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Kouichi Yamazaki
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Yokohama, JP
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last 30 patents
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Patent Grant
Image forming apparatus with a contact member contacting an image c...
Patent number
5,585,896
Issue date
Dec 17, 1996
Ricoh Company, Ltd.
Kouichi Yamazaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method of and system for cleaning a charge inducing member
Patent number
5,572,293
Issue date
Nov 5, 1996
Ricoh Company, Ltd.
Nobuo Kikuchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Cleaning system for charging drum of an image forming apparatus
Patent number
5,557,373
Issue date
Sep 17, 1996
Ricoh Company, Ltd.
Yoshiaki Miyashita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner used in an image forming apparatus
Patent number
5,512,708
Issue date
Apr 30, 1996
Ricoh Company, Ltd.
Sadao Takahashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY