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Chiyako Kobayashi
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Tokyo, JP
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last 30 patents
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Patent Grant
Image forming apparatus having a revolver type developing device
Patent number
5,671,465
Issue date
Sep 23, 1997
Ricoh Company, Ltd.
Noriyuki Kimura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device for image forming apparatus with toner recirculat...
Patent number
5,655,193
Issue date
Aug 5, 1997
Ricoh Company, Ltd.
Takatsugu Fujishiro
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Rotary developing device for an image forming apparatus
Patent number
5,565,973
Issue date
Oct 15, 1996
Ricoh Company, Ltd.
Takatsugu Fujishiro
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY