的调色剂颗粒，其中调色剂颗粒的平均圆形度为0.950〜0.980，体积基准中值粒径为4.5〜8.0μm，体积基准粒径分散度（CV 15〜25，含有10〜1500ppm的选自钛，锗，铝的金属元素。 还公开了调色剂的制造方法。

公开(公告)号：US06287740B1

公开(公告)日：2001-09-11

申请号：US09767095

申请日：2001-01-22

Applicant: Ken Ohmura ,  Tomomi Oshiba

Inventor： Ken Ohmura ,  Tomomi Oshiba

IPC: G03G9097

Abstract: A toner for electrophotography is disclosed. The toner comprises a binder resin and a colorant and a wax in amount of 0.5 to 8 percent by weight, and adhesion power index of wax particles to toner particles is between 0.7 and 2.2. The toner improves the durability of the developer material and a photoreceptor, minimizes image smear at high temperature and humidity, and exhibits excellent fixation as well as offsetting resistance.

公开(公告)号：US06248494B1

公开(公告)日：2001-06-19

申请号：US09452075

申请日：1999-11-30

Applicant: Hiroshi Yamazaki ,  Ken Ohmura ,  Tomomi Oshiba ,  Meizo Shirose ,  Shigenori Kouno

Inventor： Hiroshi Yamazaki ,  Ken Ohmura ,  Tomomi Oshiba ,  Meizo Shirose ,  Shigenori Kouno

IPC: G03G9097

CPC classification number: G03G9/09

Abstract: A toner for developing an electrostatic image is disclosed. The toner comprises colored particles containing a resin and a colorant, the volume average particle diameter of said colored particles is 3 to 9 &mgr;m, the shape coefficient of said colored particles, which is described by the formula below, is 1.3 to 2.2, and the ratio of toner particles having a shape coefficient of 1.5 to 2.0 is at least 80 percent by number. Shape coefficient=[(maximum diameter/2)2×&pgr;]/(projection area) A developer and image forming method employing the toner are also disclosed.

Abstract translation: 公开了用于显影静电图像的调色剂。 调色剂包含含有树脂和着色剂的着色颗粒，所述着色颗粒的体积平均粒径为3至9μm，由下式描述的所述着色颗粒的形状系数为1.3至2.2，并且 具有1.5至2.0的形状系数的调色剂颗粒的比例至少为80％。使用调色剂的显影剂和图像形成方法也被公开。

公开(公告)号：US06197468B1

公开(公告)日：2001-03-06

申请号：US09378899

申请日：1999-08-23

Applicant: Ken Ohmura ,  Tomomi Oshiba

Inventor： Ken Ohmura ,  Tomomi Oshiba

IPC: G03G9097

CPC classification number: G03G9/08704 ,  G03G9/08782

Abstract: A toner for electrophotography is disclosed. The toner comprises a binder resin and a colorant and a wax in amount of 0.5 to 8 percent by weight, and adhesion power index of wax particles to toner particles is between 0.7 and 2.2. The toner improves the durability of the developer material and a photoreceptor, minimizes image smear at high temperature and humidity, and exhibits excellent fixation as well as offsetting resistance.