公开(公告)号：US20170199476A1

公开(公告)日：2017-07-13

申请号：US15404292

申请日：2017-01-12

申请人： Hideyuki SANTOH ,  Tsuyoshi SUGIMOTO ,  Akinori SAITOH ,  Shin HASEGAWA ,  Suzuka AMEMORI ,  Kohsuke NAGATA ,  Koh OHNUMA

发明人： Hideyuki SANTOH ,  Tsuyoshi SUGIMOTO ,  Akinori SAITOH ,  Shin HASEGAWA ,  Suzuka AMEMORI ,  Kohsuke NAGATA ,  Koh OHNUMA

IPC分类号： G03G9/00

CPC分类号： G03G15/08 ,  G03G9/0806 ,  G03G9/08755 ,  G03G9/08797 ,  G03G9/09708

摘要： Toner that includes a polyester resin, fluorine and aluminum. The toner satisfies formulae (1) and (2), 1.00≧AB/B≧0.50   (1) 0≦(A−AB)/A≦0.25   (2) where A represents an area where the fluorine exists measured by Energy Dispersive X-ray Spectroscopy (EDS), B represents an area where the aluminum exists measured by Energy Dispersive X-ray Spectroscopy (EDS) and AB represents an overlapping area between A and B. Toner stored unit, image forming apparatus, and image forming method.

公开(公告)号：US20160349644A1

公开(公告)日：2016-12-01

申请号：US15152963

申请日：2016-05-12

申请人： Shin HASEGAWA ,  Tsuyoshi SUGIMOTO ,  Hideyuki SANTO ,  Koh OHNUMA ,  Kohsuke NAGATA ,  Suzuka KARATO

发明人： Shin HASEGAWA ,  Tsuyoshi SUGIMOTO ,  Hideyuki SANTO ,  Koh OHNUMA ,  Kohsuke NAGATA ,  Suzuka KARATO

IPC分类号： G03G9/087 ,  G03G9/08

CPC分类号： G03G9/08755 ,  G03G9/0804 ,  G03G9/0825 ,  G03G15/0126

摘要： A toner includes a base particle including a polyester resin and a colorant. A sea-island structure is observed by a transmission electron microscope (TEM) in a cross-sectional image of the toner. The island structure includes the colorant and has an average diameter of from 0.2 μm to 1.0 μm, and the number of the island structure is from 5 to 30.

摘要翻译： 调色剂包括包含聚酯树脂和着色剂的基础颗粒。 在调色剂的横截面图像中通过透射电子显微镜（TEM）观察海岛结构。 岛结构体包括着色剂，平均直径为0.2μm〜1.0μm，岛结构体数为5〜30。

公开(公告)号：US20160259257A1

公开(公告)日：2016-09-08

申请号：US15051195

申请日：2016-02-23

申请人： Tsuyoshi SUGIMOTO ,  Shinya NAKAYAMA ,  Hiroshi YAMADA ,  Hideyuki SANTO ,  Shin HASEGAWA ,  Suzuka KARATO ,  Kohsuke NAGATA ,  Koh OHNUMA

发明人： Tsuyoshi SUGIMOTO ,  Shinya NAKAYAMA ,  Hiroshi YAMADA ,  Hideyuki SANTO ,  Shin HASEGAWA ,  Suzuka KARATO ,  Kohsuke NAGATA ,  Koh OHNUMA

IPC分类号： G03G9/00 ,  C08G73/00 ,  C08G63/00 ,  C08F20/00 ,  C08G18/00

CPC分类号： G03G9/08755 ,  C08G18/4219 ,  C08G18/4247 ,  C08G18/755 ,  C08L67/00 ,  C08G18/10 ,  C08G18/3253

摘要： A toner includes a polyester resin including a polyester resin component A (A) insoluble in tetrahydrofuran; and a polyester resin component B (B) soluble in tetrahydrofuran. The toner has a first glass transition temperature (Tg1st) of from 20° C. to 50° C., measured at a first temperature rising in differential scanning calorimetry (DSC), and satisfies the following formulae (1) and (2): T=1/{a/(TgA+273)+b/(TgB+273)}−273  (1) T−TgAB>30×a  (2) wherein a and b represent weight ratios of (A) and (B) to a total weight of (A) and (B), and satisfy the equation a+b=1; and TgA, TgB and TgAB represent second glass transition temperatures (Tg2nd), measured at a second temperature rising in differential scanning calorimetry, of (A), (B), and a mixture of (A) and (B), respectively.

摘要翻译： 调色剂包括聚酯树脂，其包含不溶于四氢呋喃的聚酯树脂组分A（A） 和可溶于四氢呋喃的聚酯树脂组分B（B）。 调色剂的第一玻璃化转变温度（Tg1st）为20℃至50℃，在差示扫描量热法（DSC）中的第一次升温下测量，并满足下式（1）和（2）： 其中a和b表示（A）和（B）的重量比，T = 1 / {a /（TgA + 273）+ b /（TgB + 273） ）至（A）和（B）的总重量，并满足等式a + b = 1; TgA，TgB和TgAB分别表示在（A），（B）和（A）和（B）的混合物中在差示扫描量热法中升高的第二温度下测定的第二玻璃化转变温度（Tg2nd）。

公开(公告)号：US20130258005A1

公开(公告)日：2013-10-03

申请号：US13760317

申请日：2013-02-06

申请人： Shin HASEGAWA ,  Hiroyuki Fushimi

发明人： Shin HASEGAWA ,  Hiroyuki Fushimi

IPC分类号： C09D11/00 ,  B32B3/10

CPC分类号： C09D11/38 ,  B32B3/10 ,  C09D11/324 ,  Y10T428/24802

摘要： The inkjet ink includes at least a carbon black, a surfactant, a polyether-modified silicone oil having a polyoxyalkylene group in a side chain thereof, an anionic self-emulsifying polyether-modified polyurethane resin having a polyoxyalkylene group in a main chain thereof, and water. The inkjet ink contains particles having a particle diameter of not less than 0.5 μm in an amount of from 500,000 to 2,000,000 pieces per 5.0 μl, and has a volume average particle diameter (D50) of from 80 nm to 120 nm and a 90% cumulative particle diameter (D90) of from 160 nm to 200 nm.

摘要翻译： 喷墨油墨至少包含炭黑，表面活性剂，侧链中具有聚氧化烯基的聚醚改性硅油，在其主链中具有聚氧化烯基的阴离子自乳化聚醚改性聚氨酯树脂，以及 水。 喷墨油墨含有粒径不小于0.5μm的颗粒，每5.0mul为500,000至2,000,000个，体积平均粒径（D50）为80nm至120nm，累计累计90％ 粒径（D90）为160nm〜200nm。

公开(公告)号：US20120207984A1

公开(公告)日：2012-08-16

申请号：US13360949

申请日：2012-01-30

申请人： Shin HASEGAWA ,  Hiroyuki FUSHIMI

发明人： Shin HASEGAWA ,  Hiroyuki FUSHIMI

IPC分类号： B32B3/00 ,  B41J2/01 ,  B41J2/175 ,  C09D11/02 ,  C08K3/04

CPC分类号： C09D11/38 ,  C09D11/324 ,  Y10T428/24802

摘要： The inkjet ink includes a carbon black, a surfactant, water, and a water soluble organic solvent. The carbon black has a residue on sieve of from 0.1 ppm to 50 ppm, which is determined based on DIN ISO 787/18, and a statistical thickness surface area (STSA) of from 70 m2/g to 90 m2/g.

摘要翻译： 喷墨油墨包括炭黑，表面活性剂，水和水溶性有机溶剂。 炭黑在0.1ppm至50ppm的筛上残留物，其基于DIN ISO 787/18确定，统计厚度表面积（STSA）为70m 2 / g至90m 2 / g。

公开(公告)号：US20100278549A1

公开(公告)日：2010-11-04

申请号：US12833787

申请日：2010-07-09

申请人： Hitoshi ISHIBASHI ,  Kohta FUJIMORI ,  Shin HASEGAWA ,  Yushi HIRAYAMA ,  Nobutaka TAKEUCHI ,  Shinji KATO ,  Kayoko TANAKA ,  Naoto WATANABE ,  Kentaroh TOMITA ,  Satoru KOMATSUBARA ,  Akio KOSUGE

