31
Tanaka Takakazu, Hirano Hidetoshi, Uesugi Hirotoshi: Electrophotographic photoreceptor, process cartridge and electrophotographic device. Canon, April 7, 2000: JP2000-098644 (2 worldwide citation)

PROBLEM TO BE SOLVED: To obtain an electrophotographic photoreceptor having excellent mechanical strength, electric strength and characteristics for repeated use.SOLUTION: In the electrophotographic photoreceptor having a photosensitive layer on a supporting body, the surface layer of the electropho ...


32
Nakajima Yuka, Tanaka Takakazu, Ogaki Harunobu: Electrophotographic photoreceptor, process cartridge and electrophotographic device. Canon, November 6, 2003: JP2003-316044 (2 worldwide citation)

PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor having excellent wear resistance, scratch resistance, resistance against deterioration by discharge and resistance against cracks and to provide an electrophotographic photoreceptor, a process cartridge and an electrophotographic ...


33
Kikuchi Norihiro, Sekido Kunihiko, Kimura Tomohiro, Tanaka Hiroyuki, Go Shintetsu: Electrophotographic photoreceptor, process cartridge and electrophotographic device. Canon, December 3, 2003: JP2003-345048 (2 worldwide citation)

PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor which causes no fog by local charging failure in any environment or not only in the initial stage but in a long-term period, which stably maintains the potential for repeated use in any environment, which exhibits stable image cha ...


34
Kami Hidetoshi, Suzuki Yasuo, Suzuki Tetsuo, Tamura Hiroshi, Tone Tetsuya, Inaba Yoshinori, Fujiwara Yukio: Electrophotographic photoreceptor, process cartridge, and electrophotographic device. Ricoh, September 27, 2007: JP2007-248914 (2 worldwide citation)

PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor, a process cartridge, and an electrophotographic device that enables energy saving.SOLUTION: The organic electrophotographic photoreceptor which has a setting-type surface layer laminated is characterized in that the surface layer ...


35
Kitamura Ko, Goto Koji, Saito Yoshihisa: Electrophotographic photoreceptor, process cartridge and electrophotographic device. Canon, April 8, 2004: JP2004-109606 (2 worldwide citation)

PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor, a process cartridge and an electrophotographic device which have satisfactory voltage stability even on the repeated use and have excellent durability.SOLUTION: In the electrophotographic photoreceptor, the process cartridge and ...


36
Sekido Kunihiko, Sekiya Michiyo, Nagasaka Hideaki: New imide compound, electrophotographic photoreceptor, process cartridge and electrophotographic device. Canon, August 14, 2008: JP2008-184386 (2 worldwide citation)

PROBLEM TO BE SOLVED: To provide a new imide compound, to provide an electrophotographic photoreceptor containing the new imide compound and excellent in image characteristics, to provide a process cartridge equipped with the electrophotographic photoreceptor, and to provide an electrophotographic d ...


37
Maruyama Akio, Uematsu Hironori: Electrophotographic photoreceptor, process cartridge, and electrophotographic device. Canon, October 20, 2000: JP2000-292958 (2 worldwide citation)

PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor superior in slidability and having durability against surface abrasion and scratching due to friction and prevented from reduction of surface resistance due to attachment of stains produced by corona in repeating electrophotograph ...


38
Ishii Shuji, Takagi Noriyuki, Nakamura Kazunari: Electrophotographic photoreceptor, process cartridge and electrophotographic device. Canon, June 21, 2002: JP2002-174921 (2 worldwide citation)

PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor capable of preventing the occurrence of interference fringes at the time of forming an image, and also, preventing a defective image such as a black spot, a void and a ghost, and to provide a process cartridge and an electrophotog ...


39
Uesugi Hirotoshi, Anayama Hideki: Electrophotographic photoreceptor, process cartridge and electrophotographic device. Canon, September 14, 2001: JP2001-249481 (2 worldwide citation)

PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor excellent in durability, free of an adverse effect on electrophotographic characteristics, capable of suppressing fluctuation of the potential of the light part due to long-term use and having superior surface lubricity in the ini ...


40
Ochi Atsushi, Kikuchi Norihiro, Tanaka Hiroyuki, Sekiya Michiyo, Amamiya Shoji, Uematsu Hironori: Electrophotographic photoreceptor, process cartridge and electrophotographic device. Canon, June 22, 2001: JP2001-166517 (2 worldwide citation)

PROBLEM TO BE SOLVED: To provide an excellent electrophotographic photoreceptor which is excellent in wear resistance and flaw resistance and deposition resistance, exhibits stable and excellent potential characteristics without depending upon repetitive use and environmental fluctuation and makes i ...