1
Sekido Kunihiko, Go Shintetsu, Tanaka Hiroyuki, Kikuchi Norihiro, Kimura Tomohiro: Electrophotographic photoreceptor, process cartridge and electrophotographic device. Canon, November 19, 2003: JP2003-330209 (19 worldwide citation)

PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor with very good electrophotographic properties such as environmental potential stability and residual potential and which can exercise a stable function even with repeated use.SOLUTION: In the electrophotographic photoreceptor prov ...


2
Kikuchi Norihiro, Sekido Kunihiko, Kimura Tomohiro, Go Shintetsu, Tanaka Hiroyuki: New naphthalenetetracarboxylic acid diimide compound and polymer thereof, and method for producing the naphthalenetetracarboxylic acid diimide compound. Canon, November 19, 2003: JP2003-327587 (14 worldwide citation)

PROBLEM TO BE SOLVED: To provide a new material having sufficiently high solubility, causing no problems including crystallization and film cracking, capable of thin film formation, and having the ability to transport electrons.SOLUTION: A naphthalenetetracarboxylic acid diimide compound improved in ...


3
Go Shintetsu, Kimura Tomohiro, Sekido Kunihiko, Tanaka Hiroyuki, Kikuchi Norihiro: Electrophotographic photoreceptor, process cartridge and electrophotographic device possessing it. Canon, December 3, 2003: JP2003-345044 (12 worldwide citation)

PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor which possesses high potential characteristic and image characteristic for environmental stability and stability repeated use under all environments from low temperature and low humidity to high temperature and high humidity and w ...


4
Nagasaka Hideaki, Sekido Kunihiko, Sekiya Michiyo: Electrophotographic photoreceptor, method for manufacturing electrophotographic photoreceptor, process cartridge, and electrophotographic equipment. Canon, October 16, 2008: JP2008-250082 (11 worldwide citation)

PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor for suppressing potential variation under low temperature and low humidity and continuously forming excellent images without generating expelling and unevenness of a photosensitive layer, and to provide its manufacturing method.SO ...


5
Sekido Kunihiko, Go Shintetsu, Kimura Tomohiro, Tanaka Hiroyuki, Kikuchi Norihiro: Electrophotographic photoreceptor, process cartridge and electrophotographic device. Canon, March 25, 2004: JP2004-093801 (10 worldwide citation)

PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor which exhibits an excellent potential characteristic and is capable of outputting a satisfactory picture either in the initial stage or after the repeated use thereof, and to provide a process cartridge and an electrophotographic ...


6
Sekiya Michiyo, Nagasaka Hideaki, Sekido Kunihiko: Electrophotographic photoreceptor, process cartridge, and electrophotographic apparatus. Canon, June 14, 2007: JP2007-148293 (10 worldwide citation)

PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor excellent in ghost control effect and less liable to cause a ghost phenomenon even when loaded in a full-color or charge eliminator-free electrophotographic apparatus, and a process cartridge and an electrophotographic apparatus e ...


7
Nagasaka Hideaki, Sekiya Michiyo, Sekido Kunihiko: Electrophotographic photoreceptor, process cartridge, and electrophotographic apparatus. Canon, June 14, 2007: JP2007-148294 (9 worldwide citation)

PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor which achieves the most strict reduction level of ghost images that has ever existed, and also to provide a process cartridge and an electrophotographic apparatus equipped each equipped with the electrophotographic photoreceptor.S ...


8
Suzuki Koichi, Nakamura Kazunari, Tanaka Hiroyuki, Sekido Kunihiko: Electrophotographic photoreceptor, process cartridge with the same, and electrophotographic device. Canon, October 20, 2000: JP2000-292946 (7 worldwide citation)

PROBLEM TO BE SOLVED: To make attainable potential stability in long-time use, to prevent the occurrence of a ghost and to ensure excellent image stability and photomemory characteristics by forming an electric charge generating layer containing a phthalocyanine pigment and a specified dithiobenzyl ...


9
Tanaka Hiroyuki, Sekido Kunihiko, Kikuchi Norihiro, Go Shintetsu, Kimura Tomohiro: Electrophotographic photoreceptor, process cartridge and electrophotographic device. Canon, March 25, 2004: JP2004-093802 (7 worldwide citation)

PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor which has an excellent potential characteristic and electrophotographic characteristic even under a low-temperature and low-humidity environment, and to provide a process cartridge and an electrophotographic device having the elec ...


10
Sekido Kunihiko, Go Shintetsu, Kimura Tomohiro, Kikuchi Norihiro, Tanaka Hiroyuki: Electrophotographic photoreceptor, process cartridge with the electrophotographic photoreceptor and electrophotographic apparatus. Canon, July 14, 2005: JP2005-189765 (7 worldwide citation)

PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor which exhibits stable potential properties in repetitive use in any environment from low temperature and low humidity to high temperature and high humidity, can continuously form excellent images of an early date, and is excellent ...