发明人： Hitoshi ISHIBASHI ,  Kohta FUJIMORI ,  Shin HASEGAWA ,  Yushi HIRAYAMA ,  Nobutaka TAKEUCHI ,  Shinji KATO ,  Kayoko TANAKA ,  Naoto WATANABE ,  Kentaroh TOMITA ,  Satoru KOMATSUBARA ,  Akio KOSUGE

IPC分类号： G03G15/02

CPC分类号： G03G15/0266 ,  G03G2215/021

摘要： An image forming apparatus includes an image carrier configured to carry an image and a charger to which a direct current voltage overlapped with an AC voltage is applied as a charging bias to charge the image carrier. The charger is positioned in contact or contactlessly with the image carrier. The AC voltage applied to the charger in an adjustment of the AC voltage is not less than twice a charging start voltage Vth at which the image carrier starts to be charged.

摘要翻译： 图像形成装置包括被配置为承载图像的图像载体和与AC电压重叠的直流电压的充电器作为充电偏压以对图像载体充电。 充电器与图像载体接触或非接触地定位。 在AC电压调节中施加到充电器的AC电压不小于图像载体开始充电的充电开始电压Vth的两倍。

公开(公告)号：US20090201334A1

公开(公告)日：2009-08-13

申请号：US12371537

申请日：2009-02-13

申请人： Shin HASEGAWA

发明人： Shin HASEGAWA

IPC分类号： B41J2/175

CPC分类号： B41J2/16508 ,  B41J2/16532

摘要： A liquid-droplet ejecting apparatus has a drawing mechanism and an ejection head. The ejection head has a nozzle face and a protection plate. The protection plate has a frame portion and a first end positioned at a first widthwise plane, and a second end positioned at a second widthwise plane. The protection plate has a first and a second opening formed therethrough. The first opening is in fluid communication with the nozzles, and the second opening provides fluid communication with the nozzles and an exterior of the ejection head. A cap member selectively contacts the nozzle face and the protection plate, and the drawing mechanism operates in a first mode in which the cap member covers the first and the second opening, and a second mode in which the cap member covers only one of the first and the second opening.

摘要翻译： 液滴喷射装置具有拉伸机构和喷射头。 喷头具有喷嘴面和保护板。 保护板具有框架部分和位于第一宽度方向平面的第一端以及位于第二宽度方向平面上的第二端。 保护板具有穿过其形成的第一和第二开口。 第一开口与喷嘴流体连通，第二开口提供与喷嘴和喷射头的外部的流体连通。 盖构件选择性地接触喷嘴面和保护板，并且牵引机构以盖构件覆盖第一和第二开口的第一模式工作，第二模式中盖构件仅覆盖第一和第二开口中的一个 和第二个开口。

公开(公告)号：US20150152275A1

公开(公告)日：2015-06-04

申请号：US14619297

申请日：2015-02-11

申请人： Minoru HAKIRI ,  Keishi TANIGUCHI ,  Shin HASEGAWA ,  Yuji NATORI ,  Yasuyuki HOSOGI ,  Shigeo HATADA

发明人： Minoru HAKIRI ,  Keishi TANIGUCHI ,  Shin HASEGAWA ,  Yuji NATORI ,  Yasuyuki HOSOGI ,  Shigeo HATADA

IPC分类号： C09D11/326 ,  C09D11/322

CPC分类号： C09D11/326 ,  C09B67/0002 ,  C09B67/0022 ,  C09D7/80 ,  C09D11/322 ,  C09D17/001

摘要： A method for preparing a pigment dispersion including subjecting a mixture including at least a pigment, a dispersant and water to a first dispersion treatment using a media mill to prepare a first dispersion; and then subjecting the first dispersion to a second dispersion treatment using a media-less mill to prepare the pigment dispersion, wherein the pigment in the pigment dispersion has an average particle diameter (D50) of from 20 to 130 nm for pigments except carbon black or from 70 to 180 for carbon black, and the standard deviation of the particle diameter of the pigment is less than the average particle diameter (D50) for pigments except carbon black or one half of the average particle diameter (D50) for carbon black. A pigment dispersion prepared by the method. An inkjet ink including the pigment dispersion and one member selected from water, water soluble organic solvents, and surfactants.

