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1. 发明授权

US11971683B2 Electrophotographic electro-conductive member, process cartridge, and electrophotographic image forming apparatus 有权
公开(公告)号：US11971683B2
公开(公告)日：2024-04-30
申请号：US17486162
申请日：2021-09-27
申请人： CANON KABUSHIKI KAISHA
发明人： Satoru Nishioka , Kazuhiro Yamauchi , Hiroaki Watanabe , Takumi Furukawa , Yasuhiro Fushimoto , Masahiro Kurachi , Kenji Takashima , Yuichi Kikuchi , Kana Sato
IPC分类号： G03G5/10 , G03G5/05 , G03G5/06 , G03G5/07 , G03G15/00 , G03G15/02 , G03G15/16 , G03G21/18
CPC分类号： G03G5/105 , G03G5/051 , G03G5/06 , G03G5/07 , G03G5/104 , G03G15/0233 , G03G15/1685 , G03G15/75 , G03G21/18
摘要： Provided an electrophotographic electro-conductive member that can stably suppress an occurrence of fogging in an electrophotographic image. The member comprises a support having an electro-conductive outer surface, and an electro-conductive layer on the outer surface of the support, the electro-conductive layer having a matrix including a cross-linked product of a first rubber, and domains dispersed in the matrix, the domains each includes a cross-linked product of a second rubber and an electro-conductive particle, at least some of the domains is exposed to the outer surface of the electro-conductive member to constitute protrusions on an outer surface of the member, the outer surface of the electro-conductive member is constituted by the matrix and the domains exposed to the outer surface of the electrophotographic electro-conductive member, the electrophotographic electro-conductive member has an impedance of 1.0×103Ω or more and 1.0×108Ω or less, and some of the domains satisfy two specific requirements.

2. 发明公开

US20230146111A1 ACTIVE OXYGEN SUPPLY DEVICE, DEVICE FOR CONDUCTING TREATMENT BY ACTIVE OXYGEN, AND METHOD FOR CONDUCTING TREATMENT BY ACTIVE OXYGEN 审中-公开
公开(公告)号：US20230146111A1
公开(公告)日：2023-05-11
申请号：US18090700
申请日：2022-12-29
申请人： CANON KABUSHIKI KAISHA
发明人： Takumi Furukawa , Kazuhiro Yamauchi , Masaki Ozawa , Kenji Takashima , Yuichi Kikuchi , Shota Kaneko , Masatsugu Hongo
IPC分类号： A61L2/20 , A61L2/10
CPC分类号： A61L2/202 , A61L2/10
摘要： An active oxygen supply device that is a plasma actuator equipped with a plasma generator and an ultraviolet light source in a housing having at least one opening, the plasma generator being provided with a first electrode and a second electrode with a dielectric in-between and creating an induced flow that contains ozone by applying a voltage between the two electrodes, in which the plasma actuator is positioned so that the induced flow flows outside the housing from an opening, and the ultraviolet light source irradiates the induced flow with ultraviolet rays and generates active oxygen in the induced flow; a device for conducting treatment by active oxygen; and a method for conducting treatment by active oxygen.

3. 发明授权

US11640122B2 Electroconductive member, process cartridge, and image forming apparatus 有权
公开(公告)号：US11640122B2
公开(公告)日：2023-05-02
申请号：US17806015
申请日：2022-06-08
申请人： CANON KABUSHIKI KAISHA
发明人： Yuichi Kikuchi , Satoru Nishioka , Kenji Takashima , Kazuhiro Yamauchi , Masahiro Kurachi , Takumi Furukawa , Hiroaki Watanabe , Kenya Terada , Yuya Tomomizu , Toshimitsu Nakazawa
IPC分类号： G03G21/16 , G03G15/02 , C08K3/04 , C08K3/26 , C08L19/00 , G03G21/18
摘要： Provided is an electrophotographic electroconductive member including an electroconductive support and an electroconductive layer on the support, an electroconductive member is used, in which an electroconductive layer has a matrix comprising a first rubber, and domains dispersed in the matrix, the domains each comprising a second rubber and an electronic electroconductive agent, and for impedance measured by applying an AC voltage with an amplitude of 1 V to the electroconductive layer while varying frequencies between 1.0×10−2 Hz to 1.0×107 Hz under a specific environment, when a double logarithmic plot with a frequency on an abscissa and an impedance on an ordinate is obtained, a slope on a high frequency side is −0.8 or more and —0.3 or less, and the impedance a low frequency side is from 1.0×103 to 1.0×107Ω.

4. 发明申请

US20220244673A1 ELECTROCONDUCTIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC IMAGE FORMATION DEVICE 有权
公开(公告)号：US20220244673A1
公开(公告)日：2022-08-04
申请号：US17658696
申请日：2022-04-11
申请人： CANON KABUSHIKI KAISHA
发明人： Kenji Takashima , Kazuhiro Yamauchi , Satoru Nishioka , Yuichi Kikuchi , Takumi Furukawa , Masaki Yamada
IPC分类号： G03G15/00 , C08K3/04 , C08L9/06 , C08G18/44 , C08G18/42 , C09D175/06 , F16C13/00 , H01B1/24
摘要： Provided is an electrophotographic electroconductive member, including: an electroconductive support; an electroconductive layer; and a surface layer in order, wherein an impedance is 1.0×103Ω to 1.0×108Ω at an outer surface of the electroconductive member, in the surface layer, an electronic electroconductive agent is dispersed, the electroconductive layer has a matrix containing a cross-linked product of a first rubber and domains each containing a cross-linked product of a second rubber and electroconductive particles, and wherein, and wherein among the domains observed in specified observation regions, 80% by number or more of the domains satisfy (1) and (2): (1) a proportion of sectional areas of the electroconductive particles with respect to the domain is 20% or more; (2) A/B is 1.00 to 1.10 when A is a perimeter of the domain and B is an envelope perimeter.

5. 发明申请

US20200310264A1 ELECTRO-CONDUCTIVE MEMBER FOR ELECTROPHOTOGRAPHY, PROCESS CARTRIDGE FOR ELECTROPHOTOGRAPHIY, AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS 审中-公开
公开(公告)号：US20200310264A1
公开(公告)日：2020-10-01
申请号：US16825611
申请日：2020-03-20
申请人： CANON KABUSHIKI KAISHA
发明人： Masahiro Kurachi , Kazuhiro Yamauchi , Satoru Nishioka , Kenji Takashima , Yuichi Kikuchi
IPC分类号： G03G5/10 , G03G21/18 , G03G15/00
摘要： The electro-conductive member has an electro-conductive support, and an electro-conductive layer in this order, the electro-conductive layer including a matrix and domains, the matrix constituted by a first rubber composition containing a cross-linked product of a first rubber, the domains having electro-conductivity, and dispersed in the matrix, each of the domains constituted by a second rubber composition containing a cross-linked product of a second rubber and an electro-conductive particle, the first rubber and the second rubber being diene-based rubbers, the first rubber having at least one monomer unit, the second rubber having at least one monomer unit different from the monomer unit which the first rubber has; a difference of absolute values of SP values between the first rubber and the second rubber is 0.2 (J/cm3)0.5 to 4.0 (J/cm3)0.5; and a tan δ1/tan δ2 is 0.45 to 2.00.

6. 发明申请

US20180088476A1 ELECTROPHOTOGRAPHIC ELECTROCONDUCTIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS 审中-公开
公开(公告)号：US20180088476A1
公开(公告)日：2018-03-29
申请号：US15698018
申请日：2017-09-07
申请人： CANON KABUSHIKI KAISHA
发明人： Kenji Takashima , Kazuhiro Yamauchi , Masahiro Kurachi , Yuichi Kikuchi
IPC分类号： G03G5/14 , G03G15/02 , G03G15/08 , G03G15/16
摘要： An electrophotographic electroconductive member which keeps high discharge performance even in use under a high temperature and high humidity environment is provided. The electroconductive member includes an electroconductive substrate, and a surface layer including a net-like structural body disposed on the electroconductive substrate, wherein the net-like structural body includes non-electroconductive fibers containing a radiation degradable resin.

7. 发明授权

US09487436B2 Optical member, image pickup apparatus, and method for manufacturing optical member 有权
标题翻译：光学部件，摄像装置及光学部件的制造方法
公开(公告)号：US09487436B2
公开(公告)日：2016-11-08
申请号：US14358912
申请日：2012-11-12
申请人： CANON KABUSHIKI KAISHA
发明人： Naoyuki Koketsu , Zuyi Zhang , Yoshinori Kotani , Akiko Takei , Akira Sugiyama , Kenji Takashima
IPC分类号： C03C17/02 , C03C15/00 , C03C17/00 , C03C11/00
CPC分类号： C03C17/02 , C03C11/005 , C03C15/00 , C03C17/006 , C03C2217/425 , C03C2217/91 , G02B2207/107 , Y10T428/249969
摘要： The present invention provides an optical member including a porous glass film on a base member, wherein a ripple is suppressed.The optical member includes the base member and the porous glass film disposed on the base member, wherein the porosity increases in the direction from the base member toward the porous glass film in an interfacial region between the base member and the porous glass film and the porosity is continuous in the film thickness direction from the base member to the surface of the porous glass film in the optical member.
摘要翻译：光学构件包括基底构件和设置在基底构件上的多孔玻璃膜，其中在基底构件和多孔玻璃膜之间的界面区域中孔隙率从基底向多孔玻璃膜的方向增加，孔隙率在从光学部件的基材到多孔玻璃膜的表面的膜厚度方向上连续。

8. 发明授权

US09426338B2 Imaging apparatus and image forming apparatus having continuous pores in three dimensions in porous body 有权
标题翻译：在多孔体中具有三维连续孔的成像装置和成像装置
公开(公告)号：US09426338B2
公开(公告)日：2016-08-23
申请号：US14321479
申请日：2014-07-01
申请人： CANON KABUSHIKI KAISHA
发明人： Zuyi Zhang , Yoshinori Kotani , Akira Sugiyama , Kenji Takashima , Naoyuki Koketsu
IPC分类号： G06F15/00 , G06F3/12 , G06K1/00 , H04N5/225 , C03C11/00 , G02B27/00 , G03B11/00 , G06K15/02 , H04N1/193
CPC分类号： G02B27/0006 , C03C11/005 , G02B1/118 , G03B11/00 , G03B2205/0061 , G06K15/02 , H04N1/193 , H04N5/2251
摘要： An imaging apparatus for imaging a subject image from a lens on an imaging element through an optical filter has a porous body having pores which three dimensionally communicate with each other at least at a side opposite to the imaging element of the optical filter.
摘要翻译：一种用于通过滤光器从成像元件上的透镜对被摄体图像进行成像的成像设备具有至少在与滤光器的成像元件相对的一侧彼此三维地连通的孔的多孔体。

9. 发明申请

US20160222546A1 GLOSSY MEMBER AND METHOD OF PRODUCING THE MEMBER 审中-公开
标题翻译： GLOSSY会员和生产会员的方法
公开(公告)号：US20160222546A1
公开(公告)日：2016-08-04
申请号：US15006334
申请日：2016-01-26
申请人： CANON KABUSHIKI KAISHA
发明人： Tetsuo Hino , Kenji Takashima , Kazuhiro Yamauchi
IPC分类号： D01D5/00 , D01F6/16
CPC分类号： D01D5/0084 , D01D5/003 , D01D5/0092 , D10B2321/08 , D10B2401/20
摘要： Provided is a glossy member, including: a polymer substrate; and a polymer fiber assembly disposed on the polymer substrate, in which: the polymer fiber assembly has polymer fibers oriented in a given direction; an absolute value of a difference between an average solubility parameter of a constituent material for the polymer substrate and an average solubility parameter of a polymer material of the polymer fibers is less than 5 (J/cm3)1/2; the polymer fibers have an orientation degree of 90% or more; the polymer fibers have fiber diameters of 0.05 μm or more and 5 μm or less; and in at least part of a repeating unit structure in the polymer material, a dipole moment is 0 D or more and 3.50 D or less, and an absolute value of a SOMO is 9 eV or more and 12 eV or less.
摘要翻译：提供一种光泽部件，包括：聚合物基板; 以及设置在所述聚合物基材上的聚合物纤维组合物，其中：所述聚合物纤维集合体具有沿给定方向取向的聚合物纤维; 聚合物基材的构成材料的平均溶解度参数与聚合物纤维的聚合物材料的平均溶解度参数之间的差的绝对值小于5（J / cm 3）1/2; 聚合物纤维的取向度为90％以上; 聚合物纤维的纤维直径为0.05μm以上且5μm以下; 并且在聚合物材料中的重复单元结构的至少一部分中，偶极矩为0D以上且3.50D以下，SOMO的绝对值为9eV以上且12eV以下。

10. 发明申请

US20160108192A1 POLYMER NANOFIBER SHEET AND METHOD FOR PRODUCING THE SAME 审中-公开
标题翻译：聚合物纳米纤维片及其制造方法
公开(公告)号：US20160108192A1
公开(公告)日：2016-04-21
申请号：US14879227
申请日：2015-10-09
申请人： CANON KABUSHIKI KAISHA
发明人： Kaori Yasufuku , Tetsuo Hino , Kenji Takashima , Kazuhiro Yamauchi
IPC分类号： C08J5/18
CPC分类号： D04H1/04
摘要： A polymer nanofiber sheet including polymer nanofibers having a polymer, the polymer nanofibers being accumulated and three dimensionally entangled. The polymer nanofiber sheet has a low molecular weight organic compound containing at least one 4- or higher-membered ring structure with an ether linkage. The difference between the average solubility parameter of the polymer and the average solubility parameter of the low molecular weight organic compound is less than 8 (J/cm3)1/2.
摘要翻译：一种聚合物纳米纤维片，其包含具有聚合物的聚合物纳米纤维，聚合物纳米纤维被积聚并三维缠结。聚合物纳米纤维片具有含有至少一个具有醚键的4-或更高级环结构的低分子量有机化合物。聚合物的平均溶解度参数与低分子量有机化合物的平均溶解度参数之差小于8（J / cm3）1/2。

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