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Kenji Karashima
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Kawasaki, JP
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last 30 patents
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Patent Grant
Image forming apparatus with a device and a method to increase cont...
Patent number
6,101,361
Issue date
Aug 8, 2000
Ricoh Co., Ltd.
Kenji Karashima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Apparatus and method for cleaning a transfer device of an image for...
Patent number
6,064,470
Issue date
May 16, 2000
Ricoh Company, Ltd.
Kenji Karashima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method for cleaning a transfer device of an image forming apparatus
Patent number
6,025,109
Issue date
Feb 15, 2000
Ricoh Company, Ltd.
Kenji Karashima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus with a device to increase contact area betw...
Patent number
5,884,134
Issue date
Mar 16, 1999
Ricoh Co., Ltd.
Kenji Karashima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device for image forming apparatus
Patent number
5,864,733
Issue date
Jan 26, 1999
Ricoh Company, Ltd.
Asami Mae
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Apparatus and method for cleaning a transfer device of an image for...
Patent number
5,857,132
Issue date
Jan 5, 1999
Ricoh Company, Ltd.
Haruji Mizuishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Apparatus for cleaning a transfer device of an image forming apparatus
Patent number
5,822,649
Issue date
Oct 13, 1998
Ricoh Company, Ltd.
Kenji Karashima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Apparatus and method for cleaning a transfer device of an image for...
Patent number
5,621,509
Issue date
Apr 15, 1997
Ricoh Company, Ltd.
Kenji Karashima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing apparatus and method including grooved developer carryin...
Patent number
5,387,966
Issue date
Feb 7, 1995
Ricoh Company, Ltd.
Kenji Karashima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY