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Uji, JP
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last 30 patents
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Patent Grant
Electrophotographic photoreceptor and method for producing the phot...
Patent number
5,665,502
Issue date
Sep 9, 1997
Mitsubhishi Kasei Corporation
Kunio Ohashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image correcting method using an electrophotographic photoreceptor
Patent number
5,536,607
Issue date
Jul 16, 1996
Mitsubishi Kasei Corporation
Kunio Ohashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process control stabilizing system including a cleaning device for...
Patent number
5,384,623
Issue date
Jan 24, 1995
Sharp Kabushiki Kaisha
Kunio Ohashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photoreceptor for electrophotography
Patent number
5,381,212
Issue date
Jan 10, 1995
Sharp Kabushiki Kaisha
Teruhiko Noguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developer cartridge having easily removable sealing material
Patent number
5,194,900
Issue date
Mar 16, 1993
Sharp Kabushiki Kaisha
Hideaki Hagihara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic apparatus controlling image quality according t...
Patent number
4,970,557
Issue date
Nov 13, 1990
Sharp Kabushiki Kaisha
Jitsuo Masuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Device for removing defective developer agent from a developing uni...
Patent number
4,962,408
Issue date
Oct 9, 1990
Sharp Kabushiki Kaisha
Jitsuo Masuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Cleaning blade with a surface active antistatic agent
Patent number
4,958,197
Issue date
Sep 18, 1990
Sharp Kabushiki Kaisha
Hiroshi Kinashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device for copier
Patent number
4,947,473
Issue date
Aug 7, 1990
Sharp Kabushiki Kaisha
Hiroshi Kinashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method of stabilizing surface potential of photoreceptor for electr...
Patent number
4,935,777
Issue date
Jun 19, 1990
Sharp Kabushiki Kaisha
Teruhiko Noguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image transfer device
Patent number
4,847,652
Issue date
Jul 11, 1989
Sharp Kabushiki Kaisha
Zitsuo Masuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Discharging apparatus and method for use in a copying machine
Patent number
4,827,306
Issue date
May 2, 1989
Sharp Kabushiki Kaisha
Yoshiharu Tsujimoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Copying machine with multiple transport function
Patent number
4,771,318
Issue date
Sep 13, 1988
Sharp Kabushiki Kaisha
Teruhiko Noguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method of removing a charge from an electrophotographic photoreceptor
Patent number
4,654,286
Issue date
Mar 31, 1987
Sharp Kabushiki Kaisha
Yoshiharu Tsujimoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image compensating method in a copying machine
Patent number
4,630,918
Issue date
Dec 23, 1986
Sharp Kabushiki Kaisha
Yuhi Yui
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic copying machine with delayed development bias v...
Patent number
4,610,528
Issue date
Sep 9, 1986
Sharp Kabushiki Kaisha
Hiroshi Kinashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic copying machine with a pre-copy system
Patent number
4,540,270
Issue date
Sep 10, 1985
Sharp Kabushiki Kaisha
Yoshiaki Imanaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Alternating current corona discharge apparatus
Patent number
4,339,783
Issue date
Jul 13, 1982
Sharp Kabushiki Kaisha
Hiroshi Kinashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Bias voltage controlled developing system in an electrophotographic...
Patent number
4,314,755
Issue date
Feb 9, 1982
Sharp Kabushiki Kaisha
Hiroshi Kinashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY