公开(公告)号：US20050008961A1

公开(公告)日：2005-01-13

申请号：US10879746

申请日：2004-06-30

Applicant: Takeshi Takada ,  Masahiro Ohki ,  Toyoshi Sawada ,  Keiko Shiraishi ,  Masashi Nagayama

Inventor： Takeshi Takada ,  Masahiro Ohki ,  Toyoshi Sawada ,  Keiko Shiraishi ,  Masashi Nagayama

IPC: C01G49/00 ,  G03G9/08 ,  G03G9/083 ,  G03G9/087 ,  G03G9/09 ,  G03G9/097

CPC classification number: G03G9/08755 ,  G03G9/0804 ,  G03G9/0806 ,  G03G9/0819 ,  G03G9/08764 ,  G03G9/08793 ,  G03G9/0902 ,  G03G9/09708

Abstract: A toner prepared by a method of dissolving or dispersing toner constituents comprising a modified resin capable of reacting with an active hydrogen and a colorant which is a black metallic material to prepare a solution or a dispersion; and reacting the solution or dispersion with at least one of a crosslinking agent and an elongation agent in an aqueous medium including a resin particulate material.

Abstract translation: 通过溶解或分散包含能够与活性氢反应的改性树脂和作为黑色金属材料的着色剂的调色剂组分以制备溶液或分散体的方法制备的调色剂; 并使溶液或分散体与包含树脂颗粒材料的水性介质中的至少一种交联剂和伸长剂反应。

公开(公告)号：US06653037B2

公开(公告)日：2003-11-25

申请号：US09988142

申请日：2001-11-19

Applicant: Toyoshi Sawada ,  Masanori Suzuki ,  Kohki Katoh ,  Yohichiroh Watanabe ,  Masahide Yamashita ,  Akihiro Kotsugai ,  Keiko Shiraishi

Inventor： Toyoshi Sawada ,  Masanori Suzuki ,  Kohki Katoh ,  Yohichiroh Watanabe ,  Masahide Yamashita ,  Akihiro Kotsugai ,  Keiko Shiraishi

IPC: G03G9083

CPC classification number: B82Y15/00 ,  G03G9/0819 ,  G03G9/0821 ,  G03G9/0823 ,  G03G9/0833 ,  G03G9/0835 ,  G03G9/0836 ,  G03G9/08782 ,  G03G9/0902 ,  G03G9/0904 ,  G03G9/09708 ,  G03G9/09716 ,  G03G9/09725

Abstract: A toner for developing latent electrostatic images is provided which contains, in a binder resin, at least a coloring agent formed from a metal material. A saturation magnetization of the toner is 0.01 to 10 emu/g, and a true specific gravity thereof is 1.33 to 1.62 g/m3. Also provided are an electrostatic charge image developer containing the toner for developing latent electrostatic images, an image forming device, and an image forming method using the toner for developing latent electrostatic images.

Abstract translation: 提供了用于显影静电图像的调色剂，其在粘合剂树脂中至少含有由金属材料形成的着色剂。 调色剂的饱和磁化强度为0.01〜10emu / g，真比重为1.33〜1.62g / m 3。 还提供了含有用于显影静电潜像的调色剂的静电电荷图像显影剂，图像形成装置和使用用于显影静电潜像的调色剂的图像形成方法。

公开(公告)号：US20230288841A1

公开(公告)日：2023-09-14

申请号：US18116855

申请日：2023-03-03

Applicant: Yuki KUMAKI ,  Kenji YABE ,  Toyoshi SAWADA ,  Kazumi SUZUKI

Inventor： Yuki KUMAKI ,  Kenji YABE ,  Toyoshi SAWADA ,  Kazumi SUZUKI

IPC: G03G15/08 ,  G03G9/09 ,  G03G15/20 ,  G03G9/087 ,  G03G15/01

CPC classification number: G03G15/0889 ,  G03G9/08704 ,  G03G9/09 ,  G03G15/0189 ,  G03G15/206 ,  G03G15/2064 ,  G03G2215/0607

Abstract: An image forming apparatus includes an electrostatic latent image bearer, an electrostatic latent image former, a developing device, a transfer device, and a fixing device. The electrostatic latent image former forms an electrostatic latent image on the electrostatic latent image bearer. The developing device develops the electrostatic latent image with a developer to form a toner image. The transfer device transfers the toner image on a recording medium. The fixing device fixes the toner image on the recording medium. The developer contains an adhesive medium and foamable particles.

公开(公告)号：US11061344B2

公开(公告)日：2021-07-13

申请号：US16604058

申请日：2018-04-06

Applicant: Toyoshi Sawada ,  Kazumi Suzuki ,  Natsuko Matsushita ,  Yu Naito

Inventor： Toyoshi Sawada ,  Kazumi Suzuki ,  Natsuko Matsushita ,  Yu Naito

IPC: G03G9/08 ,  G03G9/09 ,  G03G9/087 ,  G03G15/16

Abstract: Provided is a toner including a binder resin and a colorant, wherein the colorant includes Solvent Red 49, and an acid value of the toner is 9.0 mgKOH/g or greater but 30.0 mgKOH/g or less.

公开(公告)号：US09804515B2

公开(公告)日：2017-10-31

申请号：US14422270

申请日：2013-08-30

Applicant: Hideki Sugiura ,  Shinya Nakayama ,  Toyoshi Sawada

Inventor： Hideki Sugiura ,  Shinya Nakayama ,  Toyoshi Sawada

IPC: G03G9/087 ,  G03G9/08 ,  G03G9/093 ,  G03G9/107

CPC classification number: G03G9/0821 ,  G03G9/0804 ,  G03G9/0819 ,  G03G9/0825 ,  G03G9/0827 ,  G03G9/08755 ,  G03G9/08797 ,  G03G9/093 ,  G03G9/09371 ,  G03G9/107 ,  G03G2215/0607

Abstract: A toner of the present invention includes at least a colorant and a resin, has crystallinity CX or 20 or greater, and has a dynamic viscoelasticity characteristic in which a logarithmic value Log G′(50) of storage elastic modulus (Pa) at 50° C. is from 6.5 to 8.0 and a logarithmic value Log G′(65) of storage elastic modulus (Pa) at 65° C. is from 4.5 to 6.0, when the dynamic viscoelasticity characteristic is measured by temperature sweep from 40° C., at a frequency of 1 Hz, at a strain amount control of 0.1%, and at a temperature elevating rate of 2° C./min.

公开(公告)号：US20160091812A1

公开(公告)日：2016-03-31

申请号：US14891032

申请日：2013-11-27

Applicant: Keiji MAKABE ,  Tsuyoshi SUGIMOTO ,  Akinori SAITO ,  Suzuka AMEMORI ,  Toyoshi SAWADA ,  Hiroshi YAMASHITA ,  Shinya NAKAYAMA ,  Atsushi YAMAMOTO ,  Daisuke ASAHINA ,  Satoyuki SEKIGUCHI

Inventor： Keiji MAKABE ,  Tsuyoshi SUGIMOTO ,  Akinori SAITO ,  Suzuka AMEMORI ,  Toyoshi SAWADA ,  Hiroshi YAMASHITA ,  Shinya NAKAYAMA ,  Atsushi YAMAMOTO ,  Daisuke ASAHINA ,  Saloyuki SEKIGUCHI

IPC: G03G9/00

CPC classification number: G03G9/08788 ,  G03G9/08755 ,  G03G9/08791 ,  G03G9/08793 ,  G03G9/08795 ,  G03G9/08797 ,  G03G15/0126

Abstract: A toner includes a binder resin including a copolymer resin containing structural units derived from crystalline and non-crystalline resins, respectively. Spin-spin relaxation time (t50) of the toner at 50° C. measured by pulse NMR is ≦0.05 msec., spin-spin relaxation time (t130) at 130° C. when warmed from 50° C. to 130° C. is >15 msec., and spin-spin relaxation time (t′70) at 70° C. when cooled from 130° C. to 70° C. is ≦1.00 msec. A binarized image obtained by binarizing a phase image of the toner observed by a tapping mode AFM based on intermediate value between maximum and minimum phase difference values in the phase image includes first phase difference images constituted by large phase-difference portions and a second phase difference image constituted by a small phase-difference portion. The first phase difference images are dispersed in the second phase difference image. The dispersion diameter of the first phase difference images is 150 nm or less.

Abstract translation: 调色剂包括分别包含衍生自结晶和非结晶树脂的结构单元的共聚物树脂的粘合剂树脂。 通过脉冲NMR测量的调色剂在50℃下的自旋旋转弛豫时间（t50）在从50℃升温至130℃时为130℃时为自旋 - 自旋弛豫时间（t130） 当从130℃冷却至70℃时，C为> 15毫秒，70℃时的自旋 - 自旋弛豫时间（t'70）为1.00毫秒。 通过基于相位图像中的最大相位差值和最小相位差值之间的中间值二次化通过抽头模式AFM观察到的调色剂的相位图像而获得的二值化图像包括由大的相位差部分和第二相位差构成的第一相位差图像 图像由小的相位差部分构成。 第一相位差图像分散在第二相位差图像中。 第一相位差图像的色散直径为150nm以下。

公开(公告)号：US09176409B2

公开(公告)日：2015-11-03

申请号：US14047255

申请日：2013-10-07

Applicant: Masayuki Ishii ,  Toyoshi Sawada

Inventor： Masayuki Ishii ,  Toyoshi Sawada

IPC: G03G9/00 ,  G03G9/13 ,  G03G9/093

CPC classification number: G03G9/09321 ,  G03G9/09342 ,  G03G9/09371

Abstract: Toner contains a mother toner particle containing a binder resin and a coloring agent and an external additive to cover the mother toner particle, wherein the external additive contains a resin particle, wherein the resin particle has an outer shell layer formed of silica or modified silica, wherein the resin particle has a non-spherical form with a shape factor (SF) of 1.20 or greater as calculated by the following relationship 1, Shape factor(SF)=[(Absolute maximum length of particle)2/Projected area of particle)]×(π/4)  Relation 1.

Abstract translation: 调色剂含有含有粘合剂树脂和着色剂的母体调色剂颗粒和外部添加剂以覆盖母体调色剂颗粒，其中外部添加剂含有树脂颗粒，其中树脂颗粒具有由二氧化硅或改性二氧化硅形成的外壳层， 其特征在于，树脂粒子的形状因子（SF）为1.20以上，通过以下关系式1，形状因子（SF）= [（绝对最大粒子长度）2 /粒子的投影面积）计算出的非球形， ]×（＆pgr; / 4）关系1。

公开(公告)号：US09176406B2

公开(公告)日：2015-11-03

申请号：US13958745

申请日：2013-08-05

Applicant: Satoyuki Sekiguchi ,  Hiroshi Yamashita ,  Minoru Masuda ,  Susumu Chiba ,  Tatsuya Morita ,  Atsushi Yamamoto ,  Shinya Nakayama ,  Masahide Yamada ,  Kohsuke Nagata ,  Keiji Makabe ,  Toyoshi Sawada

Inventor： Satoyuki Sekiguchi ,  Hiroshi Yamashita ,  Minoru Masuda ,  Susumu Chiba ,  Tatsuya Morita ,  Atsushi Yamamoto ,  Shinya Nakayama ,  Masahide Yamada ,  Kohsuke Nagata ,  Keiji Makabe ,  Toyoshi Sawada

IPC: G03G9/00 ,  G03G9/087 ,  G03G9/13 ,  G03G9/08

CPC classification number: G03G9/08764 ,  G03G9/0804 ,  G03G9/08755 ,  G03G9/08795 ,  G03G9/08797

Abstract: Toner contains a binder resin containing a crystalline resin having a urethane and/or urea bonding; and a colorant, wherein in a diffraction spectrum of the toner as measured by an X-ray diffraction instrument, a ratio {C/(C+A)} of an integral intensity C of the spectrum derived from the crystalline structure to an integral intensity A of the spectrum derived from the non-crystalline structure is 0.12 or greater, wherein the toner satisfies the following relation 1: T1−T2≦30° C. (Relation 1), where T1 represents the maximum endothermic peak in the first temperature rising from 0° C. to 100° C. at the temperature rising rate of 10° C./min and T2 represents the maximum exothermic peak in the first temperature falling from 100° C. to 0° C. at the temperature falling rate of 10° C./min as T1 and T2 are measured by diffraction scanning calorimetry (DSC).

