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Patents Grants
last 30 patents
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Patent Grant
Developing device and image forming apparatus and process cartridge...
Patent number
9,864,297
Issue date
Jan 9, 2018
Ricoh Company, Ltd.
Tatsuya Ohhira
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
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Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE...
Publication number
20170090342
Publication date
Mar 30, 2017
Tatsuya OHHIRA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY