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Mayumi Oh-Hori
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Kawasaki, JP
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last 30 patents
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Patent Grant
Image forming apparatus and method for obtaining appropriate toner...
Patent number
6,055,388
Issue date
Apr 25, 2000
Ricoh Company, Ltd.
Shigeru Watanabe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Grant
Image forming method and apparatus for controlling amount of suppli...
Patent number
6,006,050
Issue date
Dec 21, 1999
Ricoh Company, Ltd.
Shigeru Watanabe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY