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Hongo Kazuya, Nakajima Yukiko, Kamijo Yukiko, Esumi Tetsuya, Nakamura Hiroshi, Hoshizaki Taketoshi, Yoshida Satoko: Composite body, its production method, electrophotographic photoreceptor, process cartridge and electrophotographic device. Fuji Xerox, March 16, 2006: JP2006-072304 (13 worldwide citation)

PROBLEM TO BE SOLVED: To provide a composite body, when used as the constituting material of an electrophotographic photoreceptor, which can impart sufficient static charge properties, photosensitivity and low dark decay properties to the electrophotographic photoreceptor, and is effective for preve ...


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Taho Fumiaki, Iijima Masakazu, Iwasaki Masahiro, Hoshizaki Taketoshi, Yamaguchi Yasuhiro: Electrophotographic photoreceptor, its manufacturing method and electrophotographic apparatus. Fuji Xerox, March 30, 2001: JP2001-083726 (10 worldwide citation)

PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor formed by successively laminating an undercoat layer and a charge generating layer on a conductive substrate and having superior electric characteristics and being freed of occurrence of problems at the time of forming laminate fi ...


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Nukada Hidemi, Nakamura Hiroshi, Hoshizaki Taketoshi, Qi Yu, Hu Nan Xing, Hor Ah Mee: Electrophotographic photoreceptor, electrophotographic cartridge and electrophotographic apparatus. Fuji Xerox, Xerox Research Centre Of Canada, February 2, 2006: JP2006-030700 (10 worldwide citation)

PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor having excellent electric characteristics and capable of forming an image excellent in image quality.SOLUTION: The electrophotographic photoreceptor has at least a base coating layer and a photosensitive layer on a conductive subs ...


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Hashiba Shigeto, Suzuki Takahiro, Bando Koji, Nukada Hidemi, Hoshizaki Taketoshi: Electrophotographic photoreceptor, process cartridge and image forming apparatus. Fuji Xerox, March 21, 2008: JP2008-065173 (7 worldwide citation)

PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor in which variation in electrical properties is reduced, and also, the generation of picture defects can be sufficiently suppressed even if being repeatedly used.SOLUTION: In the electrophotographic photoreceptor, an under coating ...


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Iemura Kaori, Hoshizaki Taketoshi: Image forming apparatus. Fuji Xerox, October 6, 2005: JP2005-274755 (5 worldwide citation)

PROBLEM TO BE SOLVED: To provide an image forming apparatus which sufficiently suppresses the occurrence of line-like density unevenness in an actually obtained image even when a surface emission-type laser array in which the number of lasers is increased is used and which realizes both of image qua ...


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Nukada Hidemi, Nakamura Hiroshi, Hoshizaki Taketoshi, Qi Yu, Hu Nan Xing, Hor Ah Mee: Image forming apparatus and process cartridge. Fuji Xerox, Xerox Research Centre Of Canada, February 2, 2006: JP2006-030698 (5 worldwide citation)

PROBLEM TO BE SOLVED: To provide an image forming apparatus and a process cartridge which can suppress occurrence of fogging, black spots and image memory in an output image even when an image is formed by switching a plurality of modes.SOLUTION: The image forming apparatus is equipped with an elect ...


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Hoshizaki Taketoshi: Digital electrophotographic device. Fuji Xerox, April 27, 2001: JP2001-117244 (3 worldwide citation)

PROBLEM TO BE SOLVED: To provide a digital electrophotographic device by which a defective image quality so-called ghost is not caused, miniaturization is attained and an excellent image quality is obtained even when an S-shaped photoreceptor is used in an electrophotographic device which does not h ...


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Yagi Shigeru, Hoshizaki Taketoshi: Electrophotographic photoreceptor, and process cartridge and image forming apparatus using the same. Fuji Xerox, October 5, 2006: JP2006-267507 (3 worldwide citation)

PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor superior in mechanical durability and oxidation resistance of the surface, capable of preventing image defects arising from attachment of discharge products, superior in sensitivity, and capable of maintaining these characteristic ...


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Taho Fumiaki, Iijima Masakazu, Iwasaki Masahiro, Hoshizaki Taketoshi, Yamaguchi Yasuhiro: Charge-transporting copolymer, its production, and electrophotographic photoreceptor prepared by using the same. Fuji Xerox, February 29, 2000: JP2000-063456 (2 worldwide citation)

PROBLEM TO BE SOLVED: To obtain a charge-transporting copolymer having improved charge- transporting capability, mechanical properties, film-forming properties, or the like, by copolymerizing a charge-transporting block with a specific insulating block. SOLUTION: A charge-transporting block having a ...