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Toner
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Patent number 10,156,801
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Issue date Dec 18, 2018
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Ricoh Company, Ltd.
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Kohsuke Nagata
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Toner and developer
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Patent number 9,857,709
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Issue date Jan 2, 2018
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Ricoh Company, Ltd.
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Naohiro Watanabe
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Toner and image forming method
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Patent number 9,034,548
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Issue date May 19, 2015
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Ricoh Company, Ltd.
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Tatsuru Moritani
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Toner and developer
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Patent number 8,932,789
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Issue date Jan 13, 2015
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Ricoh Company, Ltd.
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Tsuyoshi Sugimoto
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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