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Zhiyu Liu
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Pudong New Area, CN
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last 30 patents
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Patent Grant
Printer
Patent number
D714861
Issue date
Oct 7, 2014
Ricoh Company, Ltd.
Naoto Tsuruoka
D18 - Printing and office machinery
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Patent Grant
Printer
Patent number
D712960
Issue date
Sep 9, 2014
Ricoh Company, Ltd.
Naoto Tsuruoka
D18 - Printing and office machinery
Pudong New Area, CN
Ricoh Company, Ltd.
Naoto Tsuruoka
D18 - Printing and office machinery