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公开(公告)号：US10564571B2
公开(公告)日：2020-02-18
申请号：US16133825
申请日：2018-09-18
Applicant: Kazumi Suzuki , Toyoshi Sawada , Yu Naito , Natsuko Matsushita
Inventor： Kazumi Suzuki , Toyoshi Sawada , Yu Naito , Natsuko Matsushita
Abstract: A toner set for use in an image forming apparatus is provided. The toner set includes a fluorescent toner and a color toner. The fluorescent toner comprises a binder resin and a fluorescent agent. The color toner comprises a binder resin and a colorant. A 60-degree gloss value (Gf) of a solid image of the fluorescent toner is in a range of from 10 to 25, and a difference (Gn−Gf) between a 60-degree gloss value (Gn) of a solid image of the color toner and the 60-degree gloss value (Gf) of the solid image of the fluorescent toner is in a range of from 10 to 28.
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公开(公告)号：US10451987B2
公开(公告)日：2019-10-22
申请号：US16210003
申请日：2018-12-05
Applicant: Toyoshi Sawada , Kazumi Suzuki , Yu Naito
Inventor： Toyoshi Sawada , Kazumi Suzuki , Yu Naito
Abstract: A toner includes a europium complex represented by the following Chemical formula where A represents 2-naphthyl group, 2-naphthyl group having a substitution group selected from the group consisting of an alkyl group, an alkoxy group, and a halogen, R represents a fluoroalkyl group having one to three carbon atoms or a methyl group, and R1, R2, R3, and R4 each, independently represent hydrogen atoms, alkyl groups, or aryl groups, wherein the toner has a hydroxyl value of from 20 to 40 mgKOH/g.
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公开(公告)号：US20190086834A1
公开(公告)日：2019-03-21
申请号：US16133825
申请日：2018-09-18
Applicant: Kazumi SUZUKI , Toyoshi Sawada , Yu Naito , Natsuko Matsushita
Inventor： Kazumi SUZUKI , Toyoshi Sawada , Yu Naito , Natsuko Matsushita
CPC classification number: G03G15/0865 , G03G9/0821 , G03G9/087 , G03G9/0904 , G03G9/0906 , G03G9/091 , G03G9/0926 , G03G15/16 , G03G15/2064
Abstract: A toner set for use in an image forming apparatus is provided. The toner set includes a fluorescent toner and a color toner. The fluorescent toner comprises a binder resin and a fluorescent agent. The color toner comprises a binder resin and a colorant. A 60-degree gloss value (Gf) of a solid image of the fluorescent toner is in a range of from 10 to 25, and a difference (Gn−Gf) between a 60-degree gloss value (Gn) of a solid image of the color toner and the 60-degree gloss value (Gf) of the solid image of the fluorescent toner is in a range of from 10 to 28.
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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
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.
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5.发明授权公开(公告)号：US12019394B2
公开(公告)日：2024-06-25
申请号：US17459134
申请日：2021-08-27
Applicant: Toyoshi Sawada , Kazumi Suzuki , Katsunori Kurose , Akihiro Kaneko , Motoshi Iizuka
Inventor： Toyoshi Sawada , Kazumi Suzuki , Katsunori Kurose , Akihiro Kaneko , Motoshi Iizuka
CPC classification number: G03G9/09733 , G03G9/08704 , G03G15/201
Abstract: A toner includes polyolefin and has an exothermic peak in a range from 40° C. to 70° C. in a cooling process of the polyolefin by the DSC after a first heating process of the polyolefin by DSC. The polyolefin does not have an exothermic peak in the cooling process of the polyolefin by the DSC after the first heating process of the polyolefin by the DSC, and has an exothermic peak in a range from 0° C. to 30° C. in a second heating process of the polyolefin by the DSC.
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Patent Agency Ranking
6.发明公开公开(公告)号：US20240160121A1
公开(公告)日：2024-05-16
申请号：US18509057
申请日：2023-11-14
Applicant: Toyoshi Sawada , Kazumi Suzuki , Katsunori Kurose , Motoshi Iizuka
Inventor： Toyoshi Sawada , Kazumi Suzuki , Katsunori Kurose , Motoshi Iizuka
CPC classification number: G03G9/0825 , G03G9/0819 , G03G9/08755 , G03G9/08764 , G03G15/08
Abstract: A toner has a softening point Ts of below 50 degrees C. and a tangent method glass transition temperature Tg2nd of below 0 degrees C.
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7.发明公开公开(公告)号：US20240103408A1
公开(公告)日：2024-03-28
申请号：US18263360
申请日：2021-12-27
Applicant: Kazumi SUZUKI , Toyoshi Sawada , Katsunori Kurose , Akihiro Kaneko
Inventor： Kazumi SUZUKI , Toyoshi Sawada , Katsunori Kurose , Akihiro Kaneko
CPC classification number: G03G15/167 , G03G9/0902 , G03G9/103 , G03G2215/066 , G03G2215/1614 , G03G2215/2074
Abstract: An image forming method includes forming an electrostatic latent image on an electrostatic latent image bearer, developing the electrostatic image with a toner to form a visible image, transferring the visible image onto a recording medium, and fixing the transferred visible image on the recording medium. The toner includes toner base particles each including a binder resin, a release agent, and particles of an inorganic antibacterial antiviral agent, and satisfies conditions (1) to (3) below. The image forming method satisfies a relationship of 2.0X (micrometers)≤Z≤2.5X (micrometers). Conditions (1) the number average particle diameter X of the particles of the inorganic antibacterial antiviral agent is 1.5 (micrometers)≤X≤2.5 (micrometers), (2) 3X (micrometers)≤Y≤4X (micrometers), and (3) an amount of the inorganic antibacterial antiviral agent in the toner is 2.8% by mass or greater, but 5.0% by mass or less.
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8.发明授权Toner for image formation, and developer and image forming apparatus using the toner 有权用于图像形成的调色剂，以及使用调色剂的显影剂和图像形成装置公开(公告)号：US09594322B2
公开(公告)日：2017-03-14
申请号：US14471024
申请日：2014-08-28
Applicant: Suzuka Amemori , Tsuyoshi Sugimoto , Akinori Saito , Toyoshi Sawada , Keiji Makabe
Inventor： Suzuka Amemori , Tsuyoshi Sugimoto , Akinori Saito , Toyoshi Sawada , Keiji Makabe
CPC classification number: G03G9/08755 , G03G9/0821 , G03G9/08788 , G03G9/08793 , G03G9/08797
Abstract: A toner is provided. The toner includes a crosslinked polyester resin, and a block copolymer. The crosslinked polyester resin includes a diol component, which includes an aliphatic diol component having 3 to 10 carbon atoms in an amount of 50% by mole, and a crosslinked component, which is at least one of a crosslinked component of an aliphatic alcohol having three or more valences and a crosslinked component of an aliphatic acid having three or more valences, and the block copolymer includes a crystalline segment (a) and a non-crystalline segment (b). The toner has a first glass transition temperature (Tg1st) of from 20° C. to 50° C., which is determined by subjecting the toner to differential scanning calorimetry (DSC) and measuring a glass transition temperature in a first temperature rising process in the differential scanning calorimetry (DSC).
Abstract translation: 提供调色剂。 调色剂包括交联聚酯树脂和嵌段共聚物。 交联聚酯树脂包括二醇组分，其包含50摩尔％的碳原子数为3〜10的脂肪族二醇成分和交联成分，所述交联成分为脂肪族醇的交联成分中的至少一种， 或更多的化合价和具有三价或更多价的脂族酸的交联组分，并且嵌段共聚物包括结晶链段（a）和非结晶链段（b）。 调色剂具有20℃至50℃的第一玻璃化转变温度（Tg1st），其通过将调色剂经受差示扫描量热法（DSC）和在第一升温过程中测量玻璃化转变温度来测定 差示扫描量热法（DSC）。
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公开(公告)号：US08903270B2
公开(公告)日：2014-12-02
申请号：US13412195
申请日：2012-03-05
Applicant: Koichi Sakata , Shigenori Yaguchi , Toyoshi Sawada , Hitoshi Iwatsuki , Hiroyuki Kishida
Inventor： Koichi Sakata , Shigenori Yaguchi , Toyoshi Sawada , Hitoshi Iwatsuki , Hiroyuki Kishida
IPC: G03G15/09
CPC classification number: G03G15/0928
Abstract: A developing device including a developer bearing member containing a magnetic field generator having multiple magnetic poles and a developer containing chamber is provided. The developer containing chamber contains a two-component developer comprising magnetic carrier particles having a saturated magnetization of 58 to 70 emu/g in a magnetic field of 1KOe and toner particles, and has a divider to define an upper supply chamber and a lower collection chamber. The supply chamber includes a supply conveyer to supply the two-component developer to the developer bearing member at an upstream side from the developing area. The collection chamber includes a collection conveyer to collect the two-component developer from the developer bearing member at a downstream side from the developing area. The multiple magnetic poles includes three developer bearing poles capable of bearing the developer on its surface.
Abstract translation: 提供一种显影装置，其包括含有具有多个磁极的磁场发生器和显影剂容纳室的显影剂承载部件。 显影剂容纳室含有包含磁性载体颗粒的双组分显影剂，所述磁性载体颗粒在1KOe的磁场中具有58至70emu / g的饱和磁化强度和调色剂颗粒，并且具有分隔件以限定上部供应室和下部收集室 。 供给室包括供给输送器，用于在显影区域的上游侧将双组分显影剂供应到显影剂承载部件。 收集室包括收集传送器，用于在显影区域的下游侧从显影剂承载部件收集双组分显影剂。 多个磁极包括能够在其表面上承载显影剂的三个显影剂承载杆。
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10.发明授权Carrier for electrostatic latent image developer, electrostatic latent image developer formed of carrier and toner, and process cartridge using the developer 有权用于静电潜像显影剂的载体，由载体和调色剂形成的静电潜像显影剂，以及使用显影剂的处理盒公开(公告)号：US08778587B2
公开(公告)日：2014-07-15
申请号：US13648540
申请日：2012-10-10
Applicant: Kimitoshi Yamaguchi , Shigenori Yaguchi , Toyoshi Sawada , Hiroshi Tohmatsu , Hitoshi Iwatsuki , Toyoaki Tano
Inventor： Kimitoshi Yamaguchi , Shigenori Yaguchi , Toyoshi Sawada , Hiroshi Tohmatsu , Hitoshi Iwatsuki , Toyoaki Tano
CPC classification number: G03G9/0819 , G03G9/0823 , G03G9/107 , G03G9/1075 , G03G9/1131 , G03G9/1139
Abstract: A carrier for developing an electrostatic latent image, including a particulate core material having a magnetism having developed spontaneous magnetization; and a covering layer comprising an electroconductive material, covering the surface of the particulate core material, wherein the carrier has an electrical resistivity Log R [Ωcm] of from 8.0 to 12.0 when measured by a method, including filling the carrier in a cell containing a pair of facing electrodes, each having a surface area of 2×4 [cm2] with a gap of 2 [mm] therebetween; and applying a DC voltage of 1,000 [V] therebetween to measure a DC resistivity, and a weight-average particle diameter (Dw) of from 25 to 45 μm.
Abstract translation: 用于显影静电潜像的载体，包括具有显影自发磁化的磁性的颗粒状芯材料; 以及包括导电材料的覆盖层，其覆盖所述颗粒芯材料的表面，其中当通过包括将所述载体填充到电池中的方法测量时，所述载体具有8.0至12.0的电阻率Log R [＆OHgr; cm] 包含一对面对电极，每个面对电极的表面积为2×4 [cm 2]，间隙为2 [mm]; 在其间施加1000 [V]的直流电压，测定直流电阻率，重均粒径（Dw）为25〜45μm。
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