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Patents Grants
last 30 patents
Information
Patent Grant
Electrophotographic photoreceptor and method for producing the same
Patent number
7,078,143
Issue date
Jul 18, 2006
Sharp Kabushiki Kaisha
Masaki Hashimoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Color image forming apparatus
Patent number
7,010,245
Issue date
Mar 7, 2006
Sharp Kabushiki Kaisha
Yuriko Shindoh
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photoreceptor and production method thereof
Patent number
6,869,740
Issue date
Mar 22, 2005
Sharp Kabushiki Kaisha
Yuriko Shindoh
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Color image forming apparatus
Patent number
6,862,418
Issue date
Mar 1, 2005
Sharp Kabushiki Kaisha
Kazushige Morita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive element and manufacturing method...
Patent number
6,265,123
Issue date
Jul 24, 2001
Sharp Kabushiki Kaisha
Mikio Kakui
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photoreceptor, process for production thereof,...
Patent number
6,136,484
Issue date
Oct 24, 2000
Sharp Kabushiki Kaisha
Satoshi Katayama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photoreceptor, process for production thereof,...
Patent number
6,136,485
Issue date
Oct 24, 2000
Sharp Kabushiki Kaisha
Kazuya Ishida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photoreceptor, process for producing the same,...
Patent number
6,054,237
Issue date
Apr 25, 2000
Sharp Kabushiki Kaisha
Kazuya Ishida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Coating liquid composition for photosensitive member for electropho...
Patent number
5,952,146
Issue date
Sep 14, 1999
Sharp Kabushiki Kaisha
Satoshi Machino
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photoreceptor containing a residual charge-supp...
Patent number
5,688,620
Issue date
Nov 18, 1997
Sharp Kabushiki Kaisha
Yoshimasa Fujita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photoreceptor
Patent number
5,492,786
Issue date
Feb 20, 1996
Sharp Kabushiki Kaisha
Hiroshi Sugimura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photoconductor and a method for forming the same
Patent number
5,489,496
Issue date
Feb 6, 1996
Sharp Kabushiki Kaisha
Satoshi Katayama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process for producing toner for the development of an electric image
Patent number
5,393,636
Issue date
Feb 28, 1995
Sharp Kabushiki Kaisha
Jun Sugita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
Electrophotographic photoreceptor and method for producing the same
Publication number
20040053151
Publication date
Mar 18, 2004
Masaki Hashimoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Color image forming apparatus
Publication number
20030207189
Publication date
Nov 6, 2003
Yuriko Shindoh
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Color image forming apparatus
Publication number
20030206754
Publication date
Nov 6, 2003
Kazushige Morita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Electrophotographic photoreceptor and production method thereof
Publication number
20030148199
Publication date
Aug 7, 2003
Sharp Kabushiki Kaisha
Yuriko Shindoh
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY