21
Kikuchi Norihiro, Suzuki Koichi, Amamiya Shoji: Electrophotographic device, electrophotographic photoreceptor and process cartridge. Canon, March 21, 2000: JP2000-081757 (3 worldwide citation)

PROBLEM TO BE SOLVED: To improve the uniformity of electrification, to obtain stable injection electrification for a long period in any environment, namely, to enable ozone-less injection electrification with low voltage applied, by incorporating a specified charge transfer material into the surface ...


22
Maruyama Akio, Uematsu Hironori, Kikuchi Norihiro, Amamiya Shoji, Sekiya Michiyo: Electrophotographic sensitive body, process cartridge and electrophotographic device. Canon, May 26, 2000: JP2000-147815 (3 worldwide citation)

PROBLEM TO BE SOLVED: To provide a highly sensitive electrophotographic sensitive body which is nearly free from the change or deterioration in the photosensitive body characteristics, such as lowering in the elelctrifiability, fluctuation in sensitivity at the time of repeated use and which is able ...


23
Yamazaki Koji, Hitsuishi Mitsuharu, Shimojo Minoru, Amamiya Shoji: Electrophotographic method, electrophotographic photoreceptor and electrophotographic device. Canon, October 23, 2002: JP2002-311612 (3 worldwide citation)

PROBLEM TO BE SOLVED: To provide an electrophotographic method which well functions a cleanerless toner recycling process when an amorphous silicon photoreceptor is used, an electrophotographic device and an electrophotographic photoreceptor.SOLUTION: The electrophotographic method and electrophotog ...


24
Maruyama Akio, Amamiya Shoji, Sekiya Michiyo, Uematsu Hiroki: Electrophotographic photosensitive member, process for producing electrophotographic photosensitive member, and process cartridge and electophotographic apparatus which have the electrophotographic photosensitive member. Canon, July 14, 1999: EP0928989-A1 (2 worldwide citation)

An electrophotographic photosensitive member has a support and a photosensitive layer formed thereon. The electrophotographic photosensitive member has a surface layer containing a charge-transporting material and a resin obtained by exposing to radiations a compound having an acryloyloxy group or m ...


25
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 ...


26
Uematsu Hironori, Ishii Shuji, Sekiya Michiyo, Tanaka Hiroyuki, Ochi Atsushi, Kikuchi Norihiro, Maruyama Akio, Amamiya Shoji: Electrophotographic photoreceptor, process cartridge, electrophotographic apparatus, and method of manufacturing electrophotographic photoreceptor. Canon, August 26, 2004: JP2004-240305 (2 worldwide citation)

PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor having largely improved wear resistance, with respect to an electrophotographic photoreceptor manufactured by using a radiation polymerization reaction, and to provide a method of manufacturing the electrophotographic photorecepto ...


27
Amamiya Shoji, Maruyama Akio, Uematsu Hironori, Sekiya Michiyo, Tanaka Hiroyuki: Electrophotographic device and process cartridge. Canon, April 28, 2000: JP2000-122314 (2 worldwide citation)

PROBLEM TO BE SOLVED: To suppress the deterioration of the electrification ability of a photoreceptor, the change of the sensitivity and the wear of the surface layer even when the photoreceptor is repeatedly electrified by incorporating a specified compound into the surface layer of the photorecept ...


28
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 ...


29
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: JP2001-166521 (2 worldwide citation)

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


30
Maruyama Akio, Kikuchi Norihiro, Amamiya Shoji, Uematsu Hironori, Tanaka Hiroyuki, Sekiya Michiyo, Ochi Atsushi: Image forming apparatus and process cartridge. Canon, April 4, 2003: JP2003-098708 (2 worldwide citation)

PROBLEM TO BE SOLVED: To provide an image forming apparatus and a process cartridge preventing the occurrence of faulty cleaning even in an electrophotographic developing method using toner whose diameter is small and whose circularity is high as toner, made excellent in characteristic at the time o ...