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Masako Suzuki
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Yokohama, JP
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last 30 patents
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Patent Grant
Developing unit for an image forming apparatus and method of collec...
Patent number
5,638,159
Issue date
Jun 10, 1997
Ricoh Company, Ltd.
Tsukuru Kai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
5,619,316
Issue date
Apr 8, 1997
Ricoh Company, Ltd.
Hisashi Shoji
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and cleaning device therefor
Patent number
5,606,408
Issue date
Feb 25, 1997
Ricoh Company, Ltd.
Hidetoshi Yano
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY