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Yuzi Ishihara
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Kawasaki, JP
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last 30 patents
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Patent Grant
Conductive roller, process cartridge and image forming apparatus
Patent number
6,558,781
Issue date
May 6, 2003
Canon Kabushiki Kaisha
Naoki Fuei
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Charging member with surface layer comprising polymers, and image f...
Patent number
5,751,801
Issue date
May 12, 1998
Canon Kabushiki Kaisha
Jun Murata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Charging member, process cartridge using the same and electrophotog...
Patent number
5,713,067
Issue date
Jan 27, 1998
Canon Kabushiki Kaisha
Kiyoshi Mizoe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Contact charging member for charging a photosensitive drum having i...
Patent number
5,576,805
Issue date
Nov 19, 1996
Canon Kabushiki Kaisha
Yuzi Ishihara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Contact charging member and apparatus using the charging member
Patent number
5,363,176
Issue date
Nov 8, 1994
Canon Kabushiki Kaisha
Yuzi Ishihara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY