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1. 发明公开

US20230185209A1 RESIN PARTICLE, TONER, TONER ACCOMMODATING UNIT 审中-公开
公开(公告)号：US20230185209A1
公开(公告)日：2023-06-15
申请号：US18070507
申请日：2022-11-29
申请人： Kazuoki FUWA , Kohsuke SATOH , Toshihiko SUGIYAMA , Natsuko MATSUSHITA
发明人： Kazuoki FUWA , Kohsuke SATOH , Toshihiko SUGIYAMA , Natsuko MATSUSHITA
IPC分类号： G03G9/087
CPC分类号： G03G9/08755
摘要： A resin particle contains resin containing a tetrahydrofuran insoluble portion containing a non-linear polymer in which a non-linear prepolymer is cross-linked with a metal ion,

wherein the resin particle has a carbon-14 concentration of 5.4 pMC or greater,
wherein the tetrahydrofuran insoluble portion has a glass transition temperature of from −60 to lower than 0 degrees C. as measured by differential scanning calorimetry.

2. 发明公开

US20230288829A1 RESIN PARTICLES, TONER, DEVELOPER, TONER HOUSING UNIT, IMAGE FORMING APPARATUS, AND METHOD OF FORMING IMAGE 审中-公开
公开(公告)号：US20230288829A1
公开(公告)日：2023-09-14
申请号：US18115779
申请日：2023-03-01
申请人： Kazuoki FUWA , Yuka MIZOGUCHI , Junichi WATANABE , Toshihiko SUGIYAMA , Natsuko MATSUSHITA
发明人： Kazuoki FUWA , Yuka MIZOGUCHI , Junichi WATANABE , Toshihiko SUGIYAMA , Natsuko MATSUSHITA
IPC分类号： G03G9/09 , G03G9/087 , G03G15/08
CPC分类号： G03G9/0906 , G03G9/08755 , G03G9/08782 , G03G15/0865
摘要： [Summary] To provide resin particles with high weather resistance even when a plant-derived resin and PET are used as binder resins.
[Tasks] The Resin particles includes a binder resin and a colorant, wherein the binder resin contains polyethylene terephthalate and a plant-derived resin, wherein the colorant contains an isoindoline pigment, and wherein a radioisotope 14C concentration in the resin particles is 5.4 pMC or higher.

3. 发明公开

US20230273537A1 RESIN PARTICLES, TONER, DEVELOPER, TONER HOUSING UNIT, IMAGE FORMING APPARATUS, AND METHOD OF FORMING IMAGE 审中-公开
公开(公告)号：US20230273537A1
公开(公告)日：2023-08-31
申请号：US18109285
申请日：2023-02-14
申请人： Yuka MIZOGUCHI , Junichi WATANABE , Kazuoki FUWA , Toshihiko SUGIYAMA , Natsuko MATSUSHITA
发明人： Yuka MIZOGUCHI , Junichi WATANABE , Kazuoki FUWA , Toshihiko SUGIYAMA , Natsuko MATSUSHITA
IPC分类号： G03G9/087 , G03G15/08
CPC分类号： G03G9/08755 , G03G15/0865
摘要： [Summary] The invention is to provide resin particles capable of forming images with reduced environmental load, excellent low-temperature fixability, and chargeability characteristics, and excellent image quality can be obtained even when plant-derived resins are used.
[Tasks] Resin particles includes polyethylene terephthalate or polybutylene terephthalate, wherein a concentration of radioactive carbon isotope 14C in the resin particles is 10.8 pMC or more, and wherein the resin particles contain 0.05% by mass or more and 1% by mass or less of a divalent metal element excluding an external additive.

4. 发明公开

US20230280669A1 RESIN PARTICLES AND TONER 审中-公开
公开(公告)号：US20230280669A1
公开(公告)日：2023-09-07
申请号：US18113085
申请日：2023-02-23
申请人： Natsuko MATSUSHITA , Junichi WATANABE , Kazuoki FUWA , Yuka MIZOGUCHI
发明人： Natsuko MATSUSHITA , Junichi WATANABE , Kazuoki FUWA , Yuka MIZOGUCHI
IPC分类号： G03G9/087 , C08G63/183 , C08G18/73 , C08G18/42
CPC分类号： G03G9/08755 , C08G63/183 , C08G18/73 , C08G18/4213 , G03G9/08764
摘要： Resin particles are provided. The resin particles include one or more binder resins, a release agent, and a colorant. The one or more binder resins include an amorphous resin. The amorphous resin contains an alcohol component as one of the constituents thereof. The alcohol component includes a plant-derived alcohol component. The resin particles contain a tetrahydrofuran (THF)-insoluble component by an amount of from 5% by mass through 40% by mass.

