公开(公告)号：US20200026210A1

公开(公告)日：2020-01-23

申请号：US16398867

申请日：2019-04-30

申请人： Yu HIRAI ,  Masayuki Ishii ,  Hyo Shu ,  Masayuki Kakimoto ,  Yoshitaka Sekiguchi ,  Shohta Kobayashi ,  Shinya Hanatani ,  Kohtaroh Ogino ,  Yasuaki Iwamoto

发明人： Yu HIRAI ,  Masayuki Ishii ,  Hyo Shu ,  Masayuki Kakimoto ,  Yoshitaka Sekiguchi ,  Shohta Kobayashi ,  Shinya Hanatani ,  Kohtaroh Ogino ,  Yasuaki Iwamoto

IPC分类号： G03G9/09 ,  G03G15/08 ,  G03G9/087 ,  G03G9/097 ,  G03G9/08

摘要： A toner is provided. The toner comprises a binder resin, a metal-containing azo dye, and a quaternary ammonium salt, has an average circularity of from 0.85 to 0.95, and is free of a tin compound having Sn—C bond.

公开(公告)号：US11036156B2

公开(公告)日：2021-06-15

申请号：US16778268

申请日：2020-01-31

申请人： Kohtaroh Ogino ,  Masayuki Ishii ,  Masayuki Kakimoto ,  Shohichi Sugimoto

发明人： Kohtaroh Ogino ,  Masayuki Ishii ,  Masayuki Kakimoto ,  Shohichi Sugimoto

IPC分类号： G03G9/08 ,  G03G9/097 ,  G03G15/08 ,  G03G9/09 ,  G03G9/087

摘要： A toner is provided which includes: a toner base particle including a binder resin; and an external additive including inorganic particles. A particle size distribution of primary particles of the inorganic particles has a plurality of peaks in the range of from 5 nm through 50 nm. The particle size distribution of the primary particles satisfies all of expressions (1) to (3) below: n1d>n2d  (1); 10

公开(公告)号：US11036152B2

公开(公告)日：2021-06-15

申请号：US16492986

申请日：2018-02-21

申请人： Shohta Kobayashi ,  Satoshi Ogawa ,  Yoshitaka Sekiguchi ,  Masayuki Ishii ,  Naoko Kitada

发明人： Shohta Kobayashi ,  Satoshi Ogawa ,  Yoshitaka Sekiguchi ,  Masayuki Ishii ,  Naoko Kitada

IPC分类号： G03G9/08 ,  G03G9/087 ,  G03G9/097 ,  G03G21/18

摘要： Provided is a toner including a binder resin, a release agent, and a charge-controlling agent, wherein the toner includes toner particles having particle diameters of 3 micrometers or smaller, among the toner particles having particle diameters of 3 micrometers or smaller, a proportion of the toner particles having an average circularity of 0.70 or greater but 0.85 or less in all of the toner particles is 10% by number or greater but less than 20% by number and a proportion of the toner particles having an average circularity of less than 0.70 in all of the toner particles is 10% by number or less.

公开(公告)号：US10754270B2

公开(公告)日：2020-08-25

申请号：US16492818

申请日：2018-02-15

申请人： Naoko Kitada ,  Satoshi Ogawa ,  Yoshitaka Sekiguchi ,  Masayuki Ishii ,  Shohta Kobayashi

发明人： Naoko Kitada ,  Satoshi Ogawa ,  Yoshitaka Sekiguchi ,  Masayuki Ishii ,  Shohta Kobayashi

IPC分类号： G03G9/08 ,  G03G9/097 ,  G03G9/087 ,  G03G21/18 ,  G03G15/08

摘要： Provided is a toner including a binder resin, and a charge-controlling agent, wherein a volume average particle diameter X of the toner after a stress treatment satisfies Formula (1), and an amount Y of fine toner particles having particle diameters of 3 micrometers or smaller and circularity of 0.70 or less satisfies Formula (2).

公开(公告)号：US20210026267A1

公开(公告)日：2021-01-28

申请号：US16929337

申请日：2020-07-15

申请人： Shinya HANATANI ,  Masayuki Ishii ,  Hyo Shu

发明人： Shinya HANATANI ,  Masayuki Ishii ,  Hyo Shu

IPC分类号： G03G9/087 ,  G03G9/09 ,  G03G9/113 ,  G03G15/08

摘要： A toner comprising base particles and external additive particles covering the base particles is provided. The base particles comprise a binder resin and a colorant. The external additive particles comprise at least one member selected from the group consisting of fluorine-containing aluminum hydroxide, fluorine-containing boehmite, and fluorine-containing pseudoboehmite.

公开(公告)号：US07318989B2

公开(公告)日：2008-01-15

申请号：US11498138

申请日：2006-08-03

申请人： Akihiro Kotsugai ,  Satoshi Mochizuki ,  Hisashi Nakajima ,  Yasuo Asahina ,  Osamu Uchinokura ,  Masayuki Ishii ,  Tomoyuki Ichikawa ,  Shinya Nakayama ,  Koichi Sakata ,  Tomoko Utsumi ,  Hitoshi Iwatsuki ,  Yasuaki Iwamoto ,  Hideki Sugiura ,  Masami Tomita

发明人： Akihiro Kotsugai ,  Satoshi Mochizuki ,  Hisashi Nakajima ,  Yasuo Asahina ,  Osamu Uchinokura ,  Masayuki Ishii ,  Tomoyuki Ichikawa ,  Shinya Nakayama ,  Koichi Sakata ,  Tomoko Utsumi ,  Hitoshi Iwatsuki ,  Yasuaki Iwamoto ,  Hideki Sugiura ,  Masami Tomita

IPC分类号： G03G9/087

CPC分类号： G03G9/0806 ,  G03G9/0819 ,  G03G9/0821 ,  G03G9/0825 ,  G03G9/0827 ,  G03G9/08755 ,  G03G9/08764 ,  G03G9/08791 ,  G03G9/08793 ,  G03G9/09716 ,  G03G9/09725

摘要： To provide a toner that can provide long-term removability and high-definition images with reduced image layer thickness and densely-packed toner particles, a developer capable of forming high-quality images using the toner, a toner container for containing the toner, a process cartridge using the toner, an image forming apparatus using the toner, and an image forming method using the toner. The toner of the present invention is a toner having a substantially spherical shape with irregularities on its surface and containing at least a binder resin and a colorant, wherein a surface factor SF-1 that represents the sphericity of toner particles is 105 to 180, a surface factor SF-2 that represents the degree of surface irregularities of the toner particles is correlated with the volume-average diameter of the toner particles, and the toner particles have an inorganic oxide particle-containing layer within 1 μm from their surfaces.

摘要翻译： 为了提供能够提供具有降低的图像层厚度和密集调色剂颗粒的长期可移除性和高清晰度图像的调色剂，能够使用调色剂形成高质量图像的显影剂，用于容纳调色剂的调色剂容器， 使用调色剂的处理盒，使用调色剂的图像形成装置和使用该调色剂的图像形成方法。 本发明的调色剂是具有基本上球形的调色剂，其表面上具有不规则性并且至少包含粘合剂树脂和着色剂，其中表示调色剂颗粒的球形度的表面系数SF-1为105至180， 表示调色剂颗粒的表面不规则度的表面系数SF-2与调色剂颗粒的体积平均直径相关，并且调色剂颗粒具有与其表面1μm以内的无机氧化物颗粒层。

公开(公告)号：US07261989B2

公开(公告)日：2007-08-28

申请号：US11400375

申请日：2006-04-10

申请人： Hideki Sugiura ,  Satoshi Mochizuki ,  Yasuaki Iwamoto ,  Yasuo Asahina ,  Hisashi Nakajima ,  Tomoyuki Ichikawa ,  Shinya Nakayama ,  Masayuki Ishii ,  Tomoko Utsumi ,  Koichi Sakata

发明人： Hideki Sugiura ,  Satoshi Mochizuki ,  Yasuaki Iwamoto ,  Yasuo Asahina ,  Hisashi Nakajima ,  Tomoyuki Ichikawa ,  Shinya Nakayama ,  Masayuki Ishii ,  Tomoko Utsumi ,  Koichi Sakata

IPC分类号： G03G9/00

CPC分类号： G03G9/0825 ,  G03G9/0872

摘要： The object of the present invention is to provide a toner which has sufficiently high chargeability and less toner spent to a carrier or the like even when several tens of thousands of image sheets are output, is capable of keeping high-charge property and flowability without causing substantial background smear or toner fogging, excels in low-temperature fixing property and hot-offset property, and has a wide range of fixing temperature as well as to provide a developer, an image forming apparatus, a process cartridge, and an image forming method using the toner for developing electrostatic images. The toner of the present invention comprises a colorant, and a resin, and a fluoride compound, in which the fluoride compound exists on the surfaces of toner particles, and the atomic number ratio (F/C) of fluoride atoms to carbon atoms existing on the surfaces of the toner particles is 0.010 to 0.054.

摘要翻译： 本发明的目的是提供一种调色剂，其具有充分的充电能力和较少的调色剂用于载体等，即使当数万张图像片材被输出时，能够保持高充电性和流动性而不会引起 实质背景污迹或调色剂雾化，具有低温定影性和热胶印性，并且具有广泛的定影温度以及提供显影剂，图像形成装置，处理盒和成像方法 使用调色剂显影静电图像。 本发明的调色剂包括着色剂，树脂和氟化合物，其中氟化物存在于调色剂颗粒的表面上，氟原子与碳原子上的原子数比（F / C）存在于 调色剂颗粒的表面为0.010至0.054。

公开(公告)号：US07258959B2

公开(公告)日：2007-08-21

申请号：US11234415

申请日：2005-09-26

申请人： Shinya Nakayama ,  Satoshi Mochizuki ,  Yasuaki Iwamoto ,  Yasuo Asahina ,  Kazuhiko Umemura ,  Hideki Sugiura ,  Hisashi Nakajima ,  Tomoyuki Ichikawa ,  Tomoko Utsumi ,  Koichi Sakata ,  Akihiro Kotsugai ,  Osamu Uchinokura ,  Masayuki Ishii

发明人： Shinya Nakayama ,  Satoshi Mochizuki ,  Yasuaki Iwamoto ,  Yasuo Asahina ,  Kazuhiko Umemura ,  Hideki Sugiura ,  Hisashi Nakajima ,  Tomoyuki Ichikawa ,  Tomoko Utsumi ,  Koichi Sakata ,  Akihiro Kotsugai ,  Osamu Uchinokura ,  Masayuki Ishii

IPC分类号： G03G9/00 ,  G03G5/00

CPC分类号： G03G9/0806 ,  G03G9/0823 ,  G03G9/08755 ,  G03G9/08764 ,  G03G9/08766 ,  G03G9/09716 ,  G03G9/09725 ,  G03G9/09741 ,  G03G9/09766

摘要： The object of the present invention is to provide a developer having a sharp charge amount distribution and bringing out high-quality image without substantially smearing a charging unit, developing units, a photoconductor, and an intermediate transferring member by the developer, namely, a developer capable of providing an appropriate image density and exhibiting extremely little background smear even when used over a long period of time and repeatedly used for a number of sheets of paper as well as to provide an image forming apparatus for electrophotography using the developer.

摘要翻译： 本发明的目的是提供一种具有尖锐的电荷量分布的显影剂，并且通过显影剂，即显影剂，显影剂，显影剂，显影剂，显影剂， 能够提供适当的图像浓度，并且即使在长时间使用并且重复使用多张纸时也显示极小的背景污迹，并且提供使用显影剂的电子照相的图像形成装置。

公开(公告)号：US07521164B2

公开(公告)日：2009-04-21

申请号：US12059199

申请日：2008-03-31

申请人： Shinya Nakayama ,  Satoshi Mochizuki ,  Yasuaki Iwamoto ,  Yasuo Asahina ,  Akihiro Kotsugai ,  Masayuki Ishii ,  Osamu Uchinokura ,  Hisashi Nakajima ,  Tomoyuki Ichikawa ,  Tomoko Utsumi ,  Koichi Sakata ,  Hideki Sugiura ,  Shigeru Emoto ,  Junichi Awamura ,  Masami Tomita ,  Takahiro Honda ,  Shinichiro Yagi ,  Tomomi Suzuki ,  Hiroshi Yamada ,  Toshiki Nanya ,  Hiroto Higuchi ,  Fumihiro Sasaki ,  Naohito Shimota

发明人： Shinya Nakayama ,  Satoshi Mochizuki ,  Yasuaki Iwamoto ,  Yasuo Asahina ,  Akihiro Kotsugai ,  Masayuki Ishii ,  Osamu Uchinokura ,  Hisashi Nakajima ,  Tomoyuki Ichikawa ,  Tomoko Utsumi ,  Koichi Sakata ,  Hideki Sugiura ,  Shigeru Emoto ,  Junichi Awamura ,  Masami Tomita ,  Takahiro Honda ,  Shinichiro Yagi ,  Tomomi Suzuki ,  Hiroshi Yamada ,  Toshiki Nanya ,  Hiroto Higuchi ,  Fumihiro Sasaki ,  Naohito Shimota

IPC分类号： G03G9/00

CPC分类号： G03G9/0804 ,  G03G9/0819 ,  G03G9/0821 ,  G03G9/0827 ,  G03G9/08708 ,  G03G9/08711 ,  G03G9/08755 ,  G03G9/08797

摘要： A toner which includes a toner material, wherein the toner satisfies the following formula: 0° C.≦ΔTm≦20° C. where ΔTm represents Tma (° C.)−Tmb (° C.), Tma (° C.) is ½ flown-out temperature of the toner by a capillary type flow tester, and Tmb (° C.) is ½ flown-out temperature of a melt kneaded mixture of the toner by the capillary type flow tester, and wherein Tma is from 130° C. to 200° C.

摘要翻译： 包含调色剂材料的调色剂，其中调色剂满足下列公式：<？in-line-formula description =“In-line formula”end =“lead”？> 0℃。<= DeltaTm <= 20℃ 其中DeltaTm表示Tma（°C） - Tmb（℃），Tma（℃）为½流量 - 通过毛细管型流动测试仪测量调色剂的温度，Tmb（℃）是通过毛细管型流动测试仪调色剂的熔融捏合混合物的1/2流出温度，其中Tma为130℃至 200°C

公开(公告)号：US20080268366A1

公开(公告)日：2008-10-30

申请号：US12059199

申请日：2008-03-31

申请人： Shinya Nakayama ,  Satoshi Mochizuki ,  Yasuaki Iwamoto ,  Yasuo Asahina ,  Akihiro Kotsugai ,  Masayuki Ishii ,  Osamu Uchinokura ,  Hisashi Nakajima ,  Tomoyuki Ichikawa ,  Tomoko Utsumi ,  Koichi Sakata ,  Hideki Sugiura ,  Shigeru Emoto ,  Junichi Awamura ,  Masami Tomita ,  Takahiro Honda ,  Shinichiro Yagi ,  Tomomi Suzuki ,  Hiroshi Yamada ,  Toshiki Nanya ,  Hiroto Higuchi ,  Fumihiro Sasaki ,  Naohito Shimota

发明人： Shinya Nakayama ,  Satoshi Mochizuki ,  Yasuaki Iwamoto ,  Yasuo Asahina ,  Akihiro Kotsugai ,  Masayuki Ishii ,  Osamu Uchinokura ,  Hisashi Nakajima ,  Tomoyuki Ichikawa ,  Tomoko Utsumi ,  Koichi Sakata ,  Hideki Sugiura ,  Shigeru Emoto ,  Junichi Awamura ,  Masami Tomita ,  Takahiro Honda ,  Shinichiro Yagi ,  Tomomi Suzuki ,  Hiroshi Yamada ,  Toshiki Nanya ,  Hiroto Higuchi ,  Fumihiro Sasaki ,  Naohito Shimota

IPC分类号： G03G9/08

CPC分类号： G03G9/0804 ,  G03G9/0819 ,  G03G9/0821 ,  G03G9/0827 ,  G03G9/08708 ,  G03G9/08711 ,  G03G9/08755 ,  G03G9/08797

摘要： A toner which includes a toner material, wherein the toner satisfies the following formula: 0° C.≦ΔTm≦20° C. where ΔTm represents Tma (° C.)−Tmb (° C.), Tma (° C.) is ½ flown-out temperature of the toner by a capillary type flow tester, and Tmb (° C.) is ½ flown-out temperature of a melt kneaded mixture of the toner by the capillary type flow tester, and wherein Tma is from 130° C. to 200° C.

摘要翻译： 包含调色剂材料的调色剂，其中调色剂满足下列公式：<？in-line-formula description =“In-line formula”end =“lead”？> 0℃。<= DeltaTm <= 20℃ 其中DeltaTm表示Tma（°C） - Tmb（℃），Tma（℃）为½流量 - 通过毛细管型流动测试仪测量调色剂的温度，Tmb（℃）是通过毛细管型流动测试仪调色剂的熔融捏合混合物的1/2流出温度，其中Tma为130℃至 200°C