21
Fujii Junji, Tanaka Masato, Hirano Hidetoshi, Azuma Takashi: Electrophotographic photoreceptor, process cartridge and electrophotographic device. Canon, November 6, 2003: JP2003-316049 (3 worldwide citation)

PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor having little fluctuation in the potential during continuous printing and supplying images having no image defects such as ghost images, and to provide a process cartridge and an electrophotographic device equipped with the above ...


22
Sekiya Michiyo, Maruyama Akio, Kikuchi Norihiro, Amamiya Shoji, Uematsu Hironori, Tanaka Hiroyuki, Ochi Atsushi: Electrophotographic photoreceptor, process cartridge and electrophotographic device. Canon, June 22, 2001: JP2001-166520 (3 worldwide citation)

PROBLEM TO BE SOLVED: To provide an excellent electrophotographic photoreceptor having high durability and excellent electrophotographic characteristics to obviate the occurrence of image defects, a process cartridge having the electrophotographic photoreceptor and an electrophotographic device.SOLU ...


23
Tanaka Daisuke, Morikawa Yosuke, Yoshimura Kimihiro, Nakada Koichi: Electrophotographic photoreceptor, process cartridge and electrophotographic device. Canon, January 8, 2003: JP2003-005408 (3 worldwide citation)

PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor, a process cartridge and an electrophotographic device which have excellent durability against production of deep scratches and which can stably maintain high picture quality while hardly producing black spots even after repeatedl ...


24
Tanaka Masato, Hirano Hidetoshi, Fujii Junji, Hama Kazue: Electrophotographic photoreceptor, process cartridge and electrophotographic device having the electrophotographic photoreceptor. Canon, August 14, 2002: JP2002-229228 (3 worldwide citation)

PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor which can form images with no image defects while keeping high sensitivity, in particular, while keeping high sensitivity characteristics in the wavelength region of a semiconductor laser.SOLUTION: The photosensitive layer of the ...


25
Osada Miyako, Yamazaki Itaru, Miki Nobumichi, Uesugi Hirotoshi: Electrophotographic photoreceptor, process cartridge and electrophotographic device. Canon, September 6, 2002: JP2002-251022 (3 worldwide citation)

PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor where the reproducibility of dots generated in a higher-speed and higher-resolution electrophotographic process is not deteriorated and whose potential variation due to endurance does not get worse, and a process cartridge and an ...


26
Noguchi Kazunori, Ogaki Harunobu, Kosaka Nobuo, Uematsu Hironori, Ochi Atsushi, Kawahara Masataka: Method for manufacturing electrophotographic photoreceptor, electrophotographic photoreceptor, process cartridge and electrophotographic device. Canon, January 22, 2009: JP2009-014915 (3 worldwide citation)

PROBLEM TO BE SOLVED: To provide a method for manufacturing an electrophotographic photoreceptor in which each independent concave portion is formed on the surface of an electrophotographic photoreceptor, so as to allow a releasing material to be present on the surface at high concentration and to k ...


27
Maeda Tatsuo, Takai Hideyuki, Tanaka Masato: Electrophotographic photoreceptor, process cartridge and electrophotographic device. Canon, February 18, 2000: JP2000-047409 (2 worldwide citation)

PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor having a high- sensitivity characteristic even in a specific wavelength area by using specific anthraquinone acridone, or a specific naphthalene tetracarboxylic acid diimidazole pigment or a specific naphthalene tetracarboxylic ac ...


28
Yoshida Akira, Anayama Hideki, Tanaka Takakazu, Hirano Hidetoshi, Uesugi Hirotoshi: Electrophotographic photoreceptor, process cartridge and electrophotographic device. Canon, March 14, 2000: JP2000-075533 (2 worldwide citation)

PROBLEM TO BE SOLVED: To obtain a photoreceptor having excellent lubricating property, strengths and durability and exhibiting a high quality image by incorporating a specific siloxane compound into the surface layer of an electrophotographic photoreceptor. SOLUTION: The surface layer of an electrop ...


29
Anayama Hideki: Electrophotographic photoreceptor, process cartridge and electrophotographic device. Canon, March 21, 2000: JP2000-081715 (2 worldwide citation)

PROBLEM TO BE SOLVED: To form a surface layer having dispersion of fluorocarbon resin pow der which is uniform even after an electrophotographic photoreceptor is pro duced, and to obtain excellent durability, and to maintain excellent surface lubricating property without giving adverse influences on ...


30
Kunieda Mitsuhiro, Kikuchi Norihiro, Kanamaru Tetsuo: Electrophotographic photoreceptor, process cartridge and electrophotographic device. Canon, April 11, 2000: JP2000-105471 (2 worldwide citation)

PROBLEM TO BE SOLVED: To obtain an electrophotographic photoreceptor to be used for an electrophotographic device using a laser and to obtain practical sensitivity characteristics of the photoreceptor when the photoreceptor is incorporated into an electrophotographic device using a semiconductor las ...