5. 发明申请

US20180329326A1 TONER, IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND TONER STORED UNIT 审中-公开
公开(公告)号：US20180329326A1
公开(公告)日：2018-11-15
申请号：US15536531
申请日：2015-11-26
申请人： Natsuko MATSUSHITA , Tomomi SUZUKI , Kohtaroh OGINO , Tohru MORIYA
发明人： Natsuko MATSUSHITA , Tomomi SUZUKI , Kohtaroh OGINO , Tohru MORIYA
IPC分类号： G03G9/087 , G03G9/08 , G03G15/08
CPC分类号： G03G9/08797 , G03G9/081 , G03G9/0821 , G03G9/08755 , G03G9/08782 , G03G9/08795 , G03G15/08
摘要： Provided is a toner including at least a binder resin, and having peak ratio W/R of from 0.20 to 0.70 when measured with FT-IR according to ATR method, W/R being a ratio of height W of maximum spectral peak attributed to bisphenol A skeleton of the toner and observed at from 1,480 cm−1 to 1,520 cm−1 to height R of maximum spectral peak attributed to carbonyl group of the toner and observed at from 1,700 cm−1 to 1,750 cm−1, wherein molecular weight distribution of the toner obtained by GPC of THF-soluble component of the toner has main peak in a range of from 1,000 to 10,000, half value width of the molecular weight distribution is a molecular weight of 20,000 or less, and content of a THF-insoluble component in the toner is from 5% by mass to 40% by mass.

6. 发明申请

US20210018855A1 TONER, TONER STORED UNIT, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD 有权
公开(公告)号：US20210018855A1
公开(公告)日：2021-01-21
申请号：US16604058
申请日：2018-04-06
申请人： Toyoshi SAWADA , Kazumi SUZUKI , Natsuko MATSUSHITA , Yu NAITO
发明人： Toyoshi SAWADA , Kazumi SUZUKI , Natsuko MATSUSHITA , Yu NAITO
IPC分类号： G03G9/09 , G03G15/16 , G03G9/087
摘要： 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.

7. 发明申请

US20120048786A1 CLASSIFYING APPARATUS, CLASSIFYING METHOD, TONER AND METHOD FOR PRODUCING THE TONER 有权
标题翻译：分类装置，分类方法，调色剂和生产调色剂的方法
公开(公告)号：US20120048786A1
公开(公告)日：2012-03-01
申请号：US13209828
申请日：2011-08-15
申请人： Natsuko MATSUSHITA , Tetsuya TANAKA , Nobuyasu MAKINO
发明人： Natsuko MATSUSHITA , Tetsuya TANAKA , Nobuyasu MAKINO
IPC分类号： B04C3/00
CPC分类号： G03G9/0817
摘要： A classifying apparatus including a cylindrical casing, a powder material feeding port, a louver ring disposed in the casing to be in communication with the powder material feeding port in a horizontal direction, a center core, a separator core, a dispersion chamber defined by the center core and an inner wall of the casing at the powder material-fed side, a classification chamber defined by the center core, the separator core and a side inner wall of the casing, and a flow path encircling the louver ring, wherein in a horizontal cross section of part of the classifying apparatus where the part contains the powder material feeding port and the louver ring, the louver ring is located at a position where the louver ring does not intersect with an extended line of a wall surface of the powder material feeding port at the side of the louver ring.
摘要翻译：一种分级装置，包括圆筒形壳体，粉末材料供给口，布置在壳体中的与水平方向的粉末材料供给口连通的百叶窗环，中心芯，分离器芯，由中心芯和壳体在粉料供给侧的内壁，由中心芯，分离器芯和壳体的侧内壁限定的分级室以及围绕百叶窗环的流路，其中，分级装置的部分包含粉末材料供给口和百叶窗环的部分的水平横截面，百叶窗环位于通风孔环与粉末材料的壁表面的延伸线不相交的位置进气口位于百叶窗的一侧。

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