公开(公告)号：US20200004179A1

公开(公告)日：2020-01-02

申请号：US16510648

申请日：2019-07-12

申请人： Hidetoshi KAMI ,  Akihiro Sugino ,  Keisuke Shimoyama ,  Ryohta Takahashi

发明人： Hidetoshi KAMI ,  Akihiro Sugino ,  Keisuke Shimoyama ,  Ryohta Takahashi

IPC分类号： G03G15/16 ,  G03G5/047 ,  G03G5/05 ,  G03G5/06 ,  G03G5/07 ,  G03G15/01 ,  H04N5/74 ,  G03B21/28

摘要： An image forming method includes forming an image with a toner using a photoconductor in which an intermediate layer and a photosensitive layer including a charge generating layer and a charge transport layer are formed overlying an electroconductive substrate, wherein the ionization potential of the surface of the photoconductor and the ionization potential of the surface of the toner satisfy the following relations 1 and 2, |Ip (the surface of the photoconductor)−Ip (the surface of the toner)|≤5.53 (eV)   Relation 1 5.45 (eV)≤Ip (the surface of the photoconductor)≤5.53 (eV)   Relation 2 where Ip (the surface of the photoconductor) represents the ionization potential of the surface of the photoconductor and Ip (the surface of the toner) represents the ionization potential of the surface of the toner.

公开(公告)号：US20230324819A1

公开(公告)日：2023-10-12

申请号：US18020641

申请日：2021-07-29

申请人： Hidetoshi KAMI ,  Ryota INOUE ,  Keisuke SHIMOYAMA ,  Ryohta TAKAHASHI

发明人： Hidetoshi KAMI ,  Ryota INOUE ,  Keisuke SHIMOYAMA ,  Ryohta TAKAHASHI

IPC分类号： G03G5/147

CPC分类号： G03G5/14773 ,  G03G5/14704

摘要： To provide a laminate including: a layer (1) including an organic material; a layer (2) including a siloxane compound and metal oxide, where the layer (2) is in contact with the layer (1); and a layer (3) including the metal oxide, where the layer (3) is in contact with the layer (2).

公开(公告)号：US20190285997A1

公开(公告)日：2019-09-19

申请号：US16290995

申请日：2019-03-04

申请人： Hidetoshi KAMI ,  Hiroki ORII ,  Ryohta TAKAHASHI

发明人： Hidetoshi KAMI ,  Hiroki ORII ,  Ryohta TAKAHASHI

IPC分类号： G03G5/147 ,  G03G21/00

摘要： Provided is an image forming apparatus including an image bearer capable of bearing a toner image, where a latent image is formed on the image bearer, a developing unit configured to develop the latent image formed on the image bearer with a toner, and a cleaning unit including a blade-shaped elastic body, where the elastic body is brought into contact with a surface of the image bearer, wherein a friction coefficient Ft/Fn between the image bearer and the elastic body is 0.85 or greater but 1.1 or less, and self-excited vibration WRFt(LMH) of shear force of the elastic body in a LMH band is 1.5 gf or greater but 3.5 gf or less.

公开(公告)号：US10416594B2

公开(公告)日：2019-09-17

申请号：US15703805

申请日：2017-09-13

申请人： Hidetoshi Kami ,  Akihiro Sugino ,  Keisuke Shimoyama ,  Ryohta Takahashi

发明人： Hidetoshi Kami ,  Akihiro Sugino ,  Keisuke Shimoyama ,  Ryohta Takahashi

IPC分类号： G03G15/16 ,  G03G15/01 ,  G03B21/28 ,  H04N5/74 ,  G03G5/047 ,  G03G5/07 ,  G03G5/05 ,  G03G5/06

摘要： An image forming method includes forming an image with a toner using a photoconductor in which an intermediate layer and a photosensitive layer including a charge generating layer and a charge transport layer are formed overlying an electroconductive substrate, wherein the ionization potential of the surface of the photoconductor and the ionization potential of the surface of the toner satisfy the following relations 1 and 2, |Ip (the surface of the photoconductor)−Ip (the surface of the toner)|≤0.18 (eV)   Relation 1 5.45 (eV)≤Ip (the surface of the photoconductor)≤5.53 (eV)   Relation 2 where Ip (the surface of the photoconductor) represents the ionization potential of the surface of the photoconductor and Ip (the surface of the toner) represents the ionization potential of the surface of the toner.

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：US10585366B2

公开(公告)日：2020-03-10

申请号：US16290995

申请日：2019-03-04

申请人： Hidetoshi Kami ,  Hiroki Orii ,  Ryohta Takahashi

发明人： Hidetoshi Kami ,  Hiroki Orii ,  Ryohta Takahashi

IPC分类号： G03G21/00 ,  G03G5/147

摘要： Provided is an image forming apparatus including an image bearer capable of bearing a toner image, where a latent image is formed on the image bearer, a developing unit configured to develop the latent image formed on the image bearer with a toner, and a cleaning unit including a blade-shaped elastic body, where the elastic body is brought into contact with a surface of the image bearer, wherein a friction coefficient Ft/Fn between the image bearer and the elastic body is 0.85 or greater but 1.1 or less, and self-excited vibration WRFt(LMH) of shear force of the elastic body in a LMH band is 1.5 gf or greater but 3.5 gf or less.

公开(公告)号：US20180113403A1

公开(公告)日：2018-04-26

申请号：US15703805

申请日：2017-09-13

申请人： Hidetoshi Kami ,  Akihiro Sugino ,  Keisuke Shimoyama ,  Ryohta Takahashi

发明人： Hidetoshi Kami ,  Akihiro Sugino ,  Keisuke Shimoyama ,  Ryohta Takahashi

IPC分类号： G03G15/00 ,  H04N5/74

CPC分类号： G03G15/162 ,  G03B21/28 ,  G03G5/047 ,  G03G5/0503 ,  G03G5/0546 ,  G03G5/056 ,  G03G5/0592 ,  G03G5/0596 ,  G03G5/0664 ,  G03G5/075 ,  G03G15/0194 ,  G03G15/161 ,  G03G2215/00962 ,  G03G2215/1652 ,  G03G2215/1661 ,  G03G2221/183 ,  H04N5/74

摘要： An image forming method includes forming an image with a toner using a photoconductor in which an intermediate layer and a photosensitive layer including a charge generating layer and a charge transport layer are formed overlying an electroconductive substrate, wherein the ionization potential of the surface of the photoconductor and the ionization potential of the surface of the toner satisfy the following relations 1 and 2, |Ip(the surface of the photoconductor)−Ip(the surface of the toner)|≤0.18 (eV)   Relation 1 5.45 (eV)≤Ip(the surface of the photoconductor)≤5.53 (eV)   Relation 2 where Ip (the surface of the photoconductor) represents the ionization potential of the surface of the photoconductor and Ip (the surface of the toner) represents the ionization potential of the surface of the toner.

公开(公告)号：US20170343908A1

公开(公告)日：2017-11-30

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： G03G5/05 ,  G03G5/147 ,  G03G15/20 ,  G03G15/01

CPC分类号： G03G5/051 ,  G03G5/0517 ,  G03G5/0521 ,  G03G5/0631 ,  G03G5/142 ,  G03G5/144 ,  G03G5/14708 ,  G03G15/01 ,  G03G15/20 ,  G03G2215/00957

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.