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Susumu Takeyama
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Tokyo, JP
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last 30 patents
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Patent Grant
Developing device and image forming apparatus that include a develo...
Patent number
8,346,134
Issue date
Jan 1, 2013
Ricoh Company, Ltd.
Masayoshi Nakayama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Grant
Developing device and image forming apparatus including inclined tr...
Patent number
8,045,893
Issue date
Oct 25, 2011
Ricoh Company, Ltd.
Masayoshi Nakayama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY