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Image forming apparatus
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Patent number 6,163,669
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Issue date Dec 19, 2000
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Ricoh Company, Ltd.
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Katsuhiro Aoki
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Color image forming apparatus
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Patent number 5,440,373
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Issue date Aug 8, 1995
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Ricoh Company, Ltd.
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Tsuyoshi Deki
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Developing apparatus
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Patent number 4,710,015
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Issue date Dec 1, 1987
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Ricoh Company, Ltd.
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Fuchio Takeda
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY