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1. 发明授权

US10955765B2 Magnetic carrier and two-component developer 有权
公开(公告)号：US10955765B2
公开(公告)日：2021-03-23
申请号：US16686760
申请日：2019-11-18
申请人： CANON KABUSHIKI KAISHA
发明人： Yuto Onozaki , Ichiro Kanno , Ryo Nakajima , Kazuyuki Sakamoto , Nozomu Komatsu , Takakuni Kobori , Hiroyuki Fujikawa
IPC分类号： G03G9/113 , G03G9/107 , C08F220/18 , C08K3/11 , C08F212/08 , C08F265/06 , C09D125/14
摘要： A magnetic carrier comprising a magnetic carrier particle having a magnetic carrier particle having a magnetic carrier core particle and a resin coat layer formed on the magnetic carrier core particle surface, and inorganic fine particles A present on a surface of the magnetic carrier particle, wherein each of the inorganic fine particles A has a rectangular parallelepiped particle shape, the inorganic fine particles A have D1 of 10 to 60 nm, the inorganic fine particles A are inorganic particles which have been surface treated with a surface treatment agent or silane coupling agent-treated particles, SP1 of the resin coat layer and SP2 of the surface treatment agent satisfies SP1−SP2≤14.00, and the coverage ratio of the magnetic carrier surface by the inorganic fine particles A as measured by ESCA is 5.0 to 20.0 atom %: and a two-component developer comprising at least the magnetic carrier and a toner.

2. 发明授权

US10401748B2 Toner 有权
公开(公告)号：US10401748B2
公开(公告)日：2019-09-03
申请号：US15600929
申请日：2017-05-22
申请人： CANON KABUSHIKI KAISHA
发明人： Takeshi Hashimoto , Nozomu Komatsu , Yuto Onozaki , Akifumi Matsubara , Ichiro Kanno , Hitoshi Sano , Tsubasa Fujisaki , Masayuki Hama , Takakuni Kobori , Hiroyuki Fujikawa
IPC分类号： G03G9/087 , C08G63/12 , C08G63/85 , G01N15/08 , G03G9/08 , G03G9/097
摘要： A toner comprises a toner particle containing an amorphous polyester, wherein the amorphous polyester contains an amorphous polyester 1, the amorphous polyester contains a tin compound and a titanium compound, a Sn/Ti abundance ratio between Sn and Ti in the amorphous polyester according to x-ray fluorescence analysis is 20/80 to 80/20, and a weight-average molecular weight Mw1 of the amorphous polyester 1 according to measurement by gel permeation chromatography (GPC) is Mw1

3. 发明申请

US20170357168A1 MAGENTA TONER 审中-公开
公开(公告)号：US20170357168A1
公开(公告)日：2017-12-14
申请号：US15611865
申请日：2017-06-02
申请人： CANON KABUSHIKI KAISHA
发明人： Ichiro Kanno , Takeshi Hashimoto , Nozomu Komatsu , Masayuki Hama , Hitoshi Sano , Yuto Onozaki , Akifumi Matsubara , Takakuni Kobori , Hiroyuki Fujikawa , Tsubasa Fujisaki
IPC分类号： G03G9/09 , G03G9/08 , G03G9/087
CPC分类号： G03G9/091 , G03G9/0808 , G03G9/0819 , G03G9/08711 , G03G9/08755 , G03G9/08795 , G03G9/092
摘要： Provided is a magenta toner having a toner particle containing a binder resin, a wax and a colorant, wherein the colorant contains a specific amount of a compound (1), the colorant also contains one or more compounds selected from the group consisting of a naphthol compound, a quinacridone compound and a lake compound thereof in addition to the compound (1), and the binder resin contains a specific amount of a polyester resin.

4. 发明授权

US09720349B2 Developer supply kit, developer supplying device and image forming apparatus 有权
公开(公告)号：US09720349B2
公开(公告)日：2017-08-01
申请号：US14856912
申请日：2015-09-17
申请人： CANON KABUSHIKI KAISHA
发明人： Masato Yamaoka , Hiroyuki Fujikawa , Kunihiko Nakamura , Yusuke Yamada , Emi Watanabe , Nobuo Nakajima , Katsuya Murakami
IPC分类号： G03G15/08 , G03G15/01
CPC分类号： G03G15/087 , G03G15/01 , G03G15/0872 , G03G15/0874 , G03G15/0877
摘要： A developer supply kit detachably mountable to a developer supplying apparatus comprising a developer supply container and a developer accommodated therein, wherein the developer supply container includes, a developer accommodating portion accommodating the developer, a discharge opening for discharging the developer accommodated in the developer accommodating portion, a drive receiving portion to which a driving force is inputted from the developer supplying apparatus, and a pump portion operable so that an internal pressure of the developer accommodating portion alternately and repetitively changes between a pressure lower than a ambient pressure and a pressure higher than the ambient pressure, by the driving force received by the drive receiving portion, wherein the developer accommodated in the developer supply container includes toner containing binder resin material and a coloring material, the developer satisfies, 10≦E (mJ)≦80, 0.4≦Ea (mJ)≦2.0, where E is total energy when it is not aerated, and Ea is total energy when it is aerated.

5. 发明授权

US09348253B2 Image-forming method 有权
标题翻译：成像方法
公开(公告)号：US09348253B2
公开(公告)日：2016-05-24
申请号：US14879607
申请日：2015-10-09
申请人： CANON KABUSHIKI KAISHA
发明人： Ichiro Kanno , Takeshi Hashimoto , Hideki Kaneko , Masayuki Hama , Nozomu Komatsu , Takakuni Kobori , Hiroyuki Fujikawa
IPC分类号： G03G15/01 , G03G15/06 , G03G15/14 , G03G9/087
CPC分类号： G03G15/06 , G03G9/08704 , G03G9/08708 , G03G9/08711 , G03G9/08755 , G03G9/08782 , G03G9/08797 , G03G15/14 , G03G15/162 , G03G15/75
摘要： The present invention is an image-forming method in which, when θ(A) is the contact angle relative to water of a surface of a photosensitive member and θ(B) is the contact angle relative to water of a surface of an intermediate transfer member, θ(B) is from 100° to 150°; θ(A) and θ(B) satisfy −70°≦θ(A)−θ(B)
摘要翻译：本发明是一种图像形成方法，其中当（A）是感光构件的表面与水的相对水的接触角时，（B）是相对于表面的水的接触角中间转印部件，（B）为100°〜150°; （A）和＆amp; Thetas;（B）满足-70°＆nlE;＆thetas;（A） - ＆thetas;（B）<0°; 调色剂具有含有粘合剂树脂的调色剂颗粒; 并且调色剂的颗粒成型体的表面相对于水的接触角为60°至80°。

6. 发明申请

US20160139523A1 TONER 审中-公开
公开(公告)号：US20160139523A1
公开(公告)日：2016-05-19
申请号：US15006112
申请日：2016-01-25
申请人： CANON KABUSHIKI KAISHA
发明人： Hiroyuki Fujikawa , Kunihiko Nakamura , Nozomu Komatsu , Kosuke Fukudome , Yoshiaki Shiotari , Takayuki Itakura
IPC分类号： G03G9/087 , G03G9/08
CPC分类号： G03G9/08755 , G03G9/0815 , G03G9/0819 , G03G9/0821 , G03G9/087 , G03G9/08704 , G03G9/08782 , G03G9/08797 , G03G9/09708
摘要： A toner having toner particles, each of which contains a binder resin, a wax and inorganic fine particles, wherein the inorganic fine particles are fixed at the surface of the toner particles as a result of a surface treatment by hot air, and the degree of uneven distribution of wax in the toner is controlled in a depth direction of the toner, from the toner surface towards a toner central portion.

7. 发明申请

US20160011540A1 DEVELOPER SUPPLY KIT, DEVELOPER SUPPLYING DEVICE AND IMAGE FORMING APPARATUS 有权
标题翻译：开发商供应工具包，开发商供应设备和图像形成设备
公开(公告)号：US20160011540A1
公开(公告)日：2016-01-14
申请号：US14856912
申请日：2015-09-17
申请人： CANON KABUSHIKI KAISHA
发明人： Masato Yamaoka , Hiroyuki Fujikawa , Kunihiko Nakamura , Yusuke Yamada , Emi Watanabe , Nobuo Nakajima , Katsuya Murakami
IPC分类号： G03G15/08 , G03G15/01
CPC分类号： G03G15/087 , G03G15/01 , G03G15/0872 , G03G15/0874 , G03G15/0877
摘要： A developer supply kit detachably mountable to a developer supplying apparatus comprising a developer supply container and a developer accommodated therein, wherein the developer supply container includes, a developer accommodating portion accommodating the developer, a discharge opening for discharging the developer accommodated in the developer accommodating portion, a drive receiving portion to which a driving force is inputted from the developer supplying apparatus, and a pump portion operable so that an internal pressure of the developer accommodating portion alternately and repetitively changes between a pressure lower than a ambient pressure and a pressure higher than the ambient pressure, by the driving force received by the drive receiving portion, wherein the developer accommodated in the developer supply container includes toner containing binder resin material and a coloring material, the developer satisfies, 10≦E (mJ)≦80, 0.4≦Ea (mJ)≦2.0, where E is total energy when it is not aerated, and Ea is total energy when it is aerated.
摘要翻译：一种可拆卸地安装到显影剂供给装置上的显影剂供应装置，包括显影剂供应容器和容纳在其中的显影剂，其中显影剂供应容器包括容纳显影剂的显影剂容纳部分，用于将容纳在显影剂容纳部分中的显影剂排出的排出开口从显影剂供应装置输入驱动力的驱动器接收部分和可操作以使得显影剂容纳部分的内部压力在低于环境压力的压力和高于环境压力的压力之间交替重复地变化的泵部分环境压力通过由驱动器接收部分接收的驱动力，其中容纳在显影剂供应容器中的显影剂包括含有粘合剂树脂材料和着色材料的调色剂，显影剂满足10＆lt; E（mJ）＆nlE; 80,0.4 ＆nlE; Ea（mJ）＆nlE; 2.0，其中E是总计e 没有充气时的能量，Ea是充气时的总能量。

8. 发明申请

US20150185650A1 TONER AND TWO-COMPONENT DEVELOPER 有权
标题翻译：调色剂和双组分开发商
公开(公告)号：US20150185650A1
公开(公告)日：2015-07-02
申请号：US14568727
申请日：2014-12-12
申请人： CANON KABUSHIKI KAISHA
发明人： Takeshi Hashimoto , Hideki Kaneko , Nozomu Komatsu , Takakuni Kobori , Yosuke Iwasaki , Ichiro Kanno , Kohji Takenaka , Hiroyuki Fujikawa
IPC分类号： G03G9/087 , G03G9/107
CPC分类号： G03G9/081 , G03G9/08755 , G03G9/08793 , G03G9/08797
摘要： Provided is a toner obtained by melting and kneading a binder resin containing a polyester resin A and a polyester resin B, a colorant, and a wax, in which in the resin A, the content of a polyhydric alcohol unit derived from an aromatic diol, the content of a polyhydric alcohol unit derived from an oxyalkylene ether of a novolac type phenol resin, and the content of a polyvalent carboxylic acid unit derived from an aliphatic dicarboxylic acid, which contains a straight-chain hydrocarbon having 4 or more to 16 or less carbon atoms as a main chain and has carboxyl groups at both of its terminals, fall within specific ranges, and in the resin B, the content of a polyhydric alcohol unit derived from an aromatic diol and the content of a polyvalent carboxylic acid unit derived from an aromatic dicarboxylic acid or a derivative thereof fall within specific ranges.
摘要翻译：提供了通过将含有聚酯树脂A和聚酯树脂B，着色剂和蜡的粘合剂树脂熔融和捏合得到的调色剂，其中在树脂A中衍生自芳族二醇的多元醇单元的含量，衍生自酚醛清漆型酚醛树脂的氧化烯醚的多元醇单元的含量和来自脂肪族二羧酸的多元羧酸单元的含量，其含有4〜16个以下的直链烃碳原子作为主链并且在其末端具有羧基，落在特定范围内，并且在树脂B中，衍生自芳族二醇的多元醇单元的含量和衍生自芳族二醇的多元羧酸单元的含量芳族二羧酸或其衍生物落在特定范围内。

9. 发明申请

US20140329176A1 TONER AND IMAGE FORMING METHOD 审中-公开
标题翻译：调色剂和图像形成方法
公开(公告)号：US20140329176A1
公开(公告)日：2014-11-06
申请号：US14261140
申请日：2014-04-24
申请人： CANON KABUSHIKI KAISHA
发明人： Ichiro Kanno , Nozomu Komatsu , Takakuni Kobori , Takeshi Hashimoto , Yosuke Iwasaki , Hiroyuki Fujikawa , Hideki Kaneko
IPC分类号： G03G9/08
CPC分类号： G03G9/0825 , G03G9/0821 , G03G9/09725
摘要： Provided is a toner that allows a transferred image to be stably output regardless of smoothness of a transfer material even under high-temperature and high-humidity environment or under low-temperature and low-humidity environment, that is excellent in cleanability for a transfer member even at the time of high-speed printing, and that causes less member contamination. The toner is a toner including toner particles each containing a binder resin and a wax, and silica fine particles on surfaces of the toner particles, wherein the silica fine particles have a number-average particle diameter of primary particles of 60 nm or more and 300 nm or less, a coverage rate of the surfaces of the toner particles with the silica fine particles is 15% or more and 95% or less, and the toner has a uniaxial collapse stress at a maximum consolidation stress of 10.0 kPa, of 2.5 kPa or more and 3.5 kPa or less.
摘要翻译：提供了即使在高温高湿环境下或低温低湿环境下，即使转印材料的平滑度，转印图像也能稳定地输出的调色剂，对转印部件的清洁性优异即使在高速打印时，也会导致成员污染较少。调色剂是包含各自含有粘合剂树脂和蜡的调色剂颗粒和调色剂颗粒表面上的二氧化硅细颗粒的调色剂，其中二氧化硅细颗粒的初级颗粒的数均粒径为60nm以上且300以下 nm以下，二氧化硅微粒的调色剂颗粒的表面的覆盖率为15％以上且95％以下，调色剂在10.0kPa的最大固结应力为2.5kPa时具有单轴塌陷应力以上且3.5kPa以下。

10. 发明申请

US20200073263A1 TONER 审中-公开
公开(公告)号：US20200073263A1
公开(公告)日：2020-03-05
申请号：US16550410
申请日：2019-08-26
申请人： CANON KABUSHIKI KAISHA
发明人： Masayuki Hama , Yuto Onozaki , Takeshi Hashimoto , Megumi Shino , Ichiro Kanno , Nozomu Komatsu , Hiroyuki Fujikawa
IPC分类号： G03G9/083 , G03G9/08 , G03G9/087
摘要： A toner including a toner particle that contains a binder resin, and an inorganic fine particle, wherein the inorganic fine particle contains aggregated particles; the aggregated particles contain primary particles of at least one metal salt selected from the group consisting of titanate metal salts and zirconate metal salts; the primary particles have a number-average particle diameter of from 15 nm to 55 nm; the aggregated particles have an aggregation diameter of from 80 nm to 300 nm, the aggregated particles have a volume resistivity of from 2×109 Ω·cm to 2×1013 Ω·cm; and the aggregated particles cover a surface of the toner particle, and a coverage ratio of the aggregated particles with respect to the surface of the toner particle is from 0.3 area % to 10.0 area %.

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