摘要翻译： 一种制备颜料分散体的方法，包括使用至少颜料，分散剂和水的混合物进行第一分散处理，使用介质研磨机制备第一分散体; 然后使用无介质研磨机对第一分散体进行第二分散处理以制备颜料分散体，其中颜料分散体中的颜料对于除炭黑之外的颜料的平均粒径（D50）为20至130nm， 对于炭黑为70〜180，颜料的粒径的标准偏差小于碳黑以外的颜料的平均粒径（D50）或炭黑的平均粒径（D50）的一半。 通过该方法制备的颜料分散体。 包括颜料分散体和选自水，水溶性有机溶剂和表面活性剂中的一种的喷墨油墨。

公开(公告)号：US20200231725A1

公开(公告)日：2020-07-23

申请号：US16744373

申请日：2020-01-16

申请人： Yuuki MATSUSHITA ,  Satoshi KOJIMA ,  Takayuki SHIMIZU ,  Shin HASEGAWA ,  Hiroki KOBAYASHI ,  Yukiko ISHIJIMA

发明人： Yuuki MATSUSHITA ,  Satoshi KOJIMA ,  Takayuki SHIMIZU ,  Shin HASEGAWA ,  Hiroki KOBAYASHI ,  Yukiko ISHIJIMA

IPC分类号： C08F220/18 ,  C09D11/38 ,  C09D11/322 ,  C08K5/5397

摘要： An active energy ray-curable composition is provided. The active energy ray-curable composition comprises a polymerizable compound and a polymerization initiator. The polymerizable compound comprises isobornyl acrylate. The active energy ray-curable composition gives, when centrifuged with a centrifugal force of 8×106 g, a supernatant with an absorbance at a wavelength of 700 nm of 0.02 or lower.

公开(公告)号：US20130258007A1

公开(公告)日：2013-10-03

申请号：US13832630

申请日：2013-03-15

申请人： Shin HASEGAWA ,  Hiroyuki Fushimi

发明人： Shin HASEGAWA ,  Hiroyuki Fushimi

IPC分类号： C09D11/00

CPC分类号： C09D11/40 ,  C09D11/322 ,  C09D11/38

摘要： An inkjet recording ink, including: a pigment; a water-soluble organic solvent; a surfactant; a polyether-modified silicone oil; a dispersing agent represented by the following General Formula (1) or (2); and water, wherein the water-soluble organic solvent contains: glycerin as a first water-soluble organic solvent; and a second water-soluble organic solvent, wherein the second water-soluble organic solvent is dipropylene glycol, 1,3-butanediol, 3-methyl-1,3-butanediol, 1,5-pentanediol, 1,6-hexanadiol, or any combination thereof, and wherein a mass ratio of the first water-soluble organic solvent:the second water-soluble organic solvent is 1:0.75 to 1:2.25, where R1 represents a C1-C20 alkyl group, an allyl group or an aralkyl group, L is an integer of 0 to 7, and n is an integer of 20 to 200, where m is an integer of 1 or greater.

摘要翻译： 一种喷墨记录油墨，包括：颜料; 水溶性有机溶剂; 表面活性剂; 聚醚改性硅油; 由以下通式（1）或（2）表示的分散剂; 和水，其中所述水溶性有机溶剂含有：甘油作为第一水溶性有机溶剂; 和第二水溶性有机溶剂，其中第二水溶性有机溶剂是二丙二醇，1,3-丁二醇，3-甲基-1,3-丁二醇，1,5-戊二醇，1,6-己二醇或1,6-己二醇 其第一水溶性有机溶剂：第二水溶性有机溶剂的质量比为1:0.75至1:2.25，其中R1表示C1-C20烷基，烯丙基或芳烷基 组中，L为0〜7的整数，n为20〜200的整数，m为1以上的整数。