Abstract translation: 调色剂含有含有具有氨基甲酸酯和/或脲键合的结晶性树脂的粘合剂树脂; 和着色剂，其中在通过X射线衍射仪测量的调色剂的衍射光谱中，从晶体结构衍生的光谱的积分强度C与积分强度之比{C /（C + A）} 衍生自非晶体结构的光谱的A为0.12或更大，其中调色剂满足以下关系1：T1-T2＆nlE; 30℃（关系1），其中T1表示第一升温中的最大吸热峰 0℃至100℃，升温速率为10℃/分钟，T2表示在100℃至0℃的第一温度下的最大放热峰，温度下降速率为 10℃/ min，通过衍射扫描量热法（DSC）测量T1和T2。

公开(公告)号：US20150248073A1

公开(公告)日：2015-09-03

申请号：US14433770

申请日：2013-10-11

Applicant: Shinya Nakayama ,  Atsushi Yamamoto ,  Minoru Masuda ,  Susumu Chiba ,  Toyoshi Sawada ,  Hiroshi Yamashita

Inventor： Shinya Nakayama ,  Atsushi Yamamoto ,  Minoru Masuda ,  Susumu Chiba ,  Toyoshi Sawada ,  Hiroshi Yamashita

IPC: G03G9/00

CPC classification number: G03G9/08764 ,  G03G9/0821 ,  G03G9/08755 ,  G03G9/08788 ,  G03G9/08795 ,  G03G9/08797

Abstract: Provided is a toner containing a binder resin. The binder resin contains a crystalline resin. The toner has a maximum endothermic peak temperature (P1) of from 50° C. to 80° C. and a total endothermic amount (Q) of from 35 J/g to 90 J/g at a first temperature elevation of differential scanning calorimetry. A ratio (Qp/Q) of a total endothermic amount (Qp) of the toner in a temperature range of from 20° C. to the maximum endothermic peak temperature (P1) to the total endothermic amount (Q) of the toner is from 0.65 to 0.83.

Abstract translation: 提供含有粘合剂树脂的调色剂。 粘合剂树脂含有结晶性树脂。 在差示扫描量热法的第一温度升高下，调色剂具有50℃至80℃的最大吸热峰温度（P1）和35J / g至90J / g的总吸热量（Q） 。 调色剂在20℃至最大吸热峰温度（P1）的温度范围内的总吸热量（Qp）与总吸热量（Q）之间的比例（Qp / Q）来自 0.65〜0.83。

公开(公告)号：US20150212442A1

公开(公告)日：2015-07-30

申请号：US14607287

申请日：2015-01-28

Applicant: Masayuki ISHII ,  Toyoshi SAWADA ,  Keiji MAKABE

Inventor： Masayuki ISHII ,  Toyoshi SAWADA ,  Keiji MAKABE

IPC: G03G9/00

CPC classification number: G03G9/0819 ,  G03G9/09708 ,  G03G9/09725 ,  G03G9/09733

Abstract: A toner is provided. The toner includes mother toner particles. Each mother toner particle includes a binder resin and inorganic-layer-containing resin particles. Each inorganic-layer-containing resin particle includes a resin particle and an inorganic layer on the surface of the resin particle.

Abstract translation: 提供调色剂。 调色剂包括母体调色剂颗粒。 每个母体调色剂颗粒包括粘合剂树脂和含无机层的树脂颗粒。 每个含有无机层的树脂颗粒在树脂颗粒的表面上包括树脂颗粒和无机层。