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Kashimura Noboru, Sakoh Harumi, Amamiya Shoji, Ikezue Tatsuya: Electrophotographic photosensitive member, and electrophotographic apparatus and apparatus unit having the electrophotographic photosensitive member.. Canon, March 30, 1994: EP0589776-A2 (10 worldwide citation)

An electrophotographic photosensitive member is disclosed which comprises a conductive support and a photosensitive layer provided on the conductive support. A surface layer of the electrophotographic photosensitive member contains a polycarbonate resin having a chain fluoroalkyl group having 4 or m ...


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Kashimura Noboru C O Canon Kab, Sakoh Harumi C O Canon Kabushi, Nakamura Kazushige C O Canon K, Amamiya Shoji C O Canon Kabush, Kasuya Takashige C O Canon Kab, Tsuji Haruyuki C O Canon Kabus, Yamagami Masaaki C O Canon Kab, Ikezue Tatsuya C O Canon Kabus: Electrophotographic apparatus.. Canon, March 16, 1994: EP0587067-A2 (8 worldwide citation)

An electrophotographic apparatus is disclosed which has an electrophotographic photosensitive member and a transfer means. The photosensitive member has a conductive support and a photosensitive layer, and further has a surface layer comprised of a binder resin, fluorine atom- or silicon atom-contai ...


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Yoshimura Kimihiro, Morikawa Yosuke, Ikezue Tatsuya, Nakata Kouichi, Ishii Shuji, Tanaka Daisuke: Electrophotographic photosensitive member, electrophotographic apparatus, and process cartridge. Canon, January 21, 2004: EP1383009-A2 (4 worldwide citation)

According to the present invention, there is provided: an electrophotographic photosensitive member having a photosensitive layer on a support in which a surface layer of the electrophotographic photosensitive member comprises an acrylic polymer having a polyfluoroolefin unit and an alkylene oxide u ...


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Tanaka Daisuke, Morikawa Yosuke, Ikezue Tatsuya, Nakata Kouichi, Yoshimura Kimihiro: Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus. Canon, July 2, 2003: EP1324141-A1 (4 worldwide citation)

In an electrophotographic photosensitive member comprising a cylindrical support, and provided thereon a photosensitive layer and a protective layer in this order, which cylindrical support has an outer diameter of less than 30 mm, the difference between a coefficient of thermal expansion alpha 1 me ...


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Amamiya Shoji, Nakata Koichi, Ikezue Tatsuya, Mitsui Takahiro, Shimada Akira, Uematsu Hiroki, Ishii Shuji, Maruyama Akio: Electrophotographic photoreceptor, production method for electrophotographic photoreceptor, process cartridge and electrophotographic device. Canon, December 20, 2006: EP1734411-A1 (4 worldwide citation)

An object of the present invention is to improve a phenomenon of the life-shortening of the endurance life due to scratch occurring when recesses of a fixed dimple shape are formed on the surface of the surface layer, in order to inhibit the chattering and folding back of a cleaning blade and the fr ...


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Ikezue Tatsuya C O Canon Kabus: Electrophotographic photosensitive member, and electrophotographic apparatus and device unit employing the same.. Canon, January 12, 1994: EP0578094-A2 (3 worldwide citation)

The present invention provides an electrophotographic photosensitive member comprising a photosensitive layer formed on an electroconductive support, and a surface layer formed on the photosensitive layer, wherein said photosensitive layer contains a charge-generating substance, a charge-transportin ...


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Nakata Kouichi, Morikawa Yosuke, Ikezue Tatsuya, Yoshimura Kimihiro, Tanaka Daisuke: Phenolic compound, resol resin, cured products thereof and their use in electrophotography. Canon, June 25, 2003: EP1321456-A2 (2 worldwide citation)

A phenolic compound having a plurality of substituted hydroxyphenyl groups and charge-transportable structure, the substituted hydroxyphenyl groups of which have a hydroxymethyl group; and a resol resin obtained by allowing a phenolic compound having hydroxyphenyl groups and charge-transportable str ...


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Amamiya Shoji, Kashimura Noboru, Ikezue Tatsuya, Sakoh Harumi: Electrophotographic photosensitive member, and electrophotographic apparatus and apparatus unit having the electrophotographic photosensitive member. Canon, March 24, 1999: EP0903640-A2 (2 worldwide citation)

An electrophotographic photosensitive member is disclosed which comprises a conductive support and a photosensitive layer provided on the conductive support. A surface layer of the electrophotographic photosensitive member contains a polycarbonate resin having a chain fluoroalkyl group having 4 or m ...


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Tanabe Kan, Saito Yoshihisa, Ogawa Hideki, Amamiya Shoji, Ikezue Tatsuya, Mitsui Takahiro, Oshiro Mayumi, Takizawa Kumiko: Electrophotographic photosensitive element, process cartridge, and electrophotographic device. Canon, April 14, 2010: EP2175321-A1 (2 worldwide citation)

An electrophotographic photosensitive member is provide which inhibits recovered toner from leaking out of the edge portion at the time of long-term use, and has good durability. Each of at least both edge portions of the surface layer of the electrophotographic photosensitive member has a region in ...