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Shin-ichi Kawahara
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Tokyo, JP
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last 30 patents
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Patent Grant
Toner sorting device for separating reusable toner from used toner...
Patent number
5,950,062
Issue date
Sep 7, 1999
Ricoh Co., Ltd.
Masasumi Yahata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Grant
Cleaning device for an image transfer belt device
Patent number
5,923,936
Issue date
Jul 13, 1999
Ricoh Company, Ltd.
Ryou Tanoue
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY