公开(公告)号：US20220342327A1

公开(公告)日：2022-10-27

申请号：US17753668

申请日：2020-07-21

申请人： Hidetoshi Kami ,  Tomoharu Asano ,  Masayuki Ishii ,  Ryota Inoue

发明人： Hidetoshi Kami ,  Tomoharu Asano ,  Masayuki Ishii ,  Ryota Inoue

IPC分类号： G03G5/147 ,  G03G5/05

摘要： An electronic device includes: a support; a charge-transporting layer including a charge-transporting material, or a sensitizing-dye electrode layer including a sensitizing dye, where the charge-transporting layer or the sensitizing-dye electrode layer is disposed on or above the support; and a metal oxide layer disposed on or above the charge-transporting layer or the sensitizing-dye electrode layer. The metal oxide layer includes p-type semiconductor metal oxide and silica or metal oxide particles, and an amount of the silica or metal oxide particles included in the metal oxide layer is 0.5% by mass or greater but 1.5% by mass or less, relative to the metal oxide layer.

公开(公告)号：US20230101614A1

公开(公告)日：2023-03-30

申请号：US17758801

申请日：2020-12-25

申请人： Hidetoshi KAMI ,  Tomoharu Asano ,  Ryota Inoue

发明人： Hidetoshi KAMI ,  Tomoharu Asano ,  Ryota Inoue

IPC分类号： G03G5/147

摘要： An electronic device includes a support, a charge-transporting layer, a silicone-containing layer, and a metal oxide film. The charge-transporting layer includes a charge-transporting material or a dye-sensitizing electrode layer including a sensitizing dye. The charge-transporting layer or the sensitizing-dye electrode layer is disposed on or above the support. The silicone-containing layer is disposed on or above the charge-transporting layer or the sensitizing-dye electrode layer. The metal oxide film is disposed on or above the silicone-containing layer. A ratio [Q(ACL)/Q(CTL)] is 10% or greater, where Q(ACL) is a time integral of a transient photocurrent waveform of an electronic device (ACL) measured by a time-of-flight method, and Q(CTL) is a time integral of a transient photocurrent waveform of an electronic device (CTL) measured by a time-of-flight method.

公开(公告)号：US10545417B1

公开(公告)日：2020-01-28

申请号：US16445973

申请日：2019-06-19

申请人： Hidetoshi Kami ,  Tomoharu Asano

发明人： Hidetoshi Kami ,  Tomoharu Asano

IPC分类号： G03G5/00 ,  G03G5/047 ,  G03G5/07 ,  G03G5/05 ,  G03G5/147

摘要： An electrophotographic photoconductor is provided. The electrophotographic photoconductor includes a conductive substrate, a photosensitive layer, and a surface layer containing fluororesin particles, non-fluororesin particles, and a cured resin. The fluororesin particles have an average particle diameter of from 0.01 to 0.3 μm in a cross-sectional image of the surface layer as observed by a scanning electron microscope with a magnification of 5,000 times, and when the cross-sectional image is segmented into uniform regions each being 1 μm×4 μm, a standard deviation of areas each of which is occupied by the fluororesin particles and the non-fluororesin particles in each of the regions is 0.2 μm2 or less.

公开(公告)号：US20220140284A1

公开(公告)日：2022-05-05

申请号：US17431471

申请日：2020-01-31

申请人： Hidetoshi Kami ,  Tomoharu Asano

发明人： Hidetoshi Kami ,  Tomoharu Asano

IPC分类号： H01L51/52 ,  H01L51/56 ,  G03G5/147 ,  H01L51/00 ,  C08L83/04 ,  C04B35/45 ,  C04B35/622

摘要： A photoelectric conversion element includes a support, a photoelectric conversion layer, an undercoat layer, and a surface layer; where the photoelectric conversion layer, the undercoat layer, and the surface layer are disposed on or above the support in this order. The surface layer is a ceramic film, and the undercoat layer includes a siloxane resin.

公开(公告)号：US10114302B2

公开(公告)日：2018-10-30

申请号：US15590047

申请日：2017-05-09

申请人： Ryohta Takahashi ,  Akihiro Sugino ,  Eiji Kurimoto ,  Hidetoshi Kami ,  Keisuke Shimoyama ,  Tetsuro Suzuki ,  Tomoharu Asano ,  Toshihiro Ishida

发明人： Ryohta Takahashi ,  Akihiro Sugino ,  Eiji Kurimoto ,  Hidetoshi Kami ,  Keisuke Shimoyama ,  Tetsuro Suzuki ,  Tomoharu Asano ,  Toshihiro Ishida

IPC分类号： G03G5/00 ,  G03G5/05 ,  G03G5/147 ,  G03G15/01 ,  G03G15/20

摘要： A photoconductor is provided. The photoconductor includes a support, an undercoat layer overlying the support, and a photosensitive layer overlying the undercoat layer. The undercoat layer includes a binder resin and a zinc oxide particle. The photosensitive layer includes a compound represented by the following formula (1): where each of R1 and R2 independently represents an alkyl group or an aromatic hydrocarbon group.

公开(公告)号：US20140234763A1

公开(公告)日：2014-08-21

申请号：US14174279

申请日：2014-02-06

申请人： Akihiro SUGINO ,  Keisuke Shimoyama ,  Tomoharu Asano ,  Hidetoshi Kami ,  Nobutaka Eguchi ,  Kazuhiro Egawa ,  Tomoyuki Shimada ,  Ryota Arai ,  Masayoshi Nomura

发明人： Akihiro SUGINO ,  Keisuke Shimoyama ,  Tomoharu Asano ,  Hidetoshi Kami ,  Nobutaka Eguchi ,  Kazuhiro Egawa ,  Tomoyuki Shimada ,  Ryota Arai ,  Masayoshi Nomura

IPC分类号： G03G15/00 ,  G03G21/18 ,  G03G21/00

CPC分类号： G03G21/0094

摘要： An image forming apparatus includes an image bearing member having a photosensitive layer and a sub-surface layer having a charge transportability, overlying the photosensitive layer wherein the sub-surface layer is formed of a cured material formed of a radical polymerizable monomer having three or more functional groups with no charge transport structure and a radical polymerizable compound having a charge transport structure, wherein the arithmetical mean roughness WRa of about each of frequency components of HMH, HML, and HLH obtained by wavelet conversion of values measured by a surface texture and the contour form measuring device ranges from 0.0002 μm to 0.005 μm and WRa (LLH) is 0.05 μm or less, wherein the sub-surface layer contains at least one of a particular oxazole compound or a particular diamine compound.

摘要翻译： 图像形成装置包括具有感光层和具有电荷传输性的子表面层的图像承载部件，覆盖在感光层上，其中所述子表面层由具有三个或更多个自由基聚合单体形成的固化材料形成 没有电荷传输结构的官能团和具有电荷传输结构的自由基聚合性化合物，其中，通过由表面纹理测量的值通过小波变换获得的大约HMH，HML和HLH的每个频率分量的算术平均粗糙度WRa和 轮廓形状测量装置的范围为0.0002μm至0.005μm，WRa（LLH）为0.05μm以下，其中，所述表面下层含有特定的恶唑化合物或特定的二胺化合物中的至少一种。

公开(公告)号：US20200033743A1

公开(公告)日：2020-01-30

申请号：US16445973

申请日：2019-06-19

申请人： Hidetoshi KAMI ,  Tomoharu Asano

发明人： Hidetoshi KAMI ,  Tomoharu Asano

IPC分类号： G03G5/047 ,  G03G5/05 ,  G03G5/07

摘要： An electrophotographic photoconductor is provided. The electrophotographic photoconductor includes a conductive substrate, a photosensitive layer, and a surface layer containing fluororesin particles, non-fluororesin particles, and a cured resin. The fluororesin particles have an average particle diameter of from 0.01 to 0.3 μm in a cross-sectional image of the surface layer as observed by a scanning electron microscope with a magnification of 5,000 times, and when the cross-sectional image is segmented into uniform regions each being 1 μm×4 μm, a standard deviation of areas each of which is occupied by the fluororesin particles and the non-fluororesin particles in each of the regions is 0.2 μm2 or less.

公开(公告)号：US10209639B2

公开(公告)日：2019-02-19

申请号：US15484715

申请日：2017-04-11

申请人： Tomoharu Asano ,  Tetsuro Suzuki ,  Eiji Kurimoto ,  Daisuke Nii ,  Toshihiro Ishida

发明人： Tomoharu Asano ,  Tetsuro Suzuki ,  Eiji Kurimoto ,  Daisuke Nii ,  Toshihiro Ishida

IPC分类号： G03G5/14 ,  G03G5/06 ,  G03G5/047 ,  G03G15/00 ,  G03G5/05

摘要： A photoconductor including a conductive support, an undercoat layer, a charge-generating layer, and a charge-transporting layer, at least the undercoat layer, the charge-generating layer, and the charge-transporting layer being disposed on the conductive support in an order mentioned, wherein the undercoat layer includes a binder resin and metal oxide particles, and the charge-generating layer includes a binder resin, a titanyl phthalocyanine pigment, and a salicylic acid derivative.

公开(公告)号：US10191398B2

公开(公告)日：2019-01-29

申请号：US15601220

申请日：2017-05-22

申请人： Toshihiro Ishida ,  Tetsuro Suzuki ,  Eiji Kurimoto ,  Tomoharu Asano ,  Daisuke Nii

发明人： Toshihiro Ishida ,  Tetsuro Suzuki ,  Eiji Kurimoto ,  Tomoharu Asano ,  Daisuke Nii

IPC分类号： G03G5/14 ,  G03G15/00

摘要： An electrophotographic photoconductor including a support, an undercoat layer, and a photoconductive layer, the undercoat layer and the photoconductive layer being disposed on the support in an order mentioned, wherein the undercoat layer includes zinc oxide particles, a urethane bond-containing resin, and methylethyl ketone oxime, and the undercoat layer satisfies a formula below: 10

公开(公告)号：US09671706B2

公开(公告)日：2017-06-06

申请号：US14669115

申请日：2015-03-26

申请人： Daisuke Nii ,  Eiji Kurimoto ,  Tetsuro Suzuki ,  Tomoharu Asano ,  Toshihiro Ishida

发明人： Daisuke Nii ,  Eiji Kurimoto ,  Tetsuro Suzuki ,  Tomoharu Asano ,  Toshihiro Ishida

IPC分类号： G03G5/14

CPC分类号： G03G5/144 ,  G03G5/142

摘要： An electrophotographic photoconductor including a support, an undercoat layer overlying the support, and a photosensitive layer overlying the undercoat layer is provided. The undercoat layer includes zinc oxide particles and a binder resin. The undercoat layer has a voltage (V)-current (I) characteristics such that, when S1 is a value obtained by integrating current (I [A]) in terms of voltage (V [V]) from 0 to a distribution voltage VUL [V] distributed to the undercoat layer, and S2 is a value obtained by integrating a line connecting two points at a voltage (V [V]) of 0 and the distribution voltage VUL [V] in terms of voltage (V [V]) from 0 to the distribution voltage VUL [V], S1 is within a range of from 1.0×10−4 to 1.0×10−2 and a ratio (S1/S2) of S1 to S2 is 0.50 or less.