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Ink set and image forming device
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Patent number 10,807,378
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Issue date Oct 20, 2020
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Ricoh Company, Ltd.
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Takashi Watanabe
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Liquid discharge apparatus
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Patent number 10,696,069
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Issue date Jun 30, 2020
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Ricoh Company, Ltd.
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Taku Hatakeyama
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Liquid discharge apparatus
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Patent number 10,654,292
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Issue date May 19, 2020
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Ricoh Company, Ltd.
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Taku Hatakeyama
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Ink set and image forming device
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Patent number 10,618,331
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Issue date Apr 14, 2020
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Ricoh Company, Ltd.
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Takashi Watanabe
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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