1
Takashi Rokutanzono, Tamotsu Aruga, Tatsuya Niimi, Yoshiaki Kawasaki: Electrophotographic photoreceptor, electrophotographic image forming method and apparatus using the photoreceptor. Ricoh Company, Oblon Spivak McClelland Maier & Neustadt P C, May 6, 2003: US06558863 (27 worldwide citation)

A photoreceptor including an electroconductive substrate and a photosensitive layer which is formed on the electroconductive substrate and which includes a charge generation material, wherein the charge generation material comprises an organic pigment and wherein the photosensitive layer further inc ...


2
Ishida Kazuya, Kondo Akihiro, Obata Takatsugu: Electrophotographic photoreceptor, electrophotographic image forming method, and electrophotographic apparatus. Sharp, July 29, 2004: JP2004-212888 (3 worldwide citation)

PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor which ensures high productivity and exhibits high responsiveness even in an environment at low temperature and low humidity, and to provide an electrophotographic image forming method and an electrophotographic apparatus using the ...


3
Kazuya Ishida, Akihiro Kondoh, Takatsugu Obata: Electrophotographic photoreceptor, electrophotographic image forming method, and electrophotographic apparatus. Sharp Kabushiki Kaisha, Nixon & Vanderhye P C, June 1, 2010: US07727693 (1 worldwide citation)

An object of the invention is to provide an electrophotographic photoreceptor showing high responsivity even under a low temperature and low humidity circumstance and capable of compatibilize the decrease of the size and the increase in the image forming speed of an electrophotographic apparatus. In ...


4
Ishida Kazuya, Kondoh Akihiro, Obata Takatsugu: (Ja) 電子写真感光体、電子写真画像形成方法および電子写真装置, (En) Electrophotographic photoreceptor, electrophotographic image forming method and electrophotographic device. Sharp Kabushiki Kaisha, Ishida Kazuya, Kondoh Akihiro, Obata Takatsugu, SAIKYO Keiichiro, November 4, 2004: WO/2004/095144 (1 worldwide citation)

(EN) An electrophotographic photoreceptor which exhibits a high responsiveness even under a low-temperature, low-humidity environment, and can make compatible the downsizing of an electrophotographic device with a higher image forming speed. Oxotitanium phthalocayanine having a crystal type showing ...


5
Keiichi Inagaki, Toshiyuki Fujita, Mari Konishi, Daisuke Kodama: Electrophotographic photoreceptor, electrophotographic image forming method and electrophotographic image forming apparatus. KONICA MINOLTA, Lucas & Mercanti, August 15, 2017: US09733581

An electrophotographic photoreceptor includes: a conductive holder; and at least a charge producing layer and a charge transport layer disposed on the conductive holder in order. The charge transport layer contains at least a binder resin, a charge transport agent and a p-type metal oxide particle.


6
Takashi Rokutanzono, Tamotsu Aruga, Tatsuya Niimi, Yoshiaki Kawasaki: Electrophotographic photoreceptor, electrophotographic image forming method and apparatus using the photoreceptor. Ricoh Company, OBLON SPIVAK McCLELLAND MAIER & NEUSTADT PC, August 23, 2001: US20010016296-A1

A photoreceptor including an electroconductive substrate and a photosensitive layer which is formed on the electroconductive substrate and which includes a charge generation material, wherein the charge generation material comprises an organic pigment and wherein the photosensitive layer further inc ...


7
Kazuya Ishida, Akihiro Kondoh, Takatsugu Obata: Electrophotographic photoreceptor, electrophotographic image forming method, and electrophotographic device. Nixon & Vanderhye PC, October 5, 2006: US20060222979-A1

An object of the invention is to provide an electrophotographic photoreceptor showing high responsivity even under a low temperature and low humidity circumstance and capable of compatibilize the decrease of the size and the increase in the image forming speed of an electrophotographic apparatus. In ...


8
Ishida Kazuya, Kondoh Akihiro, Obata Takatsugu: Electrophotographic photoreceptor, electrophotographic image forming method and electrophotographic device. Sharp, fan weimin yang jing, May 24, 2006: CN200480010923

An electrophotographic photoreceptor which exhibits a high responsiveness even under a low-temperature, low-humidity environment, and can make compatible the downsizing of an electrophotographic device with a higher image forming speed. Oxotitanium phthalocayanine having a crystal type showing a dif ...


9
Sako Shunkai, Yoshimura Kimihiro: Electrophotographic photoreceptor, electrophotographic image forming method and electrophotographic device. Canon, June 11, 1996: JP1996-152811

PURPOSE: To prevent such a situation that frictional force between a rubber blade and the surface of a photoreceptor gets large and the blade is reversed in an electrophotographic device in which the photoreceptor is electrified in contact and cleaned by the rubber blade. CONSTITUTION: In this elect ...


10
Sako Shunkai, Yoshihara Yoshiyuki, Morikawa Yosuke, Yoshimura Kimihiro, Ikesue Tatsuya, Tsuji Haruyuki, Asano Kumiko, Takagi Shinji: Electrophotographic photoreceptor, electrophotographic image forming method and electrophotographic device. Canon, October 8, 1999: JP1999-272003

PROBLEM TO BE SOLVED: To provide an electrophotographic image forming method, an electrophotographic device and an electrophotographic photoreceptor used therefor capable of obtaining a high-quality image by eliminating the soiling of an electrifying member caused in the case of using spherical tone ...