Hisashi Fuzisaki

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Kawasaki, JP

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Patents Grantslast 30 patents

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
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