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Toner and developer
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Patent number 8,703,376
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Issue date Apr 22, 2014
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Ricoh Company, Ltd.
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Saori Yamada
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Toner and developer
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Patent number 8,546,055
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Issue date Oct 1, 2013
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Ricoh Company, Ltd.
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Shinya Nakayama
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Carrier for two-component developer
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Patent number 8,481,239
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Issue date Jul 9, 2013
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Ricoh Company Limited
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Hisashi Nakajima
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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