公开(公告)号：US10538434B2

公开(公告)日：2020-01-21

申请号：US15988439

申请日：2018-05-24

申请人： FUJI XEROX CO., LTD.

发明人： Sakae Takeuchi ,  Hiroyoshi Okuno ,  Hideaki Yoshikawa ,  Yasuo Kadokura ,  Yasunobu Kashima ,  Takeshi Iwanaga ,  Shunsuke Nozaki ,  Yuka Zenitani

IPC分类号： C01G23/08 ,  B01J35/00 ,  B01J21/06

摘要： A titanium oxide aerogel particle includes a metallic compound that has a metal atom and a hydrocarbon group, the metallic compound being bonded to a surface of the aerogel particle via an oxygen atom. The titanium oxide aerogel particle has a BET specific surface area of 120 m2/g to 1000 m2/g, and has absorption at wavelengths of 450 nm and 750 nm.

公开(公告)号：US10183275B2

公开(公告)日：2019-01-22

申请号：US15679476

申请日：2017-08-17

申请人： FUJI XEROX CO., LTD.

发明人： Hiroyoshi Okuno ,  Hideaki Yoshikawa ,  Yasunobu Kashima ,  Takeshi Iwanaga ,  Sakae Takeuchi

IPC分类号： B01J21/06 ,  B01J35/00 ,  C09C1/36

摘要： A titanium oxide particle includes a metal compound having a metal atom and a carbon atom and being bonded to a surface through an oxygen atom. The titanium oxide particle has absorption at a wavelength of 450 nm and a wavelength of 750 nm in a visible absorption spectrum and satisfies 0.03≤A≤0.3 where A represents a value of {(peak intensity of C—O bond+peak intensity of C═O bond)/(peak intensity of C—C bond+peak intensity of C═C bond)} in an XPS spectrum of a carbon 1s orbital.

公开(公告)号：US09946178B2

公开(公告)日：2018-04-17

申请号：US15218345

申请日：2016-07-25

申请人： FUJI XEROX CO., LTD.

发明人： Yasuo Kadokura ,  Hiroyoshi Okuno ,  Satoshi Inoue ,  Yoshifumi Iida ,  Tomohito Nakajima ,  Yuka Zenitani ,  Yoshifumi Eri ,  Yasuhisa Morooka ,  Shunsuke Nozaki ,  Takeshi Iwanaga ,  Sakae Takeuchi

IPC分类号： G03G9/097 ,  G03G9/087 ,  G03G15/08 ,  G03G9/08 ,  G03G9/113

CPC分类号： G03G9/08755 ,  G03G9/0819 ,  G03G9/0827 ,  G03G9/08782 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/09725 ,  G03G9/09766 ,  G03G9/1139 ,  G03G15/08 ,  G03G15/0865 ,  G03G2215/0132

摘要： A toner for electrostatic image development includes toner particles; and an external additive containing silica particles and polytetrafluorethylene particles, the silica particles having a compression-aggregation degree of 60% or more and 95% or less and a particle compression ratio of 0.20 or more and 0.40 or less.

公开(公告)号：US09864287B2

公开(公告)日：2018-01-09

申请号：US15219950

申请日：2016-07-26

申请人： FUJI XEROX CO., LTD.

发明人： Yoshifumi Iida ,  Hiroyoshi Okuno ,  Satoshi Inoue ,  Tomohito Nakajima ,  Yuka Zenitani ,  Yoshifumi Eri ,  Takeshi Iwanaga ,  Sakae Takeuchi ,  Shunsuke Nozaki ,  Yasuo Kadokura ,  Yasuhisa Morooka

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

CPC分类号： G03G9/0825 ,  G03G9/0808 ,  G03G9/08755 ,  G03G9/08782 ,  G03G9/09716 ,  G03G9/09725 ,  G03G15/08 ,  G03G15/0865 ,  G03G2215/0132

摘要： An electrostatic charge image developing toner includes kneaded and pulverized toner particles that contain a binder resin and a release agent, the release agent being partially exposed, and an external additive that contains silica particles having a compression aggregation degree of from 60% to 95% and a particle compression ratio of from 0.20 to 0.40.

公开(公告)号：US09835966B2

公开(公告)日：2017-12-05

申请号：US15218781

申请日：2016-07-25

申请人： FUJI XEROX CO., LTD.

发明人： Yasuhisa Morooka ,  Hiroyoshi Okuno ,  Satoshi Inoue ,  Yoshifumi Iida ,  Tomohito Nakajima ,  Yuka Zenitani ,  Yoshifumi Eri ,  Takeshi Iwanaga ,  Sakae Takeuchi ,  Shunsuke Nozaki ,  Yasuo Kadokura

IPC分类号： G03G9/113 ,  G03G21/18 ,  G03G9/08

CPC分类号： G03G9/1132 ,  G03G9/0819 ,  G03G9/09716 ,  G03G9/09725 ,  G03G9/1075 ,  G03G9/1131 ,  G03G15/08 ,  G03G21/18 ,  G03G2215/0132

摘要： An electrostatic charge image developer includes an electrostatic charge image developing toner that includes toner particles, and an external additive which is added to the toner particles and which includes silica particles whose compression aggregation degree is from 60% to 95% and particle compression ratio is from 0.20 to 0.40, and a carrier for developing an electrostatic charge image that includes a core particle and a resin coated layer which covers a surface of the core particle and that has a surface roughness Ra (based on JIS-B0601) of 0.5 μm or less and a circularity of 0.975 or more.

公开(公告)号：US09726998B1

公开(公告)日：2017-08-08

申请号：US15207770

申请日：2016-07-12

申请人： FUJI XEROX CO., LTD.

发明人： Yasuhisa Morooka ,  Hiroyoshi Okuno ,  Satoshi Inoue ,  Yoshifumi Iida ,  Tomohito Nakajima ,  Yuka Zenitani ,  Yoshifumi Eri ,  Takeshi Iwanaga ,  Sakae Takeuchi ,  Shunsuke Nozaki ,  Yasuo Kadokura

IPC分类号： G03G9/107 ,  G03G9/113 ,  G03G21/18 ,  G03G9/08 ,  G03G9/097

CPC分类号： G03G9/1132 ,  G03G9/0825 ,  G03G9/09716 ,  G03G9/09725 ,  G03G9/1075 ,  G03G9/1131 ,  G03G9/1139 ,  G03G21/18

摘要： An electrostatic charge image developer includes an electrostatic charge image developing toner that includes toner particles, and an external additive which is added to the toner particles and which includes silica particles whose compression aggregation degree is from 60% to 95% and particle compression ratio is from 0.20 to 0.40, and a carrier for developing an electrostatic charge image that has a core including a magnetic member in a binder resin for a core and a coating layer which coders a surface or the core and which includes a resin for a coating layer and has a surface roughness Ra of from 0.25 μm to 0.4 μm.

公开(公告)号：US10570020B2

公开(公告)日：2020-02-25

申请号：US15001950

申请日：2016-01-20

申请人： FUJI XEROX CO., LTD.

发明人： Hiroyoshi Okuno ,  Satoshi Inoue ,  Yoshifumi Iida ,  Tomohito Nakajima ,  Yuka Zenitani ,  Yoshifumi Eri ,  Yasuo Kadokura ,  Yasuhisa Morooka ,  Shunsuke Nozaki ,  Takeshi Iwanaga ,  Sakae Takeuchi

IPC分类号： C01B33/12

摘要： A silica particle has a compression and aggregation degree of from 60% to 95% and a particle compression ratio of from 0.20 to 0.40.

公开(公告)号：US10526493B2

公开(公告)日：2020-01-07

申请号：US15659946

申请日：2017-07-26

申请人： FUJI XEROX CO., LTD.

发明人： Koji Sasaki ,  Hiroyoshi Okuno ,  Yoshifumi Iida ,  Yuka Zenitani ,  Masahiro Takayama ,  Masashi Ikeda ,  Shunsuke Nozaki

IPC分类号： B32B5/16 ,  C09C1/30

摘要： A silica composite particle includes a silica particle and a compound in which a metal atom selected from the group consisting of Ti, Al, Zr, V, and Mg bonds to an organic group through oxygen, the silica particle being surface-treated with the compound. A coverage of a surface of the silica composite particle with the metal atom is 0.01 at % or more and 30 at % or less. When a binding energy peak of O1s in an oxide of the metal atom is assumed to be MO1s, a binding energy peak of O1s in SiO2 is assumed to be SO1s, and a binding energy peak of O1s in the silica composite particle is assumed to be MSO1s, the binding energy peaks being detected by X-ray photoelectron spectroscopy, the formula 0.000452×X2−0.059117×X+SO1s

公开(公告)号：US10061216B2

公开(公告)日：2018-08-28

申请号：US15225526

申请日：2016-08-01

申请人： FUJI XEROX CO., LTD.

发明人： Yuka Zenitani ,  Hiroyoshi Okuno ,  Satoshi Inoue ,  Yoshifumi Iida ,  Tomohito Nakajima ,  Yoshifumi Eri ,  Takeshi Iwanaga ,  Sakae Takeuchi ,  Shunsuke Nozaki ,  Yasuo Kadokura ,  Yasuhisa Morooka

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

CPC分类号： G03G9/0819 ,  G03G9/0827 ,  G03G9/08755 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/09716 ,  G03G9/09725 ,  G03G9/1131 ,  G03G9/1132 ,  G03G9/1139 ,  G03G15/08 ,  G03G15/0865 ,  G03G2215/0132

摘要： An electrostatic image developing toner contains: toner particles, first silica particles having an average equivalent circle diameter of 10 nm to 120 nm and second silica particles having a compressive agglomeration degree of 60% to 95%, a particle compression ratio of 0.20 to 0.40 and an average equivalent circle diameter being greater than the average equivalent circle diameter of the first silica particles.

公开(公告)号：US09885966B2

公开(公告)日：2018-02-06

申请号：US15251939

申请日：2016-08-30

申请人： FUJI XEROX CO., LTD.

发明人： Tomohito Nakajima ,  Hiroyoshi Okuno ,  Satoshi Inoue ,  Yoshifumi Iida ,  Yuka Zenitani ,  Yoshifumi Eri ,  Takeshi Iwanaga ,  Sakae Takeuchi ,  Shunsuke Nozaki ,  Yasuo Kadokura ,  Yasuhisa Morooka

IPC分类号： G03G9/08 ,  G03G9/097 ,  C08F212/08 ,  C08G63/195 ,  G03G9/087 ,  G03G15/08

CPC分类号： G03G9/08 ,  C08F212/08 ,  C08G63/195 ,  G03G9/0819 ,  G03G9/08755 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/09708 ,  G03G9/09716 ,  G03G9/09725 ,  G03G15/08 ,  G03G15/0865 ,  G03G2215/0132

摘要： An electrostatic charge image developing toner containing: toner particles; and silica particles having a compaction aggregation degree of from 60% to 95% and a particle compaction ratio of from 0.20 to 0.40, an electrostatic charge image developer containing the electrostatic charge image developing toner, and a toner cartridge that accommodates the electrostatic charge image developing toner and is detachable from an image forming apparatus.