Assignee

OKUNO YUUSUKE

JP·4 granted patents·7 citations·filing 2009–2012

Technology mixG03G4

Top patents by PatentIndex Score

4 records

0186US8750764B2Developing device and image forming apparatusOKUNO YUUSUKE·Filed 2012·Granted Jun 10, 2014·5 cites·20 claims
0270US8874008B2Developing device and image forming apparatusOKUNO YUUSUKE·Filed 2011·Granted Oct 28, 2014·2 cites·10 claims
0341US8503904B2Developing device, imaging unit and image forming apparatusOKUNO YUUSUKE·Filed 2011·Granted Aug 6, 2013·0 cites·14 claims
0440US8406645B2Image forming apparatus and image forming method for adjusting developing biasOKUNO YUUSUKE·Filed 2009·Granted Mar 26, 2013·0 cites·8 